import { AnimationClip } from '../animation/AnimationClip.js';
import { FileLoader } from './FileLoader.js';
import { Loader } from './Loader.js';

class AnimationLoader extends Loader {
	constructor(manager) {
		super(manager);
	}

	load(url, onLoad, onProgress, onError) {
		const scope = this;

		const loader = new FileLoader(this.manager);
		loader.setPath(this.path);
		loader.setRequestHeader(this.requestHeader);
		loader.setWithCredentials(this.withCredentials);
		loader.load(
			url,
			function (text) {
				try {
					onLoad(scope.parse(JSON.parse(text)));
				} catch (e) {
					if (onError) {
						onError(e);
					} else {
						console.error(e);
					}

					scope.manager.itemError(url);
				}
			},
			onProgress,
			onError
		);
	}

	parse(json) {
		const animations = [];

		for (let i = 0; i < json.length; i++) {
			const clip = AnimationClip.parse(json[i]);

			animations.push(clip);
		}

		return animations;
	}
}

export { AnimationLoader };