<?php
/* For licensing terms, see /license.txt */

/**
 *	Code to display the course settings form (for the course admin)
 *	and activate the changes.
 *
 * @author Patrick Cool <patrick.cool@UGent.be>
 * @author Roan Embrechts, refactoring and improved course visibility|subscribe|unsubscribe options
 * @author Julio Montoya <gugli100@gmail.com> Jquery support + lots of fixes
 * @package chamilo.course_info
 */

/*	   INIT SECTION */

use \ChamiloSession as Session;

// Language files that need to be included
$language_file = array('create_course', 'course_info', 'admin', 'gradebook', 'document');
require_once '../inc/global.inc.php';
$current_course_tool  = TOOL_COURSE_SETTING;
$this_section = SECTION_COURSES;

$nameTools = get_lang('ModifInfo');

api_protect_course_script(true);
api_block_anonymous_users();

/*	Constants and variables */
define('MODULE_HELP_NAME', 'Settings');
define('COURSE_CHANGE_PROPERTIES', 'COURSE_CHANGE_PROPERTIES');

$currentCourseRepository    = $_course['path'];
$is_allowedToEdit 			= api_is_course_admin() || api_is_platform_admin();

$course_code 				= api_get_course_id();
$_course                    = api_get_course_info($course_code);
$courseId                   = api_get_course_int_id();
$course_access_settings 	= CourseManager :: get_access_settings($course_code);

//LOGIC FUNCTIONS
function is_settings_editable() {
    //@todo check this setting This course_info_is_editable is defined where?
	//return isset($GLOBALS['course_info_is_editable']) && $GLOBALS['course_info_is_editable'];
    return true;
}

/* MAIN CODE */
if (!$is_allowedToEdit) {
	api_not_allowed(true);
}

$show_delete_watermark_text_message = false;
if (api_get_setting('pdf_export_watermark_by_course') == 'true') {
    if (isset($_GET['delete_watermark'])) {
        PDF::delete_watermark($course_code);
        $show_delete_watermark_text_message = true;
    }
}
$table_course_category = Database :: get_main_table(TABLE_MAIN_CATEGORY);
$tbl_user              = Database :: get_main_table(TABLE_MAIN_USER);
$tbl_admin             = Database :: get_main_table(TABLE_MAIN_ADMIN);
$tbl_course_user       = Database :: get_main_table(TABLE_MAIN_COURSE_USER);
$tbl_course            = Database :: get_main_table(TABLE_MAIN_COURSE);

// Get all course categories
$sql = "SELECT code,name FROM ".$table_course_category." WHERE auth_course_child ='TRUE'  OR code = '".Database::escape_string($_course['categoryCode'])."'  ORDER BY tree_pos";
$res = Database::query($sql);

$s_select_course_tutor_name = "SELECT tutor_name FROM $tbl_course WHERE code='$course_code'";
$q_tutor = Database::query($s_select_course_tutor_name);
$s_tutor = Database::result($q_tutor, 0, 'tutor_name');

$target_name = api_sort_by_first_name() ? 'firstname' : 'lastname';
$s_sql_course_titular = "
    SELECT DISTINCT username, lastname, firstname
    FROM $tbl_user as user, $tbl_course_user as course_rel_user
    WHERE (course_rel_user.status='1') AND user.user_id=course_rel_user.user_id AND c_id ='".$courseId."'
    ORDER BY ".$target_name." ASC";
$q_result_titulars = Database::query($s_sql_course_titular);

if (Database::num_rows($q_result_titulars) == 0) {
	$sql = "SELECT username, lastname, firstname FROM $tbl_user as user, $tbl_admin as admin WHERE admin.user_id=user.user_id ORDER BY ".$target_name." ASC";
	$q_result_titulars = Database::query($sql);
}

$a_profs[0] = '-- '.get_lang('NoManager').' --';
while ($a_titulars = Database::fetch_array($q_result_titulars)) {
    $s_username = $a_titulars['username'];
    $s_lastname = $a_titulars['lastname'];
    $s_firstname = $a_titulars['firstname'];

    if (api_get_person_name($s_firstname, $s_lastname) == $s_tutor) {
        $s_selected_tutor = api_get_person_name($s_firstname, $s_lastname);
    }
    $s_disabled_select_titular = '';
    if (!api_is_course_admin()) {
        $s_disabled_select_titular = 'disabled=disabled';
    }
    $a_profs[api_get_person_name($s_firstname, $s_lastname)] = api_get_person_name($s_lastname, $s_firstname).' ('.$s_username.')';
}

