import { Injectable, NestMiddleware } from '@nestjs/common';

import { NextFunction, Request, Response } from 'express';

import { MiddlewareService } from 'src/engine/middlewares/middleware.service';

@Injectable()
export class GraphQLHydrateRequestFromTokenMiddleware
  implements NestMiddleware
{
  constructor(private readonly middlewareService: MiddlewareService) {}

  async use(req: Request, res: Response, next: NextFunction) {
    if (this.middlewareService.checkUnauthenticatedAccess(req)) {
      return next();
    }

    try {
      await this.middlewareService.authenticateGraphqlRequest(req);
    } catch (error) {
      this.middlewareService.writeGraphqlResponseOnExceptionCaught(res, error);

      return;
    }

    next();
  }
}