'use strict';

function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }

/**
 * Licensed Materials - Property of IBM
 * IBM Cognos Products: BI Cloud (C) Copyright IBM Corp. 2014, 2019
 * US Government Users Restricted Rights - Use, duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp.
 */
define(['./EmbedMedia', 'text!./Mp4Video.html', 'text!./Audio.html'], function (EmbedMedia, Mp4Video, Audio) {

	var extractExtension = function extractExtension(url) {
		var index = url.lastIndexOf('.');
		return index >= 0 ? url.substring(index + 1).toLowerCase() : '';
	};

	var EmbedMediaLoader = function () {
		function EmbedMediaLoader(type) {
			_classCallCheck(this, EmbedMediaLoader);

			this.type = type;
		}

		EmbedMediaLoader.prototype.tryToLoad = function tryToLoad(url) {
			var extension = extractExtension(url);
			var media = null;
			switch (extension) {
				case 'mp4':
					media = new EmbedMedia(url, this.type, Mp4Video);
					break;
				// TODO: quicktime video is disabled because we remove embed tags for security reason causing this media type not to work
				// This needs to be enabled once we do proper validation for the widget content before we save it.
				//case 'mov':
				//	media = new EmbedMedia(url, this.type, QuicktimeVideo);
				//	break;
				case 'mp3':
					media = new EmbedMedia(url, this.type, Audio, { type: extension });
					break;
				case 'aac':
					media = new EmbedMedia(url, this.type, Audio, { type: extension });
					break;
				case 'm4a':
					media = new EmbedMedia(url, this.type, Audio, { type: 'mp4' });
					break;
				default:
					break;
			}
			return media;
		};

		return EmbedMediaLoader;
	}();

	return EmbedMediaLoader;
});
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