import 'package:flutter_riverpod/flutter_riverpod.dart';
import '../core/api/api_client.dart';
import '../core/auth/auth_state.dart';
import '../models/session.dart';
import '../repositories/session_repository.dart';

final sessionRepositoryProvider = Provider<SessionRepository>((ref) {
  return SessionRepository(ref.watch(apiClientProvider));
});

final sessionListProvider =
    AsyncNotifierProvider<SessionListNotifier, List<DeviceSession>>(
  SessionListNotifier.new,
);

class SessionListNotifier extends AsyncNotifier<List<DeviceSession>> {
  List<DeviceSession> _cache = [];

  @override
  Future<List<DeviceSession>> build() async {
    ref.watch(authStateProvider.select((s) => s.user?.shopId));
    try {
      final result = await ref.read(sessionRepositoryProvider).list();
      _cache = result;
      return result;
    } catch (_) {
      if (_cache.isNotEmpty) return _cache;
      rethrow;
    }
  }

  Future<void> reload() async {
    state = const AsyncValue.loading();
    try {
      final result = await ref.read(sessionRepositoryProvider).list();
      _cache = result;
      state = AsyncValue.data(result);
    } catch (e, st) {
      if (_cache.isNotEmpty) {
        state = AsyncValue.data(_cache);
      } else {
        state = AsyncValue.error(e, st);
      }
    }
  }

  Future<void> forceLogout(int id) async {
    await ref.read(sessionRepositoryProvider).forceLogout(id);
    await reload();
  }
}