import { Injectable, UnauthorizedException } from '@nestjs/common';
import { CreateAuthDto } from './dto/create-auth.dto';
import { UpdateAuthDto } from './dto/update-auth.dto';
import { UserService } from 'src/user/user.service';
import { JwtService } from '@nestjs/jwt';

@Injectable()
export class AuthService {
  constructor(private usersService: UserService, private jwtService: JwtService) { }

  async signIn(
    username: string,
    pass: string,
  ): Promise<{ access_token: string }> {
    const user = await this.usersService.findOneByUsername(username);
    if (user?.password !== pass) {
      throw new UnauthorizedException();
    }
    const payload = { sub: user.userId, username: user.username };
    return {
      access_token: await this.jwtService.signAsync(payload),
    };
  }

  // create(createAuthDto: CreateAuthDto) {
  //   return 'This action adds a new auth';
  // }

  // findAll() {
  //   return `This action returns all auth`;
  // }

  // findOne(id: number) {
  //   return `This action returns a #${id} auth`;
  // }

  // update(id: number, updateAuthDto: UpdateAuthDto) {
  //   return `This action updates a #${id} auth`;
  // }

  // remove(id: number) {
  //   return `This action removes a #${id} auth`;
  // }
}