import { CanActivate, ExecutionContext, Injectable } from '@nestjs/common';
import { Observable } from 'rxjs';
import { Reflector } from '@nestjs/core';

@Injectable()
export class MoreLevelGuard implements CanActivate {
  constructor(private reflector: Reflector) {}

  canActivate(
    context: ExecutionContext,
  ): boolean | Promise<boolean> | Observable<boolean> {
    const roles = this.reflector.get<string[]>('roles', context.getHandler());
    const request = context.switchToHttp().getRequest();
    const user = request.user;
    if (roles && roles[0] && roles[0] <= user.level) {
      return true;
    } else {
      return false;
    }
  }
}