/**
 * Creates a Animation object
 * @param apiAnimation GameLib.D3.API.Animation
 * @constructor
 */
GameLib.D3.Animation = function(
	apiAnimation
) {

    if (GameLib.Utils.UndefinedOrNull(apiAnimation)) {
        apiAnimation = {};
    }

	if (apiAnimation instanceof GameLib.D3.Animation) {
		return apiAnimation;
	}

    GameLib.D3.API.Animation.call(
        this,
        apiAnimation.id,
        apiAnimation.name,
        apiAnimation.rotationSpeed,
        apiAnimation.translationSpeed,
        apiAnimation.scaleSpeed,
        apiAnimation.rotationFn,
        apiAnimation.translationFn,
        apiAnimation.scaleFn,
        apiAnimation.blocking,
        apiAnimation.applyToMeshWhenDone,
        apiAnimation.meshes,
        apiAnimation.parentEntity
    );

    this.functionType = GameLib.D3.Animation.ANIMATION_FUNCTION_TYPE_ROTATION;

    this.editor = null;

    /**
     * This indicates whether an animation is currently in process - for blocking to take effect
     * @type {boolean}
     */
    this.inProcess = false;

    GameLib.Component.call(
        this,
        GameLib.Component.COMPONENT_ANIMATION,
        {
            'meshes' : [GameLib.D3.Mesh]
        }
    );
};

GameLib.D3.Animation.prototype = Object.create(GameLib.D3.API.Animation.prototype);
GameLib.D3.Animation.prototype.constructor = GameLib.D3.Animation;

GameLib.D3.Animation.ANIMATION_FUNCTION_TYPE_ROTATION       = 1;
GameLib.D3.Animation.ANIMATION_FUNCTION_TYPE_TRANSLATION    = 2;
GameLib.D3.Animation.ANIMATION_FUNCTION_TYPE_SCALE          = 3;

GameLib.D3.Animation.prototype.createInstance = function() {

    this.instance = {
        rotation : null,
        translation : null,
        scale : null
    };

    try {
        if (this.rotationFn) {
            this.instance.rotation = new Function(
                'data',
                this.rotationFn
            ).bind(this);
        }

        if (this.translationFn) {
            this.instance.translation = new Function(
                'data',
                this.translationFn
            ).bind(this);
        }

        if (this.scaleFn) {
            this.instance.scale = new Function(
                'data',
                this.scaleFn
            ).bind(this);
        }
    } catch (error) {
        console.error(error);
        this.publish(
            GameLib.Event.ANIMATION_COMPILE_FAILED,
            {
                component : this
            }
        )
    }

    GameLib.Component.prototype.createInstance.call(this);
};

/**
 * Updates the instance with the current state
 */
GameLib.D3.Animation.prototype.updateInstance = function() {

    try {

        if (this.rotationFn) {
            this.instance.rotation = new Function('data', this.rotationFn).bind(this);
            this.publish(
                GameLib.Event.ANIMATION_COMPILE_SUCCESS,
                {
                    component : this,
                    type : GameLib.D3.Animation.ANIMATION_FUNCTION_TYPE_ROTATION
                }
            )
        }

        if (this.translationFn) {
            this.instance.translation = new Function('data', this.translationFn).bind(this);
            this.publish(
                GameLib.Event.ANIMATION_COMPILE_SUCCESS,
                {
                    component : this,
                    type : GameLib.D3.Animation.ANIMATION_FUNCTION_TYPE_TRANSLATION
                }
            )
        }

        if (this.scaleFn) {
            this.instance.scale = new Function('data', this.scaleFn).bind(this);
            this.publish(
                GameLib.Event.ANIMATION_COMPILE_SUCCESS,
                {
                    component : this,
                    type : GameLib.D3.Animation.ANIMATION_FUNCTION_TYPE_SCALE
                }
            )
        }

	} catch (error) {
        console.error(error);
		this.publish(
			GameLib.Event.ANIMATION_COMPILE_FAILED,
			{
				component : this
			}
		)
	}
};

/**
 * Converts a GameLib.D3.Animation to a new GameLib.D3.API.Animation
 * @returns {GameLib.D3.API.Animation}
 */
GameLib.D3.Animation.prototype.toApiObject = function() {

    return new GameLib.D3.API.Animation(
        this.id,
        this.name,
        this.rotationSpeed,
        this.translationSpeed,
        this.scaleSpeed,
        this.rotationFn,
        this.translationFn,
        this.scaleFn,
        this.blocking,
        this.applyToMeshWhenDone,
        this.meshes.map(
            function(mesh) {
                return GameLib.Utils.IdOrNull(mesh);
            }
        ),
        GameLib.Utils.IdOrNull(this.parentEntity)
    );

};

/**
 * Converts from an Object Animation to a GameLib.D3.Animation
 * @param objectAnimation Object
 * @returns {GameLib.D3.Animation}
 * @constructor
 */
GameLib.D3.Animation.FromObject = function(objectAnimation) {
    var apiAnimation = GameLib.D3.API.Animation.FromObject(objectAnimation);
    return new GameLib.D3.Animation(
        apiAnimation
    );
};

GameLib.D3.Animation.prototype.launchEditor = function(){

    GameLib.Event.Emit(
        GameLib.Event.GET_CODER_IMPLEMENTATION,
        null,
        function(coder) {
            this.coder = coder;
            this.coder.isNotCodeMirrorThrow();
        }.bind(this)
    );

    var property = null;

    if (this.functionType === GameLib.D3.Animation.ANIMATION_FUNCTION_TYPE_ROTATION) {
        this.rotationFn = '//when the animation is complete, return true\nreturn true;';
        property = 'rotationFn';
    }

    if (this.functionType === GameLib.D3.Animation.ANIMATION_FUNCTION_TYPE_TRANSLATION) {
        this.translationFn = '//when the animation is complete, return true\nreturn true;';
        property = 'translationFn';
    }

    if (this.functionType === GameLib.D3.Animation.ANIMATION_FUNCTION_TYPE_SCALE) {
        this.scaleFn = '//when the animation is complete, return true\nreturn true;';
        property = 'scaleFn';
    }

    if (property) {
        this.editor = this.coder.instance(
            document.body,
            {
                value : this[property],
                mode : 'javascript',
                lineNumbers : true,
                scrollbarStyle : 'overlay'
            }
        );

        this.editor.on('change', function(){

            this[property] = this.editor.getValue();

            this.updateInstance();

        }.bind(this))
    } else {
        console.warn('invalid function type selected');
    }
};

GameLib.D3.Animation.prototype.closeEditor = function(){
	var dom = this.editor.getWrapperElement();
	dom.parentElement.removeChild(dom);
};

GameLib.D3.Animation.prototype.addMesh = function(mesh) {

    GameLib.Utils.PushUnique(this.meshes, mesh);

    GameLib.Event.Emit(
        GameLib.Event.ANIMATION_MESH_ADDED,
        {
            animation : this,
            mesh : mesh
        }
    )

};

GameLib.D3.Animation.prototype.removeMesh = function(mesh) {

    var index = this.meshes.indexOf(mesh);

    this.meshes.splice(index, 1);

    GameLib.Event.Emit(
        GameLib.Event.ANIMATION_MESH_REMOVED,
        {
            animation : this,
            mesh : mesh
        }
    )

};