/**
 * Raw Mesh API object - should always correspond with the Mesh Schema
 * @param id
 * @param meshType
 * @param name
 * @param vertices GameLib.D3.Vertex[]
 * @param faces GameLib.D3.Face[]
 * @param materials GameLib.D3.API.Material[]
 * @param parentMesh
 * @param parentScene
 * @param skeleton
 * @param skinIndices
 * @param skinWeights
 * @param position GameLib.API.Vector3
 * @param quaternion GameLib.API.Quaternion
 * @param scale GameLib.API.Vector3
 * @param up
 * @param modelMatrix GameLib.API.Matrix4
 * @param parentEntity
 * @param renderOrder
 * @param isBufferMesh
 * @constructor
 */
GameLib.D3.API.Mesh = function(
    id,
    meshType,
    name,
    vertices,
    faces,
    materials,
    parentMesh,
    parentScene,
    skeleton,
    skinIndices,
    skinWeights,
    position,
    quaternion,
    scale,
    up,
    modelMatrix,
    parentEntity,
    renderOrder,
    isBufferMesh
) {
    if (GameLib.Utils.UndefinedOrNull(id)) {
        id = GameLib.Utils.RandomId();
    }
    this.id = id;

    if (GameLib.Utils.UndefinedOrNull(meshType)) {
        meshType = GameLib.D3.Mesh.MESH_TYPE_NORMAL;
    }
    this.meshType = meshType;

    if (GameLib.Utils.UndefinedOrNull(name)) {
        name = 'Mesh (' + id + ')';
    }
    this.name = name;

    if (GameLib.Utils.UndefinedOrNull(vertices)) {
        vertices = [];
    }
    this.vertices = vertices;

    if (GameLib.Utils.UndefinedOrNull(faces)) {
        faces = [];
    }
    this.faces = faces;

    if (GameLib.Utils.UndefinedOrNull(parentMesh)) {
        parentMesh = null;
    }
    this.parentMesh = parentMesh;

    if (GameLib.Utils.UndefinedOrNull(parentScene)) {
        parentScene = null;
    }
    this.parentScene = parentScene;

    if (GameLib.Utils.UndefinedOrNull(skeleton)) {
        skeleton = null;
    }
    this.skeleton = skeleton;

    if (GameLib.Utils.UndefinedOrNull(skinIndices)) {
        skinIndices = [];
    }
    this.skinIndices = skinIndices;

    if (GameLib.Utils.UndefinedOrNull(skinWeights)) {
        skinWeights = [];
    }
    this.skinWeights = skinWeights;

    if (GameLib.Utils.UndefinedOrNull(materials) || (materials instanceof Array && materials.length === 0)) {
        materials = [new GameLib.D3.API.Material(null, GameLib.D3.Material.MATERIAL_TYPE_STANDARD, 'Material (' + this.name + ')')];
    }
    this.materials = materials;

    if (GameLib.Utils.UndefinedOrNull(position)) {
        position = new GameLib.API.Vector3(0,0,0);
    }
    this.position = position;

    if (GameLib.Utils.UndefinedOrNull(quaternion)) {
        quaternion = new GameLib.API.Quaternion();
    }
    this.quaternion = quaternion;

    if (GameLib.Utils.UndefinedOrNull(scale)) {
        scale = new GameLib.API.Vector3(1,1,1);
    }
    this.scale = scale;

    if (GameLib.Utils.UndefinedOrNull(up)) {
        up = new GameLib.API.Vector3(0,1,0);
    }
    this.up = up;

    if (GameLib.Utils.UndefinedOrNull(modelMatrix)) {
        modelMatrix = new GameLib.API.Matrix4();
    }
    this.modelMatrix = modelMatrix;

    if (GameLib.Utils.UndefinedOrNull(renderOrder)) {
        renderOrder = 0;
    }
    this.renderOrder = renderOrder;

	if (GameLib.Utils.UndefinedOrNull(parentEntity)) {
		parentEntity = null;
	}
	this.parentEntity = parentEntity;

	if (GameLib.Utils.UndefinedOrNull(isBufferMesh)) {
		isBufferMesh = false;
    }
    this.isBufferMesh = isBufferMesh;
};

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

/**
 * Returns an API Mesh from an Object mesh
 * @param objectMesh
 * @constructor
 */
GameLib.D3.API.Mesh.FromObject = function (objectMesh){

    var apiFaces = [];
    if (objectMesh.faces) {
        apiFaces = objectMesh.faces.map(
            function(face) {
                return  GameLib.D3.API.Face.FromObject(face);
            }
        );
    }

    var apiSkeleton = null;
    if (objectMesh.skeleton) {
        apiSkeleton = GameLib.D3.API.Skeleton.FromObject(objectMesh.skeleton);
    }

    var apiMaterials = [];
    if (objectMesh.materials) {
        apiMaterials = objectMesh.materials.map(
            function (objectMaterial) {
                /**
                 * From blender we only get Ids to materials (strings)
                 */
                if (objectMaterial instanceof Object) {
                    return GameLib.D3.API.Material.FromObject(objectMaterial);
                } else {
                    return objectMaterial
                }
            }
        )
    }

    var apiVertices = [];
    if (objectMesh.vertices) {
        apiVertices = objectMesh.vertices.map(
            function (objectVertex) {
                return GameLib.D3.API.Vertex.FromObject(objectVertex);
            }
        )
    }

    var apiPosition = new GameLib.API.Vector3();
    if (objectMesh.position) {
        apiPosition = GameLib.API.Vector3.FromObject(objectMesh.position);
    }

    var apiQuaternion = new GameLib.API.Quaternion();
    if (objectMesh.quaternion) {
        apiQuaternion = GameLib.API.Quaternion.FromObject(objectMesh.quaternion);
    }

    var apiScale = new GameLib.API.Vector3(1,1,1);
    if (objectMesh.scale) {
        apiScale = GameLib.API.Vector3.FromObject(objectMesh.scale);
    }

    var apiUp = new GameLib.API.Vector3(0,1,0);
    if (objectMesh.up) {
        apiUp = GameLib.API.Vector3.FromObject(objectMesh.up);
    }

    var apiModelMatrix = new GameLib.API.Matrix4();
    if (objectMesh.modelMatrix) {
        apiModelMatrix = GameLib.API.Matrix4.FromObject(objectMesh.modelMatrix);
    }

    return new GameLib.D3.API.Mesh(
        objectMesh.id,
        objectMesh.meshType,
        objectMesh.name,
        apiVertices,
		apiFaces,
        apiMaterials,
        objectMesh.parentMesh,
        objectMesh.parentScene,
        apiSkeleton,
        objectMesh.skinIndices,
        objectMesh.skinWeights,
        apiPosition,
        apiQuaternion,
        apiScale,
        apiUp,
        apiModelMatrix,
        objectMesh.parentEntity,
        objectMesh.renderOrder,
        objectMesh.isBufferMesh
    );
};