<?php

use MintyPHP\Buffer;
use MintyPHP\Support\Flash;
use MintyPHP\Support\Guard;
use MintyPHP\Router;
use MintyPHP\Service\SettingService;
use MintyPHP\Service\TenantService;
use MintyPHP\Service\RoleService;
use MintyPHP\Service\DepartmentService;
use MintyPHP\Service\PermissionService;

Guard::requireLogin();
Guard::requirePermission(PermissionService::SETTINGS_VIEW);

$tenants = TenantService::list();
$roles = RoleService::list();
$departments = DepartmentService::list();

$sortByDescription = static function ($a, $b) {
    return strcmp((string) ($a['description'] ?? ''), (string) ($b['description'] ?? ''));
};
usort($tenants, $sortByDescription);
usort($roles, $sortByDescription);
usort($departments, $sortByDescription);

$values = [
    'default_tenant_id' => SettingService::getDefaultTenantId(),
    'default_role_id' => SettingService::getDefaultRoleId(),
    'default_department_id' => SettingService::getDefaultDepartmentId(),
    'app_title' => SettingService::getAppTitle(),
    'app_locale' => SettingService::getAppLocale(),
    'app_theme' => SettingService::getAppTheme(),
    'app_theme_user' => SettingService::isUserThemeAllowed(),
    'app_primary_color' => SettingService::getAppPrimaryColor(),
    'smtp_host' => SettingService::getSmtpHost(),
    'smtp_port' => SettingService::getSmtpPort(),
    'smtp_user' => SettingService::getSmtpUser(),
    'smtp_secure' => SettingService::getSmtpSecure(),
    'smtp_from' => SettingService::getSmtpFrom(),
    'smtp_from_name' => SettingService::getSmtpFromName(),
];
$settings = [
    'default_tenant' => SettingService::get(SettingService::DEFAULT_TENANT_KEY),
    'default_role' => SettingService::get(SettingService::DEFAULT_ROLE_KEY),
    'default_department' => SettingService::get(SettingService::DEFAULT_DEPARTMENT_KEY),
    'app_title' => SettingService::get(SettingService::APP_TITLE_KEY),
    'app_locale' => SettingService::get(SettingService::APP_LOCALE_KEY),
    'app_theme' => SettingService::get(SettingService::APP_THEME_KEY),
    'app_theme_user' => SettingService::get(SettingService::APP_THEME_USER_KEY),
    'app_primary_color' => SettingService::get(SettingService::APP_PRIMARY_COLOR_KEY),
    'smtp_host' => SettingService::get(SettingService::SMTP_HOST_KEY),
    'smtp_port' => SettingService::get(SettingService::SMTP_PORT_KEY),
    'smtp_user' => SettingService::get(SettingService::SMTP_USER_KEY),
    'smtp_password' => SettingService::get(SettingService::SMTP_PASSWORD_KEY),
    'smtp_secure' => SettingService::get(SettingService::SMTP_SECURE_KEY),
    'smtp_from' => SettingService::get(SettingService::SMTP_FROM_KEY),
    'smtp_from_name' => SettingService::get(SettingService::SMTP_FROM_NAME_KEY),
];

if ($_SERVER['REQUEST_METHOD'] === 'POST') {
    if (!isset($_POST['settings_submit'])) {
        Router::redirect('admin/settings');
    }
    Guard::requirePermission(PermissionService::SETTINGS_UPDATE);
    $defaultTenantId = (int) ($_POST['default_tenant_id'] ?? 0);
    $defaultRoleId = (int) ($_POST['default_role_id'] ?? 0);
    $defaultDepartmentId = (int) ($_POST['default_department_id'] ?? 0);
    $appTitle = trim((string) ($_POST['app_title'] ?? ''));
    $appLocale = trim((string) ($_POST['app_locale'] ?? ''));
    $appTheme = trim((string) ($_POST['app_theme'] ?? ''));
    $appThemeUser = isset($_POST['app_theme_user']);
    $rawPrimaryColor = $_POST['app_primary_color'] ?? '';
    if (is_array($rawPrimaryColor)) {
        $rawPrimaryColor = '';
    }
    $appPrimaryColor = trim((string) $rawPrimaryColor);
    if (in_array(strtolower($appPrimaryColor), ['null', 'undefined'], true)) {
        $appPrimaryColor = '';
    }
    $smtpHost = trim((string) ($_POST['smtp_host'] ?? ''));
    $smtpPort = (int) ($_POST['smtp_port'] ?? 0);
    $smtpUser = trim((string) ($_POST['smtp_user'] ?? ''));
    $smtpPassword = (string) ($_POST['smtp_password'] ?? '');
    $smtpSecure = trim((string) ($_POST['smtp_secure'] ?? ''));
    $smtpFrom = trim((string) ($_POST['smtp_from'] ?? ''));
    $smtpFromName = trim((string) ($_POST['smtp_from_name'] ?? ''));

    SettingService::setDefaultTenantId($defaultTenantId > 0 ? $defaultTenantId : null);
    SettingService::setDefaultRoleId($defaultRoleId > 0 ? $defaultRoleId : null);
    SettingService::setDefaultDepartmentId($defaultDepartmentId > 0 ? $defaultDepartmentId : null);
    SettingService::setAppTitle($appTitle);
    SettingService::setAppLocale($appLocale);
    SettingService::setAppTheme($appTheme);
    SettingService::setUserThemeAllowed($appThemeUser);
    $primaryOk = SettingService::setAppPrimaryColor($appPrimaryColor);
    if (!$primaryOk) {
        $appPrimaryColor = '';
        Flash::error('Primary color is invalid', 'admin/settings', 'app_primary_invalid');
    }
    SettingService::setSmtpHost($smtpHost);
    SettingService::setSmtpPort($smtpPort > 0 ? $smtpPort : null);
    SettingService::setSmtpUser($smtpUser);
    if (trim($smtpPassword) !== '') {
        SettingService::setSmtpPassword($smtpPassword);
    }
    SettingService::setSmtpSecure($smtpSecure);
    SettingService::setSmtpFrom($smtpFrom);
    SettingService::setSmtpFromName($smtpFromName);

    $cacheFile = __DIR__ . '/../../../config/settings.php';
    $cacheData = [];
    if (is_file($cacheFile)) {
        $existing = include $cacheFile;
        if (is_array($existing)) {
            $cacheData = $existing;
        }
    }
    $cacheData['app_title'] = $appTitle !== '' ? $appTitle : null;
    $cacheData['app_locale'] = $appLocale !== '' ? $appLocale : null;
    $cacheData['app_theme'] = $appTheme !== '' ? $appTheme : null;
    $cacheData['app_theme_user'] = $appThemeUser ? '1' : '0';
    $cacheData['app_primary_color'] = $appPrimaryColor !== '' ? $appPrimaryColor : null;
    file_put_contents($cacheFile, "<?php\nreturn " . var_export($cacheData, true) . ";\n");

    Flash::success('Settings updated', 'admin/settings', 'settings_updated');
    Router::redirect('admin/settings');
}

Buffer::set('title', t('Settings'));