auth.service.ts

import { HttpException, HttpStatus, Injectable } from '@nestjs/common';
import { User } from 'src/user/entities/user.entity';
import { UserService } from 'src/user/user.service';
import { legacyEncoding } from 'src/utils/encoding/legacy-encoding';
import { JwtService } from '@nestjs/jwt';

@Injectable()
export class AuthService {
  constructor(
    private userService: UserService,
    private jwtTokenService: JwtService,
  ) { }

  async validateCredential(email: string, pass: string) {
    const user = await this.userService.findByEmail(email);
    if (
      user &&
      user.id &&
      user.password !== '' &&
      [
        user.password,
        legacyEncoding(user.password),
        legacyEncoding(legacyEncoding(user.password)),
      ].includes(pass)
    ) {
      return user;
    }
    return null;
  }

  async loginWithCredentials(email: string, pass: string) {
    const user = await this.userService.findByEmail(email);
    if (
      user &&
      user.id &&
      user.password !== '' &&
      [
        user.password,
        legacyEncoding(user.password),
        legacyEncoding(legacyEncoding(user.password)),
      ].includes(pass)
    ) {
      const payload = { email: user.email, sub: user.id };
      return {
        access_token: this.jwtTokenService.sign(payload),
      };
    }
    else throw new HttpException('UNAUTHORIZED', HttpStatus.UNAUTHORIZED);
  }
}