const { NewMessage } = require("telegram/events");

module.exports = function (RED) {
  function Command(config) {
    RED.nodes.createNode(this, config);
    this.config = RED.nodes.getNode(config.config);
    var node = this;
    /** @type {TelegramClient} */
    const client = this.config.client;

    try {
      client.addEventHandler((update) => {
        const message = update.message.message;
        if (message) {
          if (config.regex) {
            const regex = new RegExp(config.command);

            if (regex.test(message)) {
              var msg = {
                payload: {
                  update,
                },
              };

              node.send(msg);
            }
          } else if (message === config.command) {
            var msg = {
              payload: {
                update,
              },
            };

            node.send(msg);
          }
        }
      }, new NewMessage());
    } catch (err) {
      node.error("Authorization error: " + err.message);
    }
  }

  RED.nodes.registerType("command", Command);
};