import 'package:didvan/models/enums.dart';
import 'package:didvan/models/news_overview.dart';
import 'package:didvan/providers/core_provider.dart';
import 'package:didvan/services/network/request.dart';
import 'package:didvan/services/network/request_helper.dart';

class NewsState extends CoreProvier {
  bool isFiltering = false;
  String? search;
  String? lastSearch;
  String? startDate;
  String? endDate;

  final List<NewsOverview> news = [];

  void resetFilters() {
    startDate = null;
    endDate = null;
    getNews(page: 1);
  }

  Future<void> getNews({
    required int page,
  }) async {
    if (search != '' && search != null || filterApplied) {
      lastSearch = search;
      isFiltering = true;
      news.clear();
    } else {
      isFiltering = false;
    }
    lastSearch = search;
    appState = AppState.busy;
    final service = RequestService(
      RequestHelper.newsOverviews(
        page: 1,
        startDate: startDate?.split(' ').first,
        endDate: endDate?.split(' ').first,
        search: search,
      ),
    );
    await service.httpGet();
    if (service.isSuccess) {
      final newsList = service.result['news'];
      for (var i = 0; i < newsList.length; i++) {
        news.add(NewsOverview.fromJson(newsList[i]));
      }
      appState = AppState.idle;
      return;
    }
    appState = AppState.failed;
  }

  Future<void> markNews(int id) async {
    final service = RequestService(RequestHelper.markNews(id));
    await service.post();
  }

  bool get filterApplied => startDate != null || endDate != null;
}