#ifndef PLAYWIN_H
#define PLAYWIN_H
#include "gutil/qjson.h"
#include <QMenu>
#include <QMap>

enum Effect {
    EXPAND_HOR, EXPAND_VER, EXPAND_LEFT, EXPAND_TOP, EXPAND_RIGHT, EXPAND_BOTTOM,
    ZOOM, ZOOM_TL, ZOOM_TR, ZOOM_BR, ZOOM_BL,
    ROTATE, ROTATE_R,
    FADE,
    MOVE_LEFT, MOVE_TOP, MOVE_RIGHT, MOVE_BOTTOM,
    End
};

class Source {
public:
    QWidget *view = 0;
    int64_t startMilli = 0, endMilli = LLONG_MAX;
    int startTime = 0, entryDur = 0, exitStart = INT_MAX, exitDur = 0, endTime = 0, ff = 0;
    Effect entryEff, exitEff;
    QString type;
    bool isEntryRand = 0, isExitRand = 0;

    void show() {
        if(view->isVisible()) return;
        view->setVisible(true);
        ff = 0;
        if(isEntryRand) entryEff = (Effect) (rand() % Effect::End);
        if(isExitRand) exitEff = (Effect) (rand() % Effect::End);
        resetEff();
        doEff();
    }
    void hide() {
        if(! view->isVisible()) return;
        view->setVisible(false);
    }
    void doEff() {
        // auto w = view->width();
        // auto h = view->height();
        // if(ff < entryDur) {
        //     if(entryEff == Effect::EXPAND_HOR) view.setScaleX(ff / (float) entryDur);
        //     else if(entryEff == Effect::EXPAND_VER) view.setScaleY(ff / (float) entryDur);
        //     else if(entryEff == Effect::EXPAND_LEFT) {
        //         view.setScaleX(ff / (float) entryDur);
        //         view.setTranslationX((1 - view.getScaleX()) * w / 2);
        //     } else if(entryEff == Effect::EXPAND_TOP) {
        //         view.setScaleY(ff / (float) entryDur);
        //         view.setTranslationY((1 - view.getScaleY()) * h / 2);
        //     } else if(entryEff == Effect::EXPAND_RIGHT) {
        //         view.setScaleX(ff / (float) entryDur);
        //         view.setTranslationX((view.getScaleX() - 1) * w / 2);
        //     } else if(entryEff == Effect::EXPAND_BOTTOM) {
        //         view.setScaleY(ff / (float) entryDur);
        //         view.setTranslationY((view.getScaleY() - 1) * h / 2);
        //     }
        //     else if(entryEff == Effect::MOVE_LEFT) view.setTranslationX(w - ff*w/(float) entryDur);
        //     else if(entryEff == Effect::MOVE_TOP) view.setTranslationY(h - ff*h/(float) entryDur);
        //     else if(entryEff == Effect::MOVE_RIGHT) view.setTranslationX(ff*w/(float) entryDur - w);
        //     else if(entryEff == Effect::MOVE_BOTTOM) view.setTranslationY(ff*h/(float) entryDur - h);
        //     else if(entryEff == Effect::FADE) view.setAlpha(ff / (float) entryDur);
        //     else if(entryEff == Effect::ZOOM) {
        //         view.setScaleX(ff / (float) entryDur);
        //         view.setScaleY(view.getScaleX());
        //     } else if(entryEff == Effect::ZOOM_TL) {
        //         var rate = ff / (float) entryDur;
        //         view.setTranslationX((rate - 1) * w / 2);
        //         view.setTranslationY((rate - 1) * h / 2);
        //         view.setScaleX(rate);
        //         view.setScaleY(rate);
        //     } else if(entryEff == Effect::ZOOM_BR) {
        //         var rate = ff / (float) entryDur;
        //         view.setTranslationX((1 - rate) * w / 2);
        //         view.setTranslationY((1 - rate) * h / 2);
        //         view.setScaleX(rate);
        //         view.setScaleY(rate);
        //     } else if(entryEff == Effect::ZOOM_TR) {
        //         var rate = ff / (float) entryDur;
        //         view.setTranslationX((1 - rate) * w / 2);
        //         view.setTranslationY((rate - 1) * h / 2);
        //         view.setScaleX(rate);
        //         view.setScaleY(rate);
        //     } else if(entryEff == Effect::ZOOM_BL) {
        //         var rate = ff / (float) entryDur;
        //         view.setTranslationX((rate - 1) * w / 2);
        //         view.setTranslationY((1 - rate) * h / 2);
        //         view.setScaleX(rate);
        //         view.setScaleY(rate);
        //     } else if(entryEff == Effect::ROTATE) {
        //         view.setScaleX(ff / (float) entryDur);
        //         view.setScaleY(view.getScaleX());
        //         view.setRotation(view.getScaleX() * 360);
        //     } else if(entryEff == Effect::ROTATE_R) {
        //         view.setScaleX(ff / (float) entryDur);
        //         view.setScaleY(view.getScaleX());
        //         view.setRotation(- view.getScaleX() * 360);
        //     }
        // } else if(ff>=exitStart) {
        //     var fff = ff - exitStart;
        //     if(fff > exitDur) fff = exitDur;
        //     if(exitEff == Effect::EXPAND_HOR) view.setScaleX(1 - fff / (float) exitDur);
        //     else if(exitEff == Effect::EXPAND_VER) view.setScaleY(1 - fff / (float) exitDur);
        //     else if(exitEff == Effect::EXPAND_LEFT) {
        //         var rate = fff / (float) exitDur;
        //         view.setScaleX(1 - rate);
        //         view.setTranslationX(rate * w / 2);
        //     } else if(exitEff == Effect::EXPAND_TOP) {
        //         var rate = fff / (float) exitDur;
        //         view.setScaleY(1 - rate);
        //         view.setTranslationY(rate * h / 2);
        //     } else if(exitEff == Effect::EXPAND_RIGHT) {
        //         var rate = fff / (float) exitDur;
        //         view.setScaleX(1 - rate);
        //         view.setTranslationX(- rate * w / 2);
        //     } else if(exitEff == Effect::EXPAND_BOTTOM) {
        //         var rate = fff / (float) exitDur;
        //         view.setScaleY(1 - rate);
        //         view.setTranslationY(- rate * h / 2);
        //     }
        //     else if(exitEff == Effect::MOVE_LEFT) view.setTranslationX(- fff*w / (float) exitDur);
        //     else if(exitEff == Effect::MOVE_RIGHT) view.setTranslationX(fff*w / (float) exitDur);
        //     else if(exitEff == Effect::MOVE_TOP) view.setTranslationY(- fff*h / (float) exitDur);
        //     else if(exitEff == Effect::MOVE_BOTTOM) view.setTranslationY(fff*h / (float) exitDur);
        //     else if(exitEff == Effect::FADE) view.setAlpha(1 - fff / (float) exitDur);
        //     else if(exitEff == Effect::ZOOM) {
        //         view.setScaleX(1 - fff / (float) exitDur);
        //         view.setScaleY(view.getScaleX());
        //     } else if(exitEff == Effect::ZOOM_TL) {
        //         var rate = fff / (float) exitDur;
        //         view.setTranslationX(- rate * w / 2);
        //         view.setTranslationY(- rate * h / 2);
        //         view.setScaleX(1 - rate);
        //         view.setScaleY(1 - rate);
        //     } else if(exitEff == Effect::ZOOM_BR) {
        //         var rate = fff / (float) exitDur;
        //         view.setTranslationX(rate * w / 2);
        //         view.setTranslationY(rate * h / 2);
        //         view.setScaleX(1 - rate);
        //         view.setScaleY(1 - rate);
        //     } else if(exitEff == Effect::ZOOM_TR) {
        //         var rate = fff / (float) exitDur;
        //         view.setTranslationX(rate * w / 2);
        //         view.setTranslationY(- rate * h / 2);
        //         view.setScaleX(1 - rate);
        //         view.setScaleY(1 - rate);
        //     } else if(exitEff == Effect::ZOOM_BL) {
        //         var rate = fff / (float) exitDur;
        //         view.setTranslationX(- rate * w / 2);
        //         view.setTranslationY(rate * h / 2);
        //         view.setScaleX(1 - rate);
        //         view.setScaleY(1 - rate);
        //     } else if(exitEff == Effect::ROTATE) {
        //         var rate = fff / (float) exitDur;
        //         view.setScaleX(1 - rate);
        //         view.setScaleY(view.getScaleX());
        //         view.setRotation(rate * 360);
        //     } else if(exitEff == Effect::ROTATE_R) {
        //         var rate = fff / (float) exitDur;
        //         view.setScaleX(1 - rate);
        //         view.setScaleY(view.getScaleX());
        //         view.setRotation(- rate * 360);
        //     }
        // } else resetEff();
        ff++;
    }
    void resetEff() {
        // view.setTranslationX(0);
        // view.setTranslationY(0);
        // view.setAlpha(1);
        // view.setScaleX(1);
        // view.setScaleY(1);
        // view.setRotation(0);
    }
};
struct Layer {
    std::vector<Source> srcs;
    int64_t endMilli = LLONG_MAX;
    int dur = 0;
    bool isLoop = 0;
};

