const express = require('express');

module.exports = ({ realm, messageHandler }) => {
  const app = express.Router();

  const handle = (req, res, next) => {
    const { id } = req.params;

    if (!id) return next();

    const client = realm.getClientById(id);

    const { type, dst, payload } = req.body;

    const message = {
      type,
      src: id,
      dst,
      payload
    };

    messageHandler(client, message);

    res.sendStatus(200);
  };

  app.post('/offer', handle);

  app.post('/candidate', handle);

  app.post('/answer', handle);

  app.post('/leave', handle);

  return app;
};