import { Strategy } from 'passport-local'
import { PassportStrategy } from '@nestjs/passport'
import { Injectable, UnauthorizedException } from '@nestjs/common'
import { AuthService } from '../auth.service'
import { env } from 'process'

@Injectable()
export class LocalStrategy extends PassportStrategy(Strategy) {
  constructor(private authService: AuthService) {
    //super()
    //If you want to check user authenticate with custom column like 'email', try pass it.
    super({ usernameField: env.AUTH_USERNAME_FIELD })
  }

  async validate(email: string, password: string): Promise<any> {
    const user = await this.authService.validateUser(email, password)
    if (!user) {
      throw new UnauthorizedException()
    }
    return user
  }
}