$categories[''] = '-';
while ($cat = Database::fetch_array($res)) {
    $categories[$cat['code']] = '('.$cat['code'].') '.$cat['name'];
    ksort($categories);
}

$linebreak = '<div class="row"><div class="label"></div><div class="formw" style="border-bottom:1px dashed grey"></div></div>';

// Build the form
$form = new FormValidator('update_course', 'post', api_get_self().'?'.api_get_cidreq());

// COURSE SETTINGS
$form->addElement('html', '<div><h3>'.Display::return_icon('settings.png', Security::remove_XSS(get_lang('CourseSettings')),'',ICON_SIZE_SMALL).' '.Security::remove_XSS(get_lang('CourseSettings')).'</h3><div>');

$image_html = '';

// Sending image
if ($form->validate() && is_settings_editable()) {
    // update course picture
    $picture = $_FILES['picture'];
    if (!empty($picture['name'])) {
        $picture_uri = CourseManager::update_course_picture($course_code, $picture['name'], $picture['tmp_name']);
    }
}

// Display course picture
$course_path = api_get_path(SYS_COURSE_PATH).$currentCourseRepository;   // course path
if (file_exists($course_path.'/course-pic85x85.png')) {
    $course_web_path = api_get_path(WEB_COURSE_PATH).$currentCourseRepository;   // course web path
    $course_medium_image = $course_web_path.'/course-pic85x85.png?'.rand(1,1000); // redimensioned image 85x85
    $image_html =  '<div class="row"><div class="formw"><img src="'.$course_medium_image.'" /></div></div>';
}
$form->addElement('html', $image_html);


$form->add_textfield('title', get_lang('Title'), true, array('class' => 'span6'));
$form->applyFilter('title', 'html_filter');
$form->applyFilter('title', 'trim');

//$form->add_textfield('tutor_name', get_lang('Professors'), true, array ('size' => '60'));

//the teacher doesn't need to change the trainer only the admin can do that
/*
$prof = &$form->addElement('select', 'tutor_name', get_lang('Teacher'), $a_profs, array('style'=>'width:350px', 'class'=>'chzn-select', 'id'=>'tutor_name'));
$form->applyFilter('tutor_name', 'html_filter');
$prof -> setSelected($s_selected_tutor);
 * /

/*$visual_code=$form->addElement('text', 'visual_code', get_lang('Code'));
$visual_code->freeze();
$form->applyFilter('visual_code', 'strtoupper');*/

$form->addElement('select', 'category_code', get_lang('Fac'), $categories, array('style'=>'width:350px', 'class'=>'chzn-select', 'id'=>'category_code'));
$form->addElement('select_language', 'course_language', array(get_lang('Ln'), get_lang('TipLang')));

$form->add_textfield('department_name', get_lang('Department'), false, array('class' => 'span5'));
$form->applyFilter('department_name', 'html_filter');
$form->applyFilter('department_name', 'trim');

$form->add_textfield('department_url', get_lang('DepartmentUrl'), false, array('class' => 'span5'));
$form->applyFilter('department_url', 'html_filter');
//$form->addRule('tutor_name', get_lang('ThisFieldIsRequired'), 'required');

// Picture
$form->addElement('file', 'picture', get_lang('AddPicture'));
$allowed_picture_types = array ('jpg', 'jpeg', 'png', 'gif');
$form->addRule('picture', get_lang('OnlyImagesAllowed').' ('.implode(',', $allowed_picture_types).')', 'filetype', $allowed_picture_types);

if (api_get_setting('pdf_export_watermark_by_course') == 'true') {
    $url =  PDF::get_watermark($course_code);
    $form->add_textfield('pdf_export_watermark_text', get_lang('PDFExportWatermarkTextTitle'), false, array('size' => '60'));
    $form->addElement('file', 'pdf_export_watermark_path', get_lang('AddWaterMark'));
    if ($url != false) {
        $delete_url = '<a href="?delete_watermark">'.Display::return_icon('delete.png',get_lang('DelImage')).'</a>';
        $form->addElement('html', '<div class="row"><div class="formw"><a href="'.$url.'">'.$url.' '.$delete_url.'</a></div></div>');
    }
    $form->addRule('pdf_export_watermark_path', get_lang('OnlyImagesAllowed').' ('.implode(',', $allowed_picture_types).')', 'filetype', $allowed_picture_types);
}

