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

/**
 *  This script displays a form for registering new users.
 *  @package    chamilo.auth
 */

use ChamiloSession as Session;

//quick hack to adapt the registration form result to the selected registration language
if (!empty($_POST['language'])) {
    $_GET['language'] = $_POST['language'];
}
require_once '../inc/global.inc.php';
$hideHeaders = isset($_GET['hide_headers']);

$allowedFields = [
    'official_code',
    'phone',
    'status',
    'language',
    'extra_fields'
];

$allowedFieldsConfiguration = api_get_configuration_value('allow_fields_inscription');

if ($allowedFieldsConfiguration !== false) {
    $allowedFields = $allowedFieldsConfiguration;
}

$htmlHeadXtra[] = api_get_password_checker_js('#username', '#pass1');

// User is not allowed if Terms and Conditions are disabled and
// registration is disabled too.
$isNotAllowedHere = api_get_setting('allow_terms_conditions') === 'false' &&
    api_get_setting('allow_registration') === 'false';

if ($isNotAllowedHere) {
    api_not_allowed(true, get_lang('RegistrationDisabled'));
}

if (!empty($_SESSION['user_language_choice'])) {
    $user_selected_language = $_SESSION['user_language_choice'];
} elseif (!empty($_SESSION['_user']['language'])) {
    $user_selected_language = $_SESSION['_user']['language'];
} else {
    $user_selected_language = api_get_setting('platformLanguage');
}

$form = new FormValidator('registration');

if (api_get_setting('allow_terms_conditions') == 'true') {
    $user_already_registered_show_terms = isset($_SESSION['term_and_condition']['user_id']);
} else {
    $user_already_registered_show_terms = false;
}

// Direct Link Subscription feature #5299
$course_code_redirect = isset($_REQUEST['c']) && !empty($_REQUEST['c']) ? $_REQUEST['c'] : null;
$exercise_redirect = isset($_REQUEST['e']) && !empty($_REQUEST['e']) ? $_REQUEST['e'] : null;

if (!empty($course_code_redirect)) {
    Session::write('course_redirect', $course_code_redirect);
    Session::write('exercise_redirect', $exercise_redirect);
}

if ($user_already_registered_show_terms == false) {
    if (api_is_western_name_order()) {
        // FIRST NAME and LAST NAME
        $form->addElement('text', 'firstname', get_lang('FirstName'), array('size' => 40));
        $form->addElement('text', 'lastname', get_lang('LastName'), array('size' => 40));
    } else {
        // LAST NAME and FIRST NAME
        $form->addElement('text', 'lastname', get_lang('LastName'), array('size' => 40));
        $form->addElement('text', 'firstname', get_lang('FirstName'), array('size' => 40));
    }
    $form->applyFilter(array('lastname', 'firstname'), 'trim');
    $form->addRule('lastname', get_lang('ThisFieldIsRequired'), 'required');
    $form->addRule('firstname', get_lang('ThisFieldIsRequired'), 'required');

    // EMAIL
    $form->addElement('text', 'email', get_lang('Email'), array('size' => 40));
    if (api_get_setting('registration', 'email') == 'true') {
        $form->addRule('email', get_lang('ThisFieldIsRequired'), 'required');
    }

    if (api_get_setting('login_is_email') == 'true') {
        $form->applyFilter('email', 'trim');
        if (api_get_setting('registration', 'email') != 'true') {
            $form->addRule('email', get_lang('ThisFieldIsRequired'), 'required');
        }
        $form->addRule('email', sprintf(get_lang('UsernameMaxXCharacters'), (string)USERNAME_MAX_LENGTH), 'maxlength', USERNAME_MAX_LENGTH);
        $form->addRule('email', get_lang('UserTaken'), 'username_available');
    }

    $form->addRule('email', get_lang('EmailWrong'), 'email');
    if (api_get_setting('openid_authentication') == 'true') {
        $form->addElement('text', 'openid', get_lang('OpenIDURL'), array('size' => 40));
    }

    // OFFICIAL CODE
    if (CONFVAL_ASK_FOR_OFFICIAL_CODE) {
        if (in_array('official_code', $allowedFields)) {
            $form->addElement(
                'text',
                'official_code',
                get_lang('OfficialCode'),
                array('size' => 40)
            );
            if (api_get_setting('registration', 'officialcode') == 'true') {
                $form->addRule(
                    'official_code',
                    get_lang('ThisFieldIsRequired'),
                    'required'
                );
            }
        }
    }

