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


using ServerCore; using ServerBase;
using ServerCommon;


namespace GameServer;

public class NormalQuestCheckTicker : EntityTicker
{
    public NormalQuestCheckTicker(double onTickIntervalMilliseconds, CancellationTokenSource? cts) 
        : base(EntityType.NormalQuestCheckTicker, onTickIntervalMilliseconds, cts)
    {

    }

    public async Task onTaskTick_old()
    {
        Stopwatch? stopwatch = null;
        var event_tid = string.Empty;

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

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

        await QuestManager.It.questTimerEventCheck();
        await QuestManager.It.questNormalActiveCheck();

        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 async Task onTaskTick()
    {
        Stopwatch? stopwatch = null;
        var event_tid = string.Empty;

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

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

        //await QuestManager.It.questTimerEventCheck(); 의 대안
        var timer_check_user = QuestManager.It.getTimerCheckUser();
        List<string> delete_checker = new();
        ArgumentNullException.ThrowIfNull(timer_check_user, $"timer_check_user is null !!!");
        
        var player_manager = server_logic.getPlayerManager();
        ArgumentNullException.ThrowIfNull(player_manager, $"player_manager is null !!!");
        foreach (string user_guid in timer_check_user)
        {
            if (false == player_manager.tryGetUserByPrimaryKey(user_guid, out var player))
            {
                delete_checker.Add(user_guid);
                continue;
            }

            var user_create_or_load_action = player.getEntityAction<UserCreateOrLoadAction>();
            ArgumentNullException.ThrowIfNull(user_create_or_load_action,
                $"user_create_or_load_action is null !!! - {player.toBasicString()}");

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

            var fn_transaction_runner = async delegate()
            {
                var result = await QuestManager.It.QuestCheckWithoutTransaction(player, new QuestTimer(EQuestEventTargetType.TIMER, EQuestEventNameType.ENDED));
                ArgumentNullException.ThrowIfNull(result, $"result is null !!!");
                
                var batch = new QueryBatchEx<QueryRunnerWithDocument>(player, LogActionType.QuestTaskUpdate, server_logic.getDynamoDbClient());
                {
                    batch.addQuery(new DBQWriteToAttributeAllWithTransactionRunner());
                }

                result = await QueryHelper.sendQueryAndBusinessLog(batch);
                if (result.isFail())
                {
                    var err_msg = $"Failed to sendQueryAndBusinessLog() !!! : {result.toBasicString()} - {player.toBasicString()}";
                    Log.getLogger().error(err_msg);
                    return result;
                }
                
                return result;
            };
            
            var result = await player.runTransactionRunnerSafelyWithTransGuid(player.getUserGuid(), TransactionIdType.PrivateContents, "QuestTimerCheckTick", fn_transaction_runner);
            if (result.isFail())
            {
                var err_msg = $"Failed to runTransactionRunnerSafelyWithTransGuid() !!! : {result.toBasicString()} - {player.toBasicString()}";
                Log.getLogger().error(err_msg);
            }
        }
        QuestManager.It.deleteTimerCheckUser(delete_checker);

        
        //questNormalActiveCheck() 의 대안 
        delete_checker = new();
        DateTime now_dt = DateTimeHelper.Current;
        foreach (var user_guid in QuestManager.It.m_normal_quest_check_users.Keys)
        {
            if (false == player_manager.tryGetUserByPrimaryKey(user_guid, out var player))
            {
                delete_checker.Add(user_guid);
                continue;
            }


            var user_create_or_load_action = player.getEntityAction<UserCreateOrLoadAction>();
            ArgumentNullException.ThrowIfNull(user_create_or_load_action,
                $"user_create_or_load_action is null !!! - {player.toBasicString()}");

            if (false == user_create_or_load_action.isCompletedLoadUser())
            {
                continue;
            }
            
            var fn_transaction_runner = async delegate()
            {
                var repeat_quest_attribute = player.getEntityAttribute<RepeatQuestAttribute>();
                NullReferenceCheckHelper.throwIfNull(repeat_quest_attribute, () => $"repeat_quest_attribute is null !!!");
                
                if (repeat_quest_attribute.m_is_checking == 0) return new();
                if (now_dt < repeat_quest_attribute.m_next_allocate_time) return new();

