using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using System.Collections;

namespace Chop.Game.Moderation
{
    public class CryForHelpManager
    {
        private Hashtable mMessages;
        private Thread Cleaner;

        public CryForHelpManager()
        {
            mMessages = new Hashtable();
        }
        public void Init()
        {
            Cleaner = new Thread(new ThreadStart(deleteSolvedCFHs));
            Cleaner.Start();
        }

        public CryForHelp GetMessage(string pUsername)
        {
            lock (mMessages)
            {
                foreach (CryForHelp message in mMessages.Values)
                    if (message.Username == pUsername && message.PickedUp == false)
                        return message;
                return null;
            }
        }
        public CryForHelp GetMessage(int pID)
        {
            lock (mMessages)
            {
                foreach (CryForHelp message in mMessages.Values)
                    if (message.ID == pID)
                        return message;
                return null;
            }
        }

        public void DeleteMessage(int pID)
        {
            // we need to make a clone so we don't get any errors
            Hashtable copy = (Hashtable)mMessages.Clone();

            foreach (CryForHelp message in copy.Values)
                if (message.ID == pID)
                {
                    ResponseBuilder Message = new ResponseBuilder(273); // "DQ": [[#hobba_handler, #handle_delete_cry]]
                    Message.AppendWired(pID);
                    Message.AppendChar(2);
                    Core.ClientManager.SendMessage(Message, "fuse_receive_calls_for_help");

                    mMessages.Remove(pID);
                }
        }

        public void AddMessage(string Username, string IP, string Message, int RoomID, string RoomName)
        {
            int ID = getFreeID();
            mMessages.Add(ID, new CryForHelp(ID, Username, IP, Message, RoomID, RoomName));
        }

        public void SendReply(int messageID, string message)
        {
            CryForHelp CFH = GetMessage(messageID);

            if (CFH != null && Core.ClientManager.GetClientByHabbo(CFH.Username) != null)
            {
                ResponseBuilder Message = new ResponseBuilder(274); // "DR"
                Message.AppendString(message);

                Core.ClientManager.GetClientByHabbo(CFH.Username).SendMessage(Message);
            }
        }

        public void PickupMessage(int messageID)
        {
            CryForHelp message = GetMessage(messageID);

            message.PickedUp = true;
            message.Picked = DateTime.Now;
        }

        private int getFreeID()
        {
            int i = 0;
            while (mMessages.ContainsKey(i))
                i++;

            return i;
        }
        private void deleteSolvedCFHs()
        {
            while (true)
            {
                // we need to make a clone so we don't get any errors
                Hashtable copy = (Hashtable)mMessages.Clone();

                foreach (CryForHelp Message in copy.Values)
                {
                    if (Message.PickedUp && (Message.Picked - DateTime.Now).Minutes >= 5) // Give the moderator 5 minutes to handle the message before it is deleted. TODO: Deletion time configureable in database?
                        DeleteMessage(Message.ID);
                }
                Thread.Sleep(10000); // check every 10 secs
            }
        }
    }
}