// Copyright 2014 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.

#include <cinttypes>
#include <clocale>
#include <memory>
#include <thread>
#ifdef __APPLE__
#include <unistd.h> // for chdir
#endif

// VFS includes must be before glad as they will conflict with Windows file api, which uses defines.
#include "applets/error.h"
#include "applets/profile_select.h"
#include "applets/software_keyboard.h"
#include "applets/web_browser.h"
#include "configuration/configure_input.h"
#include "configuration/configure_per_general.h"
#include "core/file_sys/vfs.h"
#include "core/file_sys/vfs_real.h"
#include "core/frontend/applets/general_frontend.h"
#include "core/hle/service/acc/profile_manager.h"
#include "core/hle/service/am/applet_ae.h"
#include "core/hle/service/am/applet_oe.h"
#include "core/hle/service/am/applets/applets.h"
#include "core/hle/service/hid/controllers/npad.h"
#include "core/hle/service/hid/hid.h"

// These are wrappers to avoid the calls to CreateDirectory and CreateFile because of the Windows
// defines.
static FileSys::VirtualDir VfsFilesystemCreateDirectoryWrapper(
    const FileSys::VirtualFilesystem& vfs, const std::string& path, FileSys::Mode mode) {
    return vfs->CreateDirectory(path, mode);
}

static FileSys::VirtualFile VfsDirectoryCreateFileWrapper(const FileSys::VirtualDir& dir,
                                                          const std::string& path) {
    return dir->CreateFile(path);
}

#include <fmt/ostream.h>
#include <glad/glad.h>

#define QT_NO_OPENGL
#include <QClipboard>
#include <QDesktopServices>
#include <QDesktopWidget>
#include <QDialogButtonBox>
#include <QFile>
#include <QFileDialog>
#include <QInputDialog>
#include <QMessageBox>
#include <QProgressBar>
#include <QProgressDialog>
#include <QShortcut>
#include <QStatusBar>
#include <QSysInfo>
#include <QtConcurrent/QtConcurrent>

#include <fmt/format.h>
#include "common/common_paths.h"
#include "common/detached_tasks.h"
#include "common/file_util.h"
#include "common/logging/backend.h"
#include "common/logging/filter.h"
#include "common/logging/log.h"
#include "common/microprofile.h"
#include "common/scm_rev.h"
#include "common/scope_exit.h"
#ifdef ARCHITECTURE_x86_64
#include "common/x64/cpu_detect.h"
#endif
#include "common/telemetry.h"
#include "core/core.h"
#include "core/crypto/key_manager.h"
#include "core/file_sys/card_image.h"
#include "core/file_sys/content_archive.h"
#include "core/file_sys/control_metadata.h"
#include "core/file_sys/patch_manager.h"
#include "core/file_sys/registered_cache.h"
#include "core/file_sys/romfs.h"
#include "core/file_sys/savedata_factory.h"
#include "core/file_sys/submission_package.h"
#include "core/frontend/applets/software_keyboard.h"
#include "core/hle/kernel/process.h"
#include "core/hle/service/am/am.h"
#include "core/hle/service/filesystem/filesystem.h"
#include "core/hle/service/nfp/nfp.h"
#include "core/hle/service/sm/sm.h"
#include "core/loader/loader.h"
#include "core/perf_stats.h"
#include "core/settings.h"
#include "core/telemetry_session.h"
#include "yuzu/about_dialog.h"
#include "yuzu/bootmanager.h"
#include "yuzu/compatdb.h"
#include "yuzu/compatibility_list.h"
#include "yuzu/configuration/config.h"
#include "yuzu/configuration/configure_dialog.h"
#include "yuzu/debugger/console.h"
#include "yuzu/debugger/profiler.h"
#include "yuzu/debugger/wait_tree.h"
#include "yuzu/discord.h"
#include "yuzu/game_list.h"
#include "yuzu/game_list_p.h"
#include "yuzu/hotkeys.h"
#include "yuzu/loading_screen.h"
#include "yuzu/main.h"
#include "yuzu/uisettings.h"

#ifdef USE_DISCORD_PRESENCE
#include "yuzu/discord_impl.h"
#endif

#ifdef YUZU_USE_QT_WEB_ENGINE
#include <QWebEngineProfile>
#include <QWebEngineScript>
#include <QWebEngineScriptCollection>
#include <QWebEngineSettings>
#include <QWebEngineView>
#endif

#ifdef QT_STATICPLUGIN
Q_IMPORT_PLUGIN(QWindowsIntegrationPlugin);
#endif

#ifdef _WIN32
#include <windows.h>
extern "C" {
// tells Nvidia and AMD drivers to use the dedicated GPU by default on laptops with switchable
// graphics
__declspec(dllexport) unsigned long NvOptimusEnablement = 0x00000001;
__declspec(dllexport) int AmdPowerXpressRequestHighPerformance = 1;
}
#endif

constexpr u64 DLC_BASE_TITLE_ID_MASK = 0xFFFFFFFFFFFFE000;

/**
 * "Callouts" are one-time instructional messages shown to the user. In the config settings, there
 * is a bitfield "callout_flags" options, used to track if a message has already been shown to the
 * user. This is 32-bits - if we have more than 32 callouts, we should retire and recyle old ones.
 */
enum class CalloutFlag : uint32_t {
    Telemetry = 0x1,
    DRDDeprecation = 0x2,
};

void GMainWindow::ShowTelemetryCallout() {
    if (UISettings::values.callout_flags & static_cast<uint32_t>(CalloutFlag::Telemetry)) {
        return;
    }

    UISettings::values.callout_flags |= static_cast<uint32_t>(CalloutFlag::Telemetry);
    const QString telemetry_message =
        tr("<a href='https://yuzu-emu.org/help/feature/telemetry/'>Anonymous "
           "data is collected</a> to help improve yuzu. "
           "<br/><br/>Would you like to share your usage data with us?");
    if (QMessageBox::question(this, tr("Telemetry"), telemetry_message) != QMessageBox::Yes) {
        Settings::values.enable_telemetry = false;
        Settings::Apply();
    }
}

const int GMainWindow::max_recent_files_item;

static void InitializeLogging() {
    Log::Filter log_filter;
    log_filter.ParseFilterString(Settings::values.log_filter);
    Log::SetGlobalFilter(log_filter);

    const std::string& log_dir = FileUtil::GetUserPath(FileUtil::UserPath::LogDir);
    FileUtil::CreateFullPath(log_dir);
    Log::AddBackend(std::make_unique<Log::FileBackend>(log_dir + LOG_FILE));
#ifdef _WIN32
    Log::AddBackend(std::make_unique<Log::DebuggerBackend>());
#endif
}

GMainWindow::GMainWindow()
    : config(new Config()), emu_thread(nullptr),
      vfs(std::make_shared<FileSys::RealVfsFilesystem>()),
      provider(std::make_unique<FileSys::ManualContentProvider>()) {
    InitializeLogging();

    setAcceptDrops(true);
    ui.setupUi(this);
    statusBar()->hide();

    default_theme_paths = QIcon::themeSearchPaths();
    UpdateUITheme();

    SetDiscordEnabled(UISettings::values.enable_discord_presence);
    discord_rpc->Update();

    InitializeWidgets();
    InitializeDebugWidgets();
    InitializeRecentFileMenuActions();
    InitializeHotkeys();

    SetDefaultUIGeometry();
    RestoreUIState();

    ConnectMenuEvents();
    ConnectWidgetEvents();

    const auto build_id = std::string(Common::g_build_id);
    const auto fmt = std::string(Common::g_title_bar_format_idle);
    const auto yuzu_build_version =
        fmt::format(fmt.empty() ? "yuzu Development Build" : fmt, std::string{}, std::string{},
                    std::string{}, std::string{}, std::string{}, build_id);

    LOG_INFO(Frontend, "yuzu Version: {} | {}-{}", yuzu_build_version, Common::g_scm_branch,
             Common::g_scm_desc);
#ifdef ARCHITECTURE_x86_64
    LOG_INFO(Frontend, "Host CPU: {}", Common::GetCPUCaps().cpu_string);
#endif
    LOG_INFO(Frontend, "Host OS: {}", QSysInfo::prettyProductName().toStdString());
    UpdateWindowTitle();

    show();

    Core::System::GetInstance().SetContentProvider(
        std::make_unique<FileSys::ContentProviderUnion>());
    Core::System::GetInstance().RegisterContentProvider(
        FileSys::ContentProviderUnionSlot::FrontendManual, provider.get());
    Core::System::GetInstance().GetFileSystemController().CreateFactories(*vfs);

    // Gen keys if necessary
    OnReinitializeKeys(ReinitializeKeyBehavior::NoWarning);

    game_list->LoadCompatibilityList();
    game_list->PopulateAsync(UISettings::values.game_dirs);

    // Show one-time "callout" messages to the user
    ShowTelemetryCallout();

    QStringList args = QApplication::arguments();
    if (args.length() >= 2) {
        BootGame(args[1]);
    }
}

GMainWindow::~GMainWindow() {
    // will get automatically deleted otherwise
    if (render_window->parent() == nullptr)
        delete render_window;
}

void GMainWindow::ProfileSelectorSelectProfile() {
    QtProfileSelectionDialog dialog(this);
    dialog.setWindowFlags(Qt::Dialog | Qt::CustomizeWindowHint | Qt::WindowTitleHint |
                          Qt::WindowSystemMenuHint | Qt::WindowCloseButtonHint);
    dialog.setWindowModality(Qt::WindowModal);
    if (dialog.exec() == QDialog::Rejected) {
        emit ProfileSelectorFinishedSelection(std::nullopt);
        return;
    }

    Service::Account::ProfileManager manager;
    const auto uuid = manager.GetUser(static_cast<std::size_t>(dialog.GetIndex()));
    if (!uuid.has_value()) {
        emit ProfileSelectorFinishedSelection(std::nullopt);
        return;
    }

    emit ProfileSelectorFinishedSelection(uuid);
}

void GMainWindow::SoftwareKeyboardGetText(
    const Core::Frontend::SoftwareKeyboardParameters& parameters) {
    QtSoftwareKeyboardDialog dialog(this, parameters);
    dialog.setWindowFlags(Qt::Dialog | Qt::CustomizeWindowHint | Qt::WindowTitleHint |
                          Qt::WindowSystemMenuHint | Qt::WindowCloseButtonHint);
    dialog.setWindowModality(Qt::WindowModal);

    if (dialog.exec() == QDialog::Rejected) {
        emit SoftwareKeyboardFinishedText(std::nullopt);
        return;
    }

    emit SoftwareKeyboardFinishedText(dialog.GetText());
}

void GMainWindow::SoftwareKeyboardInvokeCheckDialog(std::u16string error_message) {
    QMessageBox::warning(this, tr("Text Check Failed"), QString::fromStdU16String(error_message));
    emit SoftwareKeyboardFinishedCheckDialog();
}

#ifdef YUZU_USE_QT_WEB_ENGINE

void GMainWindow::WebBrowserOpenPage(std::string_view filename, std::string_view additional_args) {
    NXInputWebEngineView web_browser_view(this);

    // Scope to contain the QProgressDialog for initialization
    {
        QProgressDialog progress(this);
        progress.setMinimumDuration(200);
        progress.setLabelText(tr("Loading Web Applet..."));
        progress.setRange(0, 4);
        progress.setValue(0);
        progress.show();

        auto future = QtConcurrent::run([this] { emit WebBrowserUnpackRomFS(); });

        while (!future.isFinished())
            QApplication::processEvents();

        progress.setValue(1);

