define([
    "Game/" + GLOBALS.context + "/Physics/Doll",
    "Game/Config/Settings"
],

function (Doll, Settings) {

    function Player (id, physicsEngine) {
        this.physicsEngine = physicsEngine;
        this.id = id;
        this.standing = false;
        this.doll;
        this.mc;
        this.currentAnimationState = 'stand';
        this.lookDirection = 1;
        this.moveDirection = 0;
        this.isSpawned = false;
        this.playerController = null;
    }

    Player.prototype.spawn = function (x, y) {
        this.doll = new Doll(this.physicsEngine, this);
        this.doll.spawn(x, y);
        this.isSpawned = true;
    }

    Player.prototype.getDoll = function () {
        return this.doll;
    }

    Player.prototype.getBody = function () {
        return this.doll.getBody();
    }

    Player.prototype.getPosition = function () {
        return this.getBody().GetPosition();
    }

    Player.prototype.setStanding = function (isStanding) {
        var resetStates = ['jump', 'jumploop'];
        if (resetStates.indexOf(this.currentAnimationState)>=0 && !this.standing && isStanding) {
            this.animate('stand');
        }
        this.standing = isStanding;
    }

    Player.prototype.isStanding = function () {
        return this.standing;
    }

    Player.prototype.move = function (direction) {
        this.moveDirection = direction;
        
        switch(true) {
            case direction == this.lookDirection && this.isStanding():
                this.doll.move(direction, Settings.RUN_SPEED);
                break;

            case !this.isStanding():
                this.doll.move(direction, Settings.FLY_SPEED);
                break;

            default:
                this.doll.move(direction, Settings.WALK_SPEED);
                break;
        }

        if (this.isStanding()) {
            this.animate(this.calculateWalkAnimation());
        }
    }

    Player.prototype.stop = function () {
        this.moveDirection = 0;
        this.doll.stop();
        if (this.isWalking() || this.standing) {
            this.animate('stand');
        }
    }

    Player.prototype.jump = function () {
        if (this.isStanding()) {
            this.doll.jump();
            this.animate('jump');
            this.setStanding(false);
        }
    }

    Player.prototype.jumping = function () {
        if (!this.isStanding()) {
            this.doll.jumping();
        }
    }

    Player.prototype.duck = function () {
        if (this.standing && !this.isWalking()) {
            this.animate('duck');
        }
    }

    Player.prototype.standUp = function () {
        if (this.standing) {
            this.animate('standup');
        }
    }

    Player.prototype.animate = function (type) {
        if (type == this.currentAnimationState) {
            return;
        }

        this.currentAnimationState = type;
    }

    Player.prototype.calculateWalkAnimation = function () {
        if (this.moveDirection == this.lookDirection) {
            return 'run';
        } 
        return 'walkback';
    }

    Player.prototype.look = function (x, y) {
        /*
        var degree = Math.atan2(Settings.STAGE_WIDTH / 2 - x, Settings.STAGE_HEIGHT / 2 - 25 - y) / (Math.PI / 180);
        var lastLookDirection = this.lookDirection;

        if (x < Settings.STAGE_WIDTH / 2) {
            this.mc.scaleX = -1;
            this.lookDirection = -1;
            degree = (-45 + degree / 2);
            this.mc.head.rotation = degree;
        } else if (x >= Settings.STAGE_WIDTH / 2) {
            this.mc.scaleX = 1;
            this.lookDirection = 1;
            degree = (45 + -degree / 2) - 90;
            this.mc.head.rotation = degree;
        }

        if (this.lookDirection != lastLookDirection && this.isWalking()) {
            this.animate(this.calculateWalkAnimation());
        }*/
    }

    Player.prototype.isWalking = function () {
        var states = ['walk', 'walkback', 'run'];

        if (states.indexOf(this.currentAnimationState) >= 0) {
            return true;
        }
        return false;
    }

    // called by CollisionDetection
    Player.prototype.onFootSensorDetection = function (isColliding) {
        if(isColliding) {
            if(this.doll.getBody().GetLinearVelocity().y < -Settings.JUMP_SPEED && !this.isStanding()) {
                return;
            }
            this.setStanding(true);
        } else {
            // TODO This needs some more thought to it.
            // maybe take a look at collision groups for collision detection, 
            // to group all tiles together

            //this.setStanding(false);
            //this.animate('jumploop');
        }
    }

    Player.prototype.update = function () {
        //this.mc.head.y = this.mc.head_posmask.y;

        if (this.doll.getBody().GetLinearVelocity().x == 0 && this.isWalking()) {
            this.stop();
        }

        if (!this.doll.getBody().IsAwake() && !this.isStanding()) {
            this.setStanding(true);
        }

        if(this.playerController) {
            this.playerController.update();
        }
    }

    Player.prototype.destroy = function () {
        this.doll.destroy();
    }

    Player.prototype.setPlayerController = function(playerController) {
        this.playerController = playerController;
    }

    return Player;
});