$group = array();
$group[]=$form->createElement('select_theme', 'course_theme', null, array('class'=>' ', 'id'=>'course_theme_id'));
$form->addGroup($group, '', array(get_lang("Stylesheets")), '');

$form->addElement('label', get_lang('DocumentQuota'), Text::format_file_size(DocumentManager::get_course_quota()));

$form->addElement('style_submit_button', null, get_lang('SaveSettings'), 'class="save"');
$form->addElement('html', '</div></div>');

// COURSE ACCESS

$form->addElement('html', '<div> <h3>'.Display::return_icon('course.png', Security::remove_XSS(get_lang('CourseAccess')),'',ICON_SIZE_SMALL).' '.Security::remove_XSS(get_lang('CourseAccess')).'</h3><div>');

$group = array();
$group[]= $form->createElement('radio', 'visibility', get_lang("CourseAccess"), get_lang('OpenToTheWorld'), COURSE_VISIBILITY_OPEN_WORLD);
$group[]= $form->createElement('radio', 'visibility', null, get_lang('OpenToThePlatform'), COURSE_VISIBILITY_OPEN_PLATFORM);
$group[]= $form->createElement('radio', 'visibility', null, get_lang('Private'), COURSE_VISIBILITY_REGISTERED);
$group[]= $form->createElement('radio', 'visibility', null, get_lang('CourseVisibilityClosed'), COURSE_VISIBILITY_CLOSED);
// The "hidden" visibility is only available to portal admins
if (api_is_platform_admin()) {
    $group[]= $form->createElement('radio', 'visibility', null, get_lang('CourseVisibilityHidden'), COURSE_VISIBILITY_HIDDEN);
}
$form->addGroup($group, '', array(get_lang("CourseAccess"), get_lang("CourseAccessConfigTip")), '');

$url = api_get_path(WEB_CODE_PATH)."auth/inscription.php?c=$course_code&e=1";
$url = Display::url($url, $url);
$form->addElement('label', get_lang('DirectLink'), sprintf(get_lang('CourseSettingsRegisterDirectLink'), $url));

$group = array();
$group[]=$form->createElement('radio', 'subscribe', get_lang('Subscription'), get_lang('Allowed'), 1);
$group[]=$form->createElement('radio', 'subscribe', null, get_lang('Denied'), 0);
$form->addGroup($group, '', array(get_lang("Subscription")), '');

$group = array();
$group[]=$form->createElement('radio', 'unsubscribe', get_lang('Unsubscription'), get_lang('AllowedToUnsubscribe'), 1);
$group[]=$form->createElement('radio', 'unsubscribe', null, get_lang('NotAllowedToUnsubscribe'), 0);
$form->addGroup($group, '', array(get_lang("Unsubscription")), '');

$form->add_textfield('course_registration_password', get_lang('CourseRegistrationPassword'), false, array('size' => '60'));

$form->addElement('checkbox', 'activate_legal', array(null, get_lang('ShowALegalNoticeWhenEnteringTheCourse')), get_lang('ActivateLegal'));
$form->addElement('textarea', 'legal', get_lang('CourseLegalAgreement'), array('class'=>'span6', 'rows' => 8));

$form->addElement('style_submit_button', null, get_lang('SaveSettings'), 'class="save"');
$form->addElement('html', '</div></div>');

// EMAIL NOTIFICATIONS
$form->addElement('html', '<div> <h3>'.Display::return_icon('mail.png', Security::remove_XSS(get_lang('EmailNotifications')),'',ICON_SIZE_SMALL).' '.Security::remove_XSS(get_lang('EmailNotifications')).'</h3><div>');

$group = array();
$group[]=$form->createElement('radio', 'email_alert_to_teacher_on_new_user_in_course', get_lang('NewUserEmailAlert'), get_lang('NewUserEmailAlertEnable'), 1);
$group[]=$form->createElement('radio', 'email_alert_to_teacher_on_new_user_in_course', null, get_lang('NewUserEmailAlertToTeacharAndTutor'), 2);
$group[]=$form->createElement('radio', 'email_alert_to_teacher_on_new_user_in_course', null, get_lang('NewUserEmailAlertDisable'), 0);
$form->addGroup($group, '', array(Display::return_icon('user.png', get_lang('NewUserEmailAlert'))));

