#!/usr/bin/python
"""
Copyright 2011, Dipesh Amin <yaypunkrock@gmail.com>
Copyright 2011, Stefan Beller <stefanbeller@googlemail.com>

This file is part of tradey, a trading bot in The Mana World
see www.themanaworld.org

This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2 of the License, or (at your option)
any later version.

This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
more details.

You should have received a copy of the GNU General Public License along with
this program. If not, see <http://www.gnu.org/licenses/>.

Additionally to the GPL, you are *strongly* encouraged to share any modifications
you do on these sources.
"""

import logging
import logging.handlers
import socket
import sys
import time
import string

try:
    import config
except:
    print "no config file found. please move config.py.template to config.py and edit to your needs!"
    sys.exit(0);

from being import *
from net.packet import *
from net.protocol import *
from net.packet_out import *
from player import *
import tradey
import utils
import eliza
from onlineusers import SqliteDbManager
from ircbot import IRCBot
from sdnotify import SystemdNotifier

chatbot = eliza.eliza()
shop_broadcaster = utils.Broadcast()
trader_state = utils.TraderState()
ItemDB = utils.ItemDB()
player_node = Player('')
beingManager = BeingManager()
user_tree = tradey.UserTree()
sale_tree = tradey.ItemTree()
ItemLog = utils.ItemLog()
logger = logging.getLogger('ManaLogger')
db_manager = SqliteDbManager(config.sqlite3_dbfile)
ircbot = IRCBot()
sd = SystemdNotifier()

# How long to wait between WATCHDOG=1 systemd keepalives, in seconds
sd_min_keepalive_rate = 5

def process_whisper(nick, msg, mapserv):
    msg = filter(lambda x: x in utils.allowed_chars, msg)
    if len(msg) == 0:
        return

    # Infinite chat loop anyone?
    if nick == "guild":
        return

    user = user_tree.get_user(nick)
    broken_string = msg.split()

    if len(broken_string) == 0:
        return

    if user != -10:
        if int(user.get("accesslevel")) == -1: # A user who has been blocked for abuse.
            if int(user.get("used_stalls")) == 0 and int(user.get("money")) == 0:
                mapserv.sendall(whisper(nick, "You can no longer use the bot. If you feel this is in error, please contact" + config.admin))
                return
            allowed_commands = ['!money', '!help', '!getback', '!info' ]
            if not broken_string[0] in allowed_commands:
                mapserv.sendall(whisper(nick, "Your access level has been set to blocked! If you feel this is in error, please contact" + config.admin))
                mapserv.sendall(whisper(nick, "Though, you still can do the following: "+str(allowed_commands)))
                return

    if msg == "!list":
        # Sends the list of items for sale.
        if len(sale_tree.root) != 0:
            mapserv.sendall(whisper(nick, "The following items are on sale:"))
        else:
            mapserv.sendall(whisper(nick, "No items for sale."))

        for elem in sale_tree.root:
            if time.time() - float(elem.get('add_time')) < config.relist_time: # Check if an items time is up.
                msg = "[selling] [" + elem.get("uid") + "] " + elem.get("amount") + " [@@" + \
                elem.get("itemId") + "|" + ItemDB.getItem(int(elem.get("itemId"))).name + "@@] for " + elem.get("price") + "gp each"
                mapserv.sendall(whisper(nick, msg))

    elif broken_string[0] == '!selllist':
        # Support for 4144's shop (Sell list)
        data = '\302\202B1'

        for elem in sale_tree.root:
            if time.time() - float(elem.get('add_time')) < config.relist_time:
                data += utils.encode_str(int(elem.get("itemId")), 2)
                data += utils.encode_str(int(elem.get("price")), 4)
                data += utils.encode_str(int(elem.get("amount")), 3)
        mapserv.sendall(whisper(nick, data))

    elif broken_string[0] == '!buyitem':
        # 4144 buy command
        if len(broken_string) == 4:
            if broken_string[1].isdigit() and broken_string[2].isdigit() and broken_string[3].isdigit():
                # Traditional 4144 shop.
                item_id = int(broken_string[1])
                price = int(broken_string[2])
                amount = int(broken_string[3])
                for elem in sale_tree.root:
                    if int(elem.get('amount')) >= amount and int(elem.get('price')) == price and int(elem.get('itemId')) == item_id:
                        process_whisper(nick, '!buy ' + str(amount) + " " + elem.get('uid'), mapserv)
                        return
                mapserv.sendall(whisper(nick, "Item not found. Please check and try again."))
        else:
            mapserv.sendall(whisper(nick, "Syntax incorrect"))

    elif msg == "!info":
        # Send information related to a player.
        if user == -10:
            mapserv.sendall(whisper(nick, "Your current access level is 0. Request access in [@@https://forums.themanaworld.org/viewtopic.php?f=14&t=14010|ManaMarket's forum thread@@]"))
        elif int(user.get('accesslevel')) > 0:
            mapserv.sendall(whisper(nick, "Your current access level is " + user.get('accesslevel') + "."))
            items_for_sale = False
            for elem in sale_tree.root:
                if elem.get('name') == nick:
                    if time.time() - float(elem.get('add_time')) > config.relist_time:
                        msg = "[expired] ["
                    else:
                        msg = "[selling] ["

                    msg += elem.get("uid") + "] " + elem.get("amount") + " [@@" + elem.get("itemId") + "|" + \
                        ItemDB.getItem(int(elem.get("itemId"))).name + "@@] for " + elem.get("price") + "gp each"

                    if items_for_sale == False:
                        mapserv.sendall(whisper(nick, "Your have the following items for sale:"))
                        items_for_sale = True

                    mapserv.sendall(whisper(nick, msg))

            if items_for_sale == False:
                mapserv.sendall(whisper(nick, "You have no items for sale."))

            money = int(user.get('money'))
            mapserv.sendall(whisper(nick, "You have " + str(money) + "gp to collect."))
            stall_msg = "You have " + str(int(user.get('stalls')) - int(user.get('used_stalls'))) + " free slots."
            mapserv.sendall(whisper(nick, stall_msg))

    elif broken_string[0] == "!help":
        # Sends help information
        if len(broken_string) == 1:
            mapserv.sendall(whisper(nick, "Welcome to ManaMarket!"))
            mapserv.sendall(whisper(nick, "The basic commands for the bot are: !list, !find <id> or <Item Name>, !buy <amount> <uid>, !add <amount> <price> <Item Name>, !money, !relist <uid>, !info, !getback <uid> "))
            mapserv.sendall(whisper(nick, "For a detailed description of each command, type !help <command> e.g. !help !buy"))
            mapserv.sendall(whisper(nick, "For example to purchase an item shown in the list as:"))
            mapserv.sendall(whisper(nick, "[selling] [6] 5 [@@640|Iron Ore@@] for 1000gp each"))
            mapserv.sendall(whisper(nick, "you would type /whisper ManaMarket !buy 1 6" ))
            mapserv.sendall(whisper(nick, "This will purchase one of item 6 (Iron Ore)."))

