import { Injectable } from '@angular/core';

import {
  SessionStorageService,
  LocalStorageService
} from '@ucap-webmessenger/web-storage';
import { LocaleCode } from '@ucap-webmessenger/core';
import {
  LoginInfo,
  KEY_LOGIN_INFO,
  KEY_LOGIN_RES_INFO,
  KEY_VER_INFO
} from '../types';
import { PasswordUtil } from '@ucap-webmessenger/pi';
import { DaesangCipherService } from '@ucap-webmessenger/daesang';

@Injectable({
  providedIn: 'root'
})
export class AppAuthenticationService {
  showLoader = false;

  constructor(
    private sessionStorageService: SessionStorageService,
    private localStorageService: LocalStorageService,
    private daesangCipherService: DaesangCipherService
  ) {}

  authenticated(): boolean {
    const loginInfo = this.sessionStorageService.get<LoginInfo>(KEY_LOGIN_INFO);
    return null !== loginInfo && !!loginInfo.loginId;
  }

  login(loginInfo: LoginInfo, rememberMe: boolean) {
    loginInfo = { ...loginInfo, localeCode: LocaleCode.Korean };

    this.sessionStorageService.set<LoginInfo>(KEY_LOGIN_INFO, {
      ...loginInfo,
      initPw: loginInfo.loginId === loginInfo.loginPw,
      // loginPw: PasswordUtil.encrypt(loginInfo.loginPw)
      loginPw: this.daesangCipherService.encrypt(
        'DaesangSSOProject',
        loginInfo.loginPw,
        'N'
      )
    });

    if (rememberMe) {
      this.localStorageService.set<LoginInfo>(KEY_LOGIN_INFO, {
        ...loginInfo,
        loginPw: undefined
      });
    } else {
      this.localStorageService.remove(KEY_LOGIN_INFO);
    }
  }

  logout() {
    this.sessionStorageService.remove(KEY_LOGIN_RES_INFO);
    this.sessionStorageService.remove(KEY_VER_INFO);
    this.sessionStorageService.remove(KEY_LOGIN_INFO);
  }
}