                //플레이어 정보는 퀘스트 메일 보내기 전에 로드 된다. 메일이 로드 안되어 있으면 리턴 할수 있도록 처리 해줘야된다. 
                var quest_mail_action = player.getEntityAction<QuestMailAction>();
                if (false == quest_mail_action.isMailLoadedAll()) return new();


                HashSet<UInt32> my_current_normal_mail_set = await quest_mail_action.getNormalMailSet();
                int normal_mail_count = my_current_normal_mail_set.Count;
                HashSet<UInt32> assignable_mail_set = await QuestManager.It.getAssignableMailSet(player, my_current_normal_mail_set);


                //체크 대상이라 여기 들어왔는데 메일이 넘치면 미체크 대상으로 처리 
                if (MetaHelper.GameConfigMeta.MaxQuestSendMail <= normal_mail_count || assignable_mail_set.Count == 0)
                {
                    QuestManager.It.m_normal_quest_check_users.TryRemove(player.getUserGuid(), out _);
                    return new();
                }
                
                //여기까지 왔으면 메일 보낼게 있다는 얘기이므로 전송한다.
                var assignable_quest_id = QuestManager.It.getAssignableQuestMailId(assignable_mail_set);
                ArgumentNullException.ThrowIfNull(assignable_quest_id, $"assignable_quest_id is null !!!");
                
                //여기서 normalMailSet + 1 의 개수가 최대 개수를 넘으면 비활성화 처리
                var check_value = QuestManager.It.questCheckUserAssignableQuestMaxCheck(player, my_current_normal_mail_set);
                ArgumentNullException.ThrowIfNull(check_value, $"check_value is null !!!");
                
                
                (var result, var quest_mail, var quest_mail_log_invoker) = await quest_mail_action.sendQuestMail(assignable_quest_id);
                if (result.isFail())
                {
                    return result;
                }

                repeat_quest_attribute.m_next_allocate_time = repeat_quest_attribute.m_next_allocate_time.AddMinutes(MetaHelper.GameConfigMeta.CooltimeNormalQuestSendMail);
                if (false == check_value)
                {
                    repeat_quest_attribute.m_is_checking = 0;
                }

                repeat_quest_attribute.modifiedEntityAttribute();


                var server_logic = GameServerApp.getServerLogic();
                ArgumentNullException.ThrowIfNull(server_logic, $"server_logic is null !!!");
                var batch = new QueryBatchEx<QueryRunnerWithDocument>(player, LogActionType.QuestMailSend, server_logic.getDynamoDbClient());
                {
                    batch.addQuery(new DBQWriteToAttributeAllWithTransactionRunner());
                }
                batch.appendBusinessLog(new RepeatQuestBusinessLog(repeat_quest_attribute.m_next_allocate_time, repeat_quest_attribute.m_is_checking));
                batch.appendBusinessLog(quest_mail_log_invoker);

                result = await QueryHelper.sendQueryAndBusinessLog(batch);

                if (result.isFail())
                {
                    var err_msg = $"Failed to sendQueryAndBusinessLog() !!! : {result.toBasicString()} - {player.toBasicString()}";
                    Log.getLogger().error(err_msg);
                    return result;
                }
                
                await quest_mail_action.addNewQuestMails(new List<ServerCommon.QuestMail>() { quest_mail });
                await quest_mail_action.send_NTF_RECEIVED_QUEST_MAIL(player, new List<UInt32>() { assignable_quest_id });
                await QuestManager.It.QuestCheckWithoutTransaction(player, new QuestMail(EQuestEventTargetType.MAIL, EQuestEventNameType.RECEIVED, ""));
                
                return result;
            };
            
            var result = await player.runTransactionRunnerSafelyWithTransGuid(player.getUserGuid(), TransactionIdType.PrivateContents, "mailAndUpdateRepeatQuestInfo", fn_transaction_runner);
            if (result.isFail())
            {
                var err_msg = $"Failed to runTransactionRunnerSafelyWithTransGuid() !!! : {result.toBasicString()} - {player.toBasicString()}";
                Log.getLogger().error(err_msg);
                continue;
            }
        }
        foreach (var delete_user in delete_checker)
        {
            QuestManager.It.m_normal_quest_check_users.TryRemove(delete_user, out _);
            Log.getLogger()
                .debug($"setNormalMailTimer m_normal_quest_check_users remove accountId : {delete_user}");
        }

        

        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()}";
    }
}