$group = array();
$group[]=$form->createElement('radio', 'email_alert_students_on_new_homework', get_lang('NewHomeworkEmailAlert'), get_lang('NewHomeworkEmailAlertEnable'), 1);
$group[]=$form->createElement('radio', 'email_alert_students_on_new_homework', null, get_lang('NewHomeworkEmailAlertDisable'), 0);
$form->addGroup($group, '', array(Display::return_icon('work.png', get_lang("NewHomeworkEmailAlert"))));

$group = array();
$group[]=$form->createElement('radio', 'email_alert_manager_on_new_doc', get_lang('WorkEmailAlert'), get_lang('WorkEmailAlertActivate'), 1);
$group[]=$form->createElement('radio', 'email_alert_manager_on_new_doc', null, get_lang('WorkEmailAlertDeactivate'), 0);
$form->addGroup($group, '', array(Display::return_icon('work.png', get_lang("WorkEmailAlert"))));

$group = array();
$group[]=$form->createElement('radio', 'email_alert_on_new_doc_dropbox', get_lang('DropboxEmailAlert'), get_lang('DropboxEmailAlertActivate'), 1);
$group[]=$form->createElement('radio', 'email_alert_on_new_doc_dropbox', null, get_lang('DropboxEmailAlertDeactivate'), 0);
$form->addGroup($group, '', array(Display::return_icon('dropbox.png', get_lang("DropboxEmailAlert"))));

$group = array();
$group[]=$form->createElement('radio', 'email_alert_manager_on_new_quiz', get_lang('QuizEmailAlert'), get_lang('QuizEmailAlertActivate'), 1);
$group[]=$form->createElement('radio', 'email_alert_manager_on_new_quiz', null, get_lang('QuizEmailAlertDeactivate'), 0);
$form->addGroup($group, '', array(Display::return_icon('quiz.png', get_lang("QuizEmailAlert"))));

$form->addElement('style_submit_button', null, get_lang('SaveSettings'), 'class="save"');

$form->addElement('html', '</div></div>');

// USER RIGHTS
$form->addElement('html', '<div><h3>'.Display::return_icon('user.png', Security::remove_XSS(get_lang('UserRights')),'',ICON_SIZE_SMALL).' '.Security::remove_XSS(get_lang('UserRights')).'</h3><div>');

$group = array();
$group[]=$form->createElement('radio', 'allow_user_edit_agenda', get_lang('AllowUserEditAgenda'), get_lang('AllowUserEditAgendaActivate'), 1);
$group[]=$form->createElement('radio', 'allow_user_edit_agenda', null, get_lang('AllowUserEditAgendaDeactivate'), 0);
$form->addGroup($group, '', array(get_lang("AllowUserEditAgenda")), '');

$group = array();
$group[]=$form->createElement('radio', 'allow_user_edit_announcement', get_lang('AllowUserEditAnnouncement'), get_lang('AllowUserEditAnnouncementActivate'), 1);
$group[]=$form->createElement('radio', 'allow_user_edit_announcement', null, get_lang('AllowUserEditAnnouncementDeactivate'), 0);
$form->addGroup($group, '', array(get_lang("AllowUserEditAnnouncement")), '');

$group = array();
$group[]=$form->createElement('radio', 'allow_user_image_forum', get_lang('AllowUserImageForum'), get_lang('AllowUserImageForumActivate'), 1);
$group[]=$form->createElement('radio', 'allow_user_image_forum', null, get_lang('AllowUserImageForumDeactivate'), 0);
$form->addGroup($group, '', array(get_lang("AllowUserImageForum")), '');

$group = array();
$group[]=$form->createElement('radio', 'allow_user_view_user_list', get_lang('AllowUserViewUserList'), get_lang('AllowUserViewUserListActivate'), 1);
$group[]=$form->createElement('radio', 'allow_user_view_user_list', null, get_lang('AllowUserViewUserListDeactivate'), 0);
$form->addGroup($group, '', array(get_lang("AllowUserViewUserList")), '');

$form->addElement('style_submit_button', null, get_lang('SaveSettings'), 'class="save"');
$form->addElement('html', '</div></div>');


// CHAT SETTINGS
$form->addElement('html', '<div><h3>'.Display::return_icon('chat.png', Security::remove_XSS(get_lang('ConfigChat')),'',ICON_SIZE_SMALL).' '.Security::remove_XSS(get_lang('ConfigChat')).'</h3><div>');

