<?php

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

/**
 * @deprecated This file is very likely completely deprecated
 */

use ChamiloSession as Session;

/**
 * With this tool you can easily adjust non-critical configuration settings.
 * Non-critical means that changing them will not result in a broken campus.
 *
 * @author Patrick Cool
 * @author Julio Montoya - Multiple URL site
 */

// Resetting the course id.
$cidReset = true;

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

// Setting the section (for the tabs).
$this_section = SECTION_PLATFORM_ADMIN;
$_SESSION['this_section'] = $this_section;

// Access restrictions.
api_protect_admin_script();

// Database table definitions.
$table_settings_current = Database::get_main_table(TABLE_MAIN_SETTINGS);

// Setting breadcrumbs.
$interbreadcrumb[] = ['url' => api_get_path(WEB_PATH).'admin', 'name' => get_lang('Administration')];

// Setting the name of the tool.
$tool_name = get_lang('Configuration settings');
if (empty($_GET['category'])) {
    $_GET['category'] = 'Platform';
}
$watermark_deleted = false;
if (isset($_GET['delete_watermark'])) {
    $watermark_deleted = PDF::delete_watermark();
    Display::addFlash(Display::return_message(get_lang('File deleted')));
}

if (isset($_GET['action']) && 'delete_grading' == $_GET['action']) {
    $id = intval($_GET['id']);
    api_delete_setting_option($id);
}

$url_id = api_get_current_access_url_id();

$settings = null;

// Build the form.
if (!empty($_GET['category']) &&
    !in_array($_GET['category'], ['Plugins', 'Search'])
) {
    $my_category = isset($_GET['category']) ? $_GET['category'] : null;
    $settings_array = getCategorySettings($my_category);
    $settings = $settings_array['settings'];
    $settings_by_access_list = $settings_array['settings_by_access_list'];
    $form = generateSettingsForm($settings, $settings_by_access_list);

    if ($form->validate()) {
        $values = $form->exportValues();

        $mark_all = false;
        $un_mark_all = false;

        if (api_is_multiple_url_enabled()) {
            if (isset($values['buttons_in_action_right']) &&
                isset($values['buttons_in_action_right']['mark_all'])
            ) {
                $mark_all = true;
            }

            if (isset($values['buttons_in_action_right']) &&
                isset($values['buttons_in_action_right']['unmark_all'])
            ) {
                $un_mark_all = true;
            }
        }

        if ($mark_all || $un_mark_all) {
            if (api_is_global_platform_admin()) {
                $locked_settings = api_get_locked_settings();
                foreach ($values as $key => $value) {
                    if (!in_array($key, $locked_settings)) {
                        $changeable = 0;
                        if ($mark_all) {
                            $changeable = 1;
                        }

                        $params = ['variable = ?' => [$key]];
                        $data = api_get_settings_params($params);

                        if (!empty($data)) {
                            foreach ($data as $item) {
                                $params = [
                                    'id' => $item['id'],
                                    'access_url_changeable' => $changeable,
                                ];
                                api_set_setting_simple($params);
                            }
                        }
                    }
                }
                // Reload settings
                $settings_array = getCategorySettings($my_category);
                $settings = $settings_array['settings'];
                $settings_by_access_list = $settings_array['settings_by_access_list'];
                $form = generateSettingsForm(
                    $settings,
                    $settings_by_access_list
                );
            }
        }
        if (!empty($_FILES['pdf_export_watermark_path'])) {
            $pdf_export_watermark_path = $_FILES['pdf_export_watermark_path'];
        }

        if (isset($pdf_export_watermark_path) && !empty($pdf_export_watermark_path['name'])) {
            $pdf_export_watermark_path_result = PDF::upload_watermark(
                $pdf_export_watermark_path['name'],
                $pdf_export_watermark_path['tmp_name']
            );
            if ($pdf_export_watermark_path_result) {
                Display::addFlash(Display::return_message(get_lang('File upload succeeded!')));
            } else {
                $message = get_lang('The uploaded file could not be saved (perhaps a permission problem?)').' '.get_lang('Folder').': '.api_get_path(SYS_CODE_PATH).'default_course_document/images';
                Display::addFlash(Display::return_message($message), 'warning');
            }
            unset($update_values['pdf_export_watermark_path']);
        }

        if (isset($values['allow_social_tool']) && 'true' == $values['allow_social_tool']) {
            $values['allow_message_tool'] = 'true';
        }

        foreach ($settings as $item) {
            $key = $item['variable'];
            if ('prevent_multiple_simultaneous_login' === $key) {
                Session::write('first_user_login', 1);
            }
            if ('search_field' == $key || 'submit_fixed_in_bottom' == $key) {
                continue;
            }
            $key = Database::escape_string($key);
            $sql = "UPDATE $table_settings_current
                    SET selected_value = 'false'
                    WHERE
                        variable = '".$key."' AND
                        access_url = ".intval($url_id)." AND
                        type IN ('checkbox', 'radio') ";
            $res = Database::query($sql);
        }

        // Save the settings.
        $keys = [];

        foreach ($values as $key => $value) {
            if (0 === strcmp($key, 'MAX_FILE_SIZE')) {
                continue;
            }
            // Avoid form elements which have nothing to do with settings
            if ('search_field' == $key || 'submit_fixed_in_bottom' == $key) {
                continue;
            }

