account.js

const FIREBASE_MEMBERSYSTEM_VERSION="1.0.0"

class FirebaseMemberSystem {
  constructor(onLoginDetected){
    firebase.auth().languageCode = 'zh-TW';
    this.AuthedUser=0
    this.errorCodes={
      "auth/account-exists-with-different-credential":"帳號已存在",
      "auth/email-already-in-use":"電子郵件已被使用",
      "":""
    }
    var IIFEthis=this;
    firebase.auth().onAuthStateChanged(function(user) {
      if (user) {
        IIFEthis.AuthedUser=user
        IIFEthis.onLoginDetected=onLoginDetected?onLoginDetected():null
        if(onLoginDetected)onLoginDetected()
      }
    });
  }
  static set AuthedUser(userObject){
    this.AuthedUser=userObject
  }
  static get AuthedUser(){
    return this.AuthedUser;
  }
  handleError(code){
    if(code in this.errorCodes){
      alert(`錯誤: this.errorCodes[code]`)
    }else{
      alert(`錯誤: 未知的錯誤代碼(this.errorCodes[code])`)
    }
  }
  handleError(code){
    switch(code){
      case 1:
        alert("ok")
        break;
    }
  }
  setAuthUser(user){
    this.AuthedUser=user
  }
  SignIn(){
    return new FirebaseMemberSystem__SignIn()
  }
  SignOut(){
    return new FirebaseMemberSystem__SignOut()
  }
  Register(){
    return new FirebaseMemberSystem__Register()
  }
}
class FirebaseMemberSystem__SignIn extends FirebaseMemberSystem {
  Google(){
    var provider = new firebase.auth.GoogleAuthProvider();
    var IIFESuccess=super.handleSuccess,
        IIFEError=super.handleError
    
    firebase.auth().signInWithPopup(provider).then(function(result) {
      this.AuthedUser = result.user
      IIFESuccess(1)
    }).catch(function(error) {
      IIFEError(error.code)
    });
  }
  General(accout,password){
    var IIFESuccess=super.handleSuccess,
        IIFEError=super.handleError
    firebase.auth().signInWithEmailAndPassword(accout,password).then(function(user){
      this.AuthedUser = result.user
      IIFESuccess(1)
    }).catch(function(error){
      IIFEError(error.code)
    })
  }
}
class FirebaseMemberSystem__Register extends FirebaseMemberSystem {
  Google(){
    var provider = new firebase.auth.GoogleAuthProvider();
    var IIFESuccess=super.handleSuccess,
        IIFEError=super.handleError
    firebase.auth().signInWithPopup(provider).then(function(result) {
      this.AuthedUser = result.user
      IIFESuccess(1)
    }).catch(function(error) {
      IIFEError(error.code)
    });
  }
  General(accout,password){
    var IIFESuccess=super.handleSuccess,
        IIFEError=super.handleError
    firebase.auth().createUserWithEmailAndPassword(account,password).then(function(user){
      this.AuthedUser = result.user
      IIFESuccess(1)
    }).catch(function(error){
      IIFEError(error.code)
    })
  }
}
class FirebaseMemberSystem__SignOut extends FirebaseMemberSystem {
  constructor(){
    var IIFESuccess=super.handleSuccess,
        IIFEError=super.handleError
    firebase.auth().signOut().then(function(user){
      this.AuthedUser=0
      IIFESuccess(1)
    }).catch(function(error){
      IIFEError(error.code)
    })
  }
}