        // Load the special shim script to handle input and exit.
        QWebEngineScript nx_shim;
        nx_shim.setSourceCode(GetNXShimInjectionScript());
        nx_shim.setWorldId(QWebEngineScript::MainWorld);
        nx_shim.setName(QStringLiteral("nx_inject.js"));
        nx_shim.setInjectionPoint(QWebEngineScript::DocumentCreation);
        nx_shim.setRunsOnSubFrames(true);
        web_browser_view.page()->profile()->scripts()->insert(nx_shim);

        web_browser_view.load(
            QUrl(QUrl::fromLocalFile(QString::fromStdString(std::string(filename))).toString() +
                 QString::fromStdString(std::string(additional_args))));

        progress.setValue(2);

        render_window->hide();
        web_browser_view.setFocus();

        const auto& layout = render_window->GetFramebufferLayout();
        web_browser_view.resize(layout.screen.GetWidth(), layout.screen.GetHeight());
        web_browser_view.move(layout.screen.left, layout.screen.top + menuBar()->height());
        web_browser_view.setZoomFactor(static_cast<qreal>(layout.screen.GetWidth()) /
                                       Layout::ScreenUndocked::Width);
        web_browser_view.settings()->setAttribute(
            QWebEngineSettings::LocalContentCanAccessRemoteUrls, true);

        web_browser_view.show();

        progress.setValue(3);

        QApplication::processEvents();

        progress.setValue(4);
    }

    bool finished = false;
    QAction* exit_action = new QAction(tr("Exit Web Applet"), this);
    connect(exit_action, &QAction::triggered, this, [&finished] { finished = true; });
    ui.menubar->addAction(exit_action);

    auto& npad =
        Core::System::GetInstance()
            .ServiceManager()
            .GetService<Service::HID::Hid>("hid")
            ->GetAppletResource()
            ->GetController<Service::HID::Controller_NPad>(Service::HID::HidController::NPad);

    const auto fire_js_keypress = [&web_browser_view](u32 key_code) {
        web_browser_view.page()->runJavaScript(
            QStringLiteral("document.dispatchEvent(new KeyboardEvent('keydown', {'key': %1}));")
                .arg(key_code));
    };

    QMessageBox::information(
        this, tr("Exit"),
        tr("To exit the web application, use the game provided controls to select exit, select the "
           "'Exit Web Applet' option in the menu bar, or press the 'Enter' key."));

    bool running_exit_check = false;
    while (!finished) {
        QApplication::processEvents();

        if (!running_exit_check) {
            web_browser_view.page()->runJavaScript(QStringLiteral("applet_done;"),
                                                   [&](const QVariant& res) {
                                                       running_exit_check = false;
                                                       if (res.toBool())
                                                           finished = true;
                                                   });
            running_exit_check = true;
        }

        const auto input = npad.GetAndResetPressState();
        for (std::size_t i = 0; i < Settings::NativeButton::NumButtons; ++i) {
            if ((input & (1 << i)) != 0) {
                LOG_DEBUG(Frontend, "firing input for button id={:02X}", i);
                web_browser_view.page()->runJavaScript(
                    QStringLiteral("yuzu_key_callbacks[%1]();").arg(i));
            }
        }

        if (input & 0x00888000)      // RStick Down | LStick Down | DPad Down
            fire_js_keypress(40);    // Down Arrow Key
        else if (input & 0x00444000) // RStick Right | LStick Right | DPad Right
            fire_js_keypress(39);    // Right Arrow Key
        else if (input & 0x00222000) // RStick Up | LStick Up | DPad Up
            fire_js_keypress(38);    // Up Arrow Key
        else if (input & 0x00111000) // RStick Left | LStick Left | DPad Left
            fire_js_keypress(37);    // Left Arrow Key
        else if (input & 0x00000001) // A Button
            fire_js_keypress(13);    // Enter Key
    }

    web_browser_view.hide();
    render_window->show();
    render_window->setFocus();
    ui.menubar->removeAction(exit_action);

    // Needed to update render window focus/show and remove menubar action
    QApplication::processEvents();
    emit WebBrowserFinishedBrowsing();
}

#else

void GMainWindow::WebBrowserOpenPage(std::string_view filename, std::string_view additional_args) {
    QMessageBox::warning(
        this, tr("Web Applet"),
        tr("This version of yuzu was built without QtWebEngine support, meaning that yuzu cannot "
           "properly display the game manual or web page requested."),
        QMessageBox::Ok, QMessageBox::Ok);

    LOG_INFO(Frontend,
             "(STUBBED) called - Missing QtWebEngine dependency needed to open website page at "
             "'{}' with arguments '{}'!",
             filename, additional_args);

    emit WebBrowserFinishedBrowsing();
}

#endif

void GMainWindow::InitializeWidgets() {
#ifdef YUZU_ENABLE_COMPATIBILITY_REPORTING
    ui.action_Report_Compatibility->setVisible(true);
#endif
    render_window = new GRenderWindow(this, emu_thread.get());
    render_window->hide();

    game_list = new GameList(vfs, provider.get(), this);
    ui.horizontalLayout->addWidget(game_list);

    game_list_placeholder = new GameListPlaceholder(this);
    ui.horizontalLayout->addWidget(game_list_placeholder);
    game_list_placeholder->setVisible(false);

    loading_screen = new LoadingScreen(this);
    loading_screen->hide();
    ui.horizontalLayout->addWidget(loading_screen);
    connect(loading_screen, &LoadingScreen::Hidden, [&] {
        loading_screen->Clear();
        if (emulation_running) {
            render_window->show();
            render_window->setFocus();
        }
    });

    // Create status bar
    message_label = new QLabel();
    // Configured separately for left alignment
    message_label->setFrameStyle(QFrame::NoFrame);
    message_label->setContentsMargins(4, 0, 4, 0);
    message_label->setAlignment(Qt::AlignLeft);
    statusBar()->addPermanentWidget(message_label, 1);

    emu_speed_label = new QLabel();
    emu_speed_label->setToolTip(
        tr("Current emulation speed. Values higher or lower than 100% "
           "indicate emulation is running faster or slower than a Switch."));
    game_fps_label = new QLabel();
    game_fps_label->setToolTip(tr("How many frames per second the game is currently displaying. "
                                  "This will vary from game to game and scene to scene."));
    emu_frametime_label = new QLabel();
    emu_frametime_label->setToolTip(
        tr("Time taken to emulate a Switch frame, not counting framelimiting or v-sync. For "
           "full-speed emulation this should be at most 16.67 ms."));

    for (auto& label : {emu_speed_label, game_fps_label, emu_frametime_label}) {
        label->setVisible(false);
        label->setFrameStyle(QFrame::NoFrame);
        label->setContentsMargins(4, 0, 4, 0);
        statusBar()->addPermanentWidget(label);
    }

    // Setup Dock button
    dock_status_button = new QPushButton();
    dock_status_button->setObjectName(QStringLiteral("TogglableStatusBarButton"));
    dock_status_button->setFocusPolicy(Qt::NoFocus);
    connect(dock_status_button, &QPushButton::clicked, [&] {
        Settings::values.use_docked_mode = !Settings::values.use_docked_mode;
        dock_status_button->setChecked(Settings::values.use_docked_mode);
        OnDockedModeChanged(!Settings::values.use_docked_mode, Settings::values.use_docked_mode);
    });
    dock_status_button->setText(tr("DOCK"));
    dock_status_button->setCheckable(true);
    dock_status_button->setChecked(Settings::values.use_docked_mode);
    statusBar()->insertPermanentWidget(0, dock_status_button);

    // Setup ASync button
    async_status_button = new QPushButton();
    async_status_button->setObjectName(QStringLiteral("TogglableStatusBarButton"));
    async_status_button->setFocusPolicy(Qt::NoFocus);
    connect(async_status_button, &QPushButton::clicked, [&] {
        if (emulation_running) {
            return;
        }
        Settings::values.use_asynchronous_gpu_emulation =
            !Settings::values.use_asynchronous_gpu_emulation;
        async_status_button->setChecked(Settings::values.use_asynchronous_gpu_emulation);
        Settings::Apply();
    });
    async_status_button->setText(tr("ASYNC"));
    async_status_button->setCheckable(true);
    async_status_button->setChecked(Settings::values.use_asynchronous_gpu_emulation);
    statusBar()->insertPermanentWidget(0, async_status_button);

    // Setup Renderer API button
    renderer_status_button = new QPushButton();
    renderer_status_button->setObjectName(QStringLiteral("RendererStatusBarButton"));
    renderer_status_button->setCheckable(true);
    renderer_status_button->setFocusPolicy(Qt::NoFocus);
    connect(renderer_status_button, &QPushButton::toggled, [=](bool checked) {
        renderer_status_button->setText(checked ? tr("VULKAN") : tr("OPENGL"));
    });
    renderer_status_button->toggle();

#ifndef HAS_VULKAN
    renderer_status_button->setChecked(false);
    renderer_status_button->setCheckable(false);
    renderer_status_button->setDisabled(true);
#else
    renderer_status_button->setChecked(Settings::values.renderer_backend ==
                                       Settings::RendererBackend::Vulkan);
    connect(renderer_status_button, &QPushButton::clicked, [=] {
        if (emulation_running) {
            return;
        }
        if (renderer_status_button->isChecked()) {
            Settings::values.renderer_backend = Settings::RendererBackend::Vulkan;
        } else {
            Settings::values.renderer_backend = Settings::RendererBackend::OpenGL;
        }

        Settings::Apply();
    });
#endif // HAS_VULKAN
    statusBar()->insertPermanentWidget(0, renderer_status_button);

    statusBar()->setVisible(true);
    setStyleSheet(QStringLiteral("QStatusBar::item{border: none;}"));
}

void GMainWindow::InitializeDebugWidgets() {
    QMenu* debug_menu = ui.menu_View_Debugging;

#if MICROPROFILE_ENABLED
    microProfileDialog = new MicroProfileDialog(this);
    microProfileDialog->hide();
    debug_menu->addAction(microProfileDialog->toggleViewAction());
#endif

    waitTreeWidget = new WaitTreeWidget(this);
    addDockWidget(Qt::LeftDockWidgetArea, waitTreeWidget);
    waitTreeWidget->hide();
    debug_menu->addAction(waitTreeWidget->toggleViewAction());
    connect(this, &GMainWindow::EmulationStarting, waitTreeWidget,
            &WaitTreeWidget::OnEmulationStarting);
    connect(this, &GMainWindow::EmulationStopping, waitTreeWidget,
            &WaitTreeWidget::OnEmulationStopping);
}

void GMainWindow::InitializeRecentFileMenuActions() {
    for (int i = 0; i < max_recent_files_item; ++i) {
        actions_recent_files[i] = new QAction(this);
        actions_recent_files[i]->setVisible(false);
        connect(actions_recent_files[i], &QAction::triggered, this, &GMainWindow::OnMenuRecentFile);

        ui.menu_recent_files->addAction(actions_recent_files[i]);
    }
    ui.menu_recent_files->addSeparator();
    QAction* action_clear_recent_files = new QAction(this);
    action_clear_recent_files->setText(tr("Clear Recent Files"));
    connect(action_clear_recent_files, &QAction::triggered, this, [this] {
        UISettings::values.recent_files.clear();
        UpdateRecentFiles();
    });
    ui.menu_recent_files->addAction(action_clear_recent_files);

