import { JwtPayload } from './../interfaces/jwt-payload.interface';
import { Injectable, UnauthorizedException } from "@nestjs/common";
import { PassportStrategy } from "@nestjs/passport";
import { AuthService } from "../services/auth.service";
import { ExtractJwt, Strategy }  from 'passport-jwt';

@Injectable()
export class JwtStrategy extends PassportStrategy(Strategy) {
  constructor(private readonly authService: AuthService){
    super({
      jwtFromRequest: ExtractJwt.fromAuthHeaderAsBearerToken(),
      secretOrKeyProvider: '4557C0D7-DFB0-40DA-BF83-91A75103F7A9', //secretOrKey
    })
  }

  async validate(payload: JwtPayload) {
    const user = await this.authService.validateUser(payload);
    if (!user) {
      throw new UnauthorizedException();
    }
    return user;
  }

}