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

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

const logOnOptions = {
    accountName: config.username,
    password: config.password,
    twoFactorCode: SteamTotp.generateAuthCode(config.sharedSecret)
};

client.logOn(logOnOptions);

client.on('loggedOn', () => {
    console.log('succesfully logged on.');
});

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

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

function acceptOffer(offer) {
    offer.accept((err) => {
        community.checkConfirmations();
        console.log("We Accepted an offer");
        if (err) console.log("There was an error accepting the offer.");
    });
}

function declineOffer(offer) {
    offer.decline((err) => {
        console.log("We Declined an offer");
        if (err) console.log("There was an error declining the offer.");
    });
}

client.setOption("promptSteamGuardCode", false);

manager.on('newOffer', (offer) => {
    if (offer.partner.getSteamID64() === 'my_account_id') {
        acceptOffer(offer);
    } else {
    declineOffer(offer);
    }

});