import { Service } from '@rxdi/core';
import * as Boom from 'boom';
import { AuthInterface, AuthInternalService, TokenData } from '@gapi/auth';

export interface UserInfo {
  scope: ['ADMIN', 'USER'];
  type: 'ADMIN' | 'USER';
  iat: number;
}

@Service()
export class AuthService implements AuthInterface {
  constructor(private authService: AuthInternalService) {}

  onSubOperation(message, params, webSocket) {
    return params;
  }

  onSubConnection(connectionParams): TokenData {
    if (connectionParams.authorization) {
      return this.validateToken(connectionParams.authorization, 'Subscription');
    } else {
      throw Boom.unauthorized();
    }
  }

  validateToken(
    token: string,
    requestType: 'Query' | 'Subscription' = 'Query'
  ): any {
    const user = <any>this.authService.verifyToken(token);
    user.type = user.scope[0];
    console.log(`${requestType} from: ${JSON.stringify(user)}`);
    if (user) {
      return user;
    } else {
      throw Boom.unauthorized();
    }
  }

  signJWTtoken(tokenData: TokenData): string {
    return this.authService.sign(tokenData);
  }

  issueJWTToken(tokenData: TokenData) {
    const jwtToken = this.authService.sign({
      email: '',
      id: 1,
      scope: ['ADMIN', 'USER']
    });
    return jwtToken;
  }

  verifyToken(token: string): TokenData {
    return this.authService.verifyToken(token);
  }

  decryptPassword(password: string): string {
    return this.authService.decrypt(password);
  }

  encryptPassword(password: string): string {
    return this.authService.encrypt(password);
  }
}