auth.service.ts

import { Injectable } from '@nestjs/common';
import * as bcrypt from 'bcrypt';
import { Tokens } from './auth.controller.ts';
@Injectable()
export class AuthService {
  constructor(
    private prisma: PrismaService,
    private jwtService: JwtService
  ) {}
  
  private async signTokens(userId: string, email: string): Promise<Tokens> {
    const refreshToken = await this.jwtService
      .signAsync(
        { sub: userId, email, }, 
        { expiresIn: this.configService.get('REFRESH_LIFESPAN') }
      );
    const accessToken = await this.jwtService
      .signAsync(
        { sub: userId, email, }, 
        { expiresIn: this.configService.get('ACCESS_LIFESPAN') }
      );
      
    return {
      refreshToken,
      accessToken,
    }
  }
  
  private async updateRefreshToken(
    userId: string, 
    refreshToken: string
  ): Promise<void> {
    const hashedRefreshToken = await this.bcrypt.hash(refreshToken);
    
    await this.prisma.update({
      where: {
        id: userId,
      },
      data: {
        hashedRefreshToken
      },
    });
  }
}