import { Vector3 } from './../math/Vector3';
import { Euler } from './../math/Euler';
import { Quaternion } from './../math/Quaternion';
import { Matrix4 } from './../math/Matrix4';
import { Matrix3 } from './../math/Matrix3';
import { Layers } from './Layers';
import { WebGLRenderer } from './../renderers/WebGLRenderer';
import { Scene } from './../scenes/Scene';
import { Camera } from './../cameras/Camera';
import { Material } from './../materials/Material';
import { Group } from './../objects/Group';
import { Intersection, Raycaster } from './Raycaster';
import { EventDispatcher, BaseEvent, Event } from './EventDispatcher';
import { BufferGeometry } from './BufferGeometry';
import { AnimationClip } from '../animation/AnimationClip';

/**
 * Base class for scene graph objects
 */
export class Object3D<E extends BaseEvent = Event> extends EventDispatcher<E> {
	constructor();

	/**
	 * Unique number of this object instance.
	 */
	id: number;

	uuid: string;

	/**
	 * Optional name of the object (doesn't need to be unique).
	 * @default ''
	 */
	name: string;

	/**
	 * @default 'Object3D'
	 */
	type: string;

	/**
	 * Object's parent in the scene graph.
	 * @default null
	 */
	parent: Object3D | null;

	/**
	 * Array with object's children.
	 * @default []
	 */
	children: Object3D[];

	/**
	 * Up direction.
	 * @default THREE.Object3D.DefaultUp.clone()
	 */
	up: Vector3;

	/**
	 * Object's local position.
	 * @default new THREE.Vector3()
	 */
	readonly position: Vector3;

	/**
	 * Object's local rotation (Euler angles), in radians.
	 * @default new THREE.Euler()
	 */
	readonly rotation: Euler;

	/**
	 * Object's local rotation as a Quaternion.
	 * @default new THREE.Quaternion()
	 */
	readonly quaternion: Quaternion;

	/**
	 * Object's local scale.
	 * @default new THREE.Vector3()
	 */
	readonly scale: Vector3;

	/**
	 * @default new THREE.Matrix4()
	 */
	readonly modelViewMatrix: Matrix4;

	/**
	 * @default new THREE.Matrix3()
	 */
	readonly normalMatrix: Matrix3;

	/**
	 * Local transform.
	 * @default new THREE.Matrix4()
	 */
	matrix: Matrix4;

	/**
	 * The global transform of the object. If the Object3d has no parent, then it's identical to the local transform.
	 * @default new THREE.Matrix4()
	 */
	matrixWorld: Matrix4;

	/**
	 * When this is set, it calculates the matrix of position, (rotation or quaternion) and scale every frame and also
	 * recalculates the matrixWorld property.
	 * @default THREE.Object3D.DefaultMatrixAutoUpdate
	 */
	matrixAutoUpdate: boolean;

	/**
	 * When this is set, it calculates the matrixWorld in that frame and resets this property to false.
	 * @default false
	 */
	matrixWorldNeedsUpdate: boolean;

	/**
	 * @default new THREE.Layers()
	 */
	layers: Layers;

	/**
	 * Object gets rendered if true.
	 * @default true
	 */
	visible: boolean;

	/**
	 * Gets rendered into shadow map.
	 * @default false
	 */
	castShadow: boolean;

	/**
	 * Material gets baked in shadow receiving.
	 * @default false
	 */
	receiveShadow: boolean;

	/**
	 * When this is set, it checks every frame if the object is in the frustum of the camera before rendering the object.
	 * If set to false the object gets rendered every frame even if it is not in the frustum of the camera.
	 * @default true
	 */
	frustumCulled: boolean;

	/**
	 * Overrides the default rendering order of scene graph objects, from lowest to highest renderOrder.
	 * Opaque and transparent objects remain sorted independently though.
	 * When this property is set for an instance of Group, all descendants objects will be sorted and rendered together.
	 * @default 0
	 */
	renderOrder: number;

	/**
	 * Array with animation clips.
	 * @default []
	 */
	animations: AnimationClip[];

	/**
	 * An object that can be used to store custom data about the Object3d. It should not hold references to functions as these will not be cloned.
	 * @default {}
	 */
	userData: { [key: string]: any };

	/**
	 * Custom depth material to be used when rendering to the depth map. Can only be used in context of meshes.
	 * When shadow-casting with a DirectionalLight or SpotLight, if you are (a) modifying vertex positions in
	 * the vertex shader, (b) using a displacement map, (c) using an alpha map with alphaTest, or (d) using a
	 * transparent texture with alphaTest, you must specify a customDepthMaterial for proper shadows.
	 */
	customDepthMaterial: Material;

	/**
	 * Same as customDepthMaterial, but used with PointLight.
	 */
	customDistanceMaterial: Material;

	/**
	 * Used to check whether this or derived classes are Object3Ds. Default is true.
	 * You should not change this, as it is used internally for optimisation.
	 */
	readonly isObject3D: true;

	/**
	 * Calls before rendering object
	 */
	onBeforeRender: (renderer: WebGLRenderer, scene: Scene, camera: Camera, geometry: BufferGeometry, material: Material, group: Group) => void;

	/**
	 * Calls after rendering object
	 */
	onAfterRender: (renderer: WebGLRenderer, scene: Scene, camera: Camera, geometry: BufferGeometry, material: Material, group: Group) => void;

	static DefaultUp: Vector3;
	static DefaultMatrixAutoUpdate: boolean;