    UpdateRecentFiles();
}

void GMainWindow::InitializeHotkeys() {
    hotkey_registry.LoadHotkeys();

    const QString main_window = QStringLiteral("Main Window");
    const QString load_file = QStringLiteral("Load File");
    const QString load_amiibo = QStringLiteral("Load Amiibo");
    const QString exit_yuzu = QStringLiteral("Exit yuzu");
    const QString restart_emulation = QStringLiteral("Restart Emulation");
    const QString stop_emulation = QStringLiteral("Stop Emulation");
    const QString toggle_filter_bar = QStringLiteral("Toggle Filter Bar");
    const QString toggle_status_bar = QStringLiteral("Toggle Status Bar");
    const QString fullscreen = QStringLiteral("Fullscreen");
    const QString capture_screenshot = QStringLiteral("Capture Screenshot");

    ui.action_Load_File->setShortcut(hotkey_registry.GetKeySequence(main_window, load_file));
    ui.action_Load_File->setShortcutContext(
        hotkey_registry.GetShortcutContext(main_window, load_file));

    ui.action_Load_Amiibo->setShortcut(hotkey_registry.GetKeySequence(main_window, load_amiibo));
    ui.action_Load_Amiibo->setShortcutContext(
        hotkey_registry.GetShortcutContext(main_window, load_amiibo));

    ui.action_Exit->setShortcut(hotkey_registry.GetKeySequence(main_window, exit_yuzu));
    ui.action_Exit->setShortcutContext(hotkey_registry.GetShortcutContext(main_window, exit_yuzu));

    ui.action_Restart->setShortcut(hotkey_registry.GetKeySequence(main_window, restart_emulation));
    ui.action_Restart->setShortcutContext(
        hotkey_registry.GetShortcutContext(main_window, restart_emulation));

    ui.action_Stop->setShortcut(hotkey_registry.GetKeySequence(main_window, stop_emulation));
    ui.action_Stop->setShortcutContext(
        hotkey_registry.GetShortcutContext(main_window, stop_emulation));

    ui.action_Show_Filter_Bar->setShortcut(
        hotkey_registry.GetKeySequence(main_window, toggle_filter_bar));
    ui.action_Show_Filter_Bar->setShortcutContext(
        hotkey_registry.GetShortcutContext(main_window, toggle_filter_bar));

    ui.action_Show_Status_Bar->setShortcut(
        hotkey_registry.GetKeySequence(main_window, toggle_status_bar));
    ui.action_Show_Status_Bar->setShortcutContext(
        hotkey_registry.GetShortcutContext(main_window, toggle_status_bar));

    ui.action_Capture_Screenshot->setShortcut(
        hotkey_registry.GetKeySequence(main_window, capture_screenshot));
    ui.action_Capture_Screenshot->setShortcutContext(
        hotkey_registry.GetShortcutContext(main_window, capture_screenshot));

    connect(hotkey_registry.GetHotkey(main_window, QStringLiteral("Load File"), this),
            &QShortcut::activated, this, &GMainWindow::OnMenuLoadFile);
    connect(
        hotkey_registry.GetHotkey(main_window, QStringLiteral("Continue/Pause Emulation"), this),
        &QShortcut::activated, this, [&] {
            if (emulation_running) {
                if (emu_thread->IsRunning()) {
                    OnPauseGame();
                } else {
                    OnStartGame();
                }
            }
        });
    connect(hotkey_registry.GetHotkey(main_window, QStringLiteral("Restart Emulation"), this),
            &QShortcut::activated, this, [this] {
                if (!Core::System::GetInstance().IsPoweredOn()) {
                    return;
                }
                BootGame(game_path);
            });
    connect(hotkey_registry.GetHotkey(main_window, fullscreen, render_window),
            &QShortcut::activated, ui.action_Fullscreen, &QAction::trigger);
    connect(hotkey_registry.GetHotkey(main_window, fullscreen, render_window),
            &QShortcut::activatedAmbiguously, ui.action_Fullscreen, &QAction::trigger);
    connect(hotkey_registry.GetHotkey(main_window, QStringLiteral("Exit Fullscreen"), this),
            &QShortcut::activated, this, [&] {
                if (emulation_running) {
                    ui.action_Fullscreen->setChecked(false);
                    ToggleFullscreen();
                }
            });
    connect(hotkey_registry.GetHotkey(main_window, QStringLiteral("Toggle Speed Limit"), this),
            &QShortcut::activated, this, [&] {
                Settings::values.use_frame_limit = !Settings::values.use_frame_limit;
                UpdateStatusBar();
            });
    // TODO: Remove this comment/static whenever the next major release of
    // MSVC occurs and we make it a requirement (see:
    // https://developercommunity.visualstudio.com/content/problem/93922/constexprs-are-trying-to-be-captured-in-lambda-fun.html)
    static constexpr u16 SPEED_LIMIT_STEP = 5;
    connect(hotkey_registry.GetHotkey(main_window, QStringLiteral("Increase Speed Limit"), this),
            &QShortcut::activated, this, [&] {
                if (Settings::values.frame_limit < 9999 - SPEED_LIMIT_STEP) {
                    Settings::values.frame_limit += SPEED_LIMIT_STEP;
                    UpdateStatusBar();
                }
            });
    connect(hotkey_registry.GetHotkey(main_window, QStringLiteral("Decrease Speed Limit"), this),
            &QShortcut::activated, this, [&] {
                if (Settings::values.frame_limit > SPEED_LIMIT_STEP) {
                    Settings::values.frame_limit -= SPEED_LIMIT_STEP;
                    UpdateStatusBar();
                }
            });
    connect(hotkey_registry.GetHotkey(main_window, QStringLiteral("Load Amiibo"), this),
            &QShortcut::activated, this, [&] {
                if (ui.action_Load_Amiibo->isEnabled()) {
                    OnLoadAmiibo();
                }
            });
    connect(hotkey_registry.GetHotkey(main_window, QStringLiteral("Capture Screenshot"), this),
            &QShortcut::activated, this, [&] {
                if (emu_thread->IsRunning()) {
                    OnCaptureScreenshot();
                }
            });
    connect(hotkey_registry.GetHotkey(main_window, QStringLiteral("Change Docked Mode"), this),
            &QShortcut::activated, this, [&] {
                Settings::values.use_docked_mode = !Settings::values.use_docked_mode;
                OnDockedModeChanged(!Settings::values.use_docked_mode,
                                    Settings::values.use_docked_mode);
                dock_status_button->setChecked(Settings::values.use_docked_mode);
            });
}

void GMainWindow::SetDefaultUIGeometry() {
    // geometry: 55% of the window contents are in the upper screen half, 45% in the lower half
    const QRect screenRect = QApplication::desktop()->screenGeometry(this);

    const int w = screenRect.width() * 2 / 3;
    const int h = screenRect.height() / 2;
    const int x = (screenRect.x() + screenRect.width()) / 2 - w / 2;
    const int y = (screenRect.y() + screenRect.height()) / 2 - h * 55 / 100;

    setGeometry(x, y, w, h);
}

void GMainWindow::RestoreUIState() {
    restoreGeometry(UISettings::values.geometry);
    restoreState(UISettings::values.state);
    render_window->restoreGeometry(UISettings::values.renderwindow_geometry);
#if MICROPROFILE_ENABLED
    microProfileDialog->restoreGeometry(UISettings::values.microprofile_geometry);
    microProfileDialog->setVisible(UISettings::values.microprofile_visible);
#endif

    game_list->LoadInterfaceLayout();

    ui.action_Single_Window_Mode->setChecked(UISettings::values.single_window_mode);
    ToggleWindowMode();

    ui.action_Fullscreen->setChecked(UISettings::values.fullscreen);

    ui.action_Display_Dock_Widget_Headers->setChecked(UISettings::values.display_titlebar);
    OnDisplayTitleBars(ui.action_Display_Dock_Widget_Headers->isChecked());

    ui.action_Show_Filter_Bar->setChecked(UISettings::values.show_filter_bar);
    game_list->setFilterVisible(ui.action_Show_Filter_Bar->isChecked());

    ui.action_Show_Status_Bar->setChecked(UISettings::values.show_status_bar);
    statusBar()->setVisible(ui.action_Show_Status_Bar->isChecked());
    Debugger::ToggleConsole();
}

void GMainWindow::OnAppFocusStateChanged(Qt::ApplicationState state) {
    if (!UISettings::values.pause_when_in_background) {
        return;
    }
    if (state != Qt::ApplicationHidden && state != Qt::ApplicationInactive &&
        state != Qt::ApplicationActive) {
        LOG_DEBUG(Frontend, "ApplicationState unusual flag: {} ", state);
    }
    if (ui.action_Pause->isEnabled() &&
        (state & (Qt::ApplicationHidden | Qt::ApplicationInactive))) {
        auto_paused = true;
        OnPauseGame();
    } else if (ui.action_Start->isEnabled() && auto_paused && state == Qt::ApplicationActive) {
        auto_paused = false;
        OnStartGame();
    }
}

void GMainWindow::ConnectWidgetEvents() {
    connect(game_list, &GameList::GameChosen, this, &GMainWindow::OnGameListLoadFile);
    connect(game_list, &GameList::OpenDirectory, this, &GMainWindow::OnGameListOpenDirectory);
    connect(game_list, &GameList::OpenFolderRequested, this, &GMainWindow::OnGameListOpenFolder);
    connect(game_list, &GameList::OpenTransferableShaderCacheRequested, this,
            &GMainWindow::OnTransferableShaderCacheOpenFile);
    connect(game_list, &GameList::DumpRomFSRequested, this, &GMainWindow::OnGameListDumpRomFS);
    connect(game_list, &GameList::CopyTIDRequested, this, &GMainWindow::OnGameListCopyTID);
    connect(game_list, &GameList::NavigateToGamedbEntryRequested, this,
            &GMainWindow::OnGameListNavigateToGamedbEntry);
    connect(game_list, &GameList::AddDirectory, this, &GMainWindow::OnGameListAddDirectory);
    connect(game_list_placeholder, &GameListPlaceholder::AddDirectory, this,
            &GMainWindow::OnGameListAddDirectory);
    connect(game_list, &GameList::ShowList, this, &GMainWindow::OnGameListShowList);

    connect(game_list, &GameList::OpenPerGameGeneralRequested, this,
            &GMainWindow::OnGameListOpenPerGameProperties);

    connect(this, &GMainWindow::EmulationStarting, render_window,
            &GRenderWindow::OnEmulationStarting);
    connect(this, &GMainWindow::EmulationStopping, render_window,
            &GRenderWindow::OnEmulationStopping);

    connect(&status_bar_update_timer, &QTimer::timeout, this, &GMainWindow::UpdateStatusBar);
}

void GMainWindow::ConnectMenuEvents() {
    // File
    connect(ui.action_Load_File, &QAction::triggered, this, &GMainWindow::OnMenuLoadFile);
    connect(ui.action_Load_Folder, &QAction::triggered, this, &GMainWindow::OnMenuLoadFolder);
    connect(ui.action_Install_File_NAND, &QAction::triggered, this,
            &GMainWindow::OnMenuInstallToNAND);
    connect(ui.action_Exit, &QAction::triggered, this, &QMainWindow::close);
    connect(ui.action_Load_Amiibo, &QAction::triggered, this, &GMainWindow::OnLoadAmiibo);

    // Emulation
    connect(ui.action_Start, &QAction::triggered, this, &GMainWindow::OnStartGame);
    connect(ui.action_Pause, &QAction::triggered, this, &GMainWindow::OnPauseGame);
    connect(ui.action_Stop, &QAction::triggered, this, &GMainWindow::OnStopGame);
    connect(ui.action_Report_Compatibility, &QAction::triggered, this,
            &GMainWindow::OnMenuReportCompatibility);
    connect(ui.action_Restart, &QAction::triggered, this, [this] { BootGame(QString(game_path)); });
    connect(ui.action_Configure, &QAction::triggered, this, &GMainWindow::OnConfigure);

