using System;

using OXGaming.TibiaAPI.Constants;

using OXGaming.TibiaAPI.Utilities;

namespace OXGaming.TibiaAPI.Network.ServerPackets

{

public class DeleteOnMap : ServerPacket

{

public Position Position { get; set; }

public uint CreatureId { get; set; }

public byte StackPosition { get; set; }

public DeleteOnMap(Client client)

{

Client = client;

PacketType = ServerPacketType.DeleteOnMap;

}

public override void ParseFromNetworkMessage(NetworkMessage message)

{

var x = message.ReadUInt16();

if (x != ushort.MaxValue)

{

Position = message.ReadPosition(x);

if (!Client.WorldMapStorage.IsVisible(Position.X, Position.Y, Position.Z, true))

{

throw new Exception($"[DeleteOnMap.ParseFromNetworkMessage] Co-ordinate {Position} is out of range.");

}

var mapPosition = Client.WorldMapStorage.ToMap(Position);

StackPosition = message.ReadByte();

var existingObject = Client.WorldMapStorage.GetObject(mapPosition.X, mapPosition.Y, mapPosition.Z, StackPosition);

if (existingObject == null)

{

throw new Exception("[DeleteOnMap.ParseFromNetworkMessage] Object not found.");

}

var existingCreature = Client.CreatureStorage.GetCreature(existingObject.Data);

if (existingCreature == null && existingObject.Id == (uint)CreatureInstanceType.Creature)

{

throw new Exception($"[DeleteOnMap.ParseFromNetworkMessage] Creature not found: {existingObject.Data}");

}

Client.WorldMapStorage.DeleteObject(mapPosition.X, mapPosition.Y, mapPosition.Z, StackPosition);

}

else

{

CreatureId = message.ReadUInt32();

var existingCreature = Client.CreatureStorage.GetCreature(CreatureId);

if (existingCreature == null)

{

throw new Exception($"[DeleteOnMap.ParseFromNetworkMessage] Creature not found: {CreatureId}");

}

var creaturePosition = existingCreature.Position;

if (!Client.WorldMapStorage.IsVisible(creaturePosition.X, creaturePosition.Y, creaturePosition.Z, true))

{

throw new Exception($"[DeleteOnMap.ParseFromNetworkMessage] Co-ordinate {creaturePosition} is out of range.");

}

}

}

public override void AppendToNetworkMessage(NetworkMessage message)

{

message.Write((byte)ServerPacketType.DeleteOnMap);

if (Position.X != ushort.MaxValue)

{

message.Write(Position);

message.Write(StackPosition);

}

else

{

message.Write(ushort.MaxValue);

message.Write(CreatureId);

}

}

}

}