var Steam = require("steam");
var SteamUser = require ("steam-user");
var client = new SteamUser();
var SteamTotp = require('steam-totp');

var friends = new Steam.SteamFriends(client.client);

var SteamCommunity = require('steamcommunity');
var community = new SteamCommunity();

var client;

var TradeOfferManager = require('steam-tradeoffer-manager');
var fs = require('fs');
var request = require('request');

var SteamTrade = require("steam-trade");
var steamTrade = new SteamTrade();

var adminid = '' //Admins Steam id

var config = require('./config.json'); //Our config holds the needed login details

var manager = new TradeOfferManager({
	"steam": client,
	"domain": "example.com",
	"language": "en"
});

client.logOn({
  accountName: config.username, //
  password: config.password, //
  twoFactorCode: SteamTotp.generateAuthCode(config.sharedSecret) //
});

client.on("loggedOn", function(details){
    console.log("Logged into Steam as " + client.steamID.getSteam3RenderedID());
	client.setPersona(SteamUser.Steam.EPersonaState.Online, "Bot name");
	client.gamesPlayed("Currently accepting donations!", 730);
});

client.on('error', function (e) {
    console.log('ERROR: ' + e);
});

client.on('webSession', function (sessionID, cookies) {
    manager.setCookies(cookies, function (err) {
        if (err) {
            console.log(err);
            process.exit(1);
            return;
        }
    });
    community.setCookies(cookies);
    community.chatLogon();
    community.startConfirmationChecker(10000, config.identitySecret);
});

manager.on('newOffer', function (offer) {
    console.log("New offer #" + offer.id + " from " + offer.partner.getSteamID64() + " - itemsToGive: " + offer.itemsToGive.length + " - itemsToReceive: " + offer.itemsToReceive.length);
    console.log("Note: " + offer.message);

    if (offer.partner.getSteamID64() == adminid) {
        offer.accept();
        community.checkConfirmations();
    } else {
        offer.getUserDetails(function (err, me, them) {
            if (err) {
                console.log(err.message);
            } else {
                if (them.escrowDays > 0) {
                    offer.decline();
                    client.chatMessage(offer.partner.getSteamID64(), "You have " + them.escrowDays + " escrow days left, please try again later.");
                } else {

                    if (offer.itemsToReceive.length > 0 && offer.itemsToGive.length == 0) {
                        offer.accept();
                    } else {
                        offer.decline();
                    }
                }
            }
        });
    }
});

//When a steam offer is recieved the bot will store the id and user, if the offer is a donation the bot will accept it, otherwise decline it.
manager.on('receivedOfferChanged', function (offer, oldState) {
    console.log(`Offer #${offer.id} changed: ${TradeOfferManager.ETradeOfferState[oldState]} -> ${TradeOfferManager.ETradeOfferState[offer.state]}`);
    if (offer.state == TradeOfferManager.ETradeOfferState.Accepted) {
        offer.getReceivedItems(function (err, items) {
            if (err) {
                console.log("Couldn't get received items: " + err);
            } else {
                var names = items.map(function (item) {
                    return item.name;
                });
                console.log("Received from " + offer.partner.getSteamID64() + ": " + names.join(', '));
            }
        });
    }
});

client.on('newItems', function (count) {
    console.log(count + " new items in our inventory");
});

//When another Steam user adds the bot, it will accept the user store their id and send them a message
client.on('friendRelationship', (steamid, relationship) => {
    if (relationship === 2) {
        client.addFriend(steamid);
		console.log('Added ' + steamid  + ' to friendlist');
		client.chatMessage(steamid, 'Hello there, I\'m your new friend. I can\'t do much at the moment, so I apologise. ');
		console.log('Sent welcome message too ' + steamid);
    }
});

//If a user sends the bot a message and the bot recognizes the word with a listed command or message it will reply with a pre-written message.
friends.on("friendMsg", function(user, msg, type){
 if(type == Steam.EChatEntryType.ChatMsg){
  if(msg == "hi"){
		friends.sendMessage(user,"Sup bro, how's life?");
   }
	if(msg == "Hi"){
		friends.sendMessage(user,"Sup bro, how's life?");
   }
 }
});