            if user != -10:
                if int(user.get('accesslevel')) >= 5:
                    mapserv.sendall(whisper(nick,"---"))
                    mapserv.sendall(whisper(nick, "Ah, you have sellers access level. How lovely!")) # the first words the ticket seller told me when i was in london for the first time. How lovely!
                    mapserv.sendall(whisper(nick, "Use !add to tell me which items I should trade for you:"))
                    mapserv.sendall(whisper(nick, "For example !add 10 1000 Iron Ore would tell me to sell 10 [@@640|Iron Ore@@] for a price of 1000 gp"))
                    mapserv.sendall(whisper(nick, "Later you can whisper me !money to get back your money. In the example given, I'd give you 10*1000 = 10000gp"))
                    mapserv.sendall(whisper(nick, "When you just want to know, which items you have given me or how much money I have for you can whisper me !info"))
                    mapserv.sendall(whisper(nick,"If you want to get back an unsold item, whisper me !getback <uid>"))

                if int(user.get('accesslevel')) == 20:
                    mapserv.sendall(whisper(nick, "You're my master! How should I serve you?"))
                    mapserv.sendall(whisper(nick, "You also have access to the following commands: !listusers, !setslots <slots> <name>, !setaccess <access level > <name>, !adduser <access level> <slot> <name>"))

        elif len(broken_string) == 2:
            if broken_string[1] == '!buy':
                mapserv.sendall(whisper(nick, "!buy <amount> <uid> - Request the purchase of an item or items."))
            elif broken_string[1] == '!list':
                mapserv.sendall(whisper(nick, "!list - Displays a list of all items for sale."))
            elif broken_string[1] == '!find':
                mapserv.sendall(whisper(nick, "!find <id> or <Item Name> - Simple search to locate an item."))
            elif broken_string[1] == '!add':
                mapserv.sendall(whisper(nick, "!add <amount> <price> <Item Name> - Add an item to the sell list (requires that you have an account)."))
            elif broken_string[1] == '!money':
                mapserv.sendall(whisper(nick, "!money - Allows you to collect money for any sales made on your behalf."))
            elif broken_string[1] == '!relist':
                mapserv.sendall(whisper(nick, "!relist <uid> - Allows you to relist an item which has expired."))
            elif broken_string[1] == '!info':
                mapserv.sendall(whisper(nick, "!info - Displays basic information about your account."))
            elif broken_string[1] == '!getback':
                mapserv.sendall(whisper(nick, "!getback <uid> - Allows you to retrieve an item that has expired or you no longer wish to sell."))
            elif broken_string[1] == '!lastseen':
                mapserv.sendall(whisper(nick, "!lastseen <nick> - Show when <nick> was online the last time."))
            elif broken_string[1] == '!mail':
                mapserv.sendall(whisper(nick, "!mail <nick> <message> - Send a message to <nick>."))
            elif broken_string[1] == '!irc':
                mapserv.sendall(whisper(nick, "!irc <on|off> - Enable/disable IRC mode."))
            elif user != -10:
                if int(user.get('accesslevel')) >= 10 and broken_string[1] == '!listusers':
                    mapserv.sendall(whisper(nick, "!listusers - Lists all users which have a special accesslevel, e.g. they are blocked, seller or admin"))
                elif int(user.get('accesslevel')) >= 10 and broken_string[1] == '!adduser':
                    mapserv.sendall(whisper(nick, "!adduser <access level> <slots> <name> - Add a user to the bot, a seller should be added with access level 5."))
                elif int(user.get('accesslevel')) == 20 and broken_string[1] == '!setslots':
                    mapserv.sendall(whisper(nick, "!setslots <slots> <name> - Sets the number of slots available to a given user."))
                elif int(user.get('accesslevel')) == 20 and broken_string[1] == '!setaccess':
                    mapserv.sendall(whisper(nick, "!setaccess <access level> <name> - Sets access level for the player: -1 is blocked, 5 is seller and 20 is admin" ))
    elif msg == "!money":
        # Trades any money earned through item sales.
        if user == -10:
            mapserv.sendall(whisper(nick, "You don't have the correct permissions."))
            return

        amount = int(user.get('money'))
        if amount == 0:
            mapserv.sendall(whisper(nick, "You have no money to collect."))
        else:
            if not trader_state.Trading.testandset():
                mapserv.sendall(whisper(nick, "I'm currently busy with a trade.  Try again shortly"))
                return

            trader_state.money = nick
            player_id = beingManager.findId(nick)
            if player_id != -10:
                mapserv.sendall(trade_request(player_id))
                trader_state.timer = time.time()
            else:
                mapserv.sendall(whisper(nick, "Where are you?!?  I can't trade with somebody who isn't here!"))
                trader_state.reset()

    elif broken_string[0] == "!find":
        # Returns a list of items, with the corresponding Item Id - !find <id> or <item name>.
        if len(broken_string) < 2:
            mapserv.sendall(whisper(nick, "Syntax incorrect."))
            return

        items_found = False
        item = " ".join(broken_string[1:]) # could be an id or an item name

        if item.isdigit(): # an id
            for elem in sale_tree.root:
                if ((time.time() - float(elem.get('add_time'))) < config.relist_time) \
                and int(elem.get("itemId")) == int(item): # Check if an items time is up.
                    msg = "[selling] [" + elem.get("uid") + "] " + elem.get("amount") + " [@@" + elem.get("itemId") + "|" \
                    + ItemDB.getItem(int(elem.get("itemId"))).name + "@@] for " + elem.get("price") + "gp each"
                    mapserv.sendall(whisper(nick, msg))
                    items_found = True
        else: # an item name
            for elem in sale_tree.root:
                if ((time.time() - float(elem.get('add_time'))) < config.relist_time) \
                and item.lower() in ItemDB.getItem(int(elem.get("itemId"))).name.lower(): # Check if an items time is up.
                    msg = "[selling] [" + elem.get("uid") + "] " + elem.get("amount") + " [@@" + elem.get("itemId") + "|" \
                    + ItemDB.getItem(int(elem.get("itemId"))).name + "@@] for " + elem.get("price") + "gp each"
                    mapserv.sendall(whisper(nick, msg))
                    items_found = True

        if not items_found:
            mapserv.sendall(whisper(nick, "Item not found."))

    elif msg == '!tradestate':
        # Admin command - return trade state.
        if user == -10:
            return

        if int(user.get("accesslevel")) != 20:
            mapserv.sendall(whisper(nick, "You don't have the correct permissions."))
            return

        if trader_state.Trading.test():
            mapserv.sendall(whisper(nick, "I'm busy with a trade."))
        else:
            mapserv.sendall(whisper(nick, "I'm free."))

