import 'package:get/get.dart';
import 'package:sidak_desa_mobile/presentation/views/main_screen.dart';

import '../../data/fetch/auth_api.dart';
import '../../data/shared/auth_storage.dart';
import '../../utils/device_id.dart';

class LoginController extends GetxController {
  final AuthApi _api = AuthApi();
  final AuthStorage _storage = AuthStorage();

  final isLoading = false.obs;
  final errorMessage = RxnString();

  Future<void> login({required String email, required String password}) async {
    errorMessage.value = null;

    if (email.isEmpty || password.isEmpty) {
      errorMessage.value = 'Email dan password wajib diisi';
      return;
    }

    isLoading.value = true;

    try {
      // ✅ Ambil device ID
      final deviceId = await DeviceIdUtil.getDeviceId();

      if (deviceId == null || deviceId.isEmpty) {
        throw Exception('Device ID tidak ditemukan');
      }

      // ✅ Hit API login (pastikan kirim device_id)
      final response = await _api.login(
        email: email,
        password: password,
        deviceId: deviceId,
      );

      // ✅ Simpan user + token
      await _storage.saveUser(response);

      // ✅ Pindah ke halaman utama
      Get.offAll(() => MainScreen());
    } catch (e) {
      final message = e.toString().replaceFirst('Exception: ', '');

      errorMessage.value = message;

      // 🔥 Custom handling dari backend
      if (message.contains('device lain')) {
        Get.snackbar('Akses Ditolak', message);
      } else if (message.contains('Email atau password salah')) {
        Get.snackbar('Login Gagal', message);
      } else {
        Get.snackbar('Error', message);
      }
    } finally {
      isLoading.value = false;
    }
  }
}