<?php

use MintyPHP\Support\Flash;
use MintyPHP\Support\Guard;
use MintyPHP\Router;
use MintyPHP\Service\PermissionService;
use MintyPHP\Service\TenantScopeService;
use MintyPHP\Service\UserService;
use MintyPHP\Service\MailService;
use MintyPHP\I18n;
use MintyPHP\Http\Request;

Guard::requireLogin();

$currentUserId = (int) ($_SESSION['user']['id'] ?? 0);
$canUpdateUser = PermissionService::userHas($currentUserId, PermissionService::USERS_UPDATE);
$canUpdateSelf = PermissionService::userHas($currentUserId, PermissionService::USERS_SELF_UPDATE);

$uuid = trim((string) ($id ?? ''));
$user = $uuid !== '' ? UserService::findByUuid($uuid) : null;
if (!$user) {
    Flash::error(t('User not found'), 'admin/users', 'user_not_found');
    Router::redirect('admin/users');
}

$userId = (int) ($user['id'] ?? 0);
$isOwnAccount = $currentUserId > 0 && $currentUserId === $userId;
$canEditUser = $isOwnAccount ? ($canUpdateUser || $canUpdateSelf) : $canUpdateUser;

if (!$canEditUser) {
    Router::redirect('error/forbidden');
    return;
}
if (!$isOwnAccount && !TenantScopeService::canAccess('users', $userId, $currentUserId)) {
    Router::redirect('error/forbidden');
    return;
}

$locale = $user['locale'] ?? (I18n::$locale ?? I18n::$defaultLocale);
$name = trim(($user['first_name'] ?? '') . ' ' . ($user['last_name'] ?? ''));
$isGerman = strpos((string) $locale, 'de') === 0;
$greeting = $isGerman ? 'Hallo' : 'Hello';
if ($name !== '') {
    $greeting .= ' ' . $name;
}
$greeting .= ',';

$loginUrl = appUrl(Request::withLocale('login', $locale));
$resetUrl = appUrl(Request::withLocale('password/forgot', $locale));
$previousLocale = I18n::$locale ?? null;
I18n::$locale = $locale;
$subject = t('Your access details');
I18n::$locale = $previousLocale;

$vars = [
    'app_name' => appTitle(),
    'app_logo_url' => appLogoUrlAbsolute(128),
    'imprint_url' => appUrl(Request::withLocale('imprint', $locale)),
    'privacy_url' => appUrl(Request::withLocale('privacy', $locale)),
    'greeting' => $greeting,
    'username' => (string) ($user['email'] ?? ''),
    'login_url' => $loginUrl,
    'reset_url' => $resetUrl,
];

$result = MailService::sendTemplate('access_info', $vars, (string) $user['email'], $subject, $locale);
if (!($result['ok'] ?? false)) {
    Flash::error(t('Access email failed'), "admin/users/edit/{$uuid}", 'access_email_failed');
    Router::redirect("admin/users/edit/{$uuid}");
}

Flash::success(t('Access email sent'), "admin/users/edit/{$uuid}", 'access_email_sent');
Router::redirect("admin/users/edit/{$uuid}");