    elif broken_string[0] == '!identify':
        if user == -10:
            mapserv.sendall(whisper(nick, "You don't have the correct permissions."))
            return
        elif len(broken_string) != 2:
            mapserv.sendall(whisper(nick, "Syntax incorrect."))
            return
        elif int(user.get("accesslevel")) < 10:
            mapserv.sendall(whisper(nick, "You don't have the correct permissions."))
            return

        if broken_string[1].isdigit():
            uid = int(broken_string[1])
            item_info = sale_tree.get_uid(uid)

            if item_info == -10:
                mapserv.sendall(whisper(nick, "Item not found. Please check the uid number and try again."))
                return

            weight = ItemDB.item_names[int(item_info.get('itemId'))].weight*int(item_info.get("amount"))

            mapserv.sendall(whisper(nick, "That item/s belongs to: "+item_info.get("name")))
            mapserv.sendall(whisper(nick, "The weight used is: "+str(weight)+"/"+str(player_node.MaxWEIGHT)))

    elif msg == '!listusers':
        # Admin command - shows a list of all user.
        if user == -10:
            return

        if int(user.get("accesslevel")) < 10:
            mapserv.sendall(whisper(nick, "You don't have the correct permissions."))
            return

        data = ''
        total_money = 0
        total_slots_reserved = 0
        total_slots_used = 0
        no_users = 0

        for user in user_tree.root:
            no_users += 1
            name = user.get('name')
            accesslevel = user.get('accesslevel')
            slots = user.get('stalls')
            total_slots_reserved += int(slots)
            used_slots = user.get('used_stalls')
            total_slots_used += int(used_slots)
            money = user.get('money')
            total_money += int(money)
            data += name+" ("+accesslevel+") "+used_slots+"/"+slots+" "+money+'gp, '
            # Format ManaMarket (20) 2/5 100000gp,

            if len(data) > 400:
                mapserv.sendall(whisper(nick, data[0:len(data)-2]+"."))
                data = ''

        if len(data) > 0:
            mapserv.sendall(whisper(nick, data[0:len(data)-2]+"."))

        mapserv.sendall(whisper(nick,"Number of users:"+str(no_users)+ ", Sale slots used: "+ \
        str(total_slots_used)+"/"+str(total_slots_reserved)+ ", Total Money: "+str(total_money)+\
        ", Char slots used: "+str(len(player_node.inventory))+", Weight Used: "+\
        str(player_node.WEIGHT)+"/"+str(player_node.MaxWEIGHT)))

    elif broken_string[0] == '!setslots':
        # Change the number of slots a user has - !setslots <slots> <name>
        if user == -10:
            return

        if int(user.get("accesslevel")) != 20:
            mapserv.sendall(whisper(nick, "You don't have the correct permissions."))
            return

        if len(broken_string) < 3:
            mapserv.sendall(whisper(nick, "Syntax incorrect."))
            return

        if broken_string[1].isdigit():
            slot = int(broken_string[1])
            name = " ".join(broken_string[2:])

            user_info = user_tree.get_user(name)

            if user_info == -10:
                mapserv.sendall(whisper(nick, "User not found, check and try again."))
                return

            user_tree.get_user(name).set('stalls', str(slot))
            mapserv.sendall(whisper(nick, "Slots changed: "+name+" "+str(slot)))
            tradey.saveData("User: "+name+", Slots changed: "+str(slot))
            user_tree.save()
        else:
            mapserv.sendall(whisper(nick, "Syntax incorrect."))

    elif broken_string[0] == '!setaccess':
        # Change someones access level - !setaccess <access level> <name>
        if user == -10:
            return

        if int(user.get("accesslevel")) != 20:
            mapserv.sendall(whisper(nick, "You don't have the correct permissions."))
            return

        if len(broken_string) < 3:
            mapserv.sendall(whisper(nick, "Syntax incorrect."))
            return

        if (broken_string[1][0] == '-' and broken_string[1][1:].isdigit()) or broken_string[1].isdigit():
            accesslevel = int(broken_string[1])
            name = " ".join(broken_string[2:])
            user_info = user_tree.get_user(name)

            if user_info == -10:
                mapserv.sendall(whisper(nick, "User not found, check and try again."))
                return

            if int(user_info.get('accesslevel')) < int(user.get("accesslevel")) and accesslevel <= int(user.get("accesslevel")):
                user_tree.get_user(name).set('accesslevel', str(accesslevel))
                mapserv.sendall(whisper(nick, "Access level changed:"+name+ " ("+str(accesslevel)+")."))
                user_tree.save()
                tradey.saveData("User: "+name+", Set Access Level: "+str(accesslevel))
            else:
                mapserv.sendall(whisper(nick, "You don't have the correct permissions."))
                return
        else:
            mapserv.sendall(whisper(nick, "Syntax incorrect."))


    elif broken_string[0] == "!adduser":
        # A command to give a user access to the bot - !adduser <access level> <stall> <player name>.
        if user == -10:
            return

        if int(user.get("accesslevel")) < 10:
            mapserv.sendall(whisper(nick, "You don't have the correct permissions."))
            return

        if len(broken_string) < 3:
            mapserv.sendall(whisper(nick, "Syntax incorrect."))
            return

        if broken_string[1].isdigit() and broken_string[2].isdigit():
            if int(broken_string[1]) > user.get("accesslevel"):
                mapserv.sendall(whisper(nick, "You can't give someone a higher accesslevel than your own."))
                return
            al = int(broken_string[1])
            stalls = int(broken_string[2])
            player_name = " ".join(broken_string[3:])
            pl_user = user_tree.get_user(player_name)
            if pl_user == -10:
                user_tree.add_user(player_name, stalls, al)
                mapserv.sendall(whisper(nick, "User Added with " + str(stalls) + " slots."))
                tradey.saveData("User Added: "+player_name+", Slots: "+str(stalls)+", Access Level: "+str(al))
            else:
                pl_user.set("accesslevel", str(al))
                pl_user.set("stalls", str(stalls))
                mapserv.sendall(whisper(nick, "User Added with " + str(stalls) + " slots."))
                tradey.saveData("User Added: "+player_name+", Slots: "+str(stalls)+", Access Level: "+str(al))
        else:
            mapserv.sendall(whisper(nick, "Syntax incorrect."))

