<?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/>.

/**
 * Defines forms.
 *
 * @package   local_webhooks
 * @copyright 2017 "Valentin Popov" <info@valentineus.link>
 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

defined('MOODLE_INTERNAL') || die();

require_once($CFG->libdir . '/formslib.php');

/**
 * Description of the form of restoration.
 *
 * @copyright 2017 "Valentin Popov" <info@valentineus.link>
 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
class service_backup_form extends moodleform {
    /**
     * Defines the standard structure of the form.
     *
     * @throws \coding_exception
     */
    protected function definition() {
        $mform =& $this->_form;

        /* Form heading */
        $mform->addElement('header', 'editserviceheader', new lang_string('restore', 'moodle'));

        /* Download the file */
        $mform->addElement('filepicker', 'backupfile', new lang_string('file', 'moodle'));
        $mform->addRule('backupfile', null, 'required');

        /* Control Panel */
        $this->add_action_buttons(true, new lang_string('restore', 'moodle'));
    }
}

/**
 * Description editing form definition.
 *
 * @copyright 2017 "Valentin Popov" <info@valentineus.link>
 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
class service_edit_form extends moodleform {
    /**
     * Defines the standard structure of the form.
     *
     * @throws \coding_exception
     */
    protected function definition() {
        $mform =& $this->_form;
        $size = [ 'size' => 60 ];

        /* Form heading */
        $mform->addElement('header', 'editserviceheader', new lang_string('service', 'webservice'));

        /* Name of the service */
        $mform->addElement('text', 'title', new lang_string('name', 'moodle'), $size);
        $mform->addRule('title', null, 'required');
        $mform->setType('title', PARAM_NOTAGS);

        /* Callback address */
        $mform->addElement('text', 'url', new lang_string('url', 'moodle'), $size);
        $mform->addRule('url', null, 'required');
        $mform->setType('url', PARAM_URL);

        /* Enabling the service */
        $mform->addElement('advcheckbox', 'enable', new lang_string('enable', 'moodle'));
        $mform->setType('enable', PARAM_BOOL);
        $mform->setDefault('enable', 1);
        $mform->setAdvanced('enable');

        /* Token */
        $mform->addElement('text', 'token', new lang_string('token', 'webservice'), $size);
        $mform->setType('token', PARAM_NOTAGS);

        /* Additional information */
        $mform->addElement('text', 'other', new lang_string('sourceext', 'plugin'), $size);
        $mform->setType('other', PARAM_NOTAGS);
        $mform->setAdvanced('other');

        /* Content type */
        $contenttype = [ 'json' => 'application/json', 'x-www-form-urlencoded' => 'application/x-www-form-urlencoded' ];
        $mform->addElement('select', 'type', 'Content type', $contenttype);
        $mform->setAdvanced('type');

        /* Form heading */
        $mform->addElement('header', 'editserviceheaderevent', new lang_string('edulevel', 'moodle'));

        /* List of events */
        $eventlist = report_eventlist_list_generator::get_all_events_list();
        $events = [];

        /* Formation of the list of elements */
        foreach ($eventlist as $event) {
            /* Escaping event names */
            $eventname = base64_encode($event[ 'eventname' ]);
            $events[ $event[ 'component' ] ][] =& $mform->createElement('checkbox', $eventname, $event[ 'eventname' ], $event[ 'eventname' ]);
        }

        /* Displays groups of items */
        foreach ($events as $key => $event) {
            $mform->addGroup($event, 'events', $key, '<br />');
        }

        /* Control Panel */
        $this->add_action_buttons();
    }
}