    // View
    connect(ui.action_Single_Window_Mode, &QAction::triggered, this,
            &GMainWindow::ToggleWindowMode);
    connect(ui.action_Display_Dock_Widget_Headers, &QAction::triggered, this,
            &GMainWindow::OnDisplayTitleBars);
    connect(ui.action_Show_Filter_Bar, &QAction::triggered, this, &GMainWindow::OnToggleFilterBar);
    connect(ui.action_Show_Status_Bar, &QAction::triggered, statusBar(), &QStatusBar::setVisible);

    // Fullscreen
    ui.action_Fullscreen->setShortcut(
        hotkey_registry
            .GetHotkey(QStringLiteral("Main Window"), QStringLiteral("Fullscreen"), this)
            ->key());
    connect(ui.action_Fullscreen, &QAction::triggered, this, &GMainWindow::ToggleFullscreen);

    // Movie
    connect(ui.action_Capture_Screenshot, &QAction::triggered, this,
            &GMainWindow::OnCaptureScreenshot);

    // Help
    connect(ui.action_Open_yuzu_Folder, &QAction::triggered, this, &GMainWindow::OnOpenYuzuFolder);
    connect(ui.action_Rederive, &QAction::triggered, this,
            std::bind(&GMainWindow::OnReinitializeKeys, this, ReinitializeKeyBehavior::Warning));
    connect(ui.action_About, &QAction::triggered, this, &GMainWindow::OnAbout);
}

void GMainWindow::OnDisplayTitleBars(bool show) {
    QList<QDockWidget*> widgets = findChildren<QDockWidget*>();

    if (show) {
        for (QDockWidget* widget : widgets) {
            QWidget* old = widget->titleBarWidget();
            widget->setTitleBarWidget(nullptr);
            if (old != nullptr)
                delete old;
        }
    } else {
        for (QDockWidget* widget : widgets) {
            QWidget* old = widget->titleBarWidget();
            widget->setTitleBarWidget(new QWidget());
            if (old != nullptr)
                delete old;
        }
    }
}

void GMainWindow::PreventOSSleep() {
#ifdef _WIN32
    SetThreadExecutionState(ES_CONTINUOUS | ES_SYSTEM_REQUIRED | ES_DISPLAY_REQUIRED);
#endif
}

void GMainWindow::AllowOSSleep() {
#ifdef _WIN32
    SetThreadExecutionState(ES_CONTINUOUS);
#endif
}

bool GMainWindow::LoadROM(const QString& filename) {
    // Shutdown previous session if the emu thread is still active...
    if (emu_thread != nullptr)
        ShutdownGame();

    if (!render_window->InitRenderTarget()) {
        return false;
    }

    Core::System& system{Core::System::GetInstance()};
    system.SetFilesystem(vfs);

    system.SetAppletFrontendSet({
        nullptr,                                     // Parental Controls
        std::make_unique<QtErrorDisplay>(*this),     //
        nullptr,                                     // Photo Viewer
        std::make_unique<QtProfileSelector>(*this),  //
        std::make_unique<QtSoftwareKeyboard>(*this), //
        std::make_unique<QtWebBrowser>(*this),       //
        nullptr,                                     // E-Commerce
    });

    const Core::System::ResultStatus result{system.Load(*render_window, filename.toStdString())};

    const auto drd_callout =
        (UISettings::values.callout_flags & static_cast<u32>(CalloutFlag::DRDDeprecation)) == 0;

    if (result == Core::System::ResultStatus::Success &&
        system.GetAppLoader().GetFileType() == Loader::FileType::DeconstructedRomDirectory &&
        drd_callout) {
        UISettings::values.callout_flags |= static_cast<u32>(CalloutFlag::DRDDeprecation);
        QMessageBox::warning(
            this, tr("Warning Outdated Game Format"),
            tr("You are using the deconstructed ROM directory format for this game, which is an "
               "outdated format that has been superseded by others such as NCA, NAX, XCI, or "
               "NSP. Deconstructed ROM directories lack icons, metadata, and update "
               "support.<br><br>For an explanation of the various Switch formats yuzu supports, <a "
               "href='https://yuzu-emu.org/wiki/overview-of-switch-game-formats'>check out our "
               "wiki</a>. This message will not be shown again."));
    }

    if (result != Core::System::ResultStatus::Success) {
        switch (result) {
        case Core::System::ResultStatus::ErrorGetLoader:
            LOG_CRITICAL(Frontend, "Failed to obtain loader for {}!", filename.toStdString());
            QMessageBox::critical(this, tr("Error while loading ROM!"),
                                  tr("The ROM format is not supported."));
            break;
        case Core::System::ResultStatus::ErrorVideoCore:
            QMessageBox::critical(
                this, tr("An error occurred initializing the video core."),
                tr("yuzu has encountered an error while running the video core, please see the "
                   "log for more details."
                   "For more information on accessing the log, please see the following page: "
                   "<a href='https://community.citra-emu.org/t/how-to-upload-the-log-file/296'>How "
                   "to "
                   "Upload the Log File</a>."
                   "Ensure that you have the latest graphics drivers for your GPU."));

            break;

        default:
            if (static_cast<u32>(result) >
                static_cast<u32>(Core::System::ResultStatus::ErrorLoader)) {
                const u16 loader_id = static_cast<u16>(Core::System::ResultStatus::ErrorLoader);
                const u16 error_id = static_cast<u16>(result) - loader_id;
                const std::string error_code = fmt::format("({:04X}-{:04X})", loader_id, error_id);
                LOG_CRITICAL(Frontend, "Failed to load ROM! {}", error_code);
                QMessageBox::critical(
                    this,
                    tr("Error while loading ROM! ").append(QString::fromStdString(error_code)),
                    QString::fromStdString(fmt::format(
                        "{}<br>Please follow <a href='https://yuzu-emu.org/help/quickstart/'>the "
                        "yuzu quickstart guide</a> to redump your files.<br>You can refer "
                        "to the yuzu wiki</a> or the yuzu Discord</a> for help.",
                        static_cast<Loader::ResultStatus>(error_id))));
            } else {
                QMessageBox::critical(
                    this, tr("Error while loading ROM!"),
                    tr("An unknown error occurred. Please see the log for more details."));
            }
            break;
        }
        return false;
    }
    game_path = filename;

    system.TelemetrySession().AddField(Telemetry::FieldType::App, "Frontend", "Qt");
    return true;
}

void GMainWindow::SelectAndSetCurrentUser() {
    QtProfileSelectionDialog dialog(this);
    dialog.setWindowFlags(Qt::Dialog | Qt::CustomizeWindowHint | Qt::WindowTitleHint |
                          Qt::WindowSystemMenuHint | Qt::WindowCloseButtonHint);
    dialog.setWindowModality(Qt::WindowModal);

    if (dialog.exec() == QDialog::Rejected) {
        return;
    }

    Settings::values.current_user = dialog.GetIndex();
}

void GMainWindow::BootGame(const QString& filename) {
    LOG_INFO(Frontend, "yuzu starting...");
    StoreRecentFile(filename); // Put the filename on top of the list

    if (UISettings::values.select_user_on_boot) {
        SelectAndSetCurrentUser();
    }

    if (!LoadROM(filename))
        return;

    // Create and start the emulation thread
    emu_thread = std::make_unique<EmuThread>();
    emit EmulationStarting(emu_thread.get());
    emu_thread->start();

    connect(render_window, &GRenderWindow::Closed, this, &GMainWindow::OnStopGame);
    // BlockingQueuedConnection is important here, it makes sure we've finished refreshing our views
    // before the CPU continues
    connect(emu_thread.get(), &EmuThread::DebugModeEntered, waitTreeWidget,
            &WaitTreeWidget::OnDebugModeEntered, Qt::BlockingQueuedConnection);
    connect(emu_thread.get(), &EmuThread::DebugModeLeft, waitTreeWidget,
            &WaitTreeWidget::OnDebugModeLeft, Qt::BlockingQueuedConnection);

    connect(emu_thread.get(), &EmuThread::LoadProgress, loading_screen,
            &LoadingScreen::OnLoadProgress, Qt::QueuedConnection);

    // Update the GUI
    if (ui.action_Single_Window_Mode->isChecked()) {
        game_list->hide();
        game_list_placeholder->hide();
    }
    status_bar_update_timer.start(2000);
    async_status_button->setDisabled(true);
    renderer_status_button->setDisabled(true);

    const u64 title_id = Core::System::GetInstance().CurrentProcess()->GetTitleID();

    std::string title_name;
    const auto res = Core::System::GetInstance().GetGameName(title_name);
    if (res != Loader::ResultStatus::Success) {
        const auto metadata = FileSys::PatchManager(title_id).GetControlMetadata();
        if (metadata.first != nullptr)
            title_name = metadata.first->GetApplicationName();

        if (title_name.empty())
            title_name = FileUtil::GetFilename(filename.toStdString());
    }
    LOG_INFO(Frontend, "Booting game: {:016X} | {}", title_id, title_name);
    UpdateWindowTitle(QString::fromStdString(title_name));

    loading_screen->Prepare(Core::System::GetInstance().GetAppLoader());
    loading_screen->show();

    emulation_running = true;
    if (ui.action_Fullscreen->isChecked()) {
        ShowFullscreen();
    }
    OnStartGame();
}

void GMainWindow::ShutdownGame() {
    if (!emulation_running) {
        return;
    }

    if (ui.action_Fullscreen->isChecked()) {
        HideFullscreen();
    }

    AllowOSSleep();

    discord_rpc->Pause();
    emu_thread->RequestStop();

    emit EmulationStopping();

    // Wait for emulation thread to complete and delete it
    emu_thread->wait();
    emu_thread = nullptr;

    discord_rpc->Update();

    // The emulation is stopped, so closing the window or not does not matter anymore
    disconnect(render_window, &GRenderWindow::Closed, this, &GMainWindow::OnStopGame);

    // Update the GUI
    ui.action_Start->setEnabled(false);
    ui.action_Start->setText(tr("Start"));
    ui.action_Pause->setEnabled(false);
    ui.action_Stop->setEnabled(false);
    ui.action_Restart->setEnabled(false);
    ui.action_Report_Compatibility->setEnabled(false);
    ui.action_Load_Amiibo->setEnabled(false);
    ui.action_Capture_Screenshot->setEnabled(false);
    render_window->hide();
    loading_screen->hide();
    loading_screen->Clear();
    if (game_list->isEmpty())
        game_list_placeholder->show();
    else
        game_list->show();
    game_list->setFilterFocus();

    UpdateWindowTitle();

    // Disable status bar updates
    status_bar_update_timer.stop();
    emu_speed_label->setVisible(false);
    game_fps_label->setVisible(false);
    emu_frametime_label->setVisible(false);
    async_status_button->setEnabled(true);
#ifdef HAS_VULKAN
    renderer_status_button->setEnabled(true);
#endif

    emulation_running = false;

    game_path.clear();

    // When closing the game, destroy the GLWindow to clear the context after the game is closed
    render_window->ReleaseRenderTarget();
}

void GMainWindow::StoreRecentFile(const QString& filename) {
    UISettings::values.recent_files.prepend(filename);
    UISettings::values.recent_files.removeDuplicates();
    while (UISettings::values.recent_files.size() > max_recent_files_item) {
        UISettings::values.recent_files.removeLast();
    }

    UpdateRecentFiles();
}

void GMainWindow::UpdateRecentFiles() {
    const int num_recent_files =
        std::min(UISettings::values.recent_files.size(), max_recent_files_item);

    for (int i = 0; i < num_recent_files; i++) {
        const QString text = QStringLiteral("&%1. %2").arg(i + 1).arg(
            QFileInfo(UISettings::values.recent_files[i]).fileName());
        actions_recent_files[i]->setText(text);
        actions_recent_files[i]->setData(UISettings::values.recent_files[i]);
        actions_recent_files[i]->setToolTip(UISettings::values.recent_files[i]);
        actions_recent_files[i]->setVisible(true);
    }

    for (int j = num_recent_files; j < max_recent_files_item; ++j) {
        actions_recent_files[j]->setVisible(false);
    }