	/**
	 * Applies the matrix transform to the object and updates the object's position, rotation and scale.
	 */
	applyMatrix4(matrix: Matrix4): void;

	/**
	 * Applies the rotation represented by the quaternion to the object.
	 */
	applyQuaternion(quaternion: Quaternion): this;

	/**
	 * axis -- A normalized vector in object space.
	 * angle -- angle in radians
	 * @param axis A normalized vector in object space.
	 * @param angle angle in radians
	 */
	setRotationFromAxisAngle(axis: Vector3, angle: number): void;

	/**
	 * Calls setRotationFromEuler(euler) on the .quaternion.
	 * @param euler Euler angle specifying rotation amount.
	 */
	setRotationFromEuler(euler: Euler): void;

	/**
	 * Calls setFromRotationMatrix(m) on the .quaternion.
	 *
	 * Note that this assumes that the upper 3x3 of m is a pure rotation matrix (i.e, unscaled).
	 * @param m rotate the quaternion by the rotation component of the matrix.
	 */
	setRotationFromMatrix(m: Matrix4): void;

	/**
	 * Copy the given quaternion into .quaternion.
	 * @param q normalized Quaternion
	 */
	setRotationFromQuaternion(q: Quaternion): void;

	/**
	 * Rotate an object along an axis in object space. The axis is assumed to be normalized.
	 * @param axis	A normalized vector in object space.
	 * @param angle	The angle in radians.
	 */
	rotateOnAxis(axis: Vector3, angle: number): this;

	/**
	 * Rotate an object along an axis in world space. The axis is assumed to be normalized. Method Assumes no rotated parent.
	 * @param axis	A normalized vector in object space.
	 * @param angle	The angle in radians.
	 */
	rotateOnWorldAxis(axis: Vector3, angle: number): this;

	/**
	 * Rotates the object around x axis in local space.
	 * @param angle the angle to rotate in radians.
	 */
	rotateX(angle: number): this;

	/**
	 * Rotates the object around y axis in local space.
	 * @param angle the angle to rotate in radians.
	 */
	rotateY(angle: number): this;

	/**
	 * Rotates the object around z axis in local space.
	 * @param angle the angle to rotate in radians.
	 */
	rotateZ(angle: number): this;

	/**
	 * Translate an object by distance along an axis in object space. The axis is assumed to be normalized.
	 * @param axis	A normalized vector in object space.
	 * @param distance	The distance to translate.
	 */
	translateOnAxis(axis: Vector3, distance: number): this;

	/**
	 * Translates object along x axis by distance.
	 * @param distance Distance.
	 */
	translateX(distance: number): this;

	/**
	 * Translates object along y axis by distance.
	 * @param distance Distance.
	 */
	translateY(distance: number): this;

	/**
	 * Translates object along z axis by distance.
	 * @param distance Distance.
	 */
	translateZ(distance: number): this;

	/**
	 * Updates the vector from local space to world space.
	 * @param vector A local vector.
	 */
	localToWorld(vector: Vector3): Vector3;

	/**
	 * Updates the vector from world space to local space.
	 * @param vector A world vector.
	 */
	worldToLocal(vector: Vector3): Vector3;

	/**
	 * Optionally, the x, y and z components of the world space position.
	 * Rotates the object to face a point in world space.
	 * This method does not support objects having non-uniformly-scaled parent(s).
	 * @param vector A world vector to look at.
	 */
	lookAt(vector: Vector3 | number, y?: number, z?: number): void;

	/**
	 * Adds object as child of this object.
	 */
	add(...object: Object3D[]): this;

	/**
	 * Removes object as child of this object.
	 */
	remove(...object: Object3D[]): this;

	/**
	 * Removes this object from its current parent.
	 */
	removeFromParent(): this;

	/**
	 * Removes all child objects.
	 */
	clear(): this;

	/**
	 * Adds object as a child of this, while maintaining the object's world transform.
	 */
	attach(object: Object3D): this;

	/**
	 * Searches through the object's children and returns the first with a matching id.
	 * @param id	Unique number of the object instance
	 */
	getObjectById(id: number): Object3D | undefined;

	/**
	 * Searches through the object's children and returns the first with a matching name.
	 * @param name	String to match to the children's Object3d.name property.
	 */
	getObjectByName(name: string): Object3D | undefined;

	getObjectByProperty(name: string, value: string): Object3D | undefined;

	getWorldPosition(target: Vector3): Vector3;
	getWorldQuaternion(target: Quaternion): Quaternion;
	getWorldScale(target: Vector3): Vector3;
	getWorldDirection(target: Vector3): Vector3;

	raycast(raycaster: Raycaster, intersects: Intersection[]): void;

	traverse(callback: (object: Object3D) => any): void;

	traverseVisible(callback: (object: Object3D) => any): void;

	traverseAncestors(callback: (object: Object3D) => any): void;

	/**
	 * Updates local transform.
	 */
	updateMatrix(): void;

	/**
	 * Updates global transform of the object and its children.
	 */
	updateMatrixWorld(force?: boolean): void;

	/**
	 * Updates the global transform of the object.
	 * @param updateParents recursively updates global transform of ancestors.
	 * @param updateChildren recursively updates global transform of descendants.
	 */
	updateWorldMatrix(updateParents: boolean, updateChildren: boolean): void;

	toJSON(meta?: { geometries: any; materials: any; textures: any; images: any }): any;

	clone(recursive?: boolean): this;

	/**
	 *
	 * @param object
	 * @param recursive
	 */
	copy(source: this, recursive?: boolean): this;
}