    // USERNAME
    if (api_get_setting('login_is_email') != 'true') {
        $form->addElement('text', 'username', get_lang('UserName'), array('id' => 'username', 'size' => USERNAME_MAX_LENGTH));
        $form->applyFilter('username', 'trim');
        $form->addRule('username', get_lang('ThisFieldIsRequired'), 'required');
        $form->addRule('username', sprintf(get_lang('UsernameMaxXCharacters'), (string)USERNAME_MAX_LENGTH), 'maxlength', USERNAME_MAX_LENGTH);
        $form->addRule('username', get_lang('UsernameWrong'), 'username');
        $form->addRule('username', get_lang('UserTaken'), 'username_available');
    }

    // PASSWORD
    $form->addElement('password', 'pass1', get_lang('Pass'), array('id' => 'pass1', 'size' => 20, 'autocomplete' => 'off'));

    $checkPass = api_get_setting('allow_strength_pass_checker');
    if ($checkPass == 'true') {
        $form->addElement('label', null, '<div id="password_progress"></div>');
    }

    $form->addElement('password', 'pass2', get_lang('Confirmation'), array('id' => 'pass2', 'size' => 20, 'autocomplete' => 'off'));
    $form->addRule('pass1', get_lang('ThisFieldIsRequired'), 'required');
    $form->addRule('pass2', get_lang('ThisFieldIsRequired'), 'required');
    $form->addRule(array('pass1', 'pass2'), get_lang('PassTwo'), 'compare');

    if (CHECK_PASS_EASY_TO_FIND) {
        $form->addRule(
            'password1',
            get_lang('PassTooEasy') . ': ' . api_generate_password(),
            'callback',
            'api_check_password'
        );
    }

    // PHONE
    if (in_array('phone', $allowedFields)) {
        $form->addElement(
            'text',
            'phone',
            get_lang('Phone'),
            array('size' => 20)
        );
        if (api_get_setting('registration', 'phone') == 'true') {
            $form->addRule(
                'phone',
                get_lang('ThisFieldIsRequired'),
                'required'
            );
        }
    }

    // LANGUAGE
    if (in_array('language', $allowedFields)) {
        if (api_get_setting('registration', 'language') == 'true') {
            $form->addElement(
                'select_language',
                'language',
                get_lang('Language')
            );
        }
    }
    // STUDENT/TEACHER
    if (api_get_setting('allow_registration_as_teacher') != 'false') {
        if (in_array('status', $allowedFields)) {
            $form->addElement(
                'radio',
                'status',
                get_lang('Profile'),
                get_lang('RegStudent'),
                STUDENT
            );
            $form->addElement(
                'radio',
                'status',
                null,
                get_lang('RegAdmin'),
                COURSEMANAGER
            );
        }
    }

    $captcha = api_get_setting('allow_captcha');
    $allowCaptcha = $captcha == 'true';

    if ($allowCaptcha) {
        $ajax = api_get_path(WEB_AJAX_PATH).'form.ajax.php?a=get_captcha';
        $options = array(
            'width'        => 220,
            'height'       => 90,
            'callback'     => $ajax.'&var='.basename(__FILE__, '.php'),
            'sessionVar'   => basename(__FILE__, '.php'),
            'imageOptions' => array(
                'font_size' => 20,
                'font_path' => api_get_path(SYS_FONTS_PATH) . 'opensans/',
                'font_file' => 'OpenSans-Regular.ttf',
                    //'output' => 'gif'
            )
        );

        $captcha_question =  $form->addElement('CAPTCHA_Image', 'captcha_question', '', $options);
        $form->addElement('static', null, null, get_lang('ClickOnTheImageForANewOne'));

        $form->addElement('text', 'captcha', get_lang('EnterTheLettersYouSee'), array('size' => 40));
        $form->addRule('captcha', get_lang('EnterTheCharactersYouReadInTheImage'), 'required', null, 'client');

        $form->addRule('captcha', get_lang('TheTextYouEnteredDoesNotMatchThePicture'), 'CAPTCHA', $captcha_question);
    }

