#ifndef APPEVENT_H
#define APPEVENT_H

#include <QIODevice>
#include <QObject>
#include <QVariant>

class AppEvent : public QObject
{
    Q_OBJECT

    explicit AppEvent(QObject *parent = nullptr);
    ~AppEvent();

public:
    static AppEvent *instance(); // 静态方法返回单例实例

    static qint64 time();

    static QString formatElapsedTime(qint64 ms);

    static void captureDesktop(QIODevice *device, const char *format = nullptr, int quality = -1);
    static void captureDesktop(const QString &path);

    static void saveTimeFile(qint64 elapsed, const QString &path);

    QString machineCode() const;

    //判断是否登录
    bool isLogin();

    void setJwtToken(const QString &token);
    QString jwtToken() const;

    bool isRefreshToken() const;
    void setRefreshTime(qint64 time) const;

    void startExam(int time);

    qint64 maxExamTime();
    void setMaxExamTime(qint64 time);
    // 配置
    bool setConfigValue(const QString &key, const QVariant &value);
    QVariant configValue(const QString &key);
    QVariant configReadValue(const QString &key, bool *isok = nullptr);

    bool configLoadJson(const QJsonObject &object);
    bool configLoad();
    bool configSave();
    QJsonObject config() const;

    void serverLink(bool);
    void unLockScreen();
signals:
    void startExamSignals(int time);
    void serverLinkSignals(int time);
    void unLockScreenSignals();

private:
    class AppEventPrivate *d;
};

#endif // APPEVENT_H