/*!
 * This Source Code Form is subject to the terms of the Mozilla Public License,
 * v. 2.0. If a copy of the MPL was not distributed with this file, You can
 * obtain one at http://mozilla.org/MPL/2.0/.
 */

import { Color, ColorObject, Node } from ".";

export interface SceneProps {
	readonly name?: string;

	readonly nodes?: Node[];

	readonly ambientLight?: ColorObject;
}

export class Scene {

	declare readonly type: "Scene";

	_name: string;

	_nodes: Node[];

	_ambientLight: Color;

	constructor({
		name = "",
		nodes = [],
		ambientLight,
	}: SceneProps) {
		this._name = name;

		this._nodes = nodes;

		this._ambientLight = ambientLight !== undefined ? Color.fromObject(ambientLight) : Color.black();
	}

	set name(value: string) { this._name = value; }
	get name(): string { return this._name; }

	setAmbientLight(value: ColorObject): Scene {
		this._ambientLight.setObject(value);
		return this;
	}

	getAmbientLight(res: Color): Color {
		return res.setObject(this._ambientLight);
	}
}

Object.defineProperty(Scene.prototype, "type", { value: "Scene" });

export function isScene(value: unknown): value is Scene {
	return Boolean(value) && (value as Scene).type === "Scene";
}