// SPDX-License-Identifier: GPL-3.0-or-later
// SPDX-FileCopyrightText: 2026 A-La-Karte Contributors

#pragma once

#include <QHash>
#include <QJsonObject>
#include <QObject>
#include <QQmlEngine>

#include "config.h"
#include "gamelauncher.h"
#include "gamemodel.h"
#include "steamgriddb.h"

class App : public QObject
{
    Q_OBJECT
    QML_ELEMENT
    QML_SINGLETON

    Q_PROPERTY(GameModel *gameModel READ gameModel CONSTANT)
    Q_PROPERTY(GameLauncher *launcher READ launcher CONSTANT)
    Q_PROPERTY(SteamGridDB *steamGridDB READ steamGridDB CONSTANT)
    Q_PROPERTY(Config *config READ config CONSTANT)
    Q_PROPERTY(bool importing READ importing NOTIFY importingChanged)
    Q_PROPERTY(QString importStatus READ importStatus NOTIFY importStatusChanged)

public:
    static App *instance();
    static App *create(QQmlEngine *engine, QJSEngine *scriptEngine);

    GameModel *gameModel() const;
    GameLauncher *launcher() const;
    SteamGridDB *steamGridDB() const;
    Config *config() const;

    bool importing() const;
    QString importStatus() const;

    Q_INVOKABLE void importAllGames();
    Q_INVOKABLE void importFromSteam();
    Q_INVOKABLE void importFromLutris();
    Q_INVOKABLE void importFromHeroic();
    Q_INVOKABLE void importFromDesktop();
    Q_INVOKABLE void importFromBottles();
    Q_INVOKABLE void importFromFlatpak();
    Q_INVOKABLE void importFromItch();
    Q_INVOKABLE void importFromLegendary();
    Q_INVOKABLE void importFromRetroArch();
    Q_INVOKABLE void clearLibrary();
    Q_INVOKABLE void removeMissingGames();
    Q_INVOKABLE void saveLibrary();
    Q_INVOKABLE void loadLibrary();

    Q_INVOKABLE Game *createGame(const QString &name, const QString &launchCommand);
    Q_INVOKABLE void removeGame(Game *game);
    Q_INVOKABLE void restoreGame(const QString &gameId);
    Q_INVOKABLE bool setCoverFromFile(Game *game, const QString &filePath);

Q_SIGNALS:
    void importingChanged();
    void importStatusChanged();
    void importCompleted(int count);
    void importError(const QString &error);

private:
    explicit App(QObject *parent = nullptr);

    static App *s_instance;

    GameModel *m_gameModel;
    GameLauncher *m_launcher;
    SteamGridDB *m_steamGridDB;
    Config *m_config;

    bool m_importing = false;
    QString m_importStatus;
    QHash<QString, QJsonObject> m_removedGames;

    void setImporting(bool importing);
    void setImportStatus(const QString &status);
};