    // Enable the recent files menu if the list isn't empty
    ui.menu_recent_files->setEnabled(num_recent_files != 0);
}

void GMainWindow::OnGameListLoadFile(QString game_path) {
    BootGame(game_path);
}

void GMainWindow::OnGameListOpenFolder(GameListOpenTarget target, const std::string& game_path) {
    std::string path;
    QString open_target;

    const auto v_file = Core::GetGameFileFromPath(vfs, game_path);
    const auto loader = Loader::GetLoader(v_file);
    FileSys::NACP control{};
    u64 program_id{};

    loader->ReadControlData(control);
    loader->ReadProgramId(program_id);

    const bool has_user_save{control.GetDefaultNormalSaveSize() > 0};
    const bool has_device_save{control.GetDeviceSaveDataSize() > 0};

    ASSERT_MSG(has_user_save != has_device_save, "Game uses both user and device savedata?");

    switch (target) {
    case GameListOpenTarget::SaveData: {
        open_target = tr("Save Data");
        const std::string nand_dir = FileUtil::GetUserPath(FileUtil::UserPath::NANDDir);
        ASSERT(program_id != 0);

        if (has_user_save) {
            // User save data
            const auto select_profile = [this] {
                QtProfileSelectionDialog dialog(this);
                dialog.setWindowFlags(Qt::Dialog | Qt::CustomizeWindowHint | Qt::WindowTitleHint |
                                      Qt::WindowSystemMenuHint | Qt::WindowCloseButtonHint);
                dialog.setWindowModality(Qt::WindowModal);

                if (dialog.exec() == QDialog::Rejected) {
                    return -1;
                }

                return dialog.GetIndex();
            };

            const auto index = select_profile();
            if (index == -1) {
                return;
            }

            Service::Account::ProfileManager manager;
            const auto user_id = manager.GetUser(static_cast<std::size_t>(index));
            ASSERT(user_id);
            path = nand_dir + FileSys::SaveDataFactory::GetFullPath(
                                  FileSys::SaveDataSpaceId::NandUser,
                                  FileSys::SaveDataType::SaveData, program_id, user_id->uuid, 0);
        } else {
            // Device save data
            path = nand_dir + FileSys::SaveDataFactory::GetFullPath(
                                  FileSys::SaveDataSpaceId::NandUser,
                                  FileSys::SaveDataType::SaveData, program_id, {}, 0);
        }

        if (!FileUtil::Exists(path)) {
            FileUtil::CreateFullPath(path);
            FileUtil::CreateDir(path);
        }

        break;
    }
    case GameListOpenTarget::ModData: {
        open_target = tr("Mod Data");
        const auto load_dir = FileUtil::GetUserPath(FileUtil::UserPath::LoadDir);
        path = fmt::format("{}{:016X}", load_dir, program_id);
        break;
    }
    default:
        UNIMPLEMENTED();
    }

    const QString qpath = QString::fromStdString(path);
    const QDir dir(qpath);
    if (!dir.exists()) {
        QMessageBox::warning(this, tr("Error Opening %1 Folder").arg(open_target),
                             tr("Folder does not exist!"));
        return;
    }
    LOG_INFO(Frontend, "Opening {} path for program_id={:016x}", open_target.toStdString(),
             program_id);
    QDesktopServices::openUrl(QUrl::fromLocalFile(qpath));
}

void GMainWindow::OnTransferableShaderCacheOpenFile(u64 program_id) {
    ASSERT(program_id != 0);

    const QString shader_dir =
        QString::fromStdString(FileUtil::GetUserPath(FileUtil::UserPath::ShaderDir));
    const QString tranferable_shader_cache_folder_path =
        shader_dir + QStringLiteral("opengl") + QDir::separator() + QStringLiteral("transferable");
    const QString transferable_shader_cache_file_path =
        tranferable_shader_cache_folder_path + QDir::separator() +
        QString::fromStdString(fmt::format("{:016X}.bin", program_id));

    if (!QFile::exists(transferable_shader_cache_file_path)) {
        QMessageBox::warning(this, tr("Error Opening Transferable Shader Cache"),
                             tr("A shader cache for this title does not exist."));
        return;
    }

    // Windows supports opening a folder with selecting a specified file in explorer. On every other
    // OS we just open the transferable shader cache folder without preselecting the transferable
    // shader cache file for the selected game.
#if defined(Q_OS_WIN)
    const QString explorer = QStringLiteral("explorer");
    QStringList param;
    if (!QFileInfo(transferable_shader_cache_file_path).isDir()) {
        param << QStringLiteral("/select,");
    }
    param << QDir::toNativeSeparators(transferable_shader_cache_file_path);
    QProcess::startDetached(explorer, param);
#else
    QDesktopServices::openUrl(QUrl::fromLocalFile(tranferable_shader_cache_folder_path));
#endif
}

static std::size_t CalculateRomFSEntrySize(const FileSys::VirtualDir& dir, bool full) {
    std::size_t out = 0;

    for (const auto& subdir : dir->GetSubdirectories()) {
        out += 1 + CalculateRomFSEntrySize(subdir, full);
    }

    return out + (full ? dir->GetFiles().size() : 0);
}

static bool RomFSRawCopy(QProgressDialog& dialog, const FileSys::VirtualDir& src,
                         const FileSys::VirtualDir& dest, std::size_t block_size, bool full) {
    if (src == nullptr || dest == nullptr || !src->IsReadable() || !dest->IsWritable())
        return false;
    if (dialog.wasCanceled())
        return false;

    if (full) {
        for (const auto& file : src->GetFiles()) {
            const auto out = VfsDirectoryCreateFileWrapper(dest, file->GetName());
            if (!FileSys::VfsRawCopy(file, out, block_size))
                return false;
            dialog.setValue(dialog.value() + 1);
            if (dialog.wasCanceled())
                return false;
        }
    }

    for (const auto& dir : src->GetSubdirectories()) {
        const auto out = dest->CreateSubdirectory(dir->GetName());
        if (!RomFSRawCopy(dialog, dir, out, block_size, full))
            return false;
        dialog.setValue(dialog.value() + 1);
        if (dialog.wasCanceled())
            return false;
    }

    return true;
}

void GMainWindow::OnGameListDumpRomFS(u64 program_id, const std::string& game_path) {
    const auto failed = [this] {
        QMessageBox::warning(this, tr("RomFS Extraction Failed!"),
                             tr("There was an error copying the RomFS files or the user "
                                "cancelled the operation."));
    };

    const auto loader = Loader::GetLoader(vfs->OpenFile(game_path, FileSys::Mode::Read));
    if (loader == nullptr) {
        failed();
        return;
    }

    FileSys::VirtualFile file;
    if (loader->ReadRomFS(file) != Loader::ResultStatus::Success) {
        failed();
        return;
    }

    const auto& installed = Core::System::GetInstance().GetContentProvider();
    const auto romfs_title_id = SelectRomFSDumpTarget(installed, program_id);

    if (!romfs_title_id) {
        failed();
        return;
    }

    const auto path = fmt::format(
        "{}{:016X}/romfs", FileUtil::GetUserPath(FileUtil::UserPath::DumpDir), *romfs_title_id);

    FileSys::VirtualFile romfs;

    if (*romfs_title_id == program_id) {
        const u64 ivfc_offset = loader->ReadRomFSIVFCOffset();
        FileSys::PatchManager pm{program_id};
        romfs = pm.PatchRomFS(file, ivfc_offset, FileSys::ContentRecordType::Program);
    } else {
        romfs = installed.GetEntry(*romfs_title_id, FileSys::ContentRecordType::Data)->GetRomFS();
    }

    const auto extracted = FileSys::ExtractRomFS(romfs, FileSys::RomFSExtractionType::Full);
    if (extracted == nullptr) {
        failed();
        return;
    }

    const auto out = VfsFilesystemCreateDirectoryWrapper(vfs, path, FileSys::Mode::ReadWrite);

    if (out == nullptr) {
        failed();
        vfs->DeleteDirectory(path);
        return;
    }

    bool ok = false;
    const QStringList selections{tr("Full"), tr("Skeleton")};
    const auto res = QInputDialog::getItem(
        this, tr("Select RomFS Dump Mode"),
        tr("Please select the how you would like the RomFS dumped.<br>Full will copy all of the "
           "files into the new directory while <br>skeleton will only create the directory "
           "structure."),
        selections, 0, false, &ok);
    if (!ok) {
        failed();
        vfs->DeleteDirectory(path);
        return;
    }

    const auto full = res == selections.constFirst();
    const auto entry_size = CalculateRomFSEntrySize(extracted, full);

    QProgressDialog progress(tr("Extracting RomFS..."), tr("Cancel"), 0,
                             static_cast<s32>(entry_size), this);
    progress.setWindowModality(Qt::WindowModal);
    progress.setMinimumDuration(100);

    if (RomFSRawCopy(progress, extracted, out, 0x400000, full)) {
        progress.close();
        QMessageBox::information(this, tr("RomFS Extraction Succeeded!"),
                                 tr("The operation completed successfully."));
        QDesktopServices::openUrl(QUrl::fromLocalFile(QString::fromStdString(path)));
    } else {
        progress.close();
        failed();
        vfs->DeleteDirectory(path);
    }
}

void GMainWindow::OnGameListCopyTID(u64 program_id) {
    QClipboard* clipboard = QGuiApplication::clipboard();
    clipboard->setText(QString::fromStdString(fmt::format("{:016X}", program_id)));
}

void GMainWindow::OnGameListNavigateToGamedbEntry(u64 program_id,
                                                  const CompatibilityList& compatibility_list) {
    const auto it = FindMatchingCompatibilityEntry(compatibility_list, program_id);

    QString directory;
    if (it != compatibility_list.end()) {
        directory = it->second.second;
    }

    QDesktopServices::openUrl(QUrl(QStringLiteral("https://yuzu-emu.org/game/") + directory));
}

void GMainWindow::OnGameListOpenDirectory(const QString& directory) {
    QString path;
    if (directory == QStringLiteral("SDMC")) {
        path = QString::fromStdString(FileUtil::GetUserPath(FileUtil::UserPath::SDMCDir) +
                                      "Nintendo/Contents/registered");
    } else if (directory == QStringLiteral("UserNAND")) {
        path = QString::fromStdString(FileUtil::GetUserPath(FileUtil::UserPath::NANDDir) +
                                      "user/Contents/registered");
    } else if (directory == QStringLiteral("SysNAND")) {
        path = QString::fromStdString(FileUtil::GetUserPath(FileUtil::UserPath::NANDDir) +
                                      "system/Contents/registered");
    } else {
        path = directory;
    }
    if (!QFileInfo::exists(path)) {
        QMessageBox::critical(this, tr("Error Opening %1").arg(path), tr("Folder does not exist!"));
        return;
    }
    QDesktopServices::openUrl(QUrl::fromLocalFile(path));
}

void GMainWindow::OnGameListAddDirectory() {
    const QString dir_path = QFileDialog::getExistingDirectory(this, tr("Select Directory"));
    if (dir_path.isEmpty())
        return;
    UISettings::GameDir game_dir{dir_path, false, true};
    if (!UISettings::values.game_dirs.contains(game_dir)) {
        UISettings::values.game_dirs.append(game_dir);
        game_list->PopulateAsync(UISettings::values.game_dirs);
    } else {
        LOG_WARNING(Frontend, "Selected directory is already in the game list");
    }
}

void GMainWindow::OnGameListShowList(bool show) {
    if (emulation_running && ui.action_Single_Window_Mode->isChecked())
        return;
    game_list->setVisible(show);
    game_list_placeholder->setVisible(!show);
};

void GMainWindow::OnGameListOpenPerGameProperties(const std::string& file) {
    u64 title_id{};
    const auto v_file = Core::GetGameFileFromPath(vfs, file);
    const auto loader = Loader::GetLoader(v_file);
    if (loader == nullptr || loader->ReadProgramId(title_id) != Loader::ResultStatus::Success) {
        QMessageBox::information(this, tr("Properties"),
                                 tr("The game properties could not be loaded."));
        return;
    }

