use local_hyperstack\api\api_exception;

use local_hyperstack\api\client;

use local_hyperstack\form\mapping_form;

use local_hyperstack\issuer;

require(__DIR__ . '/../../config.php');

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

$id = required_param('id', PARAM_INT);

$action = optional_param('action', '', PARAM_ALPHA);

$course = get_course($id);

require_login($course);

$context = context_course::instance($course->id);

require_capability('local/hyperstack:manage', $context);

$url = new moodle_url('/local/hyperstack/course.php', ['id' => $course->id]);

$PAGE->set_url($url);

$PAGE->set_pagelayout('incourse');

$PAGE->set_title(get_string('coursenav', 'local_hyperstack') . moodle_page::TITLE_SEPARATOR . $course->shortname);

$PAGE->set_heading($course->fullname);

if ($action === 'pastcompleters' && confirm_sesskey()) {

$queued = issuer::queue_past_completers($course->id);

redirect($url, get_string('past:queued', 'local_hyperstack', $queued), null, \core\output\notification::NOTIFY_SUCCESS);

}

$configured = client::is_configured();

$apierror = null;

$form = null;

$mapped = $DB->get_records('local_hyperstack_map', ['courseid' => $course->id], 'grouptitle', 'groupkey, id, grouptitle');

if ($configured) {

try {

$groups = (new client())->groups();

} catch (api_exception $e) {

$groups = null;

$apierror = $e->get_reason();

}

if ($groups !== null) {

// Groups that are not archived, plus any mapped group, even archived or gone from Hyperstack.

$choices = [];

$titles = [];

foreach ($groups as $group) {

$key = clean_param($group['group_id'] ?? '', PARAM_ALPHANUMEXT);

if ($key === '' || (!empty($group['archived']) && !isset($mapped[$key]))) {

continue;

}

$label = format_string($group['title'] ?? $key);

if (!empty($group['group_code'])) {

$label .= ' (' . format_string($group['group_code']) . ')';

}

$choices[] = ['key' => $key, 'label' => $label, 'mapped' => isset($mapped[$key])];

$titles[$key] = clean_param($group['title'] ?? $key, PARAM_TEXT);

}

foreach ($mapped as $key => $map) {

if (!isset($titles[$key])) {

$label = get_string('mapping:gone', 'local_hyperstack', format_string($map->grouptitle));

$choices[] = ['key' => $key, 'label' => $label, 'mapped' => true];

$titles[$key] = $map->grouptitle;

}

}

$form = new mapping_form($url, ['choices' => $choices]);

if ($data = $form->get_data()) {

$ticked = $form->ticked($data);

$now = time();

foreach ($ticked as $key) {

if (!isset($mapped[$key])) {

$DB->insert_record('local_hyperstack_map', (object) [

'courseid' => $course->id,

'groupkey' => $key,

'grouptitle' => core_text::substr($titles[$key], 0, 255),

'timecreated' => $now,

'timemodified' => $now,

]);

}

}

foreach ($mapped as $key => $map) {

if (!in_array($key, $ticked)) {

$DB->delete_records('local_hyperstack_map', ['id' => $map->id]);

}

}

redirect($url, get_string('mapping:saved', 'local_hyperstack'), null, \core\output\notification::NOTIFY_SUCCESS);

}

}

}

echo $OUTPUT->header();

echo $OUTPUT->heading(get_string('coursenav', 'local_hyperstack'));

if (!$configured) {

$message = get_string('error:notconnected', 'local_hyperstack');

if (has_capability('moodle/site:config', context_system::instance())) {

$settingsurl = new moodle_url('/admin/settings.php', ['section' => 'local_hyperstack']);

$message .= ' ' . html_writer::link($settingsurl, get_string('settings:open', 'local_hyperstack'));

}

echo $OUTPUT->notification($message, 'warning');

echo $OUTPUT->footer();

die();

}

$completion = new completion_info($course);

if (!$completion->is_enabled()) {

echo $OUTPUT->notification(get_string('warn:completiondisabled', 'local_hyperstack'), 'warning');

} else if (!$completion->has_criteria()) {

$criteriaurl = new moodle_url('/course/completion.php', ['id' => $course->id]);

echo $OUTPUT->notification(get_string('warn:nocriteria', 'local_hyperstack', $criteriaurl->out()), 'warning');

}

if ($apierror !== null) {

echo $OUTPUT->notification(get_string('error:groups', 'local_hyperstack', s($apierror)), 'error');

}

if ($form) {

$form->display();

}

if ($mapped) {

$completed = $DB->count_records_select(

'course_completions',

'course = :course AND timecompleted IS NOT NULL',

['course' => $course->id]

);

echo $OUTPUT->heading(get_string('past:title', 'local_hyperstack'), 3);

echo html_writer::tag('p', get_string('past:help', 'local_hyperstack', $completed));

$button = new single_button(

new moodle_url($url, ['action' => 'pastcompleters']),

get_string('past:button', 'local_hyperstack'),

'post'

);

$button->disabled = $completed == 0;

echo html_writer::div($OUTPUT->render($button), 'mb-4');

}

echo $OUTPUT->heading(get_string('report:title', 'local_hyperstack'), 3);

echo html_writer::tag('p', html_writer::link(

new moodle_url('/local/hyperstack/report.php', ['id' => $course->id]),

get_string('report:open', 'local_hyperstack')

));

echo $OUTPUT->footer();