import 'package:flutter_bloc/flutter_bloc.dart';
import 'package:equatable/equatable.dart';
import 'package:get_it/get_it.dart';
import 'package:supabase_flutter/supabase_flutter.dart';

part 'auth_events.dart';
part 'auth_state.dart';

class AuthBloc extends Bloc<AuthEvent, AuthState> {
  final _supabase = GetIt.instance<SupabaseClient>();

  AuthBloc()
    : super(const AuthState(status: AuthStatus.initial, isLoginMode: true)) {
    on<ToggleAuthMode>(
      (event, emit) => emit(state.copyWith(isLoginMode: !state.isLoginMode)),
    );
    on<LoginRequested>((event, emit) async {
      emit(state.copyWith(status: AuthStatus.loading));
      try {
        if (state.isLoginMode) {
          // --- LOGICA LOGIN ---
          await _supabase.auth.signInWithPassword(
            email: event.email,
            password: event.password,
          );
          // Non serve emettere success qui, ci pensa il SessionBloc!
        } else {
          // --- LOGICA SIGNUP ---
          await _supabase.auth.signUp(
            email: event.email,
            password: event.password,
          );

          // Nota: Se Supabase richiede conferma email, l'utente non sarà
          // loggato subito. Gestiamolo con un messaggio.
          emit(
            state.copyWith(
              status: AuthStatus.success,
              error: "Controlla la tua email per confermare l'account!",
            ),
          );
        }
      } on AuthException catch (e) {
        emit(state.copyWith(status: AuthStatus.failure, error: e.message));
      } catch (e) {
        emit(
          state.copyWith(
            status: AuthStatus.failure,
            error: "Errore imprevisto: $e",
          ),
        );
      }
    });
  }
}