using SteamKit2;
using System.Collections.Generic;
using SteamTrade;

namespace SteamBot
{
    public class IdleUserHandler : UserHandler
    {
        public int ScrapPutUp;

        public IdleUserHandler (Bot bot, SteamID sid) : base(bot, sid) {}

        public override bool OnGroupAdd()
        {
            return false;
        }

        public override bool OnFriendAdd ()
        {
            return false;
        }

        public override void OnLoginCompleted()
        {
        }

        public override void OnChatRoomMessage(SteamID chatID, SteamID sender, string message)
        {
            Log.Info(Bot.SteamFriends.GetFriendPersonaName(sender) + ": " + message);
            base.OnChatRoomMessage(chatID, sender, message);
        }

        public override void OnFriendRemove () {}

        public override void OnMessage (string message, EChatEntryType type)
        {
            Bot.SteamFriends.SendChatMessage(OtherSID, type, Bot.ChatResponse);
        }

        public override bool OnTradeRequest()
        {
            return true;
        }

        public override void OnTradeError (string error)
        {
            Bot.SteamFriends.SendChatMessage (OtherSID,
                                              EChatEntryType.ChatMsg,
                                              "Oh, there was an error: " + error + "."
                                              );
            Bot.log.Warn (error);
        }

        public override void OnTradeTimeout ()
        {
            Bot.SteamFriends.SendChatMessage (OtherSID, EChatEntryType.ChatMsg,
                                              "Sorry, but you were AFK and the trade was canceled.");
            Bot.log.Info ("User was kicked because he was AFK.");
        }

        public override void OnTradeInit()
        {
            Trade.SendMessage ("Success. Please put up your items.");
        }

        public override void OnTradeAddItem (Schema.Item schemaItem, Inventory.Item inventoryItem) {}

        public override void OnTradeRemoveItem (Schema.Item schemaItem, Inventory.Item inventoryItem) {}

        public override void OnTradeMessage (string message) {}

        public override void OnTradeReady (bool ready)
        {
            if (!ready)
            {
                Trade.SetReady (false);
            }
            else
            {
                if(Validate ())
                {
                    Trade.SetReady (true);
                }
                Trade.SendMessage ("Scrap: " + ScrapPutUp);
            }
        }

        public override void OnTradeSuccess()
        {
            // Trade completed successfully
            Log.Success("Trade Complete.");
        }

        public override void OnTradeAccept()
        {
            if (Validate() || IsAdmin)
            {
                //Even if it is successful, AcceptTrade can fail on
                //trades with a lot of items so we use a try-catch
                try {
                    if (Trade.AcceptTrade())
                        Log.Success("Trade Accepted!");
                }
                catch {
                    Log.Warn ("The trade might have failed, but we can't be sure.");
                }
            }
        }

        public bool Validate ()
        {
            ScrapPutUp = 0;

            List<string> errors = new List<string> ();

            foreach (ulong id in Trade.OtherOfferedItems)
            {
                var item = Trade.OtherInventory.GetItem (id);
                if (item.Defindex == 5000)
                    ScrapPutUp++;
                else if (item.Defindex == 5001)
                    ScrapPutUp += 3;
                else if (item.Defindex == 5002)
                    ScrapPutUp += 9;
                else
                {
                    var schemaItem = Trade.CurrentSchema.GetItem (item.Defindex);
                    errors.Add ("Item " + schemaItem.Name + " is not a metal.");
                }
            }

            if (ScrapPutUp < 1)
            {
                errors.Add ("You must put up at least 1 scrap.");
            }
            public override void OnMessage(string message, EChatEntryType type)
        {
            message = message.ToLower();

            //REGULAR chat commands
            if (message.Contains("help")
            {
                Bot.SteamFriends.SendChatMessage(OtherSID, type, "Hey, I'm sorry, but i am an idle bot, designed to idle in games for trading cards. if you would like to talk to my owner, please add him by clicking the link on my profile.");
            }
            // ADMIN commands
            else if (IsAdmin)
            {
            if (message.startsWith(".launch"))
            {
                if (message.length >= 8)
                {
                    SetGamePlaying(message.substring)
                    Bot.SteamFriends.SendChatMessage(OtherSID, type, "Launching game:" message.substring);
                }
            }

            // send the errors
            if (errors.Count != 0)
                Trade.SendMessage("There were errors in your trade: ");
            foreach (string error in errors)
            {
                Trade.SendMessage(error);
            }

            return errors.Count == 0;
        }

    }

}