import { ExecutionContext, Injectable, UnauthorizedException } from "@nestjs/common";
import { AuthGuard } from "@nestjs/passport";
import { Observable } from "rxjs";

import { JWT_STRATEGY_NAME } from "../../../common/constants";
import { AuthMessage } from "../../../common/enums/message.enum";

@Injectable()
export class JwtAuthGuard extends AuthGuard(JWT_STRATEGY_NAME) {
  canActivate(context: ExecutionContext): boolean | Promise<boolean> | Observable<boolean> {
    return super.canActivate(context);
  }

  handleRequest(err: unknown, user: any, _info: unknown) {
    if (err || !user) throw new UnauthorizedException(AuthMessage.TOKEN_EXPIRED_OR_INVALID);
    return user;
  }
}