    elif broken_string[0] == "!add":
        # Allows a player with the correct permissions to add an item for sale - !add <amount> <price> <item name>
        if user == -10:
            mapserv.sendall(whisper(nick, "You are unable to add items. Request access in [@@https://forums.themanaworld.org/viewtopic.php?f=14&t=14010|ManaMarket's forum thread@@]"))
            return

        if len(broken_string) < 3:
            mapserv.sendall(whisper(nick, "Syntax incorrect."))
            return

        if int(user.get("accesslevel")) < 5:
            mapserv.sendall(whisper(nick, "You are unable to add items."))
            return

        if int(user.get("used_stalls")) >= int(user.get("stalls")):
            mapserv.sendall(whisper(nick, "You have no free slots.  You may remove an item or wait for something to be sold."))
            return

        if broken_string[1].isdigit() and broken_string[2].isdigit():
            amount = int(broken_string[1])
            price = int(broken_string[2])
            item_name = " ".join(broken_string[3:])
            item_id = ItemDB.findId(item_name)

            weight = ItemDB.item_names[item_id].weight*amount

            if item_id == -10:
                mapserv.sendall(whisper(nick, "Item not found, check spelling."))
                return
            elif item_id in config.nosell:
                mapserv.sendall(whisper(nick, "That item can't be added to ManaMarket, as its too heavy."))
                return
            elif int(weight) + player_node.WEIGHT > player_node.MaxWEIGHT:
                mapserv.sendall(whisper(nick, "I've not got enough room left to carry those. Please try again later. "))
                return
            elif ItemDB.item_names[item_id].weight > 10 and amount > 150:
                mapserv.sendall(whisper(nick, "Sorry, as each of those items weighs more than 10g you can only add a maximum quantity of 150."))
                return

            if amount > 1 and ItemDB.getItem(item_id).type != 'equip-ammo' and 'equip' in ItemDB.getItem(item_id).type:
                mapserv.sendall(whisper(nick, "You can only add one piece of equipment per slot."))
                return
            elif price == 0 or price > 50000000:
                mapserv.sendall(whisper(nick, "Please use a valid price between 1-50000000gp."))
                return
            elif amount == 0:
                mapserv.sendall(whisper(nick, "You can't add 0 of an item."))
                return

            item = Item()
            item.player = nick
            item.get = 1 # 1 = get, 0 = give
            item.id = item_id
            item.amount = amount
            item.price = price

            if not trader_state.Trading.testandset():
                mapserv.sendall(whisper(nick, "I'm currently busy with a trade.  Try again shortly"))
                return

            trader_state.item = item
            player_id = beingManager.findId(nick)
            if player_id != -10:
                mapserv.sendall(trade_request(player_id))
                trader_state.timer = time.time()
            else:
                mapserv.sendall(whisper(nick, "Where are you?!?  I can't trade with somebody who isn't here!"))
                trader_state.reset()
        else:
            mapserv.sendall(whisper(nick, "Syntax incorrect."))

    elif broken_string[0] == "!buy":
        # Buy a given quantity of an item - !buy <amount> <uid>
        if len(broken_string) != 3:
            mapserv.sendall(whisper(nick, "Syntax incorrect."))
            return

        if broken_string[1].isdigit() and broken_string[2].isdigit():
            amount = int(broken_string[1])
            uid = int(broken_string[2])
            item_info = sale_tree.get_uid(uid)

            if item_info == -10:
                mapserv.sendall(whisper(nick, "Item not found.  Please check the uid number and try again."))
                return

            if amount > int(item_info.get("amount")):
                mapserv.sendall(whisper(nick, "I do not have that many."))
                return

            if item_info.get("name") == nick:
                mapserv.sendall(whisper(nick, "You can not buy your own items. To get back the item whisper me !getback "+broken_string[2]))
                return

            item = Item()
            item.get = 0 # 1 = get, 0 = give
            item.player = nick
            item.id = int(item_info.get("itemId"))
            item.uid = uid
            item.amount = amount
            item.price = int(item_info.get("price"))

            if not trader_state.Trading.testandset():
                mapserv.sendall(whisper(nick, "I'm currently busy with a trade.  Try again shortly"))
                return

            trader_state.item = item
            player_id = beingManager.findId(nick)
            if player_id != -10:
                mapserv.sendall(trade_request(player_id))
                trader_state.timer = time.time()
                mapserv.sendall(whisper(nick, "That will be " + str(item.price * item.amount) + "gp."))
            else:
                mapserv.sendall(whisper(nick, "Where are you?!?  I can't trade with somebody who isn't here!"))
                trader_state.reset()
        else:
            mapserv.sendall(whisper(nick, "Syntax incorrect."))

    elif broken_string[0] == "!removeuser":
        # Remove a user, for whatever reason - !removeuser <player name>
        if user == -10:
            return

        if len(broken_string) < 2:
            mapserv.sendall(whisper(nick, "Syntax incorrect."))
            return

        if int(user.get("accesslevel")) != 20:
            mapserv.sendall(whisper(nick, "You don't have the correct permissions."))
            return

        player_name = " ".join(broken_string[1:])
        check = user_tree.remove_user(player_name)
        if check == 1:
            mapserv.sendall(whisper(nick, "User Removed."))
            tradey.saveData("User Removed: "+player_name)
        elif check == -10:
            mapserv.sendall(whisper(nick, "User removal failed. Please check spelling."))

    elif broken_string[0] == "!relist":
        # Relist an item which has expired - !relist <uid>.
        if user == -10 or len(broken_string) != 2:
            mapserv.sendall(whisper(nick, "Syntax incorrect."))
            return

        if int(user.get("accesslevel")) < 5:
            mapserv.sendall(whisper(nick, "You don't have the correct permissions."))
            return

        if broken_string[1].isdigit():
            uid = int(broken_string[1])
            item_info = sale_tree.get_uid(uid)

            if item_info == -10:
                mapserv.sendall(whisper(nick, "Item not found.  Please check the uid number and try again."))
                return

            if item_info.get('name') != nick:
                mapserv.sendall(whisper(nick, "That doesn't belong to you!"))
                return

            time_relisted = int(item_info.get('relisted'))

            if int(item_info.get('relisted')) < 3:
                sale_tree.get_uid(uid).set('add_time', str(time.time()))
                sale_tree.get_uid(uid).set('relisted', str(time_relisted + 1))
                sale_tree.save()
                mapserv.sendall(whisper(nick, "The item has been successfully relisted."))
                user_tree.get_user(nick).set('last_use', str(time.time()))
                user_tree.save()
            else:
                mapserv.sendall(whisper(nick, "This item can no longer be relisted. Please collect it using !getback "+str(uid)+"."))
                return
        else:
            mapserv.sendall(whisper(nick, "Syntax incorrect."))

