#ifndef OVEN_H
#define OVEN_H

#include <QObject>
#include <QTimer>
#include <QTime>

class OvenInterface : public QObject
{
    Q_OBJECT

public:
    OvenInterface(QObject *parent = 0) : QObject(parent) {}
    virtual ~OvenInterface(){}
    virtual int currentTemp() = 0;
    virtual int currentHumidity() = 0;
    virtual int currentInterTemp() = 0;
    virtual bool door() = 0;

signals:
    void doorOpened();
    void doorClosed();

public slots:
//    virtual void setMode(Oven::Mode mode) = 0;
    virtual void setHumidity(int percentage) = 0;
    virtual void setTemp(int celsius) = 0;
    virtual void setTime(int secs) = 0;
    virtual void setInterTemp(int celsius) = 0;
    virtual void setFan(int rpm) = 0;

    virtual void startCooking() = 0;
    virtual void stopCooking() = 0;
    virtual void startPreheating() = 0;
    virtual void stopPreheating() = 0;
    virtual void startCooldown() = 0;
    virtual void stopCooldown() = 0;
    virtual void startHumidification() = 0;
    virtual void stopHumidification() = 0;
    virtual void startWashing() = 0;
    virtual void stopWashing() = 0;

    virtual void openDamper() = 0;
    virtual void closeDamper() = 0;
};

Q_DECLARE_INTERFACE(OvenInterface, "OvenInterface")

class Oven : public QObject
{
    Q_OBJECT

public:
    enum Mode { HeatMode, SteamMode, CombinationMode };

private:
    explicit Oven(QObject *parent = 0);

    Mode mode_;
    int humidity_;
    int temp_;
    int time_;
    bool interTempEnabled_ = false;
    int interTemp_;
    int fan_; // 1 ~ 5
    bool cooking_ = false;
    bool preheating_ = false;
    bool cooldown_ = false;
    bool damper_ = false; // true: open, false: close
    bool humidification_ = false;
    bool door_ = false; // true: open, false: close

    int currentHumidity_;
    int currentTemp_;
    int currentInterTemp_;

    bool isInterTempValid_;
    QTime interTempValidTime;

    bool damperRepeat;
    bool damperRepeatInfinitely;
    int damperRepeatRuntime;
    int damperRepeatDelay;
    int damperRepeatCount;
    QTimer damperRepeatRuntimeTimer;
    QTimer damperRepeatDelayTimer;
    bool damperRepeatPaused;
    bool damperRepeatPausedOnRuntime;
    int damperRepeatRemainingTime;

    bool humidificationRepeat;
    bool humidificationRepeatInfinitely;
    int humidificationRepeatRuntime;
    int humidificationRepeatDelay;
    int humidificationRepeatCount;
    QTimer humidificationRepeatRuntimeTimer;
    QTimer humidificationRepeatDelayTimer;
    bool humidificationRepeatPaused;
    bool humidificationRepeatPausedOnRuntime;
    int humidificationRepeatRemainingTime;

    bool paused_;

    QTimer cookingTimer;
    QTimer damperTimer;
    QTimer humidificationTimer;
    QTimer interTempTimer;

    OvenInterface *interface;

    static Oven *instance;

public:
    static Oven *getInstance() {
        if (instance == 0)
            instance = new Oven();

        return instance;
    }

    Mode mode() { return mode_; }
    int humidity() { return humidity_; }
    int temp() { return temp_; }
    int time();
    bool interTempEnabled() { return interTempEnabled_; }
    int interTemp() { return interTemp_; }
    int fan() { return fan_; }
    bool cooking() { return cooking_; }
    bool preheating() { return preheating_; }
    bool cooldown() { return cooldown_; }
    bool damper() { return damper_; }
    bool humidification() { return humidification_; }
    bool door() { return door_; }
    bool paused() { return paused_; }

    int currentTemp() { return currentTemp_; }
    int currentHumidity() { return currentHumidity_; }
    int currentInterTemp() { return currentInterTemp_; }

    bool isInterTempValid();

    bool cookingStartable();
    bool preheatingStartable();
    bool cooldownStartable();
    bool humidificationStartable();
    bool damperOpenable();


    int maxTemp();
    int minTemp();
    int maxInterTemp();
    int minInterTemp();
    int maxFan();
    int minFan();

signals:
    void changed(Oven *);
    void doorOpened();

public slots:
    void setMode(Mode mode);
    void setDefault(Mode mode);
    void setHumidity(int percentage);
    void setTemp(int celsius);
    void setTime(int secs);
    void setInterTempEnabled(bool enabled);
    void setInterTemp(int celsius);
    void setFan(int speed);

    void stop();
    void startCooking();
    void stopCooking();
    void startPreheating();
    void stopPreheating();
    void startCooldown();
    void stopCooldown();
    void startHumidification(int secs = 600);
    void stopHumidification();

    void openDamper(int secs = 300);
    void closeDamper();

    void repeatHumidification(int runtime, int delay, int count = 0);
    void stopRepeatHumidification();
    void pauseRepeatHumidification();
    void resumeRepeatHumidification();

    void repeatDamper(int runtime, int delay, int count = 0);
    void stopRepeatDamper();
    void pauseRepeatDamper();
    void resumeRepeatDamper();

    void setCurrentHumidity(int percentage);
    void setCurrentTemp(int celsius);
    void setCurrentInterTemp(int celsius);

    void setInterface(OvenInterface *interface);

private slots:
    bool setMode_(Mode mode);
    bool setHumidity_(int percentage);
    bool setTemp_(int celsius);
    bool setInterTempEnabled_(bool enabled);
    bool setInterTemp_(int celsius);
    bool setFan_(int speed);

    void runRepeatHumidification();
    void idleRepeatHumidification();

    void runRepeatDamper();
    void idleRepeatDamper();

    void onDoorOpened();
    void onDoorClosed();
};

#endif // OVEN_H