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 csv = require('csv');
const winston = require('winston');

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


var RefToAdd = [];
var refamount;
var tfKeysToAdd = [];
var csKeysToAdd = [];
var KeysToAdd = [];
var tfKeysToAdd = [];
var TfKeysToAdd = [];
var metal = 0;
var Scrap = 0;
var Refined = 0;
var Reclaimed = 0;
var RefRequired = 0;
var RecRequired = 0;
var ScrapRequired = 0;
var change = 0;
var ThereMetalToAdd = [];
var totalMetal;
var ChangeToAdd = [];

winston.add(winston.transports.File, {
    filename: 'somefile.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);
});


client.on('friendRelationship', (steamID, relationship) => { //freind requests
    if (relationship == 2) {
        client.addFriend(steamID);
        client.chatMessage(steamID, config.chat.welcomeMessage);
    }
});

client.on('friendMessage', (steamID, message) => { //freind messgaes
    if (message.startsWith("!buy cs")) {
        var csAmount = parseInt(message.split("!buy cs")[1]);
        if (isNaN(csAmount)) { //calculating required keys
            csAmount = 1;
        }

        var offer = manager.createOffer(steamID); //create offer
        client.chatMessage(steamID, "Creating your offer now");
        var refamount = csAmount * config.buyref;
        var price2 = csAmount * config.buyref2;
        var price = csAmount * config.buyref2;
        //calculating required refined metal

        //trade stuff starts here
        manager.getUserInventoryContents(steamID, 440, 2, true, (err, inv) => { //loading there invent
            if (err) {
                console.log(err.message);
                return;
            }

            manager.getInventoryContents(440, 2, true, (err, ourInv) => { //loading there invent
                if (err) {
                    console.log(err.message);
                    return;
                }

                for (let i = 0; i < inv.length; i++) {                                      //getting all metal in bp and vaules for diffrent metals
                    if (inv[i].market_hash_name.includes('Refined Metal')) {                //metal = all scrap,rec and ref combined
                        metal = metal + 9;
                        Refined = Refined + 9;
                    } else {
                        if (inv[i].market_hash_name.includes('Reclaimed Metal')) {
                            metal = metal + 3;
                            Reclaimed = Reclaimed + 3;
                        } else {
                            if (inv[i].market_hash_name.includes('Scrap Metal')) {
                                metal = metal + 1;
                                Scrap++;
                            }
                        }
                    }
                }

                while (price2 >= 9) {                                 //getting req metal here by seeing if price is over a certain vaule if it is then add to a required var and minus that number from price
                    RefRequired = RefRequired + 9;
                    price2 = price2 - 9;
                }

                while (price2 >= 3) {
                    RecRequired = RecRequired + 3;
                    price2 = price2 - 3;
                }

                while (price2 >= 1) {
                    ScrapRequired++
                    price2 = price2 - 1;
                }



                if (metal > price) {                                    //if they have enough calculate change
                    if (Scrap < ScrapRequired) {                        //by seeing if scrap is under scrap required if it is add a rec to the rec required variable minus 3 from scrap and add the absouloute to the change var
                        RecRequired = RecRequired + 3;                  //then 0 out scrap required
                        ScrapRequired = ScrapRequired - 3;
                        change = change + Math.abs(ScrapRequired);
                        ScrapRequired = 0;
                    }

                    if (Reclaimed < RecRequired) {                          //same here as scrap
                        RefRequired = RefRequired + 9;
                        RecRequired = RecRequired - 9;
                        change = change + Math.abs(RecRequired);
                        RecRequired = 0;
                    }

                    totalMetal = RefRequired + RecRequired + ScrapRequired  //total metal needed by adding all the required metals.

                    for (let i = 0; i < inv.length; i++) {                                                            //loop to get there metal.
                        if (inv[i].market_hash_name.includes('Refined Metal') && totalMetal >= 9) {
                            ThereMetalToAdd.push(inv[i].assetid);
                            totalMetal = totalMetal - 9;
                        } else {
                            if (inv[i].market_hash_name.includes('Reclaimed Metal') && totalMetal >= 3) {
                                ThereMetalToAdd.push(inv[i].assetid);
                                totalMetal = totalMetal - 3;
                            } else {
                                if (inv[i].market_hash_name.includes('Scrap Metal') && totalMetal >= 1) {
                                    ThereMetalToAdd.push(inv[i].assetid);
                                    totalMetal = totalMetal - 1;
                                }
                            }
                        }
                    }




                    for (let i = 0; i < ourInv.length; i++) {                                                                                //loop to get our required change.
                        if (ourInv[i].market_hash_name.includes('Refined Metal') && change >= 9) {
                            ChangeToAdd.push(ourInv[i].assetid);
                            change = change - 9;
                            console.log(change);
                        } else {
                            if (ourInv[i].market_hash_name.includes('Reclaimed Metal') && change >= 3) {
                                ChangeToAdd.push(ourInv[i].assetid);
                                change = change - 3;
                                console.log(change);
                            } else {
                                if (ourInv[i].market_hash_name.includes('Scrap Metal') && change >= 1) {
                                    ChangeToAdd.push(ourInv[i].assetid);
                                    change = change - 1;
                                    console.log(change);
                                }
                            }
                        }
                    }

                    if (totalMetal == 0) {
                    for (let i = 0; i < ThereMetalToAdd.length; i++) {                    //add assest ids
                        offer.addTheirItem({
                            assetid: ThereMetalToAdd[i],
                            appid: 440,
                            contextid: 2
                        });
                    }
                  }else{
                    console.log("nope");
                    return;
                  }

                  if (change == 0) {
                    for (let i = 0; i < ChangeToAdd.length; i++) {                    //add assest ids
                        offer.addMyItem({
                            assetid: ChangeToAdd[i],
                            appid: 440,
                            contextid: 2
                        });
                    }
                  }else{
                    console.log("nope 2")
                  }



                    offer.send((err, status) => {                                               //send offer.
                        if (err) {
                            console.log(err);
                        }
                    });

                } else {
                    client.chatMessage(steamID, "sorry you do not have enough metal to buy this many keys. Maybe try and buy less?");
                    console.log("user " + steamID + " did not have enoguh metal");
                    return;
                }
            });
        });
    }
    RefToAdd = [];
    KeysToAdd = [];
    ThereMetalToAdd = [];
    ChangeToAdd = [];
    totalMetal = 0;
});