MMI.Util.ns( 'Osg.RiverBloat' );

Osg.RiverBloat = MMI.stdClass.extend({
    _reefEntryPoint: [ 180, 110 ],
    _currentDropSpeed: 3000,

    __construct: function( options ) {
        options = jQuery.extend({
            isGood: false,
            listKey: 0,
            destructorCallback: function(){}
        }, options);
        this._isGood = options.isGood;
        this._listKey = options.listKey;
        this._destructorCallback = options.destructorCallback;

        this._jqelRiverBloat = jQuery( '<img class= "riverBloat" src= "'+ this._getImageSrc() +'" alt= "River bloat" />' );
        if( this._isGood ){
            this._jqelRiverBloat.addClass( 'good' )
        } else {
            this._jqelRiverBloat.addClass( 'bad' )
        }

        jQuery( '#gameScreen' ).append( this._jqelRiverBloat );
        this._animateIn();
    },
    _getImageSrc: function(){
        var imageUrlBase = 'images/';
        var randomizedNumber = Math.round( Math.random() * 10 );
        var completedImageUrl;

        if ( this.isGood() ) {
            completedImageUrl = imageUrlBase + 'good-bloat' + ( randomizedNumber % 3 + 1 ) + '.png';
        } else {
            completedImageUrl = imageUrlBase + 'bad-bloat' + ( randomizedNumber % 5 + 1 ) + '.png';
        }

        return completedImageUrl;
    },
    isGood: function(){
        return this._isGood;
    },
    isBad: function(){
        return !this._isGood;
    },
    _animateIn: function(){
        this._jqelRiverBloat.addClass( 'visibleBlock' ).animate(
            {
                left: this._reefEntryPoint[ 0 ],
                top: this._reefEntryPoint[ 1 ]
            },{
                duration: 700,
                easing: 'linear',
                complete: MMI.Util.bind( this._moveToDropPoint, this )
            }
        );
    },
    _moveToDropPoint: function(){
        this._bob();
        var dropPoint = Math.round( Math.random() * ( 550 - this._jqelRiverBloat.width() ));
        this._jqelRiverBloat.animate(
            { left: dropPoint },
            {
                duration: 500,
                complete: MMI.Util.bind( this._drop, this )
            }
        );
    },
    _bob: function(){
        var offset = 10;
        var direction = this._jqelRiverBloat.data( 'direction' );

        if( direction != 1 ){
            direction = -1;
        }

        var coords = { top: ( this._jqelRiverBloat.position().top + ( direction * offset )) + 'px' };
        this._jqelRiverBloat.data( 'direction', -1 * direction );
        this._jqelRiverBloat.animate(
            coords,
            {
                duration:  500,
                easing: 'linear',
                queue: false
            }
        );
    },
    _drop: function(){
        this._jqelRiverBloat.animate(
            { top: this._jqelRiverBloat.parent().height() },
            {
                duration: this._currentDropSpeed,
                complete: MMI.Util.bind( this.__destruct, this )
            }
        );
    },
    getListKey: function(){
        return this._listKey;
    },
    eject: function(){
        this._jqelRiverBloat.stop();
        this._jqelRiverBloat.animate(
            {
                top: 0 - this._jqelRiverBloat.height(),
                left: Math.random() * 400
            },
            {
                duration: 250,
                easing: 'linear',
                complete: MMI.Util.bind( this.__destruct, this )
            }
        );
    },
    __destruct: function(){
        var app = MMI.App.getInstance();

        if( this.isBad() && this._jqelRiverBloat.position().top >= 400 ){
            app.player1.decreaseScore();
            app.chumWater();
        } else if ( this.isGood() && this._jqelRiverBloat.position().top >= 400 ) {
            app.player1.increaseScore( 'saved' );
            app.player1.increaseScore( 'score' );
        }

        this._jqelRiverBloat.remove();

        this._destructorCallback( this );
    }
});