    // EXTENDED FIELDS
    if (api_get_setting('extended_profile') == 'true' &&
        api_get_setting('extendedprofile_registration', 'mycomptetences') == 'true'
    ) {
        $form->addHtmlEditor('competences', get_lang('MyCompetences'), false, false, array('ToolbarSet' => 'register', 'Width' => '100%', 'Height' => '130'));
    }
    if (api_get_setting('extended_profile') == 'true' &&
        api_get_setting('extendedprofile_registration', 'mydiplomas') == 'true'
    ) {
        $form->addHtmlEditor('diplomas', get_lang('MyDiplomas'), false, false, array('ToolbarSet' => 'register', 'Width' => '100%', 'Height' => '130'));
    }
    if (api_get_setting('extended_profile') == 'true' &&
        api_get_setting('extendedprofile_registration', 'myteach') == 'true'
    ) {
        $form->addHtmlEditor('teach', get_lang('MyTeach'), false, false, array('ToolbarSet' => 'register', 'Width' => '100%', 'Height' => '130'));
    }
    if (api_get_setting('extended_profile') == 'true' &&
        api_get_setting('extendedprofile_registration', 'mypersonalopenarea') == 'true'
    ) {
        $form->addHtmlEditor('openarea', get_lang('MyPersonalOpenArea'), false, false, array('ToolbarSet' => 'register', 'Width' => '100%', 'Height' => '130'));
    }
    if (api_get_setting('extended_profile') == 'true') {
        if (api_get_setting('extendedprofile_registration', 'mycomptetences') == 'true' &&
            api_get_setting('extendedprofile_registrationrequired', 'mycomptetences') == 'true'
        ) {
            $form->addRule('competences', get_lang('ThisFieldIsRequired'), 'required');
        }
        if (api_get_setting('extendedprofile_registration', 'mydiplomas') == 'true' &&
            api_get_setting('extendedprofile_registrationrequired', 'mydiplomas') == 'true'
        ) {
            $form->addRule('diplomas', get_lang('ThisFieldIsRequired'), 'required');
        }
        if (api_get_setting('extendedprofile_registration', 'myteach') == 'true' &&
            api_get_setting('extendedprofile_registrationrequired', 'myteach') == 'true'
        ) {
            $form->addRule('teach', get_lang('ThisFieldIsRequired'), 'required');
        }
        if (api_get_setting('extendedprofile_registration', 'mypersonalopenarea') == 'true' &&
            api_get_setting('extendedprofile_registrationrequired', 'mypersonalopenarea') == 'true'
        ) {
            $form->addRule('openarea', get_lang('ThisFieldIsRequired'), 'required');
        }
    }

    // EXTRA FIELDS
    if (in_array('extra_fields', $allowedFields)) {
        $extraField = new ExtraField('user');
        $returnParams = $extraField->addElements($form);
    }
}

if (isset($_SESSION['user_language_choice']) && $_SESSION['user_language_choice'] != '') {
    $defaults['language'] = $_SESSION['user_language_choice'];
} else {
    $defaults['language'] = api_get_setting('platformLanguage');
}
if (!empty($_GET['username'])) {
    $defaults['username'] = Security::remove_XSS($_GET['username']);
}
if (!empty($_GET['email'])) {
    $defaults['email'] = Security::remove_XSS($_GET['email']);
}

if (!empty($_GET['phone'])) {
    $defaults['phone'] = Security::remove_XSS($_GET['phone']);
}

if (api_get_setting('openid_authentication') == 'true' && !empty($_GET['openid'])) {
    $defaults['openid'] = Security::remove_XSS($_GET['openid']);
}
$defaults['status'] = STUDENT;

$defaults['extra_mail_notify_invitation'] = 1;
$defaults['extra_mail_notify_message'] = 1;
$defaults['extra_mail_notify_group_message'] = 1;

$form->setDefaults($defaults);

$content = null;

if (!CustomPages::enabled()) {
    // Load terms & conditions from the current lang
    if (api_get_setting('allow_terms_conditions') == 'true') {
        $get = array_keys($_GET);
        if (isset($get)) {
            if ($get[0] == 'legal') {
                $language = api_get_interface_language();
                $language = api_get_language_id($language);
                $term_preview = LegalManager::get_last_condition($language);
                if (!$term_preview) {
                    //look for the default language
                    $language = api_get_setting('platformLanguage');
                    $language = api_get_language_id($language);
                    $term_preview = LegalManager::get_last_condition($language);
                }
                $tool_name = get_lang('TermsAndConditions');
                Display :: display_header($tool_name);

                if (!empty($term_preview['content'])) {
                    echo $term_preview['content'];
                } else {
                    echo get_lang('ComingSoon');
                }
                Display :: display_footer();
                exit;
            }
        }
    }

