<?php

use MintyPHP\Buffer;
use MintyPHP\Http\SessionStoreInterface;
use MintyPHP\Router;
use MintyPHP\Service\Access\DepartmentAuthorizationPolicy;
use MintyPHP\Support\Flash;
use MintyPHP\Support\Guard;

$session = app(SessionStoreInterface::class)->all();
Guard::requireLogin();
$request = requestInput();
$returnTarget = requestResolveReturnTarget();
$closeTarget = requestResolveReturnTarget('admin/departments');
$createTarget = requestPathWithReturnTarget('admin/departments/create', $returnTarget);
$tenantService = app(\MintyPHP\Service\Tenant\TenantService::class);
$directoryScopeGateway = app(\MintyPHP\Service\Tenant\TenantScopeService::class);
$departmentService = app(\MintyPHP\Service\Org\DepartmentService::class);

$currentUserId = (int) ($session['user']['id'] ?? 0);

$context = actionCreateContext([
    'abilityKey' => DepartmentAuthorizationPolicy::ABILITY_ADMIN_DEPARTMENTS_CREATE,
    'context' => ['actor_user_id' => $currentUserId],
    'viewAuthFlags' => [],
    'forbiddenStrategy' => 'deny',
]);
$capabilities = $context['capabilities'];
$tenantScope = $context['tenantScope'];
$viewAuth = $context['viewAuth'];
$canManageAllTenants = $tenantScope['scope'] === 'all';
$allowedTenantIds = toIntIds($capabilities['allowed_tenant_ids'] ?? []);
$isStrictScope = (bool) ($capabilities['is_strict_scope'] ?? false);

$errorBag = formErrors();
$errors = [];
$warnings = [];
$form = [
    'description' => '',
    'tenant_id' => 0,
    'code' => '',
    'cost_center' => '',
    'active' => '1',
];
$tenants = $tenantService->list();
if ($canManageAllTenants) {
    // No filtering — actor may pick any tenant.
} elseif ($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, $allowedTenantIds, true);
    }));
} elseif ($isStrictScope) {
    $tenants = [];
}

if ($request->isMethod('POST') && !actionRequireCsrf($createTarget, $createTarget, 'csrf_expired')) {
    return;
}

if ($request->isMethod('POST')) {
    $selectedTenantId = $request->bodyInt('tenant_id');
    $selectedTenantIds = $directoryScopeGateway->filterTenantIdsForUser([$selectedTenantId], $currentUserId);
    $selectedTenantId = (int) ($selectedTenantIds[0] ?? 0);
    $input = $request->bodyAll();
    $input['tenant_id'] = $selectedTenantId;

    $result = $departmentService->createFromAdmin($input, $currentUserId);
    $form = $result['form'] ?? $form;
    $errorBag->merge($result['errors'] ?? []);
    $warnings = $result['warnings'] ?? [];
    $form['tenant_id'] = $selectedTenantId;

    if (($result['ok'] ?? false) && !$errorBag->hasAny()) {
        $action = (string) $request->body('action', 'create');
        if ($action === 'create_close') {
            if ($warnings) {
                Flash::info(implode(' ', $warnings), $closeTarget, 'department_warning');
            }
            Flash::success(t('Department created'), $closeTarget, 'department_created');
            Router::redirect($closeTarget);
        } else {
            $uuid = (string) ($result['uuid'] ?? '');
            if ($uuid !== '') {
                $target = requestPathWithReturnTarget("admin/departments/edit/{$uuid}", $returnTarget);
                if ($warnings) {
                    Flash::info(implode(' ', $warnings), $target, 'department_warning');
                }
                Flash::success(t('Department created'), $target, 'department_created');
                Router::redirect($target);
            } else {
                if ($warnings) {
                    Flash::info(implode(' ', $warnings), $closeTarget, 'department_warning');
                }
                Flash::success(t('Department created'), $closeTarget, 'department_created');
                Router::redirect($closeTarget);
            }
        }
    }
}

$validationSummaryErrors = $errorBag->toArray();
$errors = $errorBag->toFlatList();
Buffer::set('title', t('Create department'));
$breadcrumbs = [
    ['label' => t('Home'), 'path' => 'admin'],
    ['label' => t('Departments'), 'path' => 'admin/departments'],
    ['label' => t('Create department')],
];