    ConfigurePerGameGeneral dialog(this, title_id);
    dialog.LoadFromFile(v_file);
    auto result = dialog.exec();
    if (result == QDialog::Accepted) {
        dialog.ApplyConfiguration();

        const auto reload = UISettings::values.is_game_list_reload_pending.exchange(false);
        if (reload) {
            game_list->PopulateAsync(UISettings::values.game_dirs);
        }

        config->Save();
    }
}

void GMainWindow::OnMenuLoadFile() {
    const QString extensions =
        QStringLiteral("*.")
            .append(GameList::supported_file_extensions.join(QStringLiteral(" *.")))
            .append(QStringLiteral(" main"));
    const QString file_filter = tr("Switch Executable (%1);;All Files (*.*)",
                                   "%1 is an identifier for the Switch executable file extensions.")
                                    .arg(extensions);
    const QString filename = QFileDialog::getOpenFileName(
        this, tr("Load File"), UISettings::values.roms_path, file_filter);

    if (filename.isEmpty()) {
        return;
    }

    UISettings::values.roms_path = QFileInfo(filename).path();
    BootGame(filename);
}

void GMainWindow::OnMenuLoadFolder() {
    const QString dir_path =
        QFileDialog::getExistingDirectory(this, tr("Open Extracted ROM Directory"));

    if (dir_path.isNull()) {
        return;
    }

    const QDir dir{dir_path};
    const QStringList matching_main = dir.entryList({QStringLiteral("main")}, QDir::Files);
    if (matching_main.size() == 1) {
        BootGame(dir.path() + QDir::separator() + matching_main[0]);
    } else {
        QMessageBox::warning(this, tr("Invalid Directory Selected"),
                             tr("The directory you have selected does not contain a 'main' file."));
    }
}

void GMainWindow::OnMenuInstallToNAND() {
    const QString file_filter =
        tr("Installable Switch File (*.nca *.nsp *.xci);;Nintendo Content Archive "
           "(*.nca);;Nintendo Submissions Package (*.nsp);;NX Cartridge "
           "Image (*.xci)");
    QString filename = QFileDialog::getOpenFileName(this, tr("Install File"),
                                                    UISettings::values.roms_path, file_filter);

    if (filename.isEmpty()) {
        return;
    }

    const auto qt_raw_copy = [this](const FileSys::VirtualFile& src,
                                    const FileSys::VirtualFile& dest, std::size_t block_size) {
        if (src == nullptr || dest == nullptr)
            return false;
        if (!dest->Resize(src->GetSize()))
            return false;

        std::array<u8, 0x1000> buffer{};
        const int progress_maximum = static_cast<int>(src->GetSize() / buffer.size());

        QProgressDialog progress(
            tr("Installing file \"%1\"...").arg(QString::fromStdString(src->GetName())),
            tr("Cancel"), 0, progress_maximum, this);
        progress.setWindowModality(Qt::WindowModal);

        for (std::size_t i = 0; i < src->GetSize(); i += buffer.size()) {
            if (progress.wasCanceled()) {
                dest->Resize(0);
                return false;
            }

            const int progress_value = static_cast<int>(i / buffer.size());
            progress.setValue(progress_value);

            const auto read = src->Read(buffer.data(), buffer.size(), i);
            dest->Write(buffer.data(), read, i);
        }

        return true;
    };

    const auto success = [this]() {
        QMessageBox::information(this, tr("Successfully Installed"),
                                 tr("The file was successfully installed."));
        game_list->PopulateAsync(UISettings::values.game_dirs);
        FileUtil::DeleteDirRecursively(FileUtil::GetUserPath(FileUtil::UserPath::CacheDir) +
                                       DIR_SEP + "game_list");
    };

    const auto failed = [this]() {
        QMessageBox::warning(
            this, tr("Failed to Install"),
            tr("There was an error while attempting to install the provided file. It "
               "could have an incorrect format or be missing metadata. Please "
               "double-check your file and try again."));
    };

    const auto overwrite = [this]() {
        return QMessageBox::question(this, tr("Failed to Install"),
                                     tr("The file you are attempting to install already exists "
                                        "in the cache. Would you like to overwrite it?")) ==
               QMessageBox::Yes;
    };

    if (filename.endsWith(QStringLiteral("xci"), Qt::CaseInsensitive) ||
        filename.endsWith(QStringLiteral("nsp"), Qt::CaseInsensitive)) {
        std::shared_ptr<FileSys::NSP> nsp;
        if (filename.endsWith(QStringLiteral("nsp"), Qt::CaseInsensitive)) {
            nsp = std::make_shared<FileSys::NSP>(
                vfs->OpenFile(filename.toStdString(), FileSys::Mode::Read));
            if (nsp->IsExtractedType())
                failed();
        } else {
            const auto xci = std::make_shared<FileSys::XCI>(
                vfs->OpenFile(filename.toStdString(), FileSys::Mode::Read));
            nsp = xci->GetSecurePartitionNSP();
        }

        if (nsp->GetStatus() != Loader::ResultStatus::Success) {
            failed();
            return;
        }
        const auto res = Core::System::GetInstance()
                             .GetFileSystemController()
                             .GetUserNANDContents()
                             ->InstallEntry(*nsp, false, qt_raw_copy);
        if (res == FileSys::InstallResult::Success) {
            success();
        } else {
            if (res == FileSys::InstallResult::ErrorAlreadyExists) {
                if (overwrite()) {
                    const auto res2 = Core::System::GetInstance()
                                          .GetFileSystemController()
                                          .GetUserNANDContents()
                                          ->InstallEntry(*nsp, true, qt_raw_copy);
                    if (res2 == FileSys::InstallResult::Success) {
                        success();
                    } else {
                        failed();
                    }
                }
            } else {
                failed();
            }
        }
    } else {
        const auto nca = std::make_shared<FileSys::NCA>(
            vfs->OpenFile(filename.toStdString(), FileSys::Mode::Read));
        const auto id = nca->GetStatus();

        // Game updates necessary are missing base RomFS
        if (id != Loader::ResultStatus::Success &&
            id != Loader::ResultStatus::ErrorMissingBKTRBaseRomFS) {
            failed();
            return;
        }

        const QStringList tt_options{tr("System Application"),
                                     tr("System Archive"),
                                     tr("System Application Update"),
                                     tr("Firmware Package (Type A)"),
                                     tr("Firmware Package (Type B)"),
                                     tr("Game"),
                                     tr("Game Update"),
                                     tr("Game DLC"),
                                     tr("Delta Title")};
        bool ok;
        const auto item = QInputDialog::getItem(
            this, tr("Select NCA Install Type..."),
            tr("Please select the type of title you would like to install this NCA as:\n(In "
               "most instances, the default 'Game' is fine.)"),
            tt_options, 5, false, &ok);

        auto index = tt_options.indexOf(item);
        if (!ok || index == -1) {
            QMessageBox::warning(this, tr("Failed to Install"),
                                 tr("The title type you selected for the NCA is invalid."));
            return;
        }

        // If index is equal to or past Game, add the jump in TitleType.
        if (index >= 5) {
            index += static_cast<size_t>(FileSys::TitleType::Application) -
                     static_cast<size_t>(FileSys::TitleType::FirmwarePackageB);
        }

        FileSys::InstallResult res;
        if (index >= static_cast<s32>(FileSys::TitleType::Application)) {
            res = Core::System::GetInstance()
                      .GetFileSystemController()
                      .GetUserNANDContents()
                      ->InstallEntry(*nca, static_cast<FileSys::TitleType>(index), false,
                                     qt_raw_copy);
        } else {
            res = Core::System::GetInstance()
                      .GetFileSystemController()
                      .GetSystemNANDContents()
                      ->InstallEntry(*nca, static_cast<FileSys::TitleType>(index), false,
                                     qt_raw_copy);
        }

        if (res == FileSys::InstallResult::Success) {
            success();
        } else if (res == FileSys::InstallResult::ErrorAlreadyExists) {
            if (overwrite()) {
                const auto res2 = Core::System::GetInstance()
                                      .GetFileSystemController()
                                      .GetUserNANDContents()
                                      ->InstallEntry(*nca, static_cast<FileSys::TitleType>(index),
                                                     true, qt_raw_copy);
                if (res2 == FileSys::InstallResult::Success) {
                    success();
                } else {
                    failed();
                }
            }
        } else {
            failed();
        }
    }
}

void GMainWindow::OnMenuRecentFile() {
    QAction* action = qobject_cast<QAction*>(sender());
    assert(action);

    const QString filename = action->data().toString();
    if (QFileInfo::exists(filename)) {
        BootGame(filename);
    } else {
        // Display an error message and remove the file from the list.
        QMessageBox::information(this, tr("File not found"),
                                 tr("File \"%1\" not found").arg(filename));

        UISettings::values.recent_files.removeOne(filename);
        UpdateRecentFiles();
    }
}

void GMainWindow::OnStartGame() {
    PreventOSSleep();

    emu_thread->SetRunning(true);

    qRegisterMetaType<Core::Frontend::SoftwareKeyboardParameters>(
        "Core::Frontend::SoftwareKeyboardParameters");
    qRegisterMetaType<Core::System::ResultStatus>("Core::System::ResultStatus");
    qRegisterMetaType<std::string>("std::string");
    qRegisterMetaType<std::optional<std::u16string>>("std::optional<std::u16string>");
    qRegisterMetaType<std::string_view>("std::string_view");

    connect(emu_thread.get(), &EmuThread::ErrorThrown, this, &GMainWindow::OnCoreError);

    ui.action_Start->setEnabled(false);
    ui.action_Start->setText(tr("Continue"));

    ui.action_Pause->setEnabled(true);
    ui.action_Stop->setEnabled(true);
    ui.action_Restart->setEnabled(true);
    ui.action_Report_Compatibility->setEnabled(true);

    discord_rpc->Update();
    ui.action_Load_Amiibo->setEnabled(true);
    ui.action_Capture_Screenshot->setEnabled(true);
}

void GMainWindow::OnPauseGame() {
    emu_thread->SetRunning(false);

    ui.action_Start->setEnabled(true);
    ui.action_Pause->setEnabled(false);
    ui.action_Stop->setEnabled(true);
    ui.action_Capture_Screenshot->setEnabled(false);

    AllowOSSleep();
}

void GMainWindow::OnStopGame() {
    Core::System& system{Core::System::GetInstance()};
    if (system.GetExitLock() && !ConfirmForceLockedExit()) {
        return;
    }