$group = array();
$group[]=$form->createElement('radio', 'allow_open_chat_window', get_lang('AllowOpenchatWindow'), get_lang('AllowOpenChatWindowActivate'), 1);
$group[]=$form->createElement('radio', 'allow_open_chat_window', null, get_lang('AllowOpenChatWindowDeactivate'), 0);
$form->addGroup($group, '', array(get_lang("AllowOpenchatWindow")), '');

$form->addElement('style_submit_button', null, get_lang('SaveSettings'), 'class="save"');
$form->addElement('html', '</div></div>');


// LEARNING PATH
$form->addElement('html', '<div><h3>'.Display::return_icon('scorms.png', get_lang('ConfigLearnpath'),'',ICON_SIZE_SMALL).' '.Security::remove_XSS(get_lang('ConfigLearnpath')).'</h3><div>');

//Auto launch LP
$group = array();
$group[]=$form->createElement('radio', 'enable_lp_auto_launch', get_lang('LPAutoLaunch'), get_lang('RedirectToALearningPath'), 1);
$group[]=$form->createElement('radio', 'enable_lp_auto_launch', get_lang('LPAutoLaunch'), get_lang('RedirectToTheLearningPathList'), 2);
$group[]=$form->createElement('radio', 'enable_lp_auto_launch', null, get_lang('Deactivate'), 0);
$form->addGroup($group, '', array(get_lang("LPAutoLaunch")), '');

if (api_get_setting('allow_course_theme') == 'true') {
    // Allow theme into Learning path
    $group = array();
    $group[]=$form->createElement('radio', 'allow_learning_path_theme', get_lang('AllowLearningPathTheme'), get_lang('AllowLearningPathThemeAllow'), 1);
    $group[]=$form->createElement('radio', 'allow_learning_path_theme', null, get_lang('AllowLearningPathThemeDisallow'), 0);
    $form->addGroup($group, '', array(get_lang("AllowLearningPathTheme")), '');
}

if (is_settings_editable()) {
    $form->addElement('style_submit_button', null, get_lang('SaveSettings'), 'class="save"');
} else {
    // Is it allowed to edit the course settings?
    if (!is_settings_editable()) {
        $disabled_output = "disabled";
    }
    $form->freeze();
}
$form->addElement('html', '</div></div>');


//Exercise
$form->addElement('html', '<div><h3>'.Display::return_icon('quiz.png', Security::remove_XSS(get_lang('Exercises')),'',ICON_SIZE_SMALL).' '.Security::remove_XSS(get_lang('Exercises')).'</h3><div>');

$group = array();
$group[]=$form->createElement('radio', 'allow_fast_exercise_edition', get_lang('AllowFastExerciseEdition'), get_lang('Yes'), 1);
$group[]=$form->createElement('radio', 'allow_fast_exercise_edition', get_lang('AllowFastExerciseEdition'), get_lang('No'), 0);

$form->addGroup($group, '', array(get_lang("AllowFastExerciseEdition")), '');

//Auto-launch Exercise LP
$group = array();
$group[]=$form->createElement('radio', 'enable_exercise_auto_launch', get_lang('ExerciseAutoLaunch'), get_lang('RedirectToExercise'), 1);
$group[]=$form->createElement('radio', 'enable_exercise_auto_launch', get_lang('ExerciseAutoLaunch'), get_lang('RedirectToTheExerciseList'), 2);
$group[]=$form->createElement('radio', 'enable_exercise_auto_launch', null, get_lang('Deactivate'), 0);
$form->addGroup($group, '', array(get_lang("ExerciseAutoLaunch")), '');

$form->addElement('style_submit_button', null, get_lang('SaveSettings'), 'class="save"');
$form->addElement('html', '</div></div>');


// THEMATIC ADVANCE SETTINGS
$form->addElement('html', '<div><h3>'.Display::return_icon('course_progress.png', Security::remove_XSS(get_lang('ThematicAdvanceConfiguration')),'',ICON_SIZE_SMALL).' '.Security::remove_XSS(get_lang('ThematicAdvanceConfiguration')).'</h3><div>');

