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


using ServerCore; using ServerBase;
using ServerCommon;
using System.Diagnostics;


namespace GameServer
{
    public class EventUpdateTicker : EntityTicker
    {
        public EventUpdateTicker(double onTickIntervalMilliseconds, CancellationTokenSource? cts)
            : base(EntityType.EventUpdateTicker, onTickIntervalMilliseconds, cts)
        {
        }

        public override async Task onTaskTick()
        {
            // TODO HERE : 처리해야 하는 Update 함수를 추가 한다.
            var result = new Result();
            var err_msg = string.Empty;

            Stopwatch? stopwatch = null;
            var event_tid = string.Empty;

            var server_logic = GameServerApp.getServerLogic();
            var server_config = server_logic.getServerConfig();

            if (true == server_config.PerformanceCheckEnable)
            {
                event_tid = System.Guid.NewGuid().ToString("N");
                stopwatch = Stopwatch.StartNew();
            }

            // TODO HERE : 처리해야 하는 Update 함수를 추가 한다.
            (var deletables, var currents) = EventManager.It.claimEventActiveCheckAndGet();

            foreach (var each in server_logic.getPlayerManager().getUsers())
            {
                // TODO : 여기서 유저 주요 테스크를 처리 한다.
                var user = each.Value;
                var user_create_or_load_action = user.getEntityAction<UserCreateOrLoadAction>();
                NullReferenceCheckHelper.throwIfNull(user_create_or_load_action, () => $"user_create_or_load_action is null !!! - {user.toBasicString()}");

                if (false == user_create_or_load_action.isCompletedLoadUser())
                {
                    continue;
                }

                // ClaimEvent 신규, 삭졔 체크
                if (deletables.Count > 0 || currents.Count > 0)
                {
                    await EventManager.It.playerClaimUpdateAndNoti(user, deletables, currents);
                }
            }

            if (null != stopwatch)
            {
                var elapsed_msec = stopwatch.ElapsedMilliseconds;
                stopwatch.Stop();
                Log.getLogger().debug($"{GetType()} Ticker Stopwatch Stop : ETID:{event_tid}, ElapsedMSec:{elapsed_msec}, TickIntervalMSec:{getOnTickIntervalMilliseconds()}");
            }
        }

        public override string toBasicString()
        {
            return $"{this.getTypeName()}";
        }

        public override string toSummaryString()
        {
            return $"{this.getTypeName()}";
        }
    }
}