    ShutdownGame();
}

void GMainWindow::OnLoadComplete() {
    loading_screen->OnLoadComplete();
}

void GMainWindow::ErrorDisplayDisplayError(QString body) {
    QMessageBox::critical(this, tr("Error Display"), body);
    emit ErrorDisplayFinished();
}

void GMainWindow::OnMenuReportCompatibility() {
    if (!Settings::values.yuzu_token.empty() && !Settings::values.yuzu_username.empty()) {
        CompatDB compatdb{this};
        compatdb.exec();
    } else {
        QMessageBox::critical(
            this, tr("Missing yuzu Account"),
            tr("In order to submit a game compatibility test case, you must link your yuzu "
               "account.<br><br/>To link your yuzu account, go to Emulation &gt; Configuration "
               "&gt; "
               "Web."));
    }
}

void GMainWindow::ToggleFullscreen() {
    if (!emulation_running) {
        return;
    }
    if (ui.action_Fullscreen->isChecked()) {
        ShowFullscreen();
    } else {
        HideFullscreen();
    }
}

void GMainWindow::ShowFullscreen() {
    if (ui.action_Single_Window_Mode->isChecked()) {
        UISettings::values.geometry = saveGeometry();
        ui.menubar->hide();
        statusBar()->hide();
        showFullScreen();
    } else {
        UISettings::values.renderwindow_geometry = render_window->saveGeometry();
        render_window->showFullScreen();
    }
}

void GMainWindow::HideFullscreen() {
    if (ui.action_Single_Window_Mode->isChecked()) {
        statusBar()->setVisible(ui.action_Show_Status_Bar->isChecked());
        ui.menubar->show();
        showNormal();
        restoreGeometry(UISettings::values.geometry);
    } else {
        render_window->showNormal();
        render_window->restoreGeometry(UISettings::values.renderwindow_geometry);
    }
}

void GMainWindow::ToggleWindowMode() {
    if (ui.action_Single_Window_Mode->isChecked()) {
        // Render in the main window...
        render_window->BackupGeometry();
        ui.horizontalLayout->addWidget(render_window);
        render_window->setFocusPolicy(Qt::StrongFocus);
        if (emulation_running) {
            render_window->setVisible(true);
            render_window->setFocus();
            game_list->hide();
        }

    } else {
        // Render in a separate window...
        ui.horizontalLayout->removeWidget(render_window);
        render_window->setParent(nullptr);
        render_window->setFocusPolicy(Qt::NoFocus);
        if (emulation_running) {
            render_window->setVisible(true);
            render_window->RestoreGeometry();
            game_list->show();
        }
    }
}

void GMainWindow::OnConfigure() {
    const auto old_theme = UISettings::values.theme;
    const bool old_discord_presence = UISettings::values.enable_discord_presence;

    ConfigureDialog configure_dialog(this, hotkey_registry);
    const auto result = configure_dialog.exec();
    if (result != QDialog::Accepted) {
        return;
    }

    configure_dialog.ApplyConfiguration();
    InitializeHotkeys();
    if (UISettings::values.theme != old_theme) {
        UpdateUITheme();
    }
    if (UISettings::values.enable_discord_presence != old_discord_presence) {
        SetDiscordEnabled(UISettings::values.enable_discord_presence);
    }
    emit UpdateThemedIcons();

    const auto reload = UISettings::values.is_game_list_reload_pending.exchange(false);
    if (reload) {
        game_list->PopulateAsync(UISettings::values.game_dirs);
    }

    config->Save();

    dock_status_button->setChecked(Settings::values.use_docked_mode);
    async_status_button->setChecked(Settings::values.use_asynchronous_gpu_emulation);
#ifdef HAS_VULKAN
    renderer_status_button->setChecked(Settings::values.renderer_backend ==
                                       Settings::RendererBackend::Vulkan);
#endif
}

void GMainWindow::OnLoadAmiibo() {
    const QString extensions{QStringLiteral("*.bin")};
    const QString file_filter = tr("Amiibo File (%1);; All Files (*.*)").arg(extensions);
    const QString filename = QFileDialog::getOpenFileName(this, tr("Load Amiibo"), {}, file_filter);

    if (filename.isEmpty()) {
        return;
    }

    LoadAmiibo(filename);
}

void GMainWindow::LoadAmiibo(const QString& filename) {
    Core::System& system{Core::System::GetInstance()};
    Service::SM::ServiceManager& sm = system.ServiceManager();
    auto nfc = sm.GetService<Service::NFP::Module::Interface>("nfp:user");
    if (nfc == nullptr) {
        return;
    }

    QFile nfc_file{filename};
    if (!nfc_file.open(QIODevice::ReadOnly)) {
        QMessageBox::warning(this, tr("Error opening Amiibo data file"),
                             tr("Unable to open Amiibo file \"%1\" for reading.").arg(filename));
        return;
    }

    const u64 nfc_file_size = nfc_file.size();
    std::vector<u8> buffer(nfc_file_size);
    const u64 read_size = nfc_file.read(reinterpret_cast<char*>(buffer.data()), nfc_file_size);
    if (nfc_file_size != read_size) {
        QMessageBox::warning(this, tr("Error reading Amiibo data file"),
                             tr("Unable to fully read Amiibo data. Expected to read %1 bytes, but "
                                "was only able to read %2 bytes.")
                                 .arg(nfc_file_size)
                                 .arg(read_size));
        return;
    }

    if (!nfc->LoadAmiibo(buffer)) {
        QMessageBox::warning(this, tr("Error loading Amiibo data"),
                             tr("Unable to load Amiibo data."));
    }
}

void GMainWindow::OnOpenYuzuFolder() {
    QDesktopServices::openUrl(QUrl::fromLocalFile(
        QString::fromStdString(FileUtil::GetUserPath(FileUtil::UserPath::UserDir))));
}

void GMainWindow::OnAbout() {
    AboutDialog aboutDialog(this);
    aboutDialog.exec();
}

void GMainWindow::OnToggleFilterBar() {
    game_list->setFilterVisible(ui.action_Show_Filter_Bar->isChecked());
    if (ui.action_Show_Filter_Bar->isChecked()) {
        game_list->setFilterFocus();
    } else {
        game_list->clearFilter();
    }
}

void GMainWindow::OnCaptureScreenshot() {
    OnPauseGame();
    QFileDialog png_dialog(this, tr("Capture Screenshot"), UISettings::values.screenshot_path,
                           tr("PNG Image (*.png)"));
    png_dialog.setAcceptMode(QFileDialog::AcceptSave);
    png_dialog.setDefaultSuffix(QStringLiteral("png"));
    if (png_dialog.exec()) {
        const QString path = png_dialog.selectedFiles().first();
        if (!path.isEmpty()) {
            UISettings::values.screenshot_path = QFileInfo(path).path();
            render_window->CaptureScreenshot(UISettings::values.screenshot_resolution_factor, path);
        }
    }
    OnStartGame();
}

void GMainWindow::UpdateWindowTitle(const QString& title_name) {
    const auto full_name = std::string(Common::g_build_fullname);
    const auto branch_name = std::string(Common::g_scm_branch);
    const auto description = std::string(Common::g_scm_desc);
    const auto build_id = std::string(Common::g_build_id);

    const auto date =
        QDateTime::currentDateTime().toString(QStringLiteral("yyyy-MM-dd")).toStdString();

    if (title_name.isEmpty()) {
        const auto fmt = std::string(Common::g_title_bar_format_idle);
        setWindowTitle(QString::fromStdString(fmt::format(fmt.empty() ? "yuzu {0}| {1}-{2}" : fmt,
                                                          full_name, branch_name, description,
                                                          std::string{}, date, build_id)));
    } else {
        const auto fmt = std::string(Common::g_title_bar_format_running);
        setWindowTitle(QString::fromStdString(
            fmt::format(fmt.empty() ? "yuzu {0}| {3} | {1}-{2}" : fmt, full_name, branch_name,
                        description, title_name.toStdString(), date, build_id)));
    }
}

void GMainWindow::UpdateStatusBar() {
    if (emu_thread == nullptr) {
        status_bar_update_timer.stop();
        return;
    }

    auto results = Core::System::GetInstance().GetAndResetPerfStats();

    if (Settings::values.use_frame_limit) {
        emu_speed_label->setText(tr("Speed: %1% / %2%")
                                     .arg(results.emulation_speed * 100.0, 0, 'f', 0)
                                     .arg(Settings::values.frame_limit));
    } else {
        emu_speed_label->setText(tr("Speed: %1%").arg(results.emulation_speed * 100.0, 0, 'f', 0));
    }
    game_fps_label->setText(tr("Game: %1 FPS").arg(results.game_fps, 0, 'f', 0));
    emu_frametime_label->setText(tr("Frame: %1 ms").arg(results.frametime * 1000.0, 0, 'f', 2));

    emu_speed_label->setVisible(true);
    game_fps_label->setVisible(true);
    emu_frametime_label->setVisible(true);
}

void GMainWindow::OnCoreError(Core::System::ResultStatus result, std::string details) {
    QMessageBox::StandardButton answer;
    QString status_message;
    const QString common_message =
        tr("The game you are trying to load requires additional files from your Switch to be "
           "dumped "
           "before playing.<br/><br/>For more information on dumping these files, please see the "
           "following wiki page: <a "
           "href='https://yuzu-emu.org/wiki/"
           "dumping-system-archives-and-the-shared-fonts-from-a-switch-console/'>Dumping System "
           "Archives and the Shared Fonts from a Switch Console</a>.<br/><br/>Would you like to "
           "quit "
           "back to the game list? Continuing emulation may result in crashes, corrupted save "
           "data, or other bugs.");
    switch (result) {
    case Core::System::ResultStatus::ErrorSystemFiles: {
        QString message;
        if (details.empty()) {
            message =
                tr("yuzu was unable to locate a Switch system archive. %1").arg(common_message);
        } else {
            message = tr("yuzu was unable to locate a Switch system archive: %1. %2")
                          .arg(QString::fromStdString(details), common_message);
        }

        answer = QMessageBox::question(this, tr("System Archive Not Found"), message,
                                       QMessageBox::Yes | QMessageBox::No, QMessageBox::No);
        status_message = tr("System Archive Missing");
        break;
    }

    case Core::System::ResultStatus::ErrorSharedFont: {
        const QString message =
            tr("yuzu was unable to locate the Switch shared fonts. %1").arg(common_message);
        answer = QMessageBox::question(this, tr("Shared Fonts Not Found"), message,
                                       QMessageBox::Yes | QMessageBox::No, QMessageBox::No);
        status_message = tr("Shared Font Missing");
        break;
    }

    default:
        answer = QMessageBox::question(
            this, tr("Fatal Error"),
            tr("yuzu has encountered a fatal error, please see the log for more details. "
               "For more information on accessing the log, please see the following page: "
               "<a href='https://community.citra-emu.org/t/how-to-upload-the-log-file/296'>How "
               "to "
               "Upload the Log File</a>.<br/><br/>Would you like to quit back to the game "
               "list? "
               "Continuing emulation may result in crashes, corrupted save data, or other "
               "bugs."),
            QMessageBox::Yes | QMessageBox::No, QMessageBox::No);
        status_message = tr("Fatal Error encountered");
        break;
    }

    if (answer == QMessageBox::Yes) {
        if (emu_thread) {
            ShutdownGame();
        }
    } else {
        // Only show the message if the game is still running.
        if (emu_thread) {
            emu_thread->SetRunning(true);
            message_label->setText(status_message);
        }
    }
}

void GMainWindow::OnReinitializeKeys(ReinitializeKeyBehavior behavior) {
    if (behavior == ReinitializeKeyBehavior::Warning) {
        const auto res = QMessageBox::information(
            this, tr("Confirm Key Rederivation"),
            tr("You are about to force rederive all of your keys. \nIf you do not know what this "
               "means or what you are doing, \nthis is a potentially destructive action. \nPlease "
               "make sure this is what you want \nand optionally make backups.\n\nThis will delete "
               "your autogenerated key files and re-run the key derivation module."),
            QMessageBox::StandardButtons{QMessageBox::Ok, QMessageBox::Cancel});

        if (res == QMessageBox::Cancel)
            return;

        FileUtil::Delete(FileUtil::GetUserPath(FileUtil::UserPath::KeysDir) +
                         "prod.keys_autogenerated");
        FileUtil::Delete(FileUtil::GetUserPath(FileUtil::UserPath::KeysDir) +
                         "console.keys_autogenerated");
        FileUtil::Delete(FileUtil::GetUserPath(FileUtil::UserPath::KeysDir) +
                         "title.keys_autogenerated");
    }

