/*
 * This file is part of the MediaWiki extension MultimediaViewer.
 *
 * MultimediaViewer is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 2 of the License, or
 * (at your option) any later version.
 *
 * MultimediaViewer is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with MultimediaViewer.  If not, see <http://www.gnu.org/licenses/>.
 */

const Api = require( './mmv.provider.Api.js' );
const { newFromRepoInfo } = require( '../model/mmv.model.Repo.js' );

/**
 * Gets file repo information.
 */
class FileRepoInfo extends Api {
	/**
	 * @param {mw.Api} api
	 * @param {Object} [options]
	 * @cfg {number} [maxage] cache expiration time, in seconds
	 *  Will be used for both client-side cache (maxage) and reverse proxies (s-maxage)
	 */
	constructor( api, options ) {
		super( api, options );
	}

	/**
	 * Runs an API GET request to get the repo info.
	 *
	 * @return {jQuery.Promise.<Object.<string, Repo>>} a promise which resolves to
	 *     a hash of Repo objects, indexed by repo names.
	 */
	get() {
		return this.getCachedPromise( '*', () => {
			return this.apiGetWithMaxAge( {
				formatversion: 2,
				action: 'query',
				meta: 'filerepoinfo',
				uselang: 'content'
			} ).then( ( data ) => {
				return this.getQueryField( 'repos', data );
			} ).then( ( reposArray ) => {
				const reposHash = {};
				reposArray.forEach( ( repo ) => {
					reposHash[ repo.name ] = newFromRepoInfo( repo );
				} );
				return reposHash;
			} );
		} );
	}
}

module.exports = FileRepoInfo;