const RtmClient = require('@slack/client').RtmClient;
const WebClient = require('@slack/client').WebClient;
const RTM_EVENTS = require('@slack/client').RTM_EVENTS;

const bot_token = “your-token-here”
const rtm = new RtmClient(bot_token);
const web = new WebClient(bot_token);

const robotName = “examplebot”;
const allCommands = {“command1:”, “command2:”}

function executeCommand(command){
    console.log(command);
}

function updateUsers(data) {
  users = data.members;
}

function getUsernameFromId(id) {
  const user = users.find(user => user.id === id);
  return user ? user.name : "unknown member";
}



rtm.on(RTM_EVENTS.MESSAGE, function handleRtmMessage(message) {
    if (message.type === 'message' && message.text) {
        const userName = getUsernameFromId(message.user);
        if(userName !== robotName) {
            if(message.text.indexOf(robotName){
	    rtm.sendMessage(“Hey “ + userName + “, I heard that!”, message.channel)
            }
            if (message.text.indexOf(":") > -1) {
        allCommands.forEach(function(command) {
          if (message.text.indexOf(command) > -1) {
            executeCommand(command);
          }
        }
}
         }
     }
}

web.users.list(function(err, data) {
  if (err) {
    console.error('web.users.list Error:', err);
  } else {
    updateUsers(data)
  }
});

rtm.start();