<?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/>.

/**
 * Habdling importoptions form
 *
 * @package mod_booking
 * @copyright 2024 Wunderbyte GmbH <info@wunderbyte.at>
 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

namespace mod_booking\form;

use core_text;
use moodleform;
use csv_import_reader;

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

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

/**
 * Class importoptions_form
 *
 * @package mod_booking
 * @copyright 2024 Wunderbyte GmbH <info@wunderbyte.at>
 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
class importoptions_form extends moodleform {
    /**
     *
     * {@inheritDoc}
     * @see moodleform::definition()
     */
    public function definition() {
        global $CFG;

        $mform = $this->_form;
        $mform->addElement(
            'filepicker',
            'csvfile',
            get_string('csvfile', 'booking'),
            null,
            ['maxbytes' => $CFG->maxbytes, 'accepted_types' => '*']
        );
        $mform->addRule('csvfile', null, 'required', null, 'client');

        $choices = csv_import_reader::get_delimiter_list();
        $mform->addElement('select', 'delimiter_name', get_string('csvdelimiter', 'tool_uploaduser'), $choices);
        if (array_key_exists('cfg', $choices)) {
            $mform->setDefault('delimiter_name', 'cfg');
        } else if (get_string('listsep', 'langconfig') == ';') {
            $mform->setDefault('delimiter_name', 'semicolon');
        } else {
            $mform->setDefault('delimiter_name', 'comma');
        }

        $choices = core_text::get_encodings();
        $mform->addElement('select', 'encoding', get_string('encoding', 'tool_uploaduser'), $choices);
        $mform->setDefault('encoding', 'UTF-8');

        $mform->addElement('text', 'dateparseformat', get_string('dateparseformat', 'booking'));
        $mform->setType('dateparseformat', PARAM_NOTAGS);
        $mform->setDefault('dateparseformat', get_string('defaultdateformat', 'booking'));
        $mform->addRule('dateparseformat', null, 'required', null, 'client');
        $mform->addHelpButton('dateparseformat', 'dateparseformat', 'mod_booking');

        $this->add_action_buttons(true, get_string('import'));
        $mform->addElement('header', 'importinfo', get_string('import') . ' ' . get_string('info'));
        $mform->addElement('html', '<div class="qheader">' . $this->_customdata['importer']->display_importinfo() . '</div>');
    }

    /**
     * Form validation.
     *
     * @param array $data
     * @param array $files
     *
     * @return array
     *
     */
    public function validation($data, $files) {
        return [];
    }
}