    $tool_name = get_lang('Registration', null, (!empty($_POST['language'])?$_POST['language']: $_user['language']));

    if (api_get_setting('allow_terms_conditions') == 'true' && $user_already_registered_show_terms) {
        $tool_name = get_lang('TermsAndConditions');
    }

    $home = api_get_path(SYS_APP_PATH).'home/';
    if (api_is_multiple_url_enabled()) {
        $access_url_id = api_get_current_access_url_id();
        if ($access_url_id != -1) {
            $url_info = api_get_access_url($access_url_id);
            $url = api_remove_trailing_slash(preg_replace('/https?:\/\//i', '', $url_info['url']));
            $clean_url = api_replace_dangerous_char($url);
            $clean_url = str_replace('/', '-', $clean_url);
            $clean_url .= '/';
            $home_old  = api_get_path(SYS_APP_PATH).'home/';
            $home = api_get_path(SYS_APP_PATH).'home/'.$clean_url;
        }
    }

    if (file_exists($home.'register_top_'.$user_selected_language.'.html')) {
        $home_top_temp = @(string)file_get_contents($home.'register_top_'.$user_selected_language.'.html');
        $open = str_replace('{rel_path}', api_get_path(REL_PATH), $home_top_temp);
        $open = api_to_system_encoding($open, api_detect_encoding(strip_tags($open)));
        if (!empty($open)) {
            $content =  '<div class="well_border">'.$open.'</div>';
        }
    }

    // Forbidden to self-register
    if ($isNotAllowedHere) {
        api_not_allowed(true, get_lang('RegistrationDisabled'));
    }

    if (api_get_setting('allow_registration') == 'approval') {
        $content .= Display::return_message(get_lang('YourAccountHasToBeApproved'));
    }

    //if openid was not found
    if (!empty($_GET['openid_msg']) && $_GET['openid_msg'] == 'idnotfound') {
        $content .= Display::return_message(get_lang('OpenIDCouldNotBeFoundPleaseRegister'));
    }
}

// Terms and conditions
if (api_get_setting('allow_terms_conditions') == 'true') {
    $language = api_get_interface_language();
    $language = api_get_language_id($language);
    $term_preview = LegalManager::get_last_condition($language);

    if (!$term_preview) {
        //we load from the platform
        $language = api_get_setting('platformLanguage');
        $language = api_get_language_id($language);
        $term_preview = LegalManager::get_last_condition($language);

        //if is false we load from english
        if (!$term_preview) {
            $language = api_get_language_id('english'); //this must work
            $term_preview = LegalManager::get_last_condition($language);
        }
    }

    // Version and language
    $form->addElement('hidden', 'legal_accept_type', $term_preview['version'].':'.$term_preview['language_id']);
    $form->addElement('hidden', 'legal_info', $term_preview['legal_id'].':'.$term_preview['language_id']);

    if ($term_preview['type'] == 1) {
        $form->addElement(
            'checkbox',
            'legal_accept',
            null,
            get_lang('IHaveReadAndAgree').'&nbsp;<a href="inscription.php?legal" target="_blank">'.get_lang('TermsAndConditions').'</a>'
        );
        $form->addRule('legal_accept',  get_lang('ThisFieldIsRequired'), 'required');
    } else {
        $preview = LegalManager::show_last_condition($term_preview);
        $form->addElement('label', null, $preview);
    }
}

$form->addButtonCreate(get_lang('RegisterUser'));

