var EHDI = EHDI || Object.create(null);

EHDI.components = EHDI.components || Object.create(null);

EHDI.components.NoteManager = function(stage) {
    this.notespeed = EHDI.GAME.sceneManager.getStageHeight () * 0.45;
    this.spawnOffset = 0.85 / 0.45;
    this.noteSheet = EHDI.Assets.cjAssets.getResult("notesheet")["notesheet"];
    this.notes = new Array(5);
    for(var i = 0; i < 5; i++) {
        this.notes[i] = []; 
    }
    this.stage = stage;
    this.hasSpawned = false;
    this.noteIndex = 0;
    this.miss = 0;
    this.songTimer = 0;
    this.recoveryCounter = 0;
    this.songDuration = EHDI.GAME.gameScene.song.duration;

    this.updateFunction = this.updateNotes.bind(this);
    EHDI.GAME.updateManager.addFrameListener(this.updateFunction);
};

EHDI.components.prototype = Object.create(null);

EHDI.components.NoteManager.prototype.updateNotes = function(dt) {
    if(this.isEndGame)
        return;
    if(EHDI.GAME.pauseButton.isPaused || EHDI.GAME.pauseButton.isEndGame) 
        return;
    this.updateSongTimer(dt);
    var time = this.songTimer / this.songDuration,
        initial = 1 + this.miss * 0.3;
    EHDI.GAME.gameScene.atmosphere.alpha = (1 - time) * initial;
    if(this.noteIndex < this.noteSheet.length && this.noteSheet[this.noteIndex].time - this.spawnOffset <=  Math.round(this.songTimer / 10) / 100) {
        this.spawnNotes(this.noteSheet[this.noteIndex].button, this.noteSheet.length && this.noteSheet[this.noteIndex].time - this.spawnOffset);
        this.noteIndex++;
    }
    /*if(!this.hasSpawned && Math.round(EHDI.GAME.gameScene.bgm.position  / 10) / 100 >= 0.5) {
        this.spawnNotes();
        this.hasSpawned = true;
    }*/
    for(var i = 0; i < this.notes.length; i++) {
        for(var j = 0; j < this.notes[i].length; j++) {
            this.notes[i][j].y = (this.songTimer  / 1000 - this.notes[i][j].spawnTime) * this.notespeed;
        }
        if(j === 4 && this.notes[i][0].y > EHDI.GAME.sceneManager.getStageHeight) {
            this.stage.removeChild(this.notes[4][0]);    
            this.notes[4].splice(0,1);
                
        } else if(this.notes[i].length > 0 && this.notes[i][0].y > EHDI.GAME.sceneManager.getStageHeight() *  0.89 && this.notes[i][0].state === "default") {
            this.notes[i][0].miss();
            EHDI.GAME.gameScene.buttons[i].error();
            this.miss++;
            EHDI.GAME.gameScene.smoke.animation.timeScale = 0.5 + this.miss * 0.15;
            if(this.miss === 3)
                EHDI.GAME.gameScene.atmosphere.alpha = 1;
            EHDI.GAME.gameScene.kingSaul.animation.gotoAndPlay("saul_hiterror" + this.miss, -1, -1, 1);
            EHDI.GAME.gameScene.kingSaul.number = this.miss;

            if(this.miss >= 3) {
                EHDI.GAME.gameScene.song.stop();
                EHDI.GAME.pauseButton.isEndGame = true;
               
                EHDI.GAME.pauseButton.hidePauseButton();
                setTimeout(EHDI.GAME.gameScene.goToEndScreen.bind(EHDI.GAME.gameScene), 500);
            }
            this.notes[4].push(this.notes[i].splice(0, 1)[0]);
           
        }
    }
};

EHDI.components.NoteManager.prototype.spawnNotes = function(index, time) {
    var note = new EHDI.components.Note(index, time);
    this.stage.addChild(note);
    this.notes[index].push(note);
};

EHDI.components.NoteManager.prototype.hitNote = function(index) {
    var stageHeight = EHDI.GAME.sceneManager.getStageHeight();
    if(this.notes[index].length > 0 && this.notes[index][0].y > stageHeight * 0.73 && this.notes[index][0].y <= stageHeight * 0.89 && this.notes[index][0].state === "default") {
        this.notes[index][0].hit();
        if(this.miss > 0)
            this.recoveryCounter++;
        if(this.recoveryCounter === 3) {
            this.recoveryCounter = 0;
            this.miss--;
            EHDI.GAME.gameScene.smoke.animation.timeScale = 0.5 + this.miss * 0.15;
            if(this.miss <= 0) {
                this.miss = 0;
                EHDI.GAME.gameScene.kingSaul.animation.gotoAndPlay("saul_default", -1, -1, 0);
            }
            else {
                EHDI.GAME.gameScene.kingSaul.animation.gotoAndPlay("saul_hiterror" + this.miss, -1, -1, 1);
                EHDI.GAME.gameScene.kingSaul.number = this.miss;
            }
        }
        
        if(this.notes[index][0].y > stageHeight * 0.84 && this.notes[index][0].y <= stageHeight * 0.89) {
            this.stage.removeChild(this.notes[index][0]);
            this.notes[index].splice(0, 1);
            EHDI.GAME.scoreManager.addScore(10);
            return "perfect";
        } else {
            this.stage.removeChild(this.notes[index][0]);
            this.notes[index].splice(0, 1);
            EHDI.GAME.scoreManager.addScore(5);
            return "good";
        }
    } else {
        EHDI.GAME.gameScene.buttons[index].error();
        this.miss++;
        EHDI.GAME.gameScene.smoke.animation.timeScale = 0.5 + this.miss * 0.15;
        if(this.miss === 3)
            EHDI.GAME.gameScene.atmosphere.alpha = 1;
        EHDI.GAME.gameScene.kingSaul.animation.gotoAndPlay("saul_hiterror" + this.miss, -1, -1, 1);
        EHDI.GAME.gameScene.kingSaul.number = this.miss;

        if(this.miss >= 3) {
            EHDI.GAME.gameScene.song.stop();
            EHDI.GAME.pauseButton.isEndGame = true;
            EHDI.GAME.pauseButton.hidePauseButton();
            setTimeout(EHDI.GAME.gameScene.goToEndScreen.bind(EHDI.GAME.gameScene), 500);
        }   
    }
    
    return false;
};

EHDI.components.NoteManager.prototype.updateSongTimer = function(dt) {
    this.songTimer += dt;
    if(EHDI.GAME.gameScene.song.position !== this.lastPlayHeadPosition) {
        this.songTimer = (this.songTimer + EHDI.GAME.gameScene.song.position) / 2;
        this.lastPlayHeadPosition = EHDI.GAME.gameScene.song.position;
        if(EHDI.GAME.gameScene.song.position === 0) {
            this.songTimer = 0;
        } 
    } 
}

EHDI.components.NoteManager.prototype.dispose = function() {
    EHDI.GAME.updateManager.removeFrameListener(this.updateFunction);
}