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

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(["B>Cards: 0.11 | S>Cards: 0.33",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);
});

client.on('friendRelationship', (steamid, relationship) => {
    // Code to run when our relationship with `steamid` changes
});

client.on('friendRelationship', (steamid, relationship) => {
    if (relationship === 2) {
        // Code to run when we get a `PendingInvitee`
    }
});

client.on('friendRelationship', (steamid, relationship) => {
    if (relationship === 2) {
        client.addFriend(steamid);
        client.chatMessage(steamid, 'Hello there! Thanks for adding me!I buy and sell Steam Trading Cards/Backgrounds/Emoticons for TF2 metal!Just sent me a trade offer and i will accept it!');
    }
});

function Get_Cards(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_Cards(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_backround(offer, price) {

    var Vaule = 0;

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

function Get_emoticons(offer, price) {

    var Vaule = 0;

    offer.forEach(function(item) {
        if (item.tags) {
            item.tags.forEach(function(tag) {
                if (tag.name && tag.name == "Emoticon") {
                    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, partnerID) {
    offer.accept((err) => {
        if (err) console.log(`Unable to accept offer: ${err.message}`);
        community.checkConfirmations();
    client.inviteToGroup(partnerID, config.groupSteamID);
    });
}




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

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

    var partnerID = offer.partner.getSteamID64();

    var OurCardVaule = Get_Cards(offer.itemsToGive, config.CardsSellPrice);
    var OurMetal = Get_Metal(offer.itemsToGive);
	var OurBackroundVaule = Get_backround(offer.itemsToGive, config.BackroundSellPrice)
	var OurEmoticonVaule = Get_emoticons(offer.itemsToGive, config.EmoticonSellPrice)
    var VauleToGive = OurCardVaule + OurMetal + OurEmoticonVaule + OurBackroundVaule;

    var ThereCardVaule = Get_Cards(offer.itemsToReceive,config.CardsBuyPrice);
    var ThereMetal = Get_Metal(offer.itemsToReceive);
	var ThereBackroundVaule = Get_backround(offer.itemsToReceive, config.BackroundBuyPrice);
	var ThereEmoticonVaule = Get_emoticons(offer.itemsToReceive, config.EmoticonBuyPrice);
    var VauleToReceive = ThereCardVaule + ThereMetal + ThereBackroundVaule + ThereEmoticonVaule;


    if(VauleToReceive >= VauleToGive) {
      acceptOffer(offer, partnerID);
      console.log("accepted offer");
      console.log("invited to group");
    }else{
      declineOffer(offer);
      console.log("declined offer");
    }
});