    Core::Crypto::KeyManager keys{};
    if (keys.BaseDeriveNecessary()) {
        Core::Crypto::PartitionDataManager pdm{vfs->OpenDirectory(
            FileUtil::GetUserPath(FileUtil::UserPath::SysDataDir), FileSys::Mode::Read)};

        const auto function = [this, &keys, &pdm] {
            keys.PopulateFromPartitionData(pdm);
            Core::System::GetInstance().GetFileSystemController().CreateFactories(*vfs);
            keys.DeriveETicket(pdm);
        };

        QString errors;
        if (!pdm.HasFuses()) {
            errors += tr("Missing fuses");
        }
        if (!pdm.HasBoot0()) {
            errors += tr(" - Missing BOOT0");
        }
        if (!pdm.HasPackage2()) {
            errors += tr(" - Missing BCPKG2-1-Normal-Main");
        }
        if (!pdm.HasProdInfo()) {
            errors += tr(" - Missing PRODINFO");
        }
        if (!errors.isEmpty()) {
            QMessageBox::warning(
                this, tr("Derivation Components Missing"),
                tr("Components are missing that may hinder key derivation from completing. "
                   "<br>Please follow <a href='https://yuzu-emu.org/help/quickstart/'>the yuzu "
                   "quickstart guide</a> to get all your keys and "
                   "games.<br><br><small>(%1)</small>")
                    .arg(errors));
        }

        QProgressDialog prog;
        prog.setRange(0, 0);
        prog.setLabelText(tr("Deriving keys...\nThis may take up to a minute depending \non your "
                             "system's performance."));
        prog.setWindowTitle(tr("Deriving Keys"));

        prog.show();

        auto future = QtConcurrent::run(function);
        while (!future.isFinished()) {
            QCoreApplication::processEvents();
        }

        prog.close();
    }

    Core::System::GetInstance().GetFileSystemController().CreateFactories(*vfs);

    if (behavior == ReinitializeKeyBehavior::Warning) {
        game_list->PopulateAsync(UISettings::values.game_dirs);
    }
}

std::optional<u64> GMainWindow::SelectRomFSDumpTarget(const FileSys::ContentProvider& installed,
                                                      u64 program_id) {
    const auto dlc_entries =
        installed.ListEntriesFilter(FileSys::TitleType::AOC, FileSys::ContentRecordType::Data);
    std::vector<FileSys::ContentProviderEntry> dlc_match;
    dlc_match.reserve(dlc_entries.size());
    std::copy_if(dlc_entries.begin(), dlc_entries.end(), std::back_inserter(dlc_match),
                 [&program_id, &installed](const FileSys::ContentProviderEntry& entry) {
                     return (entry.title_id & DLC_BASE_TITLE_ID_MASK) == program_id &&
                            installed.GetEntry(entry)->GetStatus() == Loader::ResultStatus::Success;
                 });

    std::vector<u64> romfs_tids;
    romfs_tids.push_back(program_id);
    for (const auto& entry : dlc_match) {
        romfs_tids.push_back(entry.title_id);
    }

    if (romfs_tids.size() > 1) {
        QStringList list{QStringLiteral("Base")};
        for (std::size_t i = 1; i < romfs_tids.size(); ++i) {
            list.push_back(QStringLiteral("DLC %1").arg(romfs_tids[i] & 0x7FF));
        }

        bool ok;
        const auto res = QInputDialog::getItem(
            this, tr("Select RomFS Dump Target"),
            tr("Please select which RomFS you would like to dump."), list, 0, false, &ok);
        if (!ok) {
            return {};
        }

        return romfs_tids[list.indexOf(res)];
    }

    return program_id;
}

bool GMainWindow::ConfirmClose() {
    if (emu_thread == nullptr || !UISettings::values.confirm_before_closing)
        return true;

    QMessageBox::StandardButton answer =
        QMessageBox::question(this, tr("yuzu"), tr("Are you sure you want to close yuzu?"),
                              QMessageBox::Yes | QMessageBox::No, QMessageBox::No);
    return answer != QMessageBox::No;
}

void GMainWindow::closeEvent(QCloseEvent* event) {
    if (!ConfirmClose()) {
        event->ignore();
        return;
    }

    if (!ui.action_Fullscreen->isChecked()) {
        UISettings::values.geometry = saveGeometry();
        UISettings::values.renderwindow_geometry = render_window->saveGeometry();
    }
    UISettings::values.state = saveState();
#if MICROPROFILE_ENABLED
    UISettings::values.microprofile_geometry = microProfileDialog->saveGeometry();
    UISettings::values.microprofile_visible = microProfileDialog->isVisible();
#endif
    UISettings::values.single_window_mode = ui.action_Single_Window_Mode->isChecked();
    UISettings::values.fullscreen = ui.action_Fullscreen->isChecked();
    UISettings::values.display_titlebar = ui.action_Display_Dock_Widget_Headers->isChecked();
    UISettings::values.show_filter_bar = ui.action_Show_Filter_Bar->isChecked();
    UISettings::values.show_status_bar = ui.action_Show_Status_Bar->isChecked();
    UISettings::values.first_start = false;

    game_list->SaveInterfaceLayout();
    hotkey_registry.SaveHotkeys();

    // Shutdown session if the emu thread is active...
    if (emu_thread != nullptr)
        ShutdownGame();

    render_window->close();

    QWidget::closeEvent(event);
}

static bool IsSingleFileDropEvent(const QMimeData* mime) {
    return mime->hasUrls() && mime->urls().length() == 1;
}

void GMainWindow::AcceptDropEvent(QDropEvent* event) {
    if (IsSingleFileDropEvent(event->mimeData())) {
        event->setDropAction(Qt::DropAction::LinkAction);
        event->accept();
    }
}

bool GMainWindow::DropAction(QDropEvent* event) {
    if (!IsSingleFileDropEvent(event->mimeData())) {
        return false;
    }

    const QMimeData* mime_data = event->mimeData();
    const QString& filename = mime_data->urls().at(0).toLocalFile();

    if (emulation_running && QFileInfo(filename).suffix() == QStringLiteral("bin")) {
        // Amiibo
        LoadAmiibo(filename);
    } else {
        // Game
        if (ConfirmChangeGame()) {
            BootGame(filename);
        }
    }
    return true;
}

void GMainWindow::dropEvent(QDropEvent* event) {
    DropAction(event);
}

void GMainWindow::dragEnterEvent(QDragEnterEvent* event) {
    AcceptDropEvent(event);
}

void GMainWindow::dragMoveEvent(QDragMoveEvent* event) {
    AcceptDropEvent(event);
}

bool GMainWindow::ConfirmChangeGame() {
    if (emu_thread == nullptr)
        return true;

    const auto answer = QMessageBox::question(
        this, tr("yuzu"),
        tr("Are you sure you want to stop the emulation? Any unsaved progress will be lost."),
        QMessageBox::Yes | QMessageBox::No, QMessageBox::No);
    return answer != QMessageBox::No;
}

bool GMainWindow::ConfirmForceLockedExit() {
    if (emu_thread == nullptr)
        return true;

    const auto answer =
        QMessageBox::question(this, tr("yuzu"),
                              tr("The currently running application has requested yuzu to not "
                                 "exit.\n\nWould you like to bypass this and exit anyway?"),
                              QMessageBox::Yes | QMessageBox::No, QMessageBox::No);
    return answer != QMessageBox::No;
}

void GMainWindow::RequestGameExit() {
    auto& sm{Core::System::GetInstance().ServiceManager()};
    auto applet_oe = sm.GetService<Service::AM::AppletOE>("appletOE");
    auto applet_ae = sm.GetService<Service::AM::AppletAE>("appletAE");
    bool has_signalled = false;

    if (applet_oe != nullptr) {
        applet_oe->GetMessageQueue()->RequestExit();
        has_signalled = true;
    }

    if (applet_ae != nullptr && !has_signalled) {
        applet_ae->GetMessageQueue()->RequestExit();
    }
}

void GMainWindow::filterBarSetChecked(bool state) {
    ui.action_Show_Filter_Bar->setChecked(state);
    emit(OnToggleFilterBar());
}

void GMainWindow::UpdateUITheme() {
    const QString default_icons = QStringLiteral(":/icons/default");
    const QString& current_theme = UISettings::values.theme;
    const bool is_default_theme = current_theme == QString::fromUtf8(UISettings::themes[0].second);
    QStringList theme_paths(default_theme_paths);

    if (is_default_theme || current_theme.isEmpty()) {
        const QString theme_uri(QStringLiteral(":default/style.qss"));
        QFile f(theme_uri);
        if (f.open(QFile::ReadOnly | QFile::Text)) {
            QTextStream ts(&f);
            qApp->setStyleSheet(ts.readAll());
            setStyleSheet(ts.readAll());
        } else {
            qApp->setStyleSheet({});
            setStyleSheet({});
        }
        theme_paths.append(default_icons);
        QIcon::setThemeName(default_icons);
    } else {
        const QString theme_uri(QLatin1Char{':'} + current_theme + QStringLiteral("/style.qss"));
        QFile f(theme_uri);
        if (f.open(QFile::ReadOnly | QFile::Text)) {
            QTextStream ts(&f);
            qApp->setStyleSheet(ts.readAll());
            setStyleSheet(ts.readAll());
        } else {
            LOG_ERROR(Frontend, "Unable to set style, stylesheet file not found");
        }

        const QString theme_name = QStringLiteral(":/icons/") + current_theme;
        theme_paths.append({default_icons, theme_name});
        QIcon::setThemeName(theme_name);
    }

    QIcon::setThemeSearchPaths(theme_paths);
}

void GMainWindow::SetDiscordEnabled([[maybe_unused]] bool state) {
#ifdef USE_DISCORD_PRESENCE
    if (state) {
        discord_rpc = std::make_unique<DiscordRPC::DiscordImpl>();
    } else {
        discord_rpc = std::make_unique<DiscordRPC::NullImpl>();
    }
#else
    discord_rpc = std::make_unique<DiscordRPC::NullImpl>();
#endif
    discord_rpc->Update();
}

#ifdef main
#undef main
#endif

int main(int argc, char* argv[]) {
    Common::DetachedTasks detached_tasks;
    MicroProfileOnThreadCreate("Frontend");
    SCOPE_EXIT({ MicroProfileShutdown(); });

    // Init settings params
    QCoreApplication::setOrganizationName(QStringLiteral("yuzu team"));
    QCoreApplication::setApplicationName(QStringLiteral("yuzu"));

#ifdef __APPLE__
    // If you start a bundle (binary) on OSX without the Terminal, the working directory is "/".
    // But since we require the working directory to be the executable path for the location of the
    // user folder in the Qt Frontend, we need to cd into that working directory
    const std::string bin_path = FileUtil::GetBundleDirectory() + DIR_SEP + "..";
    chdir(bin_path.c_str());
#endif

    // Enables the core to make the qt created contexts current on std::threads
    QCoreApplication::setAttribute(Qt::AA_DontCheckOpenGLContextThreadAffinity);
    QApplication app(argc, argv);

    // Qt changes the locale and causes issues in float conversion using std::to_string() when
    // generating shaders
    setlocale(LC_ALL, "C");

    GMainWindow main_window;
    // After settings have been loaded by GMainWindow, apply the filter
    main_window.show();

    QObject::connect(&app, &QGuiApplication::applicationStateChanged, &main_window,
                     &GMainWindow::OnAppFocusStateChanged);

    Settings::LogSettings();

    int result = app.exec();
    detached_tasks.WaitForAllTasks();
    return result;
}