$course_code_redirect = Session::read('course_redirect');

if ($form->validate()) {
    $values = $form->getSubmitValues(1);
    // Make *sure* the login isn't too long
    $values['username'] = api_substr($values['username'], 0, USERNAME_MAX_LENGTH);

    if (api_get_setting('allow_registration_as_teacher') == 'false') {
        $values['status'] = STUDENT;
    }

    if (empty($values['official_code'])) {
        $values['official_code'] = api_strtoupper($values['username']);
    }

    if (api_get_setting('login_is_email') == 'true') {
        $values['username'] = $values['email'];
    }

    if ($user_already_registered_show_terms &&
        api_get_setting('allow_terms_conditions') == 'true'
    ) {
        $user_id = $_SESSION['term_and_condition']['user_id'];
        $is_admin = UserManager::is_admin($user_id);
        Session::write('is_platformAdmin', $is_admin);
    } else {
        // Moved here to include extra fields when creating a user. Formerly placed after user creation
        // Register extra fields
        $extras = array();
        foreach ($values as $key => $value) {
            if (substr($key, 0, 6) == 'extra_') {
                //an extra field
                $extras[substr($key, 6)] = $value;
            } elseif (strpos($key, 'remove_extra_') !== false) {
                $extra_value = Security::filter_filename(urldecode(key($value)));
                // To remove from user_field_value and folder
                UserManager::update_extra_field_value(
                    $user_id,
                    substr($key, 13),
                    $extra_value
                );
            }
        }

        $status = isset($values['status']) ? $values['status'] : STUDENT;
        $phone = isset($values['phone']) ? $values['phone'] : null;
        $values['language'] = isset($values['language']) ? $values['language'] : api_get_interface_language();
        // Creates a new user
        $user_id = UserManager::create_user(
            $values['firstname'],
            $values['lastname'],
            $status,
            $values['email'],
            $values['username'],
            $values['pass1'],
            $values['official_code'],
            $values['language'],
            $phone,
            null,
            PLATFORM_AUTH_SOURCE,
            null,
            1,
            0,
            $extras,
            null,
            true
        );

        //update the extra fields
        $count_extra_field = count($extras);
        if ($count_extra_field > 0) {
            foreach ($extras as $key => $value) {
                // For array $value -> if exists key 'tmp_name' then must not be empty
                // This avoid delete from user field value table when doesn't upload a file
                if (is_array($value)) {
                    if (array_key_exists('tmp_name', $value) && empty($value['tmp_name'])) {
                        //Nothing to do
                    } else {
                        if (array_key_exists('tmp_name', $value)) {
                            $value['tmp_name'] = Security::filter_filename($value['tmp_name']);
                        }
                        if (array_key_exists('name', $value)) {
                            $value['name'] = Security::filter_filename($value['name']);
                        }
                        UserManager::update_extra_field_value($user_id, $key, $value);
                    }
                } else {
                    UserManager::update_extra_field_value($user_id, $key, $value);
                }
            }
        }

        if ($user_id) {
            // Storing the extended profile
            $store_extended = false;

            $sql = "UPDATE ".Database::get_main_table(TABLE_MAIN_USER)." SET ";

            if (api_get_setting('extended_profile') == 'true' &&
                api_get_setting('extendedprofile_registration', 'mycomptetences') == 'true'
            ) {
                $sql_set[] = "competences = '".Database::escape_string($values['competences'])."'";
                $store_extended = true;
            }

            if (api_get_setting('extended_profile') == 'true' &&
                api_get_setting('extendedprofile_registration', 'mydiplomas') == 'true'
            ) {
                $sql_set[] = "diplomas = '".Database::escape_string($values['diplomas'])."'";
                $store_extended = true;
            }

            if (api_get_setting('extended_profile') == 'true' &&
                api_get_setting('extendedprofile_registration', 'myteach') == 'true'
            ) {
                $sql_set[] = "teach = '".Database::escape_string($values['teach'])."'";
                $store_extended = true;
            }

            if (api_get_setting('extended_profile') == 'true' &&
                api_get_setting('extendedprofile_registration', 'mypersonalopenarea') == 'true'
            ) {
                $sql_set[] = "openarea = '".Database::escape_string($values['openarea'])."'";
                $store_extended = true;
            }

            if ($store_extended) {
                $sql .= implode(',', $sql_set);
                $sql .= " WHERE user_id = ".intval($user_id)."";
                Database::query($sql);
            }

            // Saving user to course if it was set.
            if (!empty($course_code_redirect)) {
                $course_info = api_get_course_info($course_code_redirect);
                if (!empty($course_info)) {
                    if (in_array(
                        $course_info['visibility'],
                        array(
                            COURSE_VISIBILITY_OPEN_PLATFORM,
                            COURSE_VISIBILITY_OPEN_WORLD
                        )
                    )
                    ) {
                        CourseManager::subscribe_user(
                            $user_id,
                            $course_info['code']
                        );
                    }
                }
            }

