using System;
using System.Collections.Generic;
using System.Linq;

namespace ET.Server
{
    /// <summary>
    /// 黄冈晃晃 玩家操作动作吃、碰、杠、胡、过
    /// </summary>
    [MessageHandler(SceneType.Game)]
    public class C2G_HGHHOperationHandler : AMRpcHandler<C2G_HGHHOperation, G2C_HGHHOperation>
    {
        protected override async ETTask Run(Session session, C2G_HGHHOperation request, G2C_HGHHOperation response, Action reply)
        {
            Player player = session.GetComponent<SessionPlayerComponent>().GetMyPlayer();
            if (player == null)
            {
                response.Error = ErrorCode.ERR_OperationError;
                response.Message = "玩家不存在或离线...";
                reply();
                return;
            }
            
            // 玩家是否进入房间
            if (player.RoomId <= 0)
            { 
                response.Error = ErrorCode.ERR_OperationError;
                response.Message = "玩家不在房间，不可操作...";
                reply();
                return;
            }

            Scene scene = session.DomainScene();
            
            // 房间是否能找到
            Room room = scene.GetComponent<GameRoomComponent>().Get(player.RoomId);
            if (room == null)
            {
                response.Error = ErrorCode.ERR_OperationError;
                response.Message = "请求的房间不存在或已解散...";
                reply();
                return;
            }
            
            // 玩家房间是否已开始
            HGHHComponent hghhComponent = room.GetComponent<HGHHComponent>();
            if (hghhComponent != null && hghhComponent.State != 2)
            {
                response.Error = ErrorCode.ERR_OperationError;
                response.Message = "房间不在游戏中，不可操作...";
                reply();
                return;
            }
            
            // 玩家状态
            if (player.State != 2)
            {
                response.Error = ErrorCode.ERR_OperationError;
                response.Message = "玩家不在游戏中，不可操作...";
                reply();
                return;
            }

            if (request.OpType is < 0 or > 5)
            {
                response.Error = ErrorCode.ERR_ParameterError;
                response.Message = "参数错误...";
                reply();
                return;
            }
            
            if ((request.OpType == (int)OperationType.CHI || request.OpType == (int)OperationType.GANG)
                && (request.Card <= 0 || !HGHHConst.Values.Contains(request.Card)))
            {
                response.Error = ErrorCode.ERR_OperationError;
                response.Message = "牌值错误...";
                reply();
                return;
            }
            
            // 判断玩家是否可操作
            if (!hghhComponent.OperableList.Contains(player.Id))
            {
                response.Error = ErrorCode.ERR_OperationError;
                response.Message = "不可操作...";
                reply();
                return;
            }
            
            using (await CoroutineLockComponent.Instance.Wait(CoroutineLockType.PlayerOperation, player.Id))
            {
                switch (request.OpType)
                {
                    case (int)OperationType.CHI:
                        hghhComponent.Chi(room, player, request.Card);
                        break;
                    case (int)OperationType.PENG:
                        hghhComponent.Peng(room, player);
                        break;
                    case (int)OperationType.GANG:
                        hghhComponent.Gang(room, player, request.Card);
                        break;
                    case (int)OperationType.HU:
                        hghhComponent.Hu(room, player);
                        break;
                    case (int)OperationType.GUO:
                        hghhComponent.Guo(room, player);
                        break;
                }
            }
            
            // 返回
            reply();
            await ETTask.CompletedTask;
        }
    }
}