$group = array();
$group[]=$form->createElement('radio', 'display_info_advance_inside_homecourse', get_lang('InfoAboutAdvanceInsideHomeCourse'), get_lang('DisplayAboutLastDoneAdvance'), 1);
$group[]=$form->createElement('radio', 'display_info_advance_inside_homecourse', null, get_lang('DisplayAboutNextAdvanceNotDone'), 2);
$group[]=$form->createElement('radio', 'display_info_advance_inside_homecourse', null, get_lang('DisplayAboutNextAdvanceNotDoneAndLastDoneAdvance'), 3);
$group[]=$form->createElement('radio', 'display_info_advance_inside_homecourse', null, get_lang('DoNotDisplayAnyAdvance'), 0);
$form->addGroup($group, '', array(get_lang("InfoAboutAdvanceInsideHomeCourse")), '');

$form->addElement('style_submit_button', null, get_lang('SaveSettings'), 'class="save"');
$form->addElement('html', '</div></div>');

// Certificate settings
if (api_get_setting('allow_public_certificates')=='true') {
    $form->addElement('html', '<div><h3>'.Display::return_icon('certificate.png', Security::remove_XSS(get_lang('Certificates')),'',ICON_SIZE_SMALL).' '.Security::remove_XSS(get_lang('Certificates')).'</h3><div>');
    $group = array();
    $group[]=$form->createElement('radio', 'allow_public_certificates', get_lang('AllowPublicCertificates'), get_lang('Yes'), 1);
    $group[]=$form->createElement('radio', 'allow_public_certificates', null, get_lang('No'), 0);
    $form->addGroup($group, '', array(get_lang("AllowPublicCertificates")), '');

    $form->addElement('style_submit_button', null, get_lang('SaveSettings'), 'class="save"');
    $form->addElement('html', '</div></div>');
}


// Plugin course settings

$app_plugin = new AppPlugin();
$app_plugin->add_course_settings_form($form);

// Get all the course information
$all_course_information =  CourseManager::get_course_information($_course['sysCode']);

// Set the default values of the form
$values = array();

$values['title']                        = $_course['name'];
$values['category_code']                = $_course['categoryCode'];
$values['course_language']              = $_course['language'];
$values['department_name']              = $_course['extLink']['name'];
$values['department_url']               = $_course['extLink']['url'];
$values['visibility']                   = $_course['visibility'];
$values['subscribe']                    = $course_access_settings['subscribe'];
$values['unsubscribe']                  = $course_access_settings['unsubscribe'];
$values['course_registration_password'] = $all_course_information['registration_code'];
$values['legal']                        = $all_course_information['legal'];
$values['activate_legal']               = $all_course_information['activate_legal'];
// Get send_mail_setting (auth)from table
$values['email_alert_to_teacher_on_new_user_in_course'] = api_get_course_setting('email_alert_to_teacher_on_new_user_in_course');
// Get send_mail_setting (work)from table
$values['email_alert_manager_on_new_doc']           = api_get_course_setting('email_alert_manager_on_new_doc');
// Get send_mail_setting (dropbox) from table
$values['email_alert_on_new_doc_dropbox']           = api_get_course_setting('email_alert_on_new_doc_dropbox');
// Get send_mail_setting (work)from table
$values['email_alert_manager_on_new_quiz']          = api_get_course_setting('email_alert_manager_on_new_quiz');
// Get allow_user_edit_agenda from table
$values['allow_user_edit_agenda']                   = api_get_course_setting('allow_user_edit_agenda');
// Get allow_user_edit_announcement from table
$values['allow_user_edit_announcement']             = api_get_course_setting('allow_user_edit_announcement');
// Get allow_user_image_forum from table
$values['allow_user_image_forum']                   = api_get_course_setting('allow_user_image_forum');
// Get allow_open_chat_window from table
$values['allow_open_chat_window']                   = api_get_course_setting('allow_open_chat_window');
// Get course_theme from table
$values['course_theme']                             = api_get_course_setting('course_theme');
// Get allow_learning_path_theme from table
$values['allow_learning_path_theme']                = api_get_course_setting('allow_learning_path_theme');
//Get allow show user list
$values['allow_user_view_user_list']                = api_get_course_setting('allow_user_view_user_list');
//Get allow show user list
$values['display_info_advance_inside_homecourse']   = api_get_course_setting('display_info_advance_inside_homecourse');
$values['email_alert_students_on_new_homework']     = api_get_course_setting('email_alert_students_on_new_homework');
$values['enable_lp_auto_launch']                    = api_get_course_setting('enable_lp_auto_launch');
$values['pdf_export_watermark_text']                = api_get_course_setting('pdf_export_watermark_text');
$values['allow_public_certificates']                = api_get_course_setting('allow_public_certificates');
$values['allow_fast_exercise_edition']              = api_get_course_setting('allow_fast_exercise_edition') == 1 ? 1 : 0;
$values['enable_exercise_auto_launch']              = api_get_course_setting('enable_exercise_auto_launch') == -1 ? 0 : api_get_course_setting('enable_exercise_auto_launch') ;

