import { emitter } from '@kit.BasicServicesKit'
import { AppStorageKeyCollect } from '../constants'

/**
 * @description 用户信息类,可结合AppStorage使用,实现响应式更换用户信息,使用时替换为后端传回的用户属性即可
 */
export class UserInfo {
  static KEY: string = 'UserInfo'
  private declare static instance: UserInfo
  private isLogin: boolean = false
  private token?: string
  //此注释下的属性可按需更改
  private memberName?: string
  private memberPhone?: string
  private memberEmail?: string
  private memberIcon?: string
  private aiCount?: number
  private userId?: number
  private memberScore?: number

  private constructor() {
  }

  /**
   * 获取用户单例
   * @returns UserInfo
   */
  static getInstance() {
    if (!UserInfo.instance) {
      UserInfo.instance = new UserInfo()
    }
    return UserInfo.instance
  }

  /**
   * 设置用户信息并且设置登录状态
   * @param _userInfo
   */
  setUserInfoAndLogin(_userInfo: UserInfo) {
    this.isLogin = true
    if (_userInfo.token) {
      userInfo.token = _userInfo.token
    }
    this.memberEmail = _userInfo.memberEmail
    this.memberIcon = _userInfo.memberIcon
    this.memberName = _userInfo.memberName
    this.userId = _userInfo.userId
    this.memberScore = _userInfo.memberScore
    this.aiCount = _userInfo.aiCount
    this.memberPhone = _userInfo.memberPhone
    emitter.emit('refreshList')
    AppStorage.setOrCreate(UserInfo.KEY, this)
  }

  /**
   * @description 登出并清空用户信息
   */
  logout() {
    this.isLogin = false
    this.token = undefined
    this.memberEmail = undefined
    this.memberIcon = undefined
    this.memberName = undefined
    this.userId = undefined
    this.memberScore = undefined
    this.aiCount = undefined
    this.memberPhone = undefined
    AppStorage.setOrCreate(UserInfo.KEY, this)
    AppStorage.setOrCreate(AppStorageKeyCollect.TOKEN, undefined)
  }

  /**
   * 检测用户是否登录
   * @returns boolean
   */
  checkLogin() {
    return this.isLogin
  }

  getToken() {
    return this.token
  }


  setToken(token: string) {
    this.token = token
    AppStorage.setOrCreate<string>(AppStorageKeyCollect.TOKEN, token)
    AppStorage.setOrCreate(UserInfo.KEY, this)
    return this
  }

  getHeadImg() {
    if (this.memberIcon) {
      return this.memberIcon
    }
    return $r('app.media.app_icon')
  }

  setHeadImg(headImg: string) {
    this.memberIcon = headImg
    AppStorage.setOrCreate(UserInfo.KEY, this)
    return this
  }

  getEmail() {
    return this.memberEmail
  }

  setEmail(email: string) {
    this.memberEmail = email
    AppStorage.setOrCreate(UserInfo.KEY, this)
    return this
  }

  getName() {
    // this.userInfo.getName() ?? this.userInfo.getPhoneNumber() ?? this.userInfo.getId()?.toString()
    if (this.memberName) {
      return this.memberName
    } else if (this.memberPhone) {
      return this.memberPhone
    } else if (this.userId) {
      return this.userId?.toString()
    } else {
      if (this.isLogin) {
        return '华为用户'
      }
      return '未登录'
    }
  }

  setName(name: string) {
    this.memberName = name
    AppStorage.setOrCreate(UserInfo.KEY, this)
    return this
  }

  getId() {
    //(this.userInfo.getId()?.toString().padStart(8, '0') ?? '00000000')
    if (this.userId) {
      return this.userId.toString().padStart(8, '0')
    }
    return '00000000'
  }

  setId(id: number) {
    this.userId = id
    AppStorage.setOrCreate(UserInfo.KEY, this)
    return this
  }

  getGoldNum() {
    return this.memberScore
  }

  setGoldNum(goldNum: number) {
    this.memberScore = goldNum
    AppStorage.setOrCreate(UserInfo.KEY, this)
    return this
  }

  getAiNum() {
    return this.aiCount
  }

  setAiNum(aiNum: number) {
    this.aiCount = aiNum
    AppStorage.setOrCreate(UserInfo.KEY, this)
    return this
  }

  getPhoneNumber() {
    return this.memberPhone
  }

  setPhoneNumber(phoneNumber: string) {
    this.memberPhone = phoneNumber
    AppStorage.setOrCreate(UserInfo.KEY, this)
    return this
  }
}

export const userInfo = UserInfo.getInstance()