#ifndef LEGACYAPP_H
#define LEGACYAPP_H

#include <QObject>
#include <QSettings>
#include <QApplication>
#include <QVector>
#include <QVariant>

#include <LotroDat/datfile.h>
#include <LotroDat/database.h>

class PatchInstaller : public QObject
{
    Q_OBJECT

public:
    struct Status {

    };


public:
    static PatchInstaller& instance() {
        static PatchInstaller instance_;
        return instance_;
    }
    bool initialised();
    ~PatchInstaller();

//    TODO: bool NotPatched();


private:
    enum Category : int {
        E_TEXTS_COMMON = 100,
        E_TEXTS_ITEMS = 101,
        E_TEXTS_EMOTES = 102,
        E_TEXTS_VIDEOS_REFS = 103,
        E_MAPS_COMMON = 200,
        E_TEXTURES_COMMON = 201,
        E_AUDIOS_COMMON = 300,
        E_FONTS_COMMON = 400
    };

    enum RESOURCE_FILE_TYPE : int {
        E_CLIENT_LOCAL = 0,
        E_CLIENT_GENERAL = 1
    };

    explicit PatchInstaller(QObject *parent = nullptr);

    bool datPathIsRelevant();

    void deinit();

    void installPatch(QString patch_name, QString database_path, RESOURCE_FILE_TYPE dat_file);


public slots:
    void init();
    void startGame(bool freeze_updates);


signals:
    void operationStarted(QString operation_name, QVector<QVariant> args = {});
    void errorOccured(QString operation_name, QVector<QVariant> args = {}, QString message = "No error message provided");
    void operationFinished(QString operation_name, QVector<QVariant> args = {}, bool successful = true);
    void statusChanged(Status status);

private:
    LOTRO_DAT::DatFile* client_local_file_;
    LOTRO_DAT::DatFile* client_general_file_;
};

#endif // LEGACYAPP_H