<?php

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

Guard::requireLogin();
Guard::requirePermissionOrForbidden(PermissionService::DEPARTMENTS_CREATE);

$currentUserId = (int) ($_SESSION['user']['id'] ?? 0);
$allowedTenantIds = TenantScopeService::getUserTenantIds($currentUserId);
if (TenantScopeService::isStrict() && !$allowedTenantIds) {
    Router::redirect('error/forbidden');
    return;
}

$errors = [];
$form = [
    'description' => '',
];
$tenants = TenantService::list();
if ($allowedTenantIds) {
    $tenants = array_values(array_filter($tenants, static function (array $tenant) use ($allowedTenantIds): bool {
        $tenantId = (int) ($tenant['id'] ?? 0);
        return $tenantId > 0 && in_array($tenantId, $allowedTenantIds, true);
    }));
} elseif (TenantScopeService::isStrict()) {
    $tenants = [];
}
$selectedTenantIds = [];

if (isset($_POST['description'])) {
    $result = DepartmentService::createFromAdmin($_POST, $currentUserId);
    $form = $result['form'] ?? $form;
    $errors = $result['errors'] ?? [];
    $tenantIds = $_POST['tenant_ids'] ?? [];
    if (!is_array($tenantIds)) {
        $tenantIds = [$tenantIds];
    }
    $selectedTenantIds = array_values(array_unique(array_map('intval', $tenantIds)));
    $selectedTenantIds = TenantScopeService::filterTenantIdsForUser($selectedTenantIds, $currentUserId);

    if (TenantScopeService::isStrict() && !$selectedTenantIds) {
        $errors[] = t('Please select at least one tenant');
    }

    if (($result['ok'] ?? false) && !$errors) {
        $departmentId = (int) ($result['id'] ?? 0);
        if ($departmentId) {
            DepartmentService::syncTenants($departmentId, $selectedTenantIds);
        }
        $action = (string) ($_POST['action'] ?? 'create');
        if ($action === 'create_close') {
            Flash::success('Department created', 'admin/departments', 'department_created');
            Router::redirect('admin/departments');
        } else {
            $uuid = (string) ($result['uuid'] ?? '');
            if ($uuid !== '') {
                $target = "admin/departments/edit/{$uuid}";
                Flash::success('Department created', $target, 'department_created');
                Router::redirect($target);
            } else {
                Flash::success('Department created', 'admin/departments', 'department_created');
                Router::redirect('admin/departments');
            }
        }
    }
}

Buffer::set('title', t('Create department'));