/* global nc_pageLoad */

/*
 * @copyright 2019 Christoph Wurst <christoph@winzerhof-wurst.at>
 *
 * @author 2019 Christoph Wurst <christoph@winzerhof-wurst.at>
 *
 * @license GNU AGPL version 3 or any later version
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * This program 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

import _ from 'underscore'
import $ from 'jquery'
import moment from 'moment'

import OC from './index'

/**
 * @namespace OC.PasswordConfirmation
 */
export default {
	callback: null,

	pageLoadTime: null,

	init: function () {
		$('.password-confirm-required').on('click', _.bind(this.requirePasswordConfirmation, this));
		this.pageLoadTime = moment.now();
	},

	requiresPasswordConfirmation: function () {
		var serverTimeDiff = this.pageLoadTime - (nc_pageLoad * 1000);
		var timeSinceLogin = moment.now() - (serverTimeDiff + (nc_lastLogin * 1000));

		// if timeSinceLogin > 30 minutes and user backend allows password confirmation
		return (backendAllowsPasswordConfirmation && timeSinceLogin > 30 * 60 * 1000);
	},

	/**
	 * @param {function} callback
	 */
	requirePasswordConfirmation: function (callback, options, rejectCallback) {
		options = typeof options !== 'undefined' ? options : {};
		var defaults = {
			title: t('core', 'Authentication required'),
			text: t(
				'core',
				'This action requires you to confirm your password'
			),
			confirm: t('core', 'Confirm'),
			label: t('core', 'Password'),
			error: '',
		};

		var config = _.extend(defaults, options);

		var self = this;

		if (this.requiresPasswordConfirmation()) {
			OC.dialogs.prompt(
				config.text,
				config.title,
				function (result, password) {
					if (result && password !== '') {
						self._confirmPassword(password, config);
					} else if (_.isFunction(rejectCallback)) {
						rejectCallback()
					}
				},
				true,
				config.label,
				true
			).then(function () {
				var $dialog = $('.oc-dialog:visible');
				$dialog.find('.ui-icon').remove();
				$dialog.addClass('password-confirmation');
				if (config.error !== '') {
					var $error = $('<p></p>').addClass('msg warning').text(config.error);
				}
				$dialog.find('.oc-dialog-content').append($error);
				$dialog.find('.oc-dialog-buttonrow').addClass('aside');

				var $buttons = $dialog.find('button');
				$buttons.eq(0).hide();
				$buttons.eq(1).text(config.confirm);
			});
		}

		this.callback = callback;
	},

	_confirmPassword: function (password, config) {
		var self = this;

		$.ajax({
			url: OC.generateUrl('/login/confirm'),
			data: {
				password: password
			},
			type: 'POST',
			success: function (response) {
				nc_lastLogin = response.lastLogin;

				if (_.isFunction(self.callback)) {
					self.callback();
				}
			},
			error: function () {
				config.error = t('core', 'Failed to authenticate, try again');
				OC.PasswordConfirmation.requirePasswordConfirmation(self.callback, config);
			}
		});
	}
};