// lib/core/api/tmdb_api.dart
import 'package:dio/dio.dart';
import '../config.dart';

class TmdbApi {
  final Dio _dio;

  TmdbApi()
      : _dio = Dio(
          BaseOptions(
            baseUrl: 'https://api.themoviedb.org/3',
            headers: {
              'Accept': 'application/json',
            },
            validateStatus: (code) => code != null && code < 500,
          ),
        );

  Map<String, dynamic> get _auth => {
        'api_key': AppConfig.tmdbApiKey,
        'language': 'de-DE',
      };

  Future<Map<String, dynamic>> getMovie(int id) async {
    final res = await _dio.get(
      '/movie/$id',
      queryParameters: {
        ..._auth,
        'append_to_response': 'images,credits',
      },
    );
    if (res.statusCode != 200) {
      throw Exception(
          'TMDB getMovie($id) failed: ${res.statusCode} ${res.data}');
    }
    return Map<String, dynamic>.from(res.data);
  }

  Future<List<Map<String, dynamic>>> searchMovies(String query, {int page = 1}) async {
    final res = await _dio.get(
      '/search/movie',
      queryParameters: {
        ..._auth,
        'query': query,
        'page': page,
        'include_adult': false,
      },
    );
    if (res.statusCode != 200) {
      throw Exception('TMDB searchMovies failed: ${res.statusCode} ${res.data}');
    }
    final data = res.data as Map<String, dynamic>;
    final results = (data['results'] as List? ?? const [])
        .map((e) => Map<String, dynamic>.from(e as Map))
        .toList();
    return results;
  }

  Future<List<Map<String, dynamic>>> searchShows(String query, {int page = 1}) async {
    final res = await _dio.get(
      '/search/tv',
      queryParameters: {
        ..._auth,
        'query': query,
        'page': page,
        'include_adult': false,
      },
    );
    if (res.statusCode != 200) {
      throw Exception('TMDB searchShows failed: ${res.statusCode} ${res.data}');
    }
    final data = res.data as Map<String, dynamic>;
    final results = (data['results'] as List? ?? const [])
        .map((e) => Map<String, dynamic>.from(e as Map))
        .toList();
    return results;
  }

  Future<Map<String, dynamic>> getShow(int id) async {
    final res = await _dio.get(
      '/tv/$id',
      queryParameters: {
        ..._auth,
        'append_to_response': 'images,credits',
      },
    );
    if (res.statusCode != 200) {
      throw Exception(
          'TMDB getShow($id) failed: ${res.statusCode} ${res.data}');
    }
    return Map<String, dynamic>.from(res.data);
  }

  Future<Map<String, dynamic>> getSeason(int showId, int seasonNumber) async {
    final res = await _dio.get(
      '/tv/$showId/season/$seasonNumber',
      queryParameters: _auth,
    );
    if (res.statusCode != 200) {
      throw Exception(
          'TMDB getSeason($showId,S$seasonNumber) failed: ${res.statusCode} ${res.data}');
    }
    return Map<String, dynamic>.from(res.data);
  }
}