import 'dart:convert';

import 'package:lszlgl/model/rsp/login_rsp.dart';
import 'package:lszlgl/model/rsp/user_rsp.dart';
import 'package:lszlgl/router/my_router.dart';
import 'package:lszlgl/utils/sp_utils.dart';

class UserService {
  UserService._();

  static UserService? _instance;

  static UserService get() => _instance ??= UserService._();

  LoginRsp? _login;
  UserRsp? _user;

  /// 存储登录信息
  Future<void> saveLogin(LoginRsp? value) async {
    if (value == null) return;
    _login = value;
    await SPUtils.getInstance().saveString('login', jsonEncode(value.toJson()));
  }

  /// 获取登录信息
  LoginRsp? getLogin() {
    if (_login != null) return _login;
    String? login = SPUtils.getInstance().getString('login');
    if (login == null) return null;
    return LoginRsp.fromJson(jsonDecode(login));
  }

  /// 退出登录
  Future<void> logout({bool goLogin = true}) async {
    _login = null;
    await SPUtils.getInstance().remove('login');
    _user = null;
    await SPUtils.getInstance().remove('user');
    // 跳转登录页
    if (goLogin) MyRouter.startLogin(popAll: true);
  }

  /// 存储用户信息
  Future<void> saveUser(UserRsp? value) async {
    if (value == null) return;
    _user = value;
    await SPUtils.getInstance().saveString('user', jsonEncode(value.toJson()));
  }

  /// 获取用户信息
  UserRsp? getUser() {
    if (_user != null) return _user;
    String? user = SPUtils.getInstance().getString('user');
    if (user == null) return null;
    return UserRsp.fromJson(jsonDecode(user));
  }

  /// 存储数据库DeviceInfoTable表的id号，用于记录同步的位置
  Future<void> saveDeviceInfoTableTime(int timeId) async {

    await SPUtils.getInstance().saveInt('DeviceInfoTableTimeInt', timeId);
  }

  /// 获取登录信息
  int getDeviceInfoTableTime() {
    return SPUtils.getInstance().getInt('DeviceInfoTableTimeInt') ?? -1;
  }

}