import {intercept} from '@loopback/context';
import {get, post, toInterceptor} from '@loopback/rest';
import {createProxyMiddleware} from "http-proxy-middleware";
import {PROXY_HEADER_API_URL} from '../common/constants';

const customRouter = ((req: any) => {
  return req.headers[PROXY_HEADER_API_URL]; // protocol + host
});
const proxyInterceptor = toInterceptor(createProxyMiddleware({
  target: '',
  router: customRouter,
  timeout: 100000,
  changeOrigin: true,
  pathRewrite: {
    [`^/test`]: '',
  },
}));


export class MyController {
  constructor(
  ) { }

  @intercept(proxyInterceptor)
  @get('/test', {
    responses: {
      '200': 'string'
    }
  })
  forwardGetRequest(
  ) {
    return 'Error is forwarding the get request';
  }
}