<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle 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 3 of the License, or
// (at your option) any later version.
//
// Moodle 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 Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**
 * Behat groups-related steps definitions.
 *
 * @package    core_group
 * @category   test
 * @copyright  2013 David Monllaó
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

// NOTE: no MOODLE_INTERNAL test here, this file may be required by behat before including /config.php.

require_once(__DIR__ . '/../../../lib/behat/behat_base.php');

use Behat\Mink\Exception\ElementNotFoundException as ElementNotFoundException;

/**
 * Groups-related steps definitions.
 *
 * @package    core_group
 * @category   test
 * @copyright  2013 David Monllaó
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
class behat_groups extends behat_base {

    /**
     * Add the specified user to the group. You should be in the groups page when running this step.
     *
     * @Given /^I add "(?P<username_string>(?:[^"]|\\")*)" user to "(?P<group_name_string>(?:[^"]|\\")*)" group$/
     * @throws ElementNotFoundException Thrown by behat_base::find
     * @param string $username
     * @param string $groupname
     */
    public function i_add_user_to_group($username, $groupname) {
        global $DB;

        $user = $DB->get_record('user', array('username' => $username));
        $userfullname = $this->getSession()->getSelectorsHandler()->xpathLiteral(fullname($user));

        // Using a xpath liternal to avoid problems with quotes and double quotes.
        $groupname = $this->getSession()->getSelectorsHandler()->xpathLiteral($groupname);

        // We don't know the option text as it contains the number of users in the group.
        $select = $this->find_field('groups');
        $xpath = "//select[@id='groups']/descendant::option[contains(., $groupname)]";
        $groupoption = $this->find('xpath', $xpath);
        $fulloption = $groupoption->getText();
        $select->selectOption($fulloption);

        // Here we don't need to wait for the AJAX response.
        $this->find_button(get_string('adduserstogroup', 'group'))->click();

        // Wait for add/remove members page to be loaded.
        $this->getSession()->wait(self::TIMEOUT, '(document.readyState === "complete")');

        // Getting the option and selecting it.
        $select = $this->find_field('addselect');
        $xpath = "//select[@id='addselect']/descendant::option[contains(., $userfullname)]";
        $memberoption = $this->find('xpath', $xpath);
        $fulloption = $memberoption->getText();
        $select->selectOption($fulloption);

        // Click add button.
        $this->find_button(get_string('add'))->click();

        // Wait for the page to load.
        $this->getSession()->wait(self::TIMEOUT, '(document.readyState === "complete")');

        // Returning to the main groups page.
        $this->find_button(get_string('backtogroups', 'group'))->click();
    }

}
