TimeManager/src/timemanagerapp/lib/setting/Setting.dart

import 'dart:core';
import 'package:flutter/cupertino.dart';
import 'package:shared_preferences/shared_preferences.dart';

import '../entity/User.dart';
import '../widgets/FreeTimetableWidget.dart';
import '../widgets/TeamWidget.dart';
import '../widgets/TimetableWidget.dart';

class Setting {
  static SharedPreferences? prefs;
  static bool initFlag = true;
  static DateTime startdate_init = DateTime(2023, 8, 28);
  static int termAllWeekCout = 20; // 一学期的周数
  static DateTime timeTableStartTime = DateTime(2023, 8, 28, 7, 00); // 一天的开始时间
  static DateTime timeTableEndTime = DateTime(2023, 8, 28, 23, 00); // 一天的结束时间
  static late DateTime startdate;
  static late User? user;
  static User nullUser = User(id:-1, username: "null", password: "null", role: 0);
  static double pixelToMinuteRatio_ratio = 1; // 用于调整时间轴的比例
  static late double deviceWidth ; // 用于调整时间轴的宽度
  static bool isMusicPlaying = false; // 用于番茄钟音乐播放的状态
  static bool isDeveloperButtonVisible = false; // 假设开发者测试初始状态为不可见

  static GlobalKey<TimetableWidgetState>? timetableWidgetKey;
  static GlobalKey<TeamWidgetState>? teamWidgetKey;
  static GlobalKey<FreeTimetableWidgetState>? freeTimetableWidgeKey;

  static init() async {
    //初始化
    print("Setting初始化");
    prefs = await SharedPreferences.getInstance();
    saveStartDate(startdate_init); // 用于测试
    startdate = getStartDate();
    user = getUser();
    isDeveloperButtonVisible = getIsDeveloperButtonVisible();
    pixelToMinuteRatio_ratio = getpixelToMinuteRatio_ratio();
    initFlag = getInitFlag();
    print("Setting初始化成功");
  }

  static DateTime getStartDate() {
    //获取
    String res = null.toString();
    if(prefs!.containsKey("startdate")) res = prefs!.getString("startdate")!;
    if (res == null.toString()) {
      saveStartDate(startdate_init);
      return startdate_init;
    } else {
      return DateTime.parse(res);
    }
  }

  static saveStartDate(DateTime startdate) async {
    //保存
    await prefs?.setString("startdate", startdate.toString());
  }

  static User? getUser() {
    //获取
    String res = null.toString();
    if(prefs!.containsKey("user")) res = prefs!.getString("user")!;
    if (res == null.toString()) {
      user = nullUser;
      return nullUser;
    } else {
      user = User.parseString(res);
      return user;
    }
  }

  static saveUser(User newuser) async {
    //保存
    user = newuser;
    await prefs?.setString("user", newuser.toString());
  }



  //pixelToMinuteRatio_ratio
  static double getpixelToMinuteRatio_ratio() {
    //获取
    double? res;
    if(prefs!.containsKey("pixelToMinuteRatio_ratio")) res = prefs!.getDouble("pixelToMinuteRatio_ratio")!;
    if (res == null) {
      pixelToMinuteRatio_ratio = 1;
      return 1;
    } else {
      pixelToMinuteRatio_ratio = res!;
      return pixelToMinuteRatio_ratio;
    }
  }

  static savepixelToMinuteRatio_ratio(double value) async {
    //保存
    pixelToMinuteRatio_ratio = value;
    await prefs?.setDouble("pixelToMinuteRatio_ratio", value);
  }

  static bool getIsDeveloperButtonVisible() {
    //获取
    bool? res;
    if(prefs!.containsKey("isDeveloperButtonVisible")) res = prefs!.getBool("isDeveloperButtonVisible")!;
    if (res == null) {
      isDeveloperButtonVisible = false;
      return false;
    } else {
      isDeveloperButtonVisible = res!;
      return isDeveloperButtonVisible;
    }
  }

  static saveIsDeveloperButtonVisible(bool value) async {
    //保存
    isDeveloperButtonVisible = value;
    await prefs?.setBool("isDeveloperButtonVisible", value);
  }

  static getInitFlag() {
    bool? getInitFlag = prefs!.getBool("initFlag");
    if (getInitFlag == null) {
      initFlag = true;
      return true;
    } else {
      initFlag = getInitFlag;
      return initFlag;
    }
  }

  static saveInitFlag(bool value) async {
    initFlag = value;
    await prefs?.setBool("initFlag", value);
  }


}