            /* If the account has to be approved then we set the account to inactive,
            sent a mail to the platform admin and exit the page.*/

            if (api_get_setting('allow_registration') == 'approval') {
                $TABLE_USER = Database::get_main_table(TABLE_MAIN_USER);
                // 1. set account inactive
                $sql = "UPDATE $TABLE_USER SET active='0' WHERE user_id = ".$user_id;
                Database::query($sql);

                // 2. Send mail to all platform admin
                $emailsubject  = get_lang('ApprovalForNewAccount', null, $values['language']).': '.$values['username'];
                $emailbody = get_lang('ApprovalForNewAccount', null, $values['language'])."\n";
                $emailbody .= get_lang('UserName', null, $values['language']).': '.$values['username']."\n";

                if (api_is_western_name_order()) {
                    $emailbody .= get_lang('FirstName', null, $values['language']).': '.$values['firstname']."\n";
                    $emailbody .= get_lang('LastName', null, $values['language']).': '.$values['lastname']."\n";
                } else {
                    $emailbody .= get_lang('LastName', null, $values['language']).': '.$values['lastname']."\n";
                    $emailbody .= get_lang('FirstName', null, $values['language']).': '.$values['firstname']."\n";
                }
                $emailbody .= get_lang('Email', null, $values['language']).': '.$values['email']."\n";
                $emailbody .= get_lang('Status', null, $values['language']).': '.$values['status']."\n\n";

                $url_edit = Display::url(
                    api_get_path(WEB_CODE_PATH).'admin/user_edit.php?user_id='.$user_id,
                    api_get_path(WEB_CODE_PATH).'admin/user_edit.php?user_id='.$user_id
                );

                $emailbody .= get_lang('ManageUser', null, $values['language']).": $url_edit";

                $admins = UserManager::get_all_administrators();
                foreach ($admins as $admin_info) {
                    MessageManager::send_message(
                        $admin_info['user_id'],
                        $emailsubject,
                        $emailbody,
                        null,
                        null,
                        null,
                        null,
                        null,
                        null,
                        $user_id
                    );
                }

                // 3. exit the page
                unset($user_id);

                Display::display_header($tool_name);
                echo Display::page_header($tool_name);
                echo $content;
                Display::display_footer();
                exit;
            }
        }
    }

    // Terms & Conditions
    if (api_get_setting('allow_terms_conditions') == 'true') {
        // Update the terms & conditions.
        if (isset($values['legal_accept_type'])) {
            $cond_array = explode(':', $values['legal_accept_type']);
            if (!empty($cond_array[0]) && !empty($cond_array[1])) {
                $time = time();
                $condition_to_save = intval($cond_array[0]).':'.intval($cond_array[1]).':'.$time;
                UserManager::update_extra_field_value($user_id, 'legal_accept', $condition_to_save);
            }
        }
        $values = api_get_user_info($user_id);
    }

    /* SESSION REGISTERING */
    /* @todo move this in a function */
    $_user['firstName'] = stripslashes($values['firstname']);
    $_user['lastName'] = stripslashes($values['lastname']);
    $_user['mail'] = $values['email'];
    $_user['language'] = $values['language'];
    $_user['user_id'] = $user_id;
    $is_allowedCreateCourse = isset($values['status']) && $values['status'] == 1;
    $usersCanCreateCourse = api_get_setting('allow_users_to_create_courses') == 'true';

    Session::write('_user', $_user);
    Session::write('is_allowedCreateCourse', $is_allowedCreateCourse);

    // Stats
    Event::event_login($user_id);

    // last user login date is now
    $user_last_login_datetime = 0; // used as a unix timestamp it will correspond to : 1 1 1970
    Session::write('user_last_login_datetime', $user_last_login_datetime);
    $recipient_name = api_get_person_name($values['firstname'], $values['lastname']);
    $text_after_registration =
        '<p>'.
        get_lang('Dear', null, $_user['language']).' '.
        stripslashes(Security::remove_XSS($recipient_name)).',<br /><br />'.
        get_lang('PersonalSettings',null,$_user['language']).".</p>";

