/**
 * @author Martin Karkowski
 * @email m.karkowski@zema.de
 * @create date 2022-01-14 20:29:13
 * @modify date 2022-01-14 20:36:36
 * @desc [description]
 */

import { sleep } from "../../helpers/async";
import { INopeDispatcher } from "../../types/nope";

/**
 * Generate and registers a ping service.
 *
 * @author M.Karkowski
 * @export
 * @param {INopeDispatcher} dispatcher
 * @return {*} The function to ping all dispatchers.
 */
export async function enablingSyncingData(dispatcher: INopeDispatcher) {
  // Registers the Ping Method at the Dispatcher.
  await dispatcher.connectivityManager.dispatchers.onChange.subscribe(
    async (eventData) => {
      // If there is added Data
      if (eventData.added.length > 0) {
        // And if we are the master module
        // we will emit the new data.
        if (dispatcher.connectivityManager.isMaster) {
          // But before, wait for shure.
          await sleep(0);

          // Get the Data.
          const data = dispatcher.dataDistributor.pullData("", {});

          // Emit the Data.
          dispatcher.communicator.emit("DataChanged", {
            args: [],
            data: data,
            forced: false,
            path: "",
            sender: dispatcher.id,
            timestamp: dispatcher.connectivityManager.now,
          });
        }
      }
    }
  );

  return {};
}