/**
 * Input parent class
 * @param graphics R3.D3.Graphics
 * @param apiInputDrive R3.D3.API.Input.Drive
 * @param dom R3.Dom
 * @constructor
 */
R3.D3.Input.Drive = function (
    graphics,
    apiInputDrive,
    dom
) {

    this.graphics = graphics;
    this.graphics.isNotThreeThrow();

    if (R3.Utils.UndefinedOrNull(apiInputDrive)) {
        apiInputDrive = {};
    }

	if (apiInputDrive instanceof R3.D3.Drive) {
		return apiInputDrive;
	}

    R3.D3.API.Input.Drive.call(
        this,
        apiInputDrive.id,
        apiInputDrive.name,
        apiInputDrive.domElementId,
        apiInputDrive.pathFollowingComponent,
        apiInputDrive.parentEntity,
        apiInputDrive.wheelFL,
        apiInputDrive.wheelFR,
        apiInputDrive.wheelRL,
        apiInputDrive.wheelRR,
        apiInputDrive.heightOffset,
        apiInputDrive.distance,
        apiInputDrive.distanceGrain,
        apiInputDrive.rotationFactor
    );

    if (R3.Utils.UndefinedOrNull(dom)) {
        console.warn('Cannot create Input without an handle to the DOM');
        throw new Error('Cannot create Input without an handle to the DOM');
    }
    this.dom = dom;

    this.keyLeft = false;

    this.keyRight = false;

    R3.Component.call(
        this,
        R3.Component.COMPONENT_INPUT_DRIVE,
        {
            'pathFollowingComponent' : R3.D3.PathFollowing,
            'wheelFL'                : R3.D3.Mesh,
            'wheelFR'                : R3.D3.Mesh,
            'wheelRL'                : R3.D3.Mesh,
            'wheelRR'                : R3.D3.Mesh
        }
    );
};

R3.D3.Input.Drive.prototype = Object.create(R3.D3.API.Input.Drive.prototype);
R3.D3.Input.Drive.prototype.constructor = R3.D3.Input.Drive;

R3.D3.Input.Drive.prototype.createInstance = function(update) {

    if (update) {
        return this.instance;
    }

    var instance = this.dom.document.getElementById(this.domElementId);

    instance.addEventListener(
        'keydown',
        function(keyboardEvent) {
            if (keyboardEvent.key == 'j') {
                this.keyLeft = true;
            }

            if (keyboardEvent.key == 'l') {
                this.keyRight = true;
            }
        }.bind(this),
        false
    );

    instance.addEventListener(
        'keyup',
        function(keyboardEvent) {
            if (keyboardEvent.key == 'j') {
                this.keyLeft = false;
            }

            if (keyboardEvent.key == 'l') {
                this.keyRight = false;
            }
        }.bind(this),
        false
    );

    return instance;
};

R3.D3.Input.Drive.prototype.updateInstance = function() {
    this.instance = this.createInstance(true);
};

/**
 * R3.D3.Input.Drive to R3.D3.API.Input.Drive
 * @returns {R3.D3.API.Input.Drive}
 */
R3.D3.Input.Drive.prototype.toApiObject = function() {

    var apiInputDrive = new R3.D3.API.Input.Drive(
        this.id,
        this.name,
        this.domElementId,
        R3.Utils.IdOrNull(this.pathFollowingComponent),
        R3.Utils.IdOrNull(this.parentEntity),
        R3.Utils.IdOrNull(this.wheelFL),
        R3.Utils.IdOrNull(this.wheelFR),
        R3.Utils.IdOrNull(this.wheelRL),
        R3.Utils.IdOrNull(this.wheelRR),
        this.heightOffset,
        this.distance,
        this.distanceGrain,
        this.rotationFactor
    );

    return apiInputDrive;
};

R3.D3.Input.Drive.FromObject = function(graphics, objectComponent) {

    var apiInputDrive = R3.D3.API.Input.Drive.FromObject(objectComponent);

    return new R3.D3.Input.Drive(
        graphics,
        apiInputDrive
    );
};

R3.D3.Input.Drive.prototype.update = function(deltaTime) {
    if (this.pathFollowingComponent) {

        this.pathFollowingComponent.mesh.localPosition.x = (this.heightOffset * this.pathFollowingComponent.rotationMatrix.up.x);
        this.pathFollowingComponent.mesh.localPosition.y = (this.heightOffset * this.pathFollowingComponent.rotationMatrix.up.y);
        this.pathFollowingComponent.mesh.localPosition.z = (this.heightOffset * this.pathFollowingComponent.rotationMatrix.up.z);

        if (this.keyLeft) {
            this.distance -= this.distanceGrain;
        }

        if (this.keyRight) {
            this.distance += this.distanceGrain;
        }

        this.pathFollowingComponent.mesh.localPosition.x += (this.distance * this.pathFollowingComponent.rotationMatrix.left.x);
        this.pathFollowingComponent.mesh.localPosition.y += (this.distance * this.pathFollowingComponent.rotationMatrix.left.y);
        this.pathFollowingComponent.mesh.localPosition.z += (this.distance * this.pathFollowingComponent.rotationMatrix.left.z);

        this.wheelFL.localRotation.x += this.rotationFactor * this.pathFollowingComponent.currentSpeed;
        this.wheelFR.localRotation.x += this.rotationFactor * this.pathFollowingComponent.currentSpeed;

        this.wheelFL.localRotation.x += this.rotationFactor * this.pathFollowingComponent.currentSpeed;
        this.wheelFR.localRotation.x += this.rotationFactor * this.pathFollowingComponent.currentSpeed;

        this.wheelRL.localRotation.x += this.rotationFactor * this.pathFollowingComponent.currentSpeed;
        this.wheelRR.localRotation.x += this.rotationFactor * this.pathFollowingComponent.currentSpeed;
    }
};