const { ServiceRegister } = require("@fennec/configuration");
const { findFreePorts } = require("find-free-ports");

module.exports = async function () {
  return {
    devServer: {
      open: false,
      port: await findFreePorts().then((ports) => ports[0]),
      onListening(devServer) {
        if (!devServer) {
          throw new Error("webpack-dev-server is not defined");
        }

        const port = devServer.listeningApp.address().port;
        const register = new ServiceRegister({
          etcd: { hosts: ["http://rpi:2379"] },
        });
        register.register("admin.blog", `http://localhost:${port}/`);
        console.log("Listening on port:", port);
      },
    },
  };
};