using System.Collections.Concurrent;
using System.Diagnostics.CodeAnalysis;
using GameServer.Contents.GameMode.Helper;
using GameServer.Contents.GameMode.Manage.PlayManage;
using ServerCore;
using NeoSmart.AsyncLock;
using ServerBase;
using ServerCommon;

namespace GameServer;

public class GameModeManager : Singleton<GameModeManager>
{
    private AsyncLock m_lock = new();
    private ConcurrentDictionary<string, IGameMode> m_game_modes = new(); /**/
    
    public async Task onInit()
    {
        //1. 이벤트 관리하는 Task 추가 
        //var result = await createBattleEventCheckerTask(); //kihoon todo : 이부분은 GameModeEventCheckerTask라는 걸로 변경 처리 해준다. 여기서 처리 안해줄수 도 있다.
        await Task.CompletedTask;
    }


    public async Task<Result> createGameMode(InstanceRoom instanceRoom, GameModeType gameModeType)
    {
        (var result, var game_mode) = GameModeHelper.createGameMode(instanceRoom, gameModeType);
        if (result.isFail()) return result;
        if (game_mode is null)
        {
            var err_msg = $"game_mode is null !!!! gameModeType : {gameModeType}, instanceRoomId : {instanceRoom.getMap().m_room_id}";
            Log.getLogger().error(err_msg);
            result.setFail(ServerErrorCode.GameModeClassIsNull, err_msg);
            return result;
        }
        var room_id = instanceRoom.getMap().m_room_id;
        
        if (false == tryAdd(room_id, game_mode))
        {
            //이미 들어가져 있으므로 로그만 남겨놓고 리턴
            Log.getLogger().warn($"game_mode already exist...... gameModeType : {gameModeType}, instanceRoomId : {instanceRoom.getMap().m_room_id}");
        }

        await Task.CompletedTask;
        return result;
    }

    public bool tryGetGameMode(string roomId, [MaybeNullWhen(false)] out IGameMode gameMode)
    {
        var ret = m_game_modes.TryGetValue(roomId, out gameMode);

        if (ret == false)
        {
            var err_msg = $"gameMode is null : room_id - {roomId}";
            Log.getLogger().error(err_msg);
        }

        return ret;
    }

    public bool tryRemoveGameMode(string roomId, [MaybeNullWhen(false)] out IGameMode gameMode)
    {
        return m_game_modes.TryRemove(roomId, out gameMode);
    }

    public bool tryAdd(string roomId, IGameMode gameMode)
    {
        return m_game_modes.TryAdd(roomId, gameMode);
    }
    
}