import 'dart:async';
import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:finlytic_app/features/asset_detail/repositories/asset_repository.dart';
import 'asset_detail_event.dart';
import 'asset_detail_state.dart';

class AssetDetailBloc extends Bloc<AssetDetailEvent, AssetDetailState> {
  final AssetRepository repository;

  AssetDetailBloc({required this.repository}) : super(AssetDetailInitial()) {
    on<LoadAssetData>(_onLoadAssetData);
    on<ForceRefreshAssetData>(_onForceRefreshAssetData);
  }

  Future<void> _onLoadAssetData(LoadAssetData event, Emitter<AssetDetailState> emit) async {
    emit(AssetDetailLoading());
    try {
      final results = await Future.wait([
        repository.getFundamentalData(event.symbol),
        repository.getTechnicalAnalysis(event.symbol),
      ]);

      emit(AssetDetailLoaded(
        fundamentalData: results[0] as dynamic,
        technicalAnalysis: results[1] as dynamic,
      ));
    } catch (e) {
      emit(AssetDetailError("Fehler beim Laden der Asset-Daten."));
    }
  }

  Future<void> _onForceRefreshAssetData(ForceRefreshAssetData event, Emitter<AssetDetailState> emit) async {
    try {
      await repository.forceRefreshFundamentalData(event.symbol);
      // Optional: re-load after a delay, or rely on MQTT/SignalR to push the new data.
    } catch (e) {
      // ignore
    }
  }
}