import 'package:flutter_riverpod/flutter_riverpod.dart';
import '../api/family_api.dart';
import '../api/api_client.dart';
import '../models/family.dart';

final familyApiProvider = Provider<FamilyApi>((ref) {
  return FamilyApi(ref.read(apiClientProvider));
});

class FamilyNotifier extends StateNotifier<AsyncValue<List<Family>>> {
  final FamilyApi _api;

  FamilyNotifier(this._api) : super(const AsyncValue.loading());

  Future<void> loadFamilies() async {
    state = const AsyncValue.loading();
    try {
      final res = await _api.getFamilies();
      if (res['success'] == true) {
        state = AsyncValue.data((res['data'] as List).map((e) => Family.fromJson(e)).toList());
      } else {
        state = AsyncValue.error(res['error'] ?? '加载失败', StackTrace.current);
      }
    } catch (e, st) {
      state = AsyncValue.error(e.toString(), st);
    }
  }

  Future<Family?> createFamily(String name) async {
    try {
      final res = await _api.createFamily(name);
      if (res['success'] == true) {
        return Family.fromJson(res['data']);
      }
    } catch (_) {}
    return null;
  }

  Future<Family?> joinFamily(String inviteCode) async {
    try {
      final res = await _api.joinFamily(inviteCode);
      if (res['success'] == true) {
        return Family.fromJson(res['data']);
      }
    } catch (_) {}
    return null;
  }
}

final familyProvider = StateNotifierProvider<FamilyNotifier, AsyncValue<List<Family>>>((ref) {
  return FamilyNotifier(ref.read(familyApiProvider));
});