using Google.Protobuf;
using Google.Protobuf.WellKnownTypes;


using ServerCore;
using ServerBase;
using ServerCommon;
using ServerCommon.BusinessLogDomain;
using MetaAssets;

using ControlCenter.NamedPipe;
using ServerControlCenter;


namespace GameServer.Monitor.PacketHandler;

public class ForceStopServerMessageReceiver : NamedPipeReceiver<A2S_REQ_FORCE_STOP_SERVER>
{
    public ForceStopServerMessageReceiver() { }

    public override async Task Handle(A2S_REQ_FORCE_STOP_SERVER message, string message_id)
    {
        Log.getLogger().debug($"{nameof(ForceStopServerMessageReceiver)}: Receive - message_id[{message_id}] / message[{message}]");

        var server_logic = GameServerApp.getServerLogic();
        var proud_net_listener = server_logic.getProudNetListener();
        await proud_net_listener.onLogoutUserAllByKick();
        await NamedPipeMonitor.ChangeServerStatus(ServerStatus.ReserveToStop);
        
        var timer = new PeriodicTimer(TimeSpan.FromMilliseconds(1_000));
        while (true)
        {
            await timer.WaitForNextTickAsync();
            var can_stop = CheckServerStatusForStopAsync();
            if (can_stop)
            {
                break;
            }
        }
        
        timer.Dispose();
        
        // process 종료
        await server_logic.onStopServer();
        Environment.Exit(0);
    }

    private bool CheckServerStatusForStopAsync()
    {
        var server_logic = GameServerApp.getServerLogic();
        var proud_net_listener = GameServerApp.getServerLogic().getProudNetListener();
        var check_count = proud_net_listener.getEntityWithSessions().Count;
        Log.getLogger().debug($"server_name:[{server_logic.getServerName()}] / check_count: [{check_count}]");
        
        //조건 1. 현재 Client Session 수 체크
        return check_count <= 0;
        
    }
}