import 'dart:convert';

import 'package:flutter/material.dart';
import 'package:flutter_secure_storage/flutter_secure_storage.dart';
import 'package:json_annotation/json_annotation.dart';
import 'package:e2ee_chat/common/global.dart';

import 'user.dart';

class Profile {
  Profile({
    this.theme = 0xFF2196F3, this.user, this.isLogin = false, this.isLogout = false,
    this.locale = const Locale("zh", "CN")
  });

  int theme;
  User? user;
  bool isLogin;
  bool isLogout;
  Locale locale;

  String? get username => user?.username;

  Future<String?> get token async {
    if (user == null) return null;
    final storage = FlutterSecureStorage();
    return await storage.read(key: _tokenKey);
  }

  setToken(String? token) async {
    final storage = FlutterSecureStorage();
    return await storage.write(key: _tokenKey, value: token);
  }

  String get _tokenKey => "e2ee_chat token of $username";

  factory Profile.fromJson(Map<String, dynamic> json) {
    return Profile(
      theme: json["theme"],
      user: User.fromJson(jsonDecode(json["user"])),
      isLogin: json["isLogin"],
      isLogout: json["isLogout"],
      locale: Locale(json["lang"], json["country"])
    );
  }

  Map<String, dynamic> toJson() => {
    "theme": theme,
    "user": jsonEncode(user?.toJson()),
    "isLogin": isLogin,
    "isLogout": isLogout,
    "lang": locale.languageCode,
    "country": locale.countryCode
  };
}