import { Color } from './../math/Color';
import { Texture } from './../textures/Texture';
import { Vector2 } from './../math/Vector2';
import { MaterialParameters, Material } from './Material';
import { NormalMapTypes } from '../constants';
import { ColorRepresentation } from '../utils';

export interface MeshMatcapMaterialParameters extends MaterialParameters {
	color?: ColorRepresentation | undefined;
	matcap?: Texture | null | undefined;
	map?: Texture | null | undefined;
	bumpMap?: Texture | null | undefined;
	bumpScale?: number | undefined;
	normalMap?: Texture | null | undefined;
	normalMapType?: NormalMapTypes | undefined;
	normalScale?: Vector2 | undefined;
	displacementMap?: Texture | null | undefined;
	displacementScale?: number | undefined;
	displacementBias?: number | undefined;
	alphaMap?: Texture | null | undefined;

	flatShading?: boolean | undefined;
}

export class MeshMatcapMaterial extends Material {
	constructor(parameters?: MeshMatcapMaterialParameters);

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

	/**
	 * @default { 'MATCAP': '' }
	 */
	defines: { [key: string]: any };

	/**
	 * @default new THREE.Color( 0xffffff )
	 */
	color: Color;

	/**
	 * @default null
	 */
	matcap: Texture | null;

	/**
	 * @default null
	 */
	map: Texture | null;

	/**
	 * @default null
	 */
	bumpMap: Texture | null;

	/**
	 * @default 1
	 */
	bumpScale: number;

	/**
	 * @default null
	 */
	normalMap: Texture | null;

	/**
	 * @default THREE.TangentSpaceNormalMap
	 */
	normalMapType: NormalMapTypes;

	/**
	 * @default new Vector2( 1, 1 )
	 */
	normalScale: Vector2;

	/**
	 * @default null
	 */
	displacementMap: Texture | null;

	/**
	 * @default 1
	 */
	displacementScale: number;

	/**
	 * @default 0
	 */
	displacementBias: number;

	/**
	 * @default null
	 */
	alphaMap: Texture | null;

	/**
	 * Define whether the material is rendered with flat shading. Default is false.
	 * @default false
	 */
	flatShading: boolean;

	setValues(parameters: MeshMatcapMaterialParameters): void;
}