import 'package:dio/dio.dart';

import '../models/briefing_feed.dart';
import '../models/news_item.dart';
import 'api_client.dart';

class NewsApi {
  final Dio _dio;
  const NewsApi(this._dio);

  /// GET /api/briefing/news
  /// Returns up to [limit] items starting at [offset], optionally filtered by [feedId].
  Future<List<NewsItem>> getNewsItems({
    int days = 90,
    int limit = 40,
    int offset = 0,
    int? feedId,
  }) async {
    try {
      final params = <String, dynamic>{
        'days': days,
        'limit': limit,
        'offset': offset,
        if (feedId != null) 'feed_id': feedId,
      };
      final response = await _dio.get(
        '/api/briefing/news',
        queryParameters: params,
      );
      final data = response.data as Map<String, dynamic>;
      final list = data['items'] as List<dynamic>;
      return list
          .map((e) => NewsItem.fromJson(e as Map<String, dynamic>))
          .toList();
    } on DioException catch (e) {
      throw dioToApp(e);
    }
  }

  /// GET /api/briefing/feeds
  Future<List<BriefingFeed>> getFeeds() async {
    try {
      final response = await _dio.get('/api/briefing/feeds');
      final list = response.data as List<dynamic>;
      return list
          .map((e) => BriefingFeed.fromJson(e as Map<String, dynamic>))
          .toList();
    } on DioException catch (e) {
      throw dioToApp(e);
    }
  }
}