portal-api/app/Http/Controllers/Api/Admin/DnsManager/ServerController.php

<?php

namespace App\Http\Controllers\Api\Admin\DnsManager;

use App\Http\Controllers\Controller;
use App\Repositories\DnsManager\Server\DnsServerRepositoryInterface;
use App\Services\ServerService;
use Illuminate\Http\JsonResponse;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\Crypt;
use Illuminate\Support\Facades\DB;

class ServerController extends Controller
{
    public function __construct(
        private readonly DnsServerRepositoryInterface $serverRepository,
        private readonly ServerService $serverService,
    ) {}

    public function index(Request $request): JsonResponse
    {
        $perPage = min((int) $request->get('per_page', 15), 500);
        $filter = $request->get('filter');
        $status = $request->get('status');

        $query = $this->serverRepository->model->newQuery();

        if ($filter) {
            $query->where(function ($subQuery) use ($filter) {
                $subQuery->where('name', 'like', "%{$filter}%")
                    ->orWhere('ip_address', 'like', "%{$filter}%")
                    ->orWhere('username', 'like', "%{$filter}%");
            });
        }

        if ($status !== null && $status !== '') {
            $query->where('status', $status);
        }

        $paginator = $query->orderByDesc('id')->paginate($perPage);

        return response()->json([
            'error' => false,
            'data' => [
                'items' => $paginator->getCollection()->map(fn($server) => $this->formatServer($server)),
                'total' => $paginator->total(),
                'per_page' => $paginator->perPage(),
                'current_page' => $paginator->currentPage(),
                'last_page' => $paginator->lastPage(),
            ],
        ]);
    }

    public function show(int $id): JsonResponse
    {
        $server = $this->serverRepository->find($id);

        if (!$server) {
            return response()->json(['error' => true, 'message' => "Không tìm thấy server #$id"], 404);
        }

        return response()->json([
            'error' => false,
            'data' => $this->formatServer($server),
        ]);
    }

    public function store(Request $request): JsonResponse
    {
        $validated = $request->validate([
            'name' => 'required|string|max:255',
            'ip_address' => 'required|string|max:255',
            'username' => 'required|string|max:255',
            'password' => 'required|string|max:255',
            'api_key' => 'nullable|string',
            'status' => 'nullable|string|in:activated,Stopped',
        ]);

        DB::beginTransaction();

        try {
            $server = $this->serverRepository->create([
                'name' => $validated['name'],
                'ip_address' => $validated['ip_address'],
                'username' => $validated['username'],
                'password' => Crypt::encryptString($validated['password']),
                'api_key' => $validated['api_key'] ?? null,
                'status' => $validated['status'] ?? 'activated',
            ]);

            DB::commit();

            return response()->json([
                'error' => false,
                'data' => $this->formatServer($server),
            ], 201);
        } catch (\Exception $e) {
            DB::rollBack();

            return response()->json(['error' => true, 'message' => $e->getMessage()], 500);
        }
    }

    public function update(int $id, Request $request): JsonResponse
    {
        $server = $this->serverRepository->find($id);

        if (!$server) {
            return response()->json(['error' => true, 'message' => "Không tìm thấy server #$id"], 404);
        }

        $validated = $request->validate([
            'name' => 'sometimes|required|string|max:255',
            'ip_address' => 'sometimes|required|string|max:255',
            'username' => 'sometimes|required|string|max:255',
            'password' => 'nullable|string|max:255',
            'api_key' => 'nullable|string',
            'status' => 'nullable|string|in:activated,Stopped',
        ]);

        DB::beginTransaction();

        try {
            $payload = collect($validated)
                ->except('password')
                ->toArray();

            if ($request->filled('password')) {
                $payload['password'] = Crypt::encryptString((string) $request->password);
            }

            $this->serverRepository->update($id, $payload);

            DB::commit();

            return $this->show($id);
        } catch (\Exception $e) {
            DB::rollBack();

            return response()->json(['error' => true, 'message' => $e->getMessage()], 500);
        }
    }

    public function destroy(int $id): JsonResponse
    {
        $server = $this->serverRepository->find($id);

        if (!$server) {
            return response()->json(['error' => true, 'message' => "Không tìm thấy server #$id"], 404);
        }

        $this->serverRepository->delete($id);

        return response()->json(['error' => false, 'message' => 'Đã xoá server thành công']);
    }

    public function checkConnection(int $id): JsonResponse
    {
        $server = $this->serverRepository->find($id);

        if (!$server) {
            return response()->json(['error' => true, 'message' => "Không tìm thấy server #$id"], 404);
        }

        $meta = $this->serverService->checkConnectionByServer($server);

        return response()->json([
            'error' => $meta === false,
            'data' => ['connected' => $meta !== false, 'server' => $meta ?: null],
            'message' => $meta !== false
                ? 'Kết nối server thành công.'
                : 'Không thể kết nối tới server. Vui lòng kiểm tra lại IP hoặc tài khoản.',
        ]);
    }

    private function formatServer($server): array
    {
        return [
            'id' => $server->id,
            'name' => $server->name,
            'ip_address' => $server->ip_address,
            'username' => $server->username,
            'api_key' => $server->api_key,
            'status' => $server->status,
            'created_at' => $server->created_at,
            'updated_at' => $server->updated_at,
        ];
    }
}