struct Page {
    std::vector<Layer> layers;
    int64_t endMilli = LLONG_MAX;
    int sDur = 0, tDur = 0, repeatTimes = 0, audioDur = 0;

    void hide() {
        for(auto &layer : layers) for(auto &src : layer.srcs) src.hide();
    }

    void setMillis(int64_t milli) {
        endMilli = milli + sDur;
        for(auto &layer : layers) {
            if(layer.isLoop) layer.endMilli = milli + layer.dur;
            for(auto &src : layer.srcs) {
                src.endMilli = milli + src.endTime;
                src.startMilli = milli + src.startTime;
                if(src.startTime == 0) src.show();
            }
        }
    }
};

class PlayWin : public QWidget {
    Q_OBJECT
public:
    static PlayWin *self;
    static PlayWin *newIns(int width, int height, QString dir, const JValue &prog, QWidget *parent = nullptr);
    PlayWin(int x, int y, int width, int height, QString dir, const JValue &prog, QWidget *parent = nullptr);

    QOpenGLWidget *gl;
    int cur = 0;
    std::vector<Page> pages;
    std::vector<Page> avas;
    int curAva = 0, curTimes = 1;

    QPoint mPressRel;
    QMenu *menu;

    void doFrame();

protected:
    void mousePressEvent(QMouseEvent *) override;
    void mouseReleaseEvent(QMouseEvent *) override;
    void mouseMoveEvent(QMouseEvent *) override;
    void leaveEvent(QEvent *) override;
    void contextMenuEvent(QContextMenuEvent *) override;
    void closeEvent(QCloseEvent *) override;
};

#endif // PLAYWIN_H