import { Injectable } from '@angular/core';
import Amplify, { Auth, Storage } from 'aws-amplify';
import { aws } from '../conf/aws';
import { UserData } from './types';

@Injectable({
  providedIn: 'root'
})
export class AuthenticationService {

  constructor() {
    Amplify.configure(aws.amplify);
  }

  signin(username: string, password: string, callback?: (err: Error, data: any) => void) {
    Auth.signIn(username, password)
      .then(data => {
        callback(null, data);
      })
      .catch(err => callback(err, null));
  }

  signup(userData: UserData, callback?: (err: Error, data: any) => void) {
    Auth.signUp(userData)
      .then(data => callback(null, data))
      .catch(err => callback(err, null));
  }

  confirmSignup(username: string, code: string, callback?: (err: Error, data: any) => void) {
    Auth.confirmSignUp(username, code, {
      forceAliasCreation: true
    })
      .then(data => callback(null, data))
      .catch(err => callback(err, null));
  }

  getCurrentAuthentictedUser(callback?: (err: Error, data: any) => void) {
    Auth.currentAuthenticatedUser()
      .then(user => callback(null, user))
      .catch(err => callback(err, null));

  }

  signout() {
    Auth.signOut();
  }
}