/*
 * 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 { Dialog } = require( 'mmv' );
const DownloadPane = require( './mmv.ui.download.pane.js' );

/**
 * Represents the file download dialog and the link to open it.
 */
class DownloadDialog extends Dialog {
	/**
	 * @param {jQuery} $container the element to which the dialog will be appended
	 * @param {jQuery} $openButton the button which opens the dialog. Only used for positioning.
	 * @param {Config} config
	 */
	constructor( $container, $openButton, config ) {
		super( $container, $openButton, config );

		this.download = new DownloadPane( this.$dialog );
		this.$dialog.addClass( 'mw-mmv-download-dialog' );

		this.eventPrefix = 'download';
	}

	/**
	 * Registers listeners.
	 */
	attach() {
		this.download.attach();

		this.handleEvent( 'mmv-download-open', this.handleOpenCloseClick.bind( this ) );

		this.handleEvent( 'mmv-reuse-open', this.closeDialog.bind( this ) );
		this.handleEvent( 'mmv-options-open', this.closeDialog.bind( this ) );
	}

	/**
	 * Sets data needed by contained tabs and makes dialog launch link visible.
	 *
	 * @param {Image} image
	 * @param {Repo} repo
	 */
	set( image, repo ) {
		this.download.set( image, repo );
		this.showImageWarnings( image );
	}

	/**
	 * Fired when the dialog is opened.
	 *
	 * @event DownloadDialog#mmv-download-opened
	 */

	/**
	 * Opens a dialog with information about file download.
	 */
	openDialog() {
		super.openDialog();

		$( document ).trigger( 'mmv-download-opened' );
	}

	/**
	 * Fired when the dialog is closed.
	 *
	 * @event DownloadDialog#mmv-download-closed
	 */

	/**
	 * Closes the download dialog.
	 */
	closeDialog() {
		super.closeDialog();

		$( document ).trigger( 'mmv-download-closed' );
	}
}

module.exports = DownloadDialog;