<?php

/* For licensing terms, see /license.txt */

use Chamilo\CoreBundle\Enums\ActionIcon;
use Chamilo\CoreBundle\Framework\Container;
use Chamilo\CourseBundle\Entity\CQuiz;

require_once __DIR__.'/../inc/global.inc.php';

// the section (tabs)
$this_section = SECTION_COURSES;

// notice for unauthorized people.
api_protect_course_script(true);

$allow = api_is_allowed_to_edit();

if (!$allow) {
    api_not_allowed(true);
}

// breadcrumbs
$interbreadcrumb[] = ['url' => 'exercise.php', 'name' => get_lang('Tests')];

// Tool name
$nameTools = get_lang('Add this question to the test');

// The form
$form = new FormValidator('add_question', 'post', api_get_self().'?'.api_get_cidreq());
// form title
$form->addElement('header', '', get_lang('Add this question to the test'));

$question_list = Question::getQuestionTypeList();
$question_list_options = [];
foreach ($question_list as $key => $value) {
    $question_list_options[$key] = addslashes(get_lang($value[1]));
}
$form->addSelect(
    'question_type_hidden',
    get_lang('Question type'),
    $question_list_options,
    ['id' => 'question_type_hidden']
);

//session id
$session_id = api_get_session_id();

// the exercises
$tbl_exercises = Database::get_course_table(TABLE_QUIZ_TEST);
$course_id = api_get_course_int_id();
$course = api_get_course_entity();
$session = api_get_session_entity();

$repo = Container::getQuizRepository();
$qb = $repo->getResourcesByCourse($course, $session);
$exercises = $qb->getQuery()->getResult();

/*$sql = "SELECT iid,title,type,description, results_disabled
        FROM $tbl_exercises
        WHERE c_id = $course_id AND active<>'-1' AND session_id=".$session_id.'
        ORDER BY title ASC';
$result = Database::query($sql);*/
$list['-'] = '-'.get_lang('Select exercise').'-';
/** @var CQuiz $exercise */
foreach ($exercises as $exercise) {
    $list[$exercise->getIid()] = cut($exercise->getTitle(), EXERCISE_MAX_NAME_SIZE);
}
$form->addSelect('exercise', get_lang('Test'), $list);

// generate default content
$form->addCheckBox(
    'is_content',
    null,
    get_lang('Generate default content'),
    ['checked' => true]
);

// the submit button
$form->addButtonCreate(get_lang('Create a question'), 'SubmitCreate a question');

// setting the rules
$form->addRule('exercise', get_lang('Required field'), 'required');
$form->addRule('exercise', get_lang('You have to select a test'), 'numeric');
$form->registerRule('validquestiontype', 'callback', 'check_question_type');
$form->addRule('question_type_hidden', get_lang('Invalid question type'), 'validquestiontype');

if ($form->validate()) {
    $values = $form->exportValues();
    $answer_type = $values['question_type_hidden'];

    // check feedback_type from current exercise for type of question delineation
    $exercise_id = (int) ($values['exercise']);
    $sql = "SELECT feedback_type FROM $tbl_exercises
            WHERE iid = '$exercise_id'";
    $rs_feedback_type = Database::query($sql);
    $row_feedback_type = Database::fetch_row($rs_feedback_type);
    $feedback_type = $row_feedback_type[0];

    // if question type does not belong to self-evaluation (immediate feedback) it'll send an error
    if ((HOT_SPOT_DELINEATION == $answer_type && 1 != $feedback_type) ||
        (1 == $feedback_type && (HOT_SPOT_DELINEATION != $answer_type && UNIQUE_ANSWER != $answer_type))) {
        header('Location: question_create.php?'.api_get_cidreq().'&error=true');
        exit;
    }
    header('Location: admin.php?exerciseId='.$values['exercise'].'&newQuestion=yes&isContent='.$values['is_content'].'&answerType='.$answer_type);
    exit;
} else {
    Display::display_header($nameTools);
    $actions = '<a href="exercise.php?show=test">'.
        Display::getMdiIcon(ActionIcon::BACK, 'ch-tool-icon', null, ICON_SIZE_MEDIUM, sprintf(get_lang('Back to %s'), get_lang('Test list'))).'</a>';
    echo Display::toolbarAction('toolbar', [$actions]);

    $form->display();
    Display::display_footer();
}

function check_question_type($parameter)
{
    $question_list = Question::getQuestionTypeList();
    foreach ($question_list as $key => $value) {
        $valid_question_types[] = $key;
    }
    if (in_array($parameter, $valid_question_types)) {
        return true;
    } else {
        return false;
    }
}
