<?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/>.

/**
 * Provides the interface for overall managing of items
 *
 * @package mod_minilesson
 * @copyright  2014 Justin Hunt  {@link http://poodll.com}
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 **/

require_once('../../../config.php');
require_once($CFG->dirroot . '/mod/minilesson/lib.php');

use mod_minilesson\constants;

$id = required_param('id', PARAM_INT);
$action = optional_param('action', null, PARAM_ALPHA);

$cm = get_coursemodule_from_id('minilesson', $id, 0, false, MUST_EXIST);
$course = $DB->get_record('course', ['id' => $cm->course], '*', MUST_EXIST);
$minilesson = $DB->get_record('minilesson', ['id' => $cm->instance], '*', MUST_EXIST);

$comprehensiontest = new \mod_minilesson\comprehensiontest($cm);
$items = $comprehensiontest->fetch_items();

// If we have slides, load the CSS.
if ($comprehensiontest->has_slides_items()) {
    switch ($minilesson->region) {
        case 'ningxia':
            // If Ningxia region, load CSS from different CDN.
            $PAGE->requires->css(new moodle_url('https://cdn.bootcdn.net/ajax/libs/reveal.js/5.2.1/reveal.min.css'));
            break;
        default:
            $PAGE->requires->css(new moodle_url('https://cdn.jsdelivr.net/npm/reveal.js@5.2.1/dist/reveal.min.css'));
            break;
    }
}

// Mode is necessary for tabs.
$mode = 'rsquestions';
// Set page url before require login, so post login will return here.
$PAGE->set_url('/mod/minilesson/rsquestion/rsquestions.php', ['id' => $cm->id, 'mode' => $mode]);


// Require login for this page.
require_login($course, false, $cm);
$context = context_module::instance($cm->id);

// Get an admin settings.
$config = get_config(constants::M_COMPONENT);

if ($minilesson->foriframe == 1  || $minilesson->pagelayout == 'embedded') {
    $PAGE->set_pagelayout('embedded');
} elseif ($config->enablesetuptab  || $minilesson->pagelayout == 'popup') {
    $PAGE->set_pagelayout('popup');
} else {
    $PAGE->set_pagelayout('incourse');
}


// Not GPL3 compat. so cant be distributed with plugin. Hence we load it from CDN.
if ($config->animations == constants::M_ANIM_FANCY) {
    $PAGE->requires->css(new moodle_url('https:// cdnjs.cloudflare.com/ajax/libs/animate.css/4.1.1/animate.min.css'));
}

$renderer = $PAGE->get_renderer('mod_minilesson');
$rsquestionrenderer = $PAGE->get_renderer('mod_minilesson', 'rsquestion');

if ($action === 'bulkdelete') {
    confirm_sesskey();
    $questionids = optional_param_array('deletequestionid', [], PARAM_INT);
    foreach ($questionids as $questionid) {
        \mod_minilesson\local\itemtype\item::delete_item($questionid, $context);
    }
    if (!empty($questionids)) {
        \mod_minilesson\utils::reset_item_order($minilesson->id);
        redirect($PAGE->url);
    }
}

// If we have items, Data tables will make them pretty.
// Prepare datatable(before header printed).
$tableid = constants::M_ITEMS_TABLE;
$rsquestionrenderer->setup_datatables($tableid);

$PAGE->navbar->add(get_string('rsquestions', 'minilesson'));
echo $renderer->header($minilesson, $cm, $mode, null, get_string('rsquestions', 'minilesson'));

// We need view permission to be here.
require_capability('mod/minilesson:itemview', $context);

// If have edit permission, show edit buttons.
if (has_capability('mod/minilesson:itemview', $context)) {
    echo $rsquestionrenderer->add_edit_page_links($context, $tableid, $minilesson->region);
}

// If we have items, show em.
$itemsvisible = $items && count($items);
echo $rsquestionrenderer->show_items_list($items, $minilesson, $cm, $itemsvisible);

echo $renderer->footer();
