const SteamUser = require('steam-user');
const TradeOfferManager = require('steam-tradeoffer-manager');
const SteamTotp = require('steam-totp');
const SteamCommunity = require('steamcommunity');
const config = require('./config.json');
const winston = require('winston');

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

var TradesCompleted = 0;



winston.add(winston.transports.File, {
    filename: 'events.log'
});
winston.remove(winston.transports.Console);



const logOnOptions = {
    accountName: config.username,
    password: config.password,
    twoFactorCode: SteamTotp.generateAuthCode(config.sharedSecret)
};
//log on
client.logOn(logOnOptions);

client.on('loggedOn', function(details) {
    console.log(`Logged into Steam as ${client.steamID.getSteam3RenderedID()}`); //online then play tf2
    client.setPersona(SteamUser.Steam.EPersonaState.Online);
    client.gamesPlayed([440])
});

client.on('webSession', function(sessionID, cookies) {
    manager.setCookies(cookies, function(err) {
        if (err) return console.log(err);
        console.log(`Got API key: ${manager.apiKey}`);
    });

    community.setCookies(cookies);
    community.startConfirmationChecker(10000, config.identitySecret);
});




function Get_Craft_Hats(offer, price) {

    var Vaule = 0;

    offer.forEach(function(item) {
        if (item.tags) {
            item.tags.forEach(function(tag) {
                if (tag.name && tag.name == "Trading Card") {
                    Vaule += Math.round(price * 9);
                }
            });
        }
    });
    return Vaule;
}



function Get_Metal(offer) {

  var Vaule = 0;

    for (i = 0; i < offer.length; i++) {
        if (offer[i].market_hash_name.includes('Refined Metal')) {
          Vaule+=9;
        } else {
            if (offer[i].market_hash_name.includes('Reclaimed Metal')) {
                Vaule+=3;
            } else {
                if (offer[i].market_hash_name.includes('Scrap Metal')) {
                    Vaule++;
                }
            }
        }
    }
    return Vaule;
}




function acceptOffer(offer) {
	offer.accept((err) => {
		if (err) console.log(`Unable to accept offer: ${err.message}`);
		community.checkConfirmations();
	});
}




function declineOffer(offer) {
	offer.decline((err) => {
		if (err) return console.log(`Unable to decline offer: ${err.message}`);
	});
}

function LogTradesCompleted(){
  winston.info("trades completed " + TradesCompleted + " we should make 60 a day to make profit.");
}

setInterval(LogTradesCompleted, 1440 * 1000);


manager.on('newOffer', function(offer) {

    var partnerID = offer.partner.getSteamID64();


    var OurCraftHatsVaule = Get_Craft_Hats(offer.itemsToGive, config.CardSellPrice);
    var OurMetal = Get_Metal(offer.itemsToGive);
    var VauleToGive = OurCraftHatsVaule + OurMetal;

    var ThereCraftHatsVaule = Get_Craft_Hats(offer.itemsToReceive,config.CardBuyPrice);
    var ThereMetal = Get_Metal(offer.itemsToReceive);
    var VauleToReceive = ThereCraftHatsVaule + ThereMetal;


    if(VauleToReceive >= VauleToGive) {
      acceptOffer(offer);
      winston.info("accepted offer from " + partnerID);
      TradesCompleted++;
      console.log(TradesCompleted);
    }else{
      declineOffer(offer);
      winston.info("declined offer we would have lost scrap (╯︵╰,)");
    }
});