$app_plugin->set_course_settings_defaults($values);

$form->setDefaults($values);


// Validate form
if ($form->validate() && is_settings_editable()) {
    $update_values = $form->exportValues();

    $pdf_export_watermark_path = isset($_FILES['pdf_export_watermark_path']) ? $_FILES['pdf_export_watermark_path'] : null;

    if (!empty($pdf_export_watermark_path['name'])) {
        $pdf_export_watermark_path_result = PDF::upload_watermark($pdf_export_watermark_path['name'], $pdf_export_watermark_path['tmp_name'], $course_code);
        unset($update_values['pdf_export_watermark_path']);
    }

    //Variables that will be saved in the TABLE_MAIN_COURSE table
    $update_in_course_table = array(
        'title', 'course_language','category_code','department_name', 'department_url','visibility',
        'subscribe', 'unsubscribe','tutor_name','course_registration_password', 'legal', 'activate_legal'
    );

    foreach ($update_values as $index => $value) {
        $update_values[$index] = Database::escape_string($value);
    }
    $table_course = Database :: get_main_table(TABLE_MAIN_COURSE);

    $sql = "UPDATE $table_course SET
        title 				    = '".$update_values['title']."',
        course_language 	    = '".$update_values['course_language']."',
        category_code 		    = '".$update_values['category_code']."',
        department_name  	    = '".$update_values['department_name']."',
        department_url  	    = '".$update_values['department_url']."',
        visibility  		    = '".$update_values['visibility']."',
        subscribe  			    = '".$update_values['subscribe']."',
        unsubscribe  		    = '".$update_values['unsubscribe']."',
        legal                   = '".$update_values['legal']."',".
        (isset($update_values['activate_legal'])?" activate_legal          = '".$update_values['activate_legal']."',":'').
        " registration_code 	    = '".$update_values['course_registration_password']."'
        WHERE code = '".$course_code."'";

    Database::query($sql);

    // Update course_settings table - this assumes those records exist, otherwise triggers an error
    $table_course_setting = Database::get_course_table(TABLE_COURSE_SETTING);

    foreach ($update_values as $key => $value) {
        //We do not update variables that were already saved in the TABLE_MAIN_COURSE table
        if (!in_array($key, $update_in_course_table)) {
            $data = api_get_course_setting($key);
            //Setting does not exist we create one!
            if ($data == -1 && isset($values[$key])) {
                // @todo create a api_set_course_setting
                //api_set_course_setting()
                //api_set_setting($key, $update_values[$key], null, null, api_get_current_access_url_id());
                $params = array(
                    'c_id' => api_get_course_int_id(),
                    'variable' => $key,
                    'value' => $update_values[$key]
                );
                Database::insert($table_course_setting, $params);
            } else {
                Database::update($table_course_setting, array('value' => $update_values[$key]), array('variable = ? AND c_id = ?' => array($key, api_get_course_int_id())));
            }
        }
    }
    $app_plugin->save_course_settings($update_values);
    $courseInfo = api_get_course_info($course_code);
    Session::write('_course', $courseInfo);
    header('Location: infocours.php?action=show_message&cidReq='.$course_code);
    exit;
}

/*	Header */

Display :: display_header($nameTools, MODULE_HELP_NAME);
if ($show_delete_watermark_text_message) {
    Display :: display_normal_message(get_lang('FileDeleted'));
}
//api_display_tool_title($nameTools);
if (isset($_GET['action']) && $_GET['action'] == 'show_message') {
    Display :: display_normal_message(get_lang('ModifDone'));
}

echo '<script>
$(function() {
	$("#course_settings").accordion({
		autoHeight: false,
		header: "div > h3"
	});
});
</script>';

// Display the form
echo '<div id="course_settings">';
$form->display();
echo '</div>';

Display::display_footer();