    elif broken_string[0] == "!getback":
        # Trade the player back uid, remove from sale_items if trade successful - !getback <uid>.
        if user == -10 or len(broken_string) != 2:
            mapserv.sendall(whisper(nick, "Syntax incorrect."))
            return

        if int(user.get("accesslevel")) < 5 and int(user.get("accesslevel")) > 0:
            mapserv.sendall(whisper(nick, "You don't have the correct permissions."))
            return

        if broken_string[1].isdigit():
            uid = int(broken_string[1])
            item_info = sale_tree.get_uid(uid)

            if item_info == -10:
                mapserv.sendall(whisper(nick, "Item not found.  Please check the uid number and try again."))
                return

            if item_info.get('name') != nick:
                mapserv.sendall(whisper(nick, "That doesn't belong to you!"))
                return

            item = Item()
            item.get = 0
            item.player = nick
            item.id = int(item_info.get("itemId"))
            item.uid = uid
            item.amount = int(item_info.get("amount"))
            item.price = 0

            if not trader_state.Trading.testandset():
                mapserv.sendall(whisper(nick, "I'm currently busy with a trade.  Try again shortly"))
                return

            trader_state.item = item
            player_id = beingManager.findId(nick)
            if player_id != -10:
                mapserv.sendall(trade_request(player_id))
                trader_state.timer = time.time()
            else:
                mapserv.sendall(whisper(nick, "Where are you?!?  I can't trade with somebody who isn't here!"))
                trader_state.reset()
    elif broken_string[0] == "!lastseen":
        who = msg[10:].strip()
        if len(who) == 0:
            mapserv.sendall(whisper(nick, "Usage: !lastseen <nick>"))
        else:
            ls_info = db_manager.get_lastseen_info(who)
            mapserv.sendall(whisper(nick, ls_info))
    elif broken_string[0] == "!mail":
        if user == -10:
            mapserv.sendall(whisper(nick, "Your current access level is 0. Request access in [@@https://forums.themanaworld.org/viewtopic.php?f=14&t=14010|ManaMarket's forum thread@@]"))
            return

        to_, msg_ = utils.parse_mail_cmdargs(msg[6:].strip())
        if to_ == "" or msg_ == "":
            mapserv.sendall(whisper(nick, "Usage: !mail <nick> <message> OR !mail \"nick with spaces\" <message>"))
        else:
            db_manager.send_mail(nick, to_, msg_)
            mapserv.sendall(whisper(nick, "Message to \"%s\" sent" % (to_)))

    elif broken_string[0] == "!irc":
        if len(broken_string) < 2:
            mapserv.sendall(whisper(nick, "Incorrect syntax."))
            return
        if broken_string[1] == "on":
            if user == -10:
                user_tree.add_user(nick, 0, 0)
                tradey.saveData("Stub User Added: "+nick+", Slots: 0, Access Level: 0")
                user = user_tree.get_user(nick)
            user.set("irc", "on")
            mapserv.sendall(whisper(nick, "IRC relay mode is now enabled. Reply to chat on IRC."))
        elif broken_string[1] == "off":
            if user != -10:
                user.set("irc", "off")
                if int(user.get("accesslevel")) == 0 and int(user.get("stalls")) == 0 and int(user.get("money")) == 0:
                    user_tree.remove_user(nick)
                    tradey.saveData("Stub User Removed: "+nick)
            mapserv.sendall(whisper(nick, "IRC relay mode is now disabled."))

    elif user != -10 and user.get("irc") == "on":
            if not ircbot.isAFK(msg): # if not an AFK message
                ircbot.send(nick, msg)
                db_manager.forEachOnline(broadcast_if_irc_on, nick, "TMW.%s: %s" % (nick, msg))
    else:
        response = chatbot.respond(msg)
        logger.info("Bot Response: "+response)
        mapserv.sendall(whisper(nick, response))
        #mapserv.sendall(whisper(nick, "Command not recognised, please whisper me !help for a full list of commands."))

def broadcast_from_irc(nick, msg):
    db_manager.forEachOnline(broadcast_if_irc_on, "IRC", u"IRC.%s: %s" % (nick, msg))

def broadcast_if_irc_on(pl, sender_nick, msg):
    if sender_nick == pl:
        return
    pl_user = user_tree.get_user(pl)
    if pl_user != -10 and pl_user.get("irc") == "on":
        mapserv.sendall(whisper(pl, msg.encode("utf-8", "ignore")))

def main():
    # Use rotating log files.
    log_handler = logging.handlers.RotatingFileHandler('data/logs/activity.log', maxBytes=1048576*3, backupCount=5)
    logger.setLevel(logging.INFO)
    formatter = logging.Formatter('%(asctime)s: %(message)s', datefmt='%Y-%m-%d %H:%M:%S')
    log_handler.setFormatter(formatter)
    logger.addHandler(log_handler)

    logger.info("Bot Started.")

    account = config.account
    password = config.password
    character = config.character

    login = socket.socket()
    login.connect((config.server, config.port))
    logger.info("Login connected")

    login_packet = PacketOut(0x0064)
    login_packet.write_int32(6) # <= CLIENT VERSION
    login_packet.write_string(account, 24)
    login_packet.write_string(password, 24)
    login_packet.write_int8(0x03); # <= FLAGS
    login.sendall(str(login_packet))

    pb = PacketBuffer()
    id1 = accid = id2 = 0
    charip = ""
    charport = 0
    # Login server packet loop.
    while True:
        data = login.recv(1500)
        if not data:
            break
        pb.feed(data)
        for packet in pb:
            if packet.is_type(SMSG_LOGIN_DATA): # login succeeded
                packet.skip(2)
                id1 = packet.read_int32()
                accid = packet.read_int32()
                id2 = packet.read_int32()
                packet.skip(30)
                player_node.sex = packet.read_int8()
                charip = utils.parse_ip(packet.read_int32())
                charport = packet.read_int16()
                login.close()
                break
        if charip:
            break

    assert charport

    if charip == "127.0.0.1" and config.server != "127.0.0.1":
        charip = config.server

    char = socket.socket()
    char.connect((charip, charport))
    logger.info("Char connected")
    char_serv_packet = PacketOut(CMSG_CHAR_SERVER_CONNECT)
    char_serv_packet.write_int32(accid)
    char_serv_packet.write_int32(id1)
    char_serv_packet.write_int32(id2)
    char_serv_packet.write_int16(1) # this should match MIN_CLIENT_VERSION in tmwa/src/char/char.hpp
    char_serv_packet.write_int8(player_node.sex)
    char.sendall(str(char_serv_packet))
    char.recv(4)

    pb = PacketBuffer()
    mapip = ""
    mapport = 0
    # Character Server Packet loop.
    while True:
        data = char.recv(1500)
        if not data:
            break
        pb.feed(data)
        for packet in pb:
            if packet.is_type(SMSG_CHAR_LOGIN):
                packet.skip(2)
                slots = packet.read_int16()
                packet.skip(18)
                count = (len(packet.data)-22) / 106
                for i in range(count):
                    player_node.id = packet.read_int32()
                    player_node.EXP = packet.read_int32()
                    player_node.MONEY = packet.read_int32()
                    packet.skip(62)
                    player_node.name = packet.read_string(24)
                    packet.skip(6)
                    slot = packet.read_int8()
                    packet.skip(1)
                    logger.info("Character information recieved:")
                    logger.info("Name: %s, Id: %s, EXP: %s, MONEY: %s", \
                    player_node.name, player_node.id, player_node.EXP, player_node.MONEY)
                    if slot == character:
                        break

