//Augment Module
var ITW = (function(itw){
    "use strict";
    //aliases
    var components, protot;
    itw.components = itw.components || Object.create(null);
    components = itw.components;

    components.Anchor = function(){
        this.super.call(this);

        var _init = function(){
            // init stuff here
            this._speed = 0;
            this._moveDown = false;

            this._sprMain = new EHDI.aka.Sprite( EHDI.Assets.images[ "anchor" ] );

            //this._sprMain.scale.set( 0.75 );

            this._sprMain.x = this._sprMain.width * -0.5;
            this._sprMain.y = this._sprMain.height * -0.5;

            var texLine = EHDI.Assets.images[ "anchor_rope_tile" ];
            var lineSize = new EHDI.aka.Sprite( texLine );

            //this._lineHeight = lineSize.height;
            this._lineHeight = ITW.SceneMgr.getStageHeight() * 0.5;

            this._sprLine = new PIXI.extras.TilingSprite( texLine, lineSize.width, lineSize.height );
            this._sprLine.anchor.y = 1.0;
            this._sprLine.height = this._lineHeight;
            this._sprLine.x = lineSize.width * -0.5;
            this._sprLine.y = this._sprMain.y - ( this._lineHeight * 0.95 );

            this._sprHole = new EHDI.aka.Sprite( EHDI.Assets.images[ "anchor_hole" ] );
            this._sprHole.x = this._sprHole.width * -0.5;
            this._sprHole.y = this._sprLine.y - this._lineHeight - this._sprHole.height * 0.5;

            this.addChild( this._sprHole );
            this.addChild( this._sprMain );
            this.addChild( this._sprLine );

            this.x = -( this._sprMain.width * 0.5 );

            this._active = false;
            this._bindedfunction = this.loop.bind(this);
            ITW.UpdateMgr.addFrameListener( this._bindedfunction );
        }.bind(this);
        _init();
    }

    protot = components.Anchor.prototype = Object.create(EHDI.aka.Container.prototype);
    protot.constructor = components.Anchor;
    protot.super = EHDI.aka.Container;

    protot.loop = function( dt ){
        if( ITW.GameMgr.getPaused() === true ) return;
        if( ITW.GameMgr.getGameOver() === true ){
            if( typeof this._bindedfunction === 'function' ) ITW.UpdateMgr.removeFrameListener( this._bindedfunction );
            return;
        }
        if( this._active === false ) return;
        dt *= 0.001;

        if( this.x > ITW.SceneMgr.getStageWidth() * 0.85 ){
            this._sprMain.x = ( this._sprMain.width * -0.5 ) + Math.floor( EHDI.NumberUtil.randomRange(-4, 5) );
            return;
        }
        if( this._sprMain.x !== this._sprMain.width * -0.5 ) this._sprMain.x - this._sprMain.width * -0.5

        if( this._moveDown === false ){
            if( this._sprLine.height <= this._lineHeight * 0.15 ){
                this._sprLine.height = this._lineHeight * 0.15;
                this._active = false;
            }
            else{
                this._sprMain.y -= dt * this._speed;
                this._sprLine.height -= dt * this._speed;
                this._sprLine.y -= dt * this._speed;
            }
        }
        else{
            if( this._sprLine.height >= this._lineHeight ){
                this._sprLine.height = this._lineHeight;
                this._active = false;
            }
            else{
                this._sprMain.y += dt * this._speed;
                this._sprLine.height += dt * this._speed;
                this._sprLine.y += dt * this._speed;
            }
        }
    }

    protot.getCollisionArea = function(){
        return {
            //x: ( ( this.toGlobal( this._sprMain.position ).x / ITW.ScaleMgr.getScale() ) + ( this._sprMain.width * 0.49 ) ),
            //y: ( ( this.toGlobal( this._sprMain.position ).y / ITW.ScaleMgr.getScale() ) + ( this._sprMain.height * 0.55 ) ),
            x: ( ( this.toGlobal( this._sprMain.position ).x / ITW.scaleRatio ) + ( this._sprMain.width * 0.49 ) ),
            y: ( ( this.toGlobal( this._sprMain.position ).y / ITW.scaleRatio ) + ( this._sprMain.height * 0.55 ) ),
            r: ( this._sprMain.width * 0.41 )
        };
    }

    protot.resetState = function(){
        var startHeight = ( EHDI.NumberUtil.randomRange(0.0, 1.0) > 0.5 ) ? 0.15 : 1.0;
        this._sprLine.height = this._lineHeight * startHeight;
        //this._sprLine.y -= this._lineHeight * ( 1.0 - startHeight );
        this._sprLine.y = this._sprHole.y + ( this._sprHole.height * 0.5 ) + this._sprLine.height;
        this._sprMain.y = this._sprLine.y;

        if( ITW.GameMgr.getScore() > 24 ){
            if( EHDI.NumberUtil.randomRange(0.0, 1.0) > 0.45 ) return;

            this._speed = ITW.GameMgr.getSpeed() * 0.325;
            if( startHeight > 0.5 ){
                this._moveDown = false;
            }
            else{
                this._moveDown = true;
            }

            this._active = true;
            var snd = ITW.SoundMgr.playSFX("anchor_move");
            snd.stop();
            snd.play(null, 800);
        }

        if( ITW.GameMgr.getDebug() === true ){
            if( typeof this.pixiCircle !== "undefined" ){
                if( this.pixiCircle.parent !== null ) this.removeChild( this.pixiCircle );
            }

            this.pixiCircle = new EHDI.aka.Graphics();
            this.pixiCircle.beginFill( 0xFF00FF, 0.5 );
            this.pixiCircle.drawCircle( ( this._sprMain.x + ( this._sprMain.width * 0.49 ) ),
                                        ( this._sprMain.y + ( this._sprMain.height * 0.55 ) ),
                                        ( this._sprMain.width * 0.41 ) );   //(x,y,radius)
            this.pixiCircle.endFill();
            this.addChild( this.pixiCircle );
        }
    }

    protot.destroy = function(){
        if( typeof this._bindedfunction === 'function' ) ITW.UpdateMgr.removeFrameListener( this._bindedfunction );
        this.super.prototype.destroy.call( this, {children: true} );
    }

    return itw;
}(ITW || Object.create(null)));