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

using Sog;
using ProtoCSStruct;

namespace Game
{
    public static class MoveSvc
    {
        public static void OnMoveWalk(PlayerOnGame player, ref CSMoveWalk req)
        {
            TraceLog.Trace("MoveSvc.OnMoveWalk player {0} map {1}", player.UserID, req.Mapid);

            if(req.Points.Count == 0)
            {
                TraceLog.Error("MoveSvc.OnMoveWalk player {0} in map {1}, req no any point!"
                    , player.UserID, player.m_actor.mapDescId, req.Mapid);
                return;
            }

            if(req.Mapid != player.m_actor.mapDescId)
            {
                TraceLog.Error("MoveSvc.OnMoveWalk player {0} in map {1}, but move req map {2}, drop it"
                    , player.UserID, player.m_actor.mapDescId, req.Mapid);
                return;
            }

            MapDesc mapDesc = MapDescMgr.Instance.GetConfig(req.Mapid);
            if(mapDesc == null)
            {
                TraceLog.Error("MoveSvc.OnMoveWalk player {0} in map {1}, no desc"
                    , player.UserID, player.m_actor.mapDescId);
                return;
            }

            if(mapDesc.serverMode == 0)
            {
                //保存坐标
                SavePositionOnClientMod(player, ref req.Points, ref req.Dir);
                return;
            }

            MapInstance instance = MapInstanceOp.GetInstanceById(player.m_actor.instanceId);
            if (instance == null)
            {
                TraceLog.Error("MoveSvc.OnMoveWalk player {0} instance {1} not object"
                    , player.UserID, player.m_actor.instanceId);
                return;
            }

            Map map = MapSvc.GetMap(instance, req.Mapid);
            if (map == null)
            {
                TraceLog.Error("MoveSvc.OnMoveWalk player {0} no map {1}"
                    , player.UserID, req.Mapid);
                return;
            }

            int iRet = MoveCheckSvc.CheckMoveWalk(player, ref req, map);
            if(iRet != 0)
            {
                return;
            }

            //服务器端先什么都不处理，只是改变一下坐标
            DBPosition lastPos = req.Points[req.Points.Count - 1];

            MapSvc.ChangePosition(player.m_actor, map, player.m_actor.position, lastPos, req.Dir, true);

            req.ActorId = player.m_actor.actorId;

            //广播移动消息
            MapViewSvc.BroadCastToPlayerInView(player.m_actor, (int)CSGameMsgID.MoveWalk, ref req);

        }

        public static void OnMoveTurn(PlayerOnGame player, ref CSMoveTurn req)
        {
            TraceLog.Trace("MoveSvc.OnMoveTurn player {0} map {1}", player.UserID, req.Mapid);

            if (req.Points.Count != 1)
            {
                TraceLog.Error("MoveSvc.OnMoveWalk player {0} in map {1}, req must 1 point!"
                    , player.UserID, player.m_actor.mapDescId, req.Mapid);
                return;
            }

            if (req.Mapid != player.m_actor.mapDescId)
            {
                TraceLog.Error("MoveSvc.OnMoveTurn player {0} in map {1}, but move req map {2}, drop it"
                    , player.UserID, player.m_actor.mapDescId, req.Mapid);
                return;
            }

            MapDesc mapDesc = MapDescMgr.Instance.GetConfig(req.Mapid);
            if (mapDesc == null)
            {
                TraceLog.Error("MoveSvc.OnMoveTurn player {0} in map {1}, no desc"
                    , player.UserID, player.m_actor.mapDescId);
                return;
            }

            if (mapDesc.serverMode == 0)
            {
                //保存坐标
                SavePositionOnClientMod(player, ref req.Points, ref req.Dir);
                return;
            }

            MapInstance instance = MapInstanceOp.GetInstanceById(player.m_actor.instanceId);
            if (instance == null)
            {
                TraceLog.Error("MoveSvc.OnMoveTurn player {0} instance {1} not object"
                    , player.UserID, player.m_actor.instanceId);
                return;
            }

            Map map = MapSvc.GetMap(instance, req.Mapid);
            if (map == null)
            {
                TraceLog.Error("MoveSvc.OnMoveTurn player {0} no map {1}"
                    , player.UserID, req.Mapid);
                return;
            }

            int iRet = MoveCheckSvc.CheckMoveTurn(player, ref req, map);
            if (iRet != 0)
            {
                return;
            }

            //服务器端先什么都不处理，只是改变一下坐标
            DBPosition lastPos = req.Points[req.Points.Count - 1];

            MapSvc.ChangePosition(player.m_actor, map, player.m_actor.position, lastPos, req.Dir, true);

            req.ActorId = player.m_actor.actorId;

            //广播移动消息
            MapViewSvc.BroadCastToPlayerInView(player.m_actor, (int)CSGameMsgID.MoveTurn, ref req);

        }

        public static void OnMoveStop(PlayerOnGame player, ref CSMoveStop req)
        {
            TraceLog.Trace("MoveSvc.OnMoveStop player {0} map {1}", player.UserID, req.Mapid);

            if (req.Points.Count == 0)
            {
                TraceLog.Error("MoveSvc.OnMoveStop player {0} in map {1}, req no any point!"
                    , player.UserID, player.m_actor.mapDescId, req.Mapid);
                return;
            }

            if (req.Mapid != player.m_actor.mapDescId)
            {
                TraceLog.Error("MoveSvc.OnMoveStop player {0} in map {1}, but move req map {2}, drop it"
                    , player.UserID, player.m_actor.mapDescId, req.Mapid);
                return;
            }

            MapDesc mapDesc = MapDescMgr.Instance.GetConfig(req.Mapid);
            if (mapDesc == null)
            {
                TraceLog.Error("MoveSvc.OnMoveTurn player {0} in map {1}, no desc"
                    , player.UserID, player.m_actor.mapDescId);
                return;
            }

            if (mapDesc.serverMode == 0)
            {
                //保存坐标
                SavePositionOnClientMod(player, ref req.Points, ref req.Dir);
                return;
            }

            MapInstance instance = MapInstanceOp.GetInstanceById(player.m_actor.instanceId);
            if (instance == null)
            {
                TraceLog.Error("MoveSvc.OnMoveStop player {0} instance {1} not object"
                    , player.UserID, player.m_actor.instanceId);
                return;
            }

            Map map = MapSvc.GetMap(instance, req.Mapid);
            if (map == null)
            {
                TraceLog.Error("MoveSvc.OnMoveStop player {0} no map {1}"
                    , player.UserID, req.Mapid);
                return;
            }

            int iRet = MoveCheckSvc.CheckMoveStop(player, ref req, map);
            if (iRet != 0)
            {
                return;
            }

            //服务器端先什么都不处理，只是改变一下坐标
            DBPosition lastPos = req.Points[req.Points.Count - 1];

            MapSