using Google.Protobuf;
using RPG.Network.Proto;
using RPG.Services.Core.Network;
using RPG.Services.Core.Network.Command;

namespace RPG.Services.Core.Session;
public abstract class RPGSession : IDisposable
{
    private readonly ServiceBox _serviceBox;

    public ulong SessionId { get; }
    public uint PlayerUid { get; set; }

    public RPGSession(ulong sessionId, ServiceBox serviceBox)
    {
        SessionId = sessionId;
        _serviceBox = serviceBox;
    }

    public void SendToService<TBody>(RPGServiceType target, ServiceCommandType commandType, TBody body) where TBody : IMessage<TBody>
    {
        ServiceCommand command = new(_serviceBox.CurrentType, commandType, body.ToByteArray());

        byte[] commandBuffer = GC.AllocateUninitializedArray<byte>(7 + command.Body.Length);
        ServiceCommandEncoder.EncodeCommand(command, commandBuffer);

        _serviceBox.SendToService(target, commandBuffer);
    }

    public void BindService(RPGServiceType service)
    {
        SendToService(service, ServiceCommandType.BindContainer, new CmdBindContainer
        {
            SessionId = SessionId,
            PlayerUid = PlayerUid
        });
    }

    public void UnbindService(RPGServiceType service, CmdUnbindContainer.Types.UnbindContainerReason reason = CmdUnbindContainer.Types.UnbindContainerReason.Logout)
    {
        SendToService(service, ServiceCommandType.UnbindContainer, new CmdUnbindContainer
        {
            SessionId = SessionId,
            Reason = reason
        });
    }

    public abstract void Dispose();
}