<?php

use MintyPHP\Http\Request;
use MintyPHP\Http\SessionStoreInterface;
use MintyPHP\Router;
use MintyPHP\Service\Access\PermissionAuthorizationPolicy;
use MintyPHP\Service\Access\PermissionService;
use MintyPHP\Support\Flash;
use MintyPHP\Support\Guard;

$session = app(SessionStoreInterface::class)->all();
Guard::requireLogin();

$currentUserId = (int) ($session['user']['id'] ?? 0);
$authorizationService = app(\MintyPHP\Service\Access\AuthorizationService::class);
// Authorization is checked generically (can user delete ANY permission?) before loading the entity.
// Context-aware policies (departments, tenants, users) load the entity first to pass target_id.
// Both patterns are valid; context-aware is preferred for new code.
$decision = $authorizationService->authorize(PermissionAuthorizationPolicy::ABILITY_ADMIN_PERMISSIONS_DELETE, [
    'actor_user_id' => $currentUserId,
]);
if (!$decision->isAllowed()) {
    if (Request::wantsJson()) {
        http_response_code($decision->status());
        Router::json(['error' => $decision->error()]);
        return;
    }
    Guard::deny();
}

$id = (int) ($id ?? 0);
if ($id <= 0) {
    Router::redirect('admin/permissions');
    return;
}

$roleIds = app(\MintyPHP\Repository\Access\RolePermissionRepository::class)->listRoleIdsByPermissionId($id);
$affectedUserIds = app(\MintyPHP\Repository\Access\UserRoleRepository::class)->listUserIdsByRoleIds($roleIds);

$result = app(PermissionService::class)->deleteById($id);
if (!($result['ok'] ?? false)) {
    $error = (string) ($result['error'] ?? 'not_found');
    $status = $result['status'] ?? 500;
    if (Request::wantsJson()) {
        http_response_code($status);
        Router::json(['error' => $error]);
        return;
    }
    if ($error === 'system_permission_protected') {
        Flash::error('System permission can not be deleted', 'admin/permissions', 'permission_system_protected');
    } else {
        Flash::error('Permission not found', 'admin/permissions', 'permission_not_found');
    }
    Router::redirect('admin/permissions');
    return;
}

if ($affectedUserIds) {
    app(\MintyPHP\Repository\User\UserWriteRepository::class)->bumpAuthzVersionByUserIds($affectedUserIds);
}

if (Request::wantsJson()) {
    http_response_code(204);
    Router::json([]);
    return;
}

Flash::success('Permission deleted', 'admin/permissions', 'permission_deleted');
Router::redirect('admin/permissions');