const SteamUser = require('steam-user');
const SteamTotp = require('steam-totp');
const SteamCommunity = require('steamcommunity');
const TradeOfferManager = require('steam-tradeoffer-manager');
const fs = require('fs');

const client = new SteamUser();
const community = new SteamCommunity();
const manager = new TradeOfferManager({
  steam: client,
  community: community,
  language: 'en'
});

const logOnOptions = {
  accountName: 'accountname',  //put your steam username here within the quotes
  password: 'password', //put your steam password here within the quotes
  twoFactorCode: SteamTotp.generateAuthCode('sharedsecret') //put your steam shared secret here within the quotes
};

client.logOn(logOnOptions);

client.on('loggedOn', () => {
  console.log('Logged into Steam with the account name of : ' + logOnOptions.accountName);

  let tf2 = 440;
  let csgo = 730;

  client.setPersona(SteamUser.Steam.EPersonaState.Online);
  client.gamesPlayed(csgo); //here you can put csgo or tf2
});

client.on('webSession', (sessionid, cookies) => {
  manager.setCookies(cookies);

  community.setCookies(cookies);
  community.startConfirmationChecker(10000, 'identitysecret');

  console.log('Connected with the api key');
});

manager.on('newOffer', (offer) => {

  console.log("New offer #" + offer.id + " from " + offer.partner);

  if (offer.itemsToGive.length === 0) {

  let donation = {
  	keys: 0,
  	scrap: 0,
  	ref: 0,
  	rec: 0,
  	tot: 0
  }

  for (var i = 0; i < offer.itemsToReceive.length; i++) {

  let item = offer.itemsToReceive[i];

    if(item.name.indexOf('Supply Crate Key')){
      donation.keys++;
    } else if (item.name.indexOf('Refined Metal')){
      donation.ref++;
    } else if (item.name.indexOf('Reclaimed Metal')){
      donation.rec++;
    } else if (item.name.indexOf('Scrap Metal')){
      donation.scrap++;
    }

  }

  donation.tot = (donation.keys * 3) + (donation.scrap * 2) + (donation.ref * 3) + (donation.rec * 4);

  fs.writeFile('donations.txt', 'User: ' + offer.partner.getSteamID64() + ' has a total of : ' + donation.tot + ' tickets', (err) => {

    if(err) {
      console.log(err);
    } else {

    console.log('The donation file was updated');

    offer.accept((err, status) => {
	  if (err) {
	    console.log(err);
	  } else {
		    console.log(`Donation accepted. Status: ${status}.`)
	  }
	});

    }

});

}

});