import 'package:dio/dio.dart';
import '../../core/constants/app_constants.dart';
import '../../core/errors/exceptions.dart';
import '../../domain/entities/biblioteca.dart';
import '../../domain/entities/etiqueta.dart';

class BibliotecaApi {
  final Dio _dio;

  BibliotecaApi() : _dio = Dio() {
    _dio.options.connectTimeout = AppConstants.httpTimeout;
    _dio.options.receiveTimeout = AppConstants.httpTimeout;
  }

  Future<List<Etiqueta>> fetchEtiquetas(Biblioteca biblioteca) async {
    try {
      final response = await _dio.get(biblioteca.fullUrl);
      final data = response.data as Map<String, dynamic>;
      final results = data['results'] as List<dynamic>;
      return results
          .map((e) => Etiqueta.fromJson(e as Map<String, dynamic>))
          .toList();
    } on DioException catch (e) {
      throw NetworkException(e.message ?? 'Failed to fetch etiquetas');
    }
  }

  Future<Etiqueta?> resolveHash(String hash, Biblioteca biblioteca) async {
    try {
      final response = await _dio.get(
        biblioteca.fullUrl,
        queryParameters: {'hash': hash},
      );
      final data = response.data as Map<String, dynamic>;
      final results = data['results'] as List<dynamic>;
      if (results.isEmpty) return null;
      return Etiqueta.fromJson(results.first as Map<String, dynamic>);
    } on DioException {
      return null;
    }
  }
}