    $form_data = array(
        'button' => Display::button('next', get_lang('Next', null, $_user['language']), array('class' => 'btn btn-primary btn-large')),
        'message' => null,
        'action' => api_get_path(WEB_PATH).'user_portal.php'
    );

    if (api_get_setting('allow_terms_conditions') == 'true' && $user_already_registered_show_terms) {
        $form_data['action'] = api_get_path(WEB_PATH).'user_portal.php';
    } else {

        if (!empty($values['email'])) {
            $text_after_registration.= '<p>'.get_lang('MailHasBeenSent', null, $_user['language']).'.</p>';
        }

        if ($is_allowedCreateCourse) {
            if ($usersCanCreateCourse) {
                $form_data['message'] = '<p>'. get_lang('NowGoCreateYourCourse', null, $_user['language']). "</p>";
            }
            $form_data['action']  = '../create_course/add_course.php';

            if (api_get_setting('course_validation') == 'true') {
                $form_data['button'] = Display::button(
                    'next',
                    get_lang('CreateCourseRequest', null, $_user['language']),
                    array('class' => 'btn btn-primary btn-large')
                );
            } else {
                $form_data['button'] = Display::button(
                    'next',
                    get_lang('CourseCreate', null, $_user['language']),
                    array('class' => 'btn btn-primary btn-large')
                );
                $form_data['go_button'] = '&nbsp;&nbsp;<a href="'.api_get_path(WEB_PATH).'index.php'.'">'.
                    Display::span(get_lang('Next', null, $_user['language']), array('class' => 'btn btn-primary btn-large')).'</a>';
            }
        } else {
            if (api_get_setting('allow_students_to_browse_courses') == 'true') {
                $form_data['action'] = 'courses.php?action=subscribe';
                $form_data['message'] = '<p>'. get_lang('NowGoChooseYourCourses', null, $_user['language']). ".</p>";
            } else {
                $form_data['action'] = api_get_path(WEB_PATH).'user_portal.php';
            }
            $form_data['button'] = Display::button(
                'next',
                get_lang('Next', null, $_user['language']),
                array('class' => 'btn btn-primary btn-large')
            );
        }
    }

    $form_data = CourseManager::redirectToCourse($form_data);

    $form_register = new FormValidator('form_register', 'post', $form_data['action']);
    if (!empty($form_data['message'])) {
        $form_register->addElement('html', $form_data['message'].'<br /><br />');
    }

    if ($usersCanCreateCourse) {
        $form_register->addElement('html', $form_data['button']);
    } else {
        $form_register->addElement('html', $form_data['go_button']);
    }

    $text_after_registration .= $form_register->returnForm();

    // Just in case
    Session::erase('course_redirect');
    Session::erase('exercise_redirect');

    if (CustomPages::enabled()) {
        CustomPages::display(
            CustomPages::REGISTRATION_FEEDBACK,
            array('info' => $text_after_registration)
        );
    } else {

        $tpl = new Template($tool_name);

        $tpl->assign('inscription_content', $content);
        $tpl->assign('text_after_registration', $text_after_registration);
        $tpl->assign('hide_header', $hideHeaders);
        $inscription = $tpl->get_template('auth/inscription.tpl');
        $tpl->display($inscription);
    }
} else {
    // Custom pages
    if (CustomPages::enabled()) {
        CustomPages::display(
            CustomPages::REGISTRATION, array('form' => $form)
        );
    } else {

        if (!api_is_anonymous()) {
            // Saving user to course if it was set.
            if (!empty($course_code_redirect)) {
                $course_info = api_get_course_info($course_code_redirect);
                if (!empty($course_info)) {
                    if (in_array(
                        $course_info['visibility'],
                        array(
                            COURSE_VISIBILITY_OPEN_PLATFORM,
                            COURSE_VISIBILITY_OPEN_WORLD
                        )
                    )
                    ) {
                        CourseManager::subscribe_user(
                            $user_id,
                            $course_info['code']
                        );
                    }
                }
            }
            CourseManager::redirectToCourse([]);
        }

        $tpl = new Template($tool_name);

        $tpl->assign('inscription_header', Display::page_header($tool_name));
        $tpl->assign('inscription_content', $content);
        $tpl->assign('form', $form->returnForm());
        $tpl->assign('hide_header', $hideHeaders);

        $inscription = $tpl->get_template('auth/inscription.tpl');
        $tpl->display($inscription);
    }
}
