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

export interface MeshNormalMaterialParameters extends MaterialParameters {
	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;
	wireframe?: boolean | undefined;
	wireframeLinewidth?: number | undefined;

	flatShading?: boolean | undefined;
}

export class MeshNormalMaterial extends Material {
	constructor(parameters?: MeshNormalMaterialParameters);

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

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

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

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

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

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

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

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

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

	/**
	 * @default false
	 */
	wireframe: boolean;

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

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

	setValues(parameters: MeshNormalMaterialParameters): void;
}