            // Treat gradebook values in separate function.
            //if (strpos($key, 'gradebook_score_display_custom_values') === false) {
            if (!is_array($value)) {
                $old_value = api_get_setting($key);
                switch ($key) {
                    case 'header_extra_content':
                        file_put_contents(api_get_home_path().'header_extra_content.txt', $value);
                        $value = api_get_home_path().'header_extra_content.txt';
                        break;
                    case 'footer_extra_content':
                        file_put_contents(api_get_home_path().'footer_extra_content.txt', $value);
                        $value = api_get_home_path().'footer_extra_content.txt';
                        break;
                    case 'InstitutionUrl':
                    case 'course_validation_terms_and_conditions_url':
                        // URL validation for some settings.
                        $value = trim(Security::remove_XSS($value));
                        if ('' != $value) {
                            // Here we accept absolute URLs only.
                            if (false === strpos($value, '://')) {
                                $value = 'http://'.$value;
                            }
                            if (!api_valid_url($value, true)) {
                                // If the new (non-empty) URL value is invalid, then the old URL value stays.
                                $value = $old_value;
                            }
                        }
                        // If the new URL value is empty, then it will be stored (i.e. the setting will be deleted).
                        break;
                    case 'emailAdministrator':
                        // Validation against e-mail address for some settings.
                        $value = trim(Security::remove_XSS($value));
                        if ('' != $value && !api_valid_email($value)) {
                            // If the new (non-empty) e-mail address is invalid, then the old e-mail address stays.
                            // If the new e-mail address is empty, then it will be stored (i.e. the setting will be deleted).
                            $value = $old_value;
                        }
                        break;
                }
                if ($old_value != $value) {
                    $keys[] = $key;
                }
                $result = api_set_setting($key, $value, null, null, $url_id);
            } else {
                $sql = "SELECT subkey FROM $table_settings_current
                        WHERE variable = '$key'";
                $res = Database::query($sql);

                while ($row_subkeys = Database::fetch_array($res)) {
                    // If subkey is changed:
                    if ((isset($value[$row_subkeys['subkey']]) && 'false' == api_get_setting($key, $row_subkeys['subkey'])) ||
                        (!isset($value[$row_subkeys['subkey']]) && 'true' == api_get_setting($key, $row_subkeys['subkey']))
                    ) {
                        $keys[] = $key;
                        break;
                    }
                }

                foreach ($value as $subkey => $subvalue) {
                    $result = api_set_setting($key, 'true', $subkey, null, $url_id);
                }
            }
        }

        // Add event configuration settings category to the system log.
        $user_id = api_get_user_id();
        $category = $_GET['category'];
        Event::addEvent(
            LOG_CONFIGURATION_SETTINGS_CHANGE,
            LOG_CONFIGURATION_SETTINGS_CATEGORY,
            $category,
            api_get_utc_datetime(),
            $user_id
        );

        // Add event configuration settings variable to the system log.
        if (is_array($keys) && count($keys) > 0) {
            foreach ($keys as $variable) {
                Event::addEvent(
                    LOG_CONFIGURATION_SETTINGS_CHANGE,
                    LOG_CONFIGURATION_SETTINGS_VARIABLE,
                    $variable,
                    api_get_utc_datetime(),
                    $user_id
                );
            }
        }

        Display::addFlash(Display::return_message(get_lang('Update successful')));

        header('Location: '.api_get_self().'?category='.Security::remove_XSS($my_category));
        exit;
    }
}
$htmlHeadXtra[] = '<script>
    var hide_icon = "'.api_get_path(WEB_IMG_PATH).'/icons/32/shared_setting_na.png";
    var show_icon = "'.api_get_path(WEB_IMG_PATH).'/icons/32/shared_setting.png";
    var url       = "'.api_get_path(WEB_AJAX_PATH).'admin.ajax.php?a=update_changeable_setting";

    $(function() {
        $(".share_this_setting").on("click", function() {
            var my_img = $(this).find("img");
            var link = $(this);
            $.ajax({
                url: url,
                data: {
                    changeable: $(this).attr("data_status"),
                    id: $(this).attr("data_to_send")
                },
                success: function(data) {
                    if (data == 1) {
                        if (link.attr("data_status") == 1) {
                            my_img.attr("src", show_icon);
                            link.attr("data_status", 0);
                        } else {
                            my_img.attr("src", hide_icon);
                            link.attr("data_status", 1);
                        }
                    }
                }
            });
        });
    });
</script>';

ob_start();
if (!empty($_GET['category'])) {
    switch ($_GET['category']) {
        case 'Regions':
            handleRegions();
            break;
        case 'Plugins':
            echo '<div class="tab_wrapper">';
            echo '<div class="tab-content" id="tabs-content">';
            echo '<div class="tab-pane fade show active" id="tab1" role="tabpanel" aria-labelledby="plugin-tab-1">';
            handlePlugins();
            echo '</div>';
            echo '</div>';
            echo '</div>';
            break;
        case 'Search':
            handleSearch();
            break;
        case 'Templates':
            handleTemplates();
            break;
        default:
            api_not_allowed(true);
            break;
    }
}
$content = ob_get_clean();

// Including the header (banner).
Display::display_header($tool_name);

echo $content;

Display::display_footer();
