/*
   * Copyright (c) 2014
   *
   * This file is licensed under the Affero General Public License version 3
   * or later.
   *
   * See the COPYING-README file.
   *
   */
  
  (function() {
  	OC.Update = {
  		_started : false,
  
  		/**
  		 * Start the upgrade process.
  		 *
  		 * @param $el progress list element
  		 */
  		start: function($el) {
  			if (this._started) {
  				return;
  			}
  
  			this.$el = $el;
  
  			this._started = true;
  			this.addMessage(t(
  				'core',
  				'Updating {productName} to version {version}, this may take a while.', {
  					productName: OC.theme.name || 'ownCloud',
  					version: OC.config.versionstring
  				}),
  				'bold'
  			).append('<br />'); // FIXME: these should be ul/li with CSS paddings!
  
  			var updateEventSource = new OC.EventSource(OC.webroot+'/core/ajax/update.php');
  			updateEventSource.listen('success', function(message) {
  				$('<span>').append(message).append('<br />').appendTo($el);
  			});
  			updateEventSource.listen('error', function(message) {
  				$('<span>').addClass('error').append(message).append('<br />').appendTo($el);
  				message = t('core', 'Please reload the page.');
  				$('<span>').addClass('error').append(message).append('<br />').appendTo($el);
  				updateEventSource.close();
  			});
  			updateEventSource.listen('failure', function(message) {
  				$('<span>').addClass('error').append(message).append('<br />').appendTo($el);
  				$('<span>')
  				.addClass('error bold')
  				.append('<br />')
  				.append(t('core', 'The update was unsuccessful.' +
  					'Please report this issue to the ' +
  					'<a href="https://github.com/owncloud/core/issues" target="_blank">ownCloud community</a>.'))
  				.appendTo($el);
  			});
  			updateEventSource.listen('done', function() {
  				// FIXME: use product name
  				$('<span>').addClass('bold')
  					.append('<br />')
  					.append(t('core', 'The update was successful. Redirecting you to ownCloud now.'))
  					.appendTo($el);
  				setTimeout(function () {
  					OC.redirect(OC.webroot);
  				}, 3000);
  			});
  		},
  
  		addMessage: function(message, className) {
  			var $span = $('<span>');
  			$span.addClass(className).append(message).append('<br />').appendTo(this.$el);
  			return $span;
  		}
  	};
  
  })();
  
  $(document).ready(function() {
  	$('.updateButton').on('click', function() {
  		var $progressEl = $('.updateProgress');
  		$progressEl.removeClass('hidden');
  		$('.updateOverview').addClass('hidden');
  		OC.Update.start($progressEl);
  		return false;

  	});
  });