import 'package:dio/dio.dart';

import '../services/device_header_service.dart';
import '../storage/secure_identity_storage.dart';

final _defaultIdentityStorage = SecureIdentityStorage();

Future<void> saveJwt(String token) => _defaultIdentityStorage.saveJwt(token);
Future<void> clearJwt() => _defaultIdentityStorage.clearJwt();
Future<String?> loadJwt() => _defaultIdentityStorage.readJwt();

class AuthInterceptor extends Interceptor {
  AuthInterceptor(this._identityStorage);

  final SecureIdentityStorage _identityStorage;

  @override
  Future<void> onRequest(
    RequestOptions options,
    RequestInterceptorHandler handler,
  ) async {
    await DeviceHeaderService.to.ensureInitialized();
    options.headers.addAll(DeviceHeaderService.to.commonHeaders());
    options.headers.addAll(DeviceHeaderService.to.platformIdentityHeaders());
    final jwt = await _identityStorage.readJwt();
    if (jwt != null && jwt.isNotEmpty) {
      options.headers['Authorization'] = 'Bearer $jwt';
    }
    handler.next(options);
  }
}