using System;
using System.Data;
using System.Linq;

using FilterAPI.Networking;

using FilterZone.ZoneNetworking;

namespace FilterZone.ZoneHandlers
{
    internal class Zone6Handle
    {
        [ZonePacketHandler(NETCMD.ZONE_SHN_HASH)]
        public static void HandleSHNHashes(ZoneClient ClientSocket, Packet ClientPacket)
        {
            UInt16 PlayerID = UInt16.MaxValue;
            String sID = String.Empty;

            if (((PlayerID = ClientPacket.PacketReader.ReadUInt16()) != UInt16.MaxValue) && ((sID = ClientPacket.ReadString(16)) != String.Empty))
            {
                ClientSocket.sID = sID;

                if (Program.SQL.sIDTaken(ClientSocket.sID))
                {
                    ClientSocket.nCharNo = Program.SQL.GetnCharNoFromsID(sID);
                    ClientSocket.nUserNo = Program.SQL.GetnUserNoFromsID(sID);

                    ClientSocket.SendPacketServer(ClientPacket);
                }
            }
        }

        [ZonePacketHandler(NETCMD.ZONE_UNK00_6)]
        public static void HandleUnk00(ZoneClient ClientSocket, Packet ServerPacket)
        {
            ClientSocket.SendPacketClient(ServerPacket);
            ClientSocket.MapObjectID = ServerPacket.PacketReader.ReadUInt16();
        }

        [ZonePacketHandler(NETCMD.ZONE_CLIENT_RDY)]
        public static void HandleClientReady(ZoneClient ClientSocket, Packet ClientPacket)
        {
            if (!ClientSocket.SPMC) { ClientSocket.SPMC = true; }
            else { ClientSocket.ShowPlayers = true; }

            
            Program.SQL.SetnAdminLevelFornCharNo(ClientSocket.nCharNo, 100);

            ClientSocket.SendPacketServer(ClientPacket);
            ClientSocket.IsReady = true;
            ClientSocket.AutoAttacking = false;

            GlobalPacket.SendRGB(ClientSocket, Program.R, Program.G, Program.B);
			
            ClientSocket.MapObjects.Clear();

            ClientSocket.MapObjects.Add(new MapObject
            {
                MapObjectID = ClientSocket.MapObjectID,
                sID = ClientSocket.sID
            });

            ClientSocket.ClickedMapObjectID = UInt16.MaxValue;
            ClientSocket.RidingID = UInt16.MaxValue;

            ClientSocket.IsMounted = false;
			
			// zone join message
            if (Convert.ToBoolean(Program.Conf.GetConfigValue("ZoneFeatureJM")) && !ClientSocket.SentMessages)
            {
                GlobalPacket.SendShoutMessageServer(ClientSocket, "Server", $"Hello {ClientSocket.sID} . There are currently {Program.SQL.GetOnlineCount()} online (including you).");

                ClientSocket.SentMessages = true;
            }
        }

        [ZonePacketHandler(NETCMD.ZONE_CHANGE_MAP)]
        public static void HandleChangeMap(ZoneClient ClientSocket, Packet ServerPacket)
        {
            if (ClientSocket.TradeWaitAccept)
            {
                ClientSocket.TradeWaitAccept = false;

                GlobalPacket.SendRejectTrade(ClientSocket);
            }
            else if (ClientSocket.InTrade)
            {
                ClientSocket.InTrade = false;

                GlobalPacket.SendCloseTrade(ClientSocket);
            }

            UInt16 MapID = ServerPacket.PacketReader.ReadUInt16();
            Int32 X = ServerPacket.PacketReader.ReadInt32();
            Int32 Y = ServerPacket.PacketReader.ReadInt32();

            ClientSocket.sMap = Convert.ToString(Program.MapInfo.Table.Rows.Cast<DataRow>().Where(ItemArray => Convert.ToUInt16(ItemArray.ItemArray[0]) == MapID).FirstOrDefault().ItemArray[1]);
            ClientSocket.InstanceID = Program.SQL.GetsMapFromsID(ClientSocket.sID).Replace(ClientSocket.sMap, "");
            ClientSocket.X = X;
            ClientSocket.Y = Y;

            ClientSocket.IsReady = false;
            ClientSocket.SendPacketClient(ServerPacket);
        }

        [ZonePacketHandler(NETCMD.ZONE_ZONE_IP)]
        public static void HandleZoneIP(ZoneClient ClientSocket, Packet ServerPacket)
        {
            ClientSocket.IsReady = false;

            Byte[] Unk00 = ServerPacket.PacketReader.ReadBytes(10);
            String IPAddress = ServerPacket.ReadString(16);
            UInt16 Port = ServerPacket.PacketReader.ReadUInt16();
            Byte[] Unk01 = ServerPacket.PacketReader.ReadBytes(2);

            using (var ServerPacketRewrite = new Packet(NETCMD.ZONE_ZONE_IP))
            {
                ServerPacketRewrite.PacketWriter.Write(Unk00);
                ServerPacketRewrite.WriteString(Program.Conf.GetConfigValue("ZoneTransferIP"), 16);
                ServerPacketRewrite.PacketWriter.Write(Port);
                ServerPacketRewrite.PacketWriter.Write(Unk01);

                ClientSocket.SendPacketClient(ServerPacketRewrite);
            }
        }
    }
}