                char_select_packet = PacketOut(CMSG_CHAR_SELECT)
                char_select_packet.write_int8(character)
                char.sendall(str(char_select_packet))

            elif packet.is_type(SMSG_CHAR_MAP_INFO):
                player_node.id = packet.read_int32()
                player_node.map = packet.read_string(16)
                mapip = utils.parse_ip(packet.read_int32())
                mapport = packet.read_int16()
                char.close()
                break
        if mapip:
            break

    assert mapport

    if mapip == "127.0.0.1" and charip != "127.0.0.1":
        mapip = charip

    beingManager.container[player_node.id] = Being(player_node.id, 42)
    global mapserv
    mapserv = socket.socket()
    mapserv.connect((mapip, mapport))
    logger.info("Map connected")
    mapserv_login_packet = PacketOut(CMSG_MAP_SERVER_CONNECT)
    mapserv_login_packet.write_int32(accid)
    mapserv_login_packet.write_int32(player_node.id)
    mapserv_login_packet.write_int32(id1)
    mapserv_login_packet.write_int32(id2)
    mapserv_login_packet.write_int8(player_node.sex)
    mapserv.sendall(str(mapserv_login_packet))
    mapserv.recv(4)

    pb = PacketBuffer()
    shop_broadcaster.mapserv = mapserv
    db_manager.mapserv = mapserv
    db_manager.start()
    ircbot.broadcastFunc = broadcast_from_irc
    ircbot.start()

    # Functionality for systemd watchdog keepalives
    last_notify = None
    def notify_systemd():
        global last_sd_notify
        sd.notify("WATCHDOG=1")
        last_sd_notify = time.time()
        return True
    notify_systemd()

    # Map server packet loop
    print "Entering map packet loop\n";
    while True:
        data = mapserv.recv(2048)
        if not data:
            break
        pb.feed(data)

        # If it's been more than five seconds since we last notified systemd that we're still alive, do so now.
        if time.time() - last_notify > sd_min_keepalive_rate:
            notify_systemd()

        # For unfinished trades - one way to distrupt service would be leaving a trade active.
        if trader_state.Trading.test():
            if time.time() - trader_state.timer > 2*60:
                logger.info("Trade Cancelled - Timeout.")
                trader_state.timer = time.time()
                mapserv.sendall(str(PacketOut(CMSG_TRADE_CANCEL_REQUEST)))

        for packet in pb:
            if packet.is_type(SMSG_MAP_LOGIN_SUCCESS): # connected
                logger.info("Map login success.")
                packet.skip(4)
                coord_data = packet.read_coord_dir()
                player_node.x = coord_data[0]
                player_node.y = coord_data[1]
                player_node.direction = coord_data[2]
                logger.info("Starting Postion: %s %s %s", player_node.map, player_node.x, player_node.y)
                mapserv.sendall(str(PacketOut(CMSG_MAP_LOADED))) # map loaded
                # A Thread to send a shop broadcast: also keeps the network active to prevent timeouts.
                shop_broadcaster.start()

            elif packet.is_type(SMSG_PVP_SET):
                packet.skip(12)

            elif packet.is_type(SMSG_PVP_MAP_MODE):
                packet.skip(2)

            elif packet.is_type(SMSG_QUEST_SET_VAR):
                packet.skip(6)

            elif packet.is_type(SMSG_QUEST_PLAYER_VARS):
                nb = (packet.read_int16() - 4) / 6
                for loop in range(nb):
                    packet.skip(6)

            elif packet.is_type(SMSG_NPC_COMMAND):
                packet.skip(14)

            elif packet.is_type(SMSG_BEING_MOVE3):
                nb = (packet.read_int16() - 14) / 1
                packet.skip(10)
                for loop in range(nb):
                    packet.skip(1)

            elif packet.is_type(SMSG_MAP_MASK):
                packet.skip(8)

            elif packet.is_type(SMSG_MAP_MUSIC):
                nb = (packet.read_int16() - 4) / 1
                for loop in range(nb):
                    packet.skip(1)

            elif packet.is_type(SMSG_NPC_CHANGETITLE):
                nb = (packet.read_int16() - 10) / 1
                packet.skip(6)
                for loop in range(nb):
                    packet.skip(1)

            elif packet.is_type(SMSG_SCRIPT_MESSAGE):
                nb = (packet.read_int16() - 5) / 1
                packet.skip(1)
                for loop in range(nb):
                    packet.skip(1)

            elif packet.is_type(SMSG_PLAYER_CLIENT_COMMAND):
                nb = (packet.read_int16() - 4) / 1
                for loop in range(nb):
                    packet.skip(1)

            elif packet.is_type(SMSG_MAP_SET_TILES_TYPE):
                packet.skip(32)

            elif packet.is_type(SMSG_PLAYER_HP):
                packet.skip(8)

            elif packet.is_type(SMSG_PLAYER_HP_FULL):
                packet.skip(12)

            elif packet.is_type(SMSG_WHISPER):
                msg_len = packet.read_int16() - 26
                nick = packet.read_string(24)
                message = packet.read_raw_string(msg_len)
                # Clean up the logs.
                if nick != 'AuctionBot':
                    logger.info("Whisper: " + nick + ": " + message)
                process_whisper(nick, utils.remove_colors(message), mapserv)

            elif packet.is_type(SMSG_PLAYER_STAT_UPDATE_1):
                stat_type = packet.read_int16()
                value = packet.read_int32()
                if stat_type == 0x0018:
                    logger.info("Weight changed from %s/%s to %s/%s", \
                    player_node.WEIGHT, player_node.MaxWEIGHT, value, player_node.MaxWEIGHT)
                    player_node.WEIGHT = value
                elif stat_type == 0x0019:
                    logger.info("Max Weight: %s", value)
                    player_node.MaxWEIGHT = value

            elif packet.is_type(SMSG_PLAYER_STAT_UPDATE_2):
                stat_type = packet.read_int16()
                value = packet.read_int32()
                if stat_type == 0x0014:
                    logger.info("Money Changed from %s, to %s", player_node.MONEY, value)
                    player_node.MONEY = value

            elif packet.is_type(SMSG_BEING_MOVE) or packet.is_type(SMSG_BEING_VISIBLE)\
            or packet.is_type(SMSG_PLAYER_MOVE) or packet.is_type(SMSG_PLAYER_UPDATE_1)\
            or packet.is_type(SMSG_PLAYER_UPDATE_2):
                being_id = packet.read_int32()
                packet.skip(8)
                job = packet.read_int16()
                if being_id not in beingManager.container:
                    if job == 0 and id >= 110000000 and (packet.is_type(SMSG_BEING_MOVE)\
                                                         or packet.is_type(SMSG_BEING_VISIBLE)):
                        continue
                    # Add the being to the BeingManager, and request name.
                    beingManager.container[being_id] = Being(being_id, job)
                    requestName = PacketOut(0x0094)
                    requestName.write_int32(being_id)
                    mapserv.sendall(str(requestName))

            elif packet.is_type(SMSG_BEING_NAME_RESPONSE):
                being_id = packet.read_int32()
                if being_id in beingManager.container:
                    beingManager.container[being_id].name = packet.read_string(24)

            elif packet.is_type(SMSG_BEING_REMOVE):
                being_id = packet.read_int32()
                if being_id in beingManager.container:
                    del beingManager.container[being_id]

            elif packet.is_type(SMSG_PLAYER_WARP):
                player_node.map = packet.read_string(16)
                player_node.x = packet.read_int16()
                player_node.y = packet.read_int16()
                logger.info("Player warped: %s %s %s", player_node.map, player_node.x, player_node.y)
                mapserv.sendall(str(PacketOut(CMSG_MAP_LOADED)))

            elif packet.is_type(SMSG_PLAYER_INVENTORY_ADD):
                item = Item()
                item.index = packet.read_int16() - inventory_offset
                item.amount = packet.read_int16()
                item.itemId = packet.read_int16()
                packet.skip(14)
                err = packet.read_int8()

                if err == 0:
                    if item.index in player_node.inventory:
                        player_node.inventory[item.index].amount += item.amount
                    else:
                        player_node.inventory[item.index] = item

                    logger.info("Picked up: %s, Amount: %s, Index: %s", ItemDB.getItem(item.itemId).name, str(item.amount), str(item.index))

            elif packet.is_type(SMSG_PLAYER_INVENTORY_REMOVE):
                index = packet.read_int16() - inventory_offset
                amount = packet.read_int16()

                logger.info("Remove item: %s, Amount: %s, Index: %s", ItemDB.getItem(player_node.inventory[index].itemId).name, str(amount), str(index))
                player_node.remove_item(index, amount)

            elif packet.is_type(SMSG_PLAYER_INVENTORY):
                player_node.inventory.clear() # Clear the inventory - incase of new index.
                packet.skip(2)
                number = (len(packet.data)-2) / 18
                for loop in range(number):
                    item = Item()
                    item.index = packet.read_int16() - inventory_offset
                    item.itemId = packet.read_int16()
                    packet.skip(2)
                    item.amount = packet.read_int16()
                    packet.skip(10)
                    player_node.inventory[item.index] = item

            elif packet.is_type(SMSG_PLAYER_EQUIPMENT):
                packet.read_int16()
                number = (len(packet.data)) / 20
                for loop in range(number):
                    item = Item()
                    item.index = packet.read_int16() - inventory_offset
                    item.itemId = packet.read_int16()
                    packet.skip(16)
                    item.amount = 1
                    player_node.inventory[item.index] = item

                logger.info("Inventory information received:")
                for item in player_node.inventory:
                    logger.info("Name: %s, Id: %s, Index: %s, Amount: %s.", \
                    ItemDB.getItem(player_node.inventory[item].itemId).name, \
                    player_node.inventory[item].itemId, item, player_node.inventory[item].amount)

                errorOccured = player_node.check_inventory(user_tree, sale_tree)
                if errorOccured:
                    logger.info(errorOccured)
                    shop_broadcaster.stop()
                    sys.exit(1)
                else:
                    logger.info("Inventory Check Passed.")

            elif packet.is_type(SMSG_TRADE_REQUEST):
                name = packet.read_string(24)
                logger.info("Trade request: " + name)
                mapserv.sendall(trade_respond(False))

            elif packet.is_type(SMSG_TRADE_RESPONSE):
                response = packet.read_int8()
                time.sleep(0.2)
                if response == 0:
                    logger.info("Trade response: Too far away.")
                    if trader_state.item:
                        mapserv.sendall(whisper(trader_state.item.player, "You are too far away."))
                    elif trader_state.money:
                        mapserv.sendall(whisper(trader_state.money, "You are too far away."))
                    trader_state.reset()

                elif response == 3:
                    logger.info("Trade response: Trade accepted.")
                    if trader_state.item:
                        if trader_state.item.get == 1: # add
                            mapserv.sendall(str(PacketOut(CMSG_TRADE_ADD_COMPLETE)))
                        elif trader_state.item.get == 0: # buy
                            if player_node.find_inventory_index(trader_state.item.id) != -10:
                                mapserv.sendall(trade_add_item(player_node.find_inventory_index(trader_state.item.id), trader_state.item.amount))
                                mapserv.sendall(str(PacketOut(CMSG_TRADE_ADD_COMPLETE)))
                                if trader_state.item.price == 0: # getback
                                    mapserv.sendall(str(PacketOut(CMSG_TRADE_OK)))
                                    trader_state.complete = 1
                            else:
                                mapserv.sendall(str(PacketOut(CMSG_TRADE_CANCEL_REQUEST)))
                                logger.info("Trade response: Trade accepted (buy) - the item could not be added.")
                                mapserv.sendall(whisper(trader_state.item.player, "Sorry, a problem has occured."))

                    elif trader_state.money: # money
                        amount = int(user_tree.get_user(trader_state.money).get('money'))
                        mapserv.sendall(trade_add_item(0-inventory_offset, amount))
                        mapserv.sendall(str(PacketOut(CMSG_TRADE_ADD_COMPLETE)))
                        mapserv.sendall(str(PacketOut(CMSG_TRADE_OK)))

                else:
                    logger.info("Trade response: Trade cancelled")
                    trader_state.reset()

            elif packet.is_type(SMSG_TRADE_ITEM_ADD):
                amount = packet.read_int32()
                item_id = packet.read_int16()
                if trader_state.item and trader_state.money == 0:
                    if  trader_state.item.get == 1: # add
                        if amount == trader_state.item.amount and item_id == trader_state.item.id:
                            trader_state.complete = 1
                            mapserv.sendall(str(PacketOut(CMSG_TRADE_OK)))
                        elif item_id == 0 and amount > 0:
                            mapserv.sendall(whisper(trader_state.item.player, "Why are you adding money?!?!"))
                            mapserv.sendall(str(PacketOut(CMSG_TRADE_CANCEL_REQUEST)))
                        else:
                            mapserv.sendall(whisper(trader_state.item.player, "Please check the correct item or quantity has been added."))
                            mapserv.sendall(str(PacketOut(CMSG_TRADE_CANCEL_REQUEST)))

                    elif trader_state.item.get == 0: # buy
                        if item_id == 0 and amount == trader_state.item.price * trader_state.item.amount:
                            mapserv.sendall(str(PacketOut(CMSG_TRADE_OK)))
                            trader_state.complete = 1
                        elif item_id == 0 and amount != trader_state.item.price * trader_state.item.amount:
                            trader_state.complete = 0
                        else:
                            mapserv.sendall(whisper(trader_state.item.player, "Don't give me your itenz."))
                            mapserv.sendall(str(PacketOut(CMSG_TRADE_CANCEL_REQUEST)))

                elif trader_state.money: # money
                    mapserv.sendall(whisper(trader_state.money, "Don't give me your itenz."))
                    mapserv.sendall(str(PacketOut(CMSG_TRADE_CANCEL_REQUEST)))

                logger.info("Trade item add: ItemId:%s Amount:%s", item_id, amount)
                # Note item_id = 0 is money

            elif packet.is_type(SMSG_TRADE_ITEM_ADD_RESPONSE):
                index = packet.read_int16() - inventory_offset
                amount = packet.read_int16()
                response = packet.read_int8()

                if response == 0:
                    logger.info("Trade item add response: Successfully added item.")
                    if trader_state.item:
                        if trader_state.item.get == 0 and index != 0-inventory_offset: # Make sure the correct item is given!
                            # index & amount are Always 0
                            if player_node.inventory[index].itemId != trader_state.item.id or \
                                amount != trader_state.item.amount:
                                logger.info("Index: %s" % index)
                                logger.info("P.ItemId: %s" % player_node.inventory[index].itemId)
                                logger.info("T.ItemId: %s" % trader_state.item.id)
                                logger.info("P.Amount: %s" % amount)
                                logger.info("T.Amount: %s" % trader_state.item.amount)
                                #mapserv.sendall(str(PacketOut(CMSG_TRADE_CANCEL_REQUEST)))

                    # If Trade item add successful - Remove the item from the inventory state.
                    if index != 0: # If it's not money
                        logger.info("Remove item: %s, Amount: %s, Index: %s", ItemDB.getItem(player_node.inventory[index].itemId).name, str(amount),str(index))
                        player_node.remove_item(index, amount)
                    else:
                        # The money amount isn't actually sent by the server - odd?!?!?.
                        if trader_state.money:
                            logger.info("Trade: Money Added.")
                            trader_state.complete = 1

                elif response == 1:
                    logger.info("Trade item add response: Failed - player overweight.")
                    mapserv.sendall(str(PacketOut(CMSG_TRADE_CANCEL_REQUEST)))
                    if trader_state.item:
                        mapserv.sendall(whisper(trader_state.item.player, "You are carrying too much weight. Unload and try again."))
                elif response == 2:
                    if trader_state.item:
                        mapserv.sendall(whisper(trader_state.item.player, "You have no free slots."))
                    logger.info("Trade item add response: Failed - No free slots.")
                    mapserv.sendall(str(PacketOut(CMSG_TRADE_CANCEL_REQUEST)))
                else:
                    logger.info("Trade item add response: Failed - unknown reason.")
                    mapserv.sendall(str(PacketOut(CMSG_TRADE_CANCEL_REQUEST)))
                    if trader_state.item:
                        mapserv.sendall(whisper(trader_state.item.player, "Sorry, a problem has occured."))

            elif packet.is_type(SMSG_TRADE_OK):
                is_ok = packet.read_int8() # 0 is ok from self, and 1 is ok from other
                if is_ok == 0:
                    logger.info("Trade OK: Self.")
                else:
                    if trader_state.complete:
                        mapserv.sendall(str(PacketOut(CMSG_TRADE_OK)))
                    else:
                        mapserv.sendall(str(PacketOut(CMSG_TRADE_CANCEL_REQUEST)))
                        if trader_state.item:
                            mapserv.sendall(whisper(trader_state.item.player, "Trade Cancelled: Please check the traded items or money."))

                    logger.info("Trade Ok: Partner.")

            elif packet.is_type(SMSG_TRADE_CANCEL):
                trader_state.reset()
                logger.info("Trade Cancel.")

            elif packet.is_type(SMSG_TRADE_COMPLETE):
                commitMessage=""
                # The sale_tree is only ammended after a complete trade packet.
                if trader_state.item and trader_state.money == 0:
                    if trader_state.item.get == 1: # !add
                        sale_tree.add_item(trader_state.item.player, trader_state.item.id, trader_state.item.amount, trader_state.item.price)
                        user_tree.get_user(trader_state.item.player).set('used_stalls', \
                            str(int(user_tree.get_user(trader_state.item.player).get('used_stalls')) + 1))
                        user_tree.get_user(trader_state.item.player).set('last_use', str(time.time()))
                        commitMessage = "Add"

                    elif trader_state.item.get == 0: # !buy \ !getback
                        seller = sale_tree.get_uid(trader_state.item.uid).get('name')
                        item = sale_tree.get_uid(trader_state.item.uid)
                        current_amount = int(item.get("amount"))
                        sale_tree.get_uid(trader_state.item.uid).set("amount", str(current_amount - trader_state.item.amount))
                        if int(item.get("amount")) == 0:
                            user_tree.get_user(sale_tree.get_uid(trader_state.item.uid).get('name')).set('used_stalls', \
                                str(int(user_tree.get_user(sale_tree.get_uid(trader_state.item.uid).get('name')).get('used_stalls'))-1))
                            sale_tree.remove_item_uid(trader_state.item.uid)

                        current_money = int(user_tree.get_user(seller).get("money"))
                        user_tree.get_user(seller).set("money", str(current_money + trader_state.item.price * trader_state.item.amount))

                        if trader_state.item.price * trader_state.item.amount != 0:
                            ItemLog.add_item(int(item.get('itemId')), trader_state.item.amount, trader_state.item.price * trader_state.item.amount, item.get('name'))
                        commitMessage = "Buy or Getback"

                elif trader_state.money and trader_state.item == 0: # !money
                    user_tree.get_user(trader_state.money).set('money', str(0))
                    commitMessage = "Money"

                sale_tree.save()
                user_tree.save()
                tradey.saveData(commitMessage)

                trader_state.reset()
                logger.info("Trade Complete.")

                errorOccured = player_node.check_inventory(user_tree, sale_tree)
                if errorOccured:
                    logger.info(errorOccured)
                    shop_broadcaster.stop()
                    sys.exit(1)
            else:
                pass

    # On Disconnect/Exit
    logger.info("Server disconnect.")
    db_manager.stop()
    shop_broadcaster.stop()
    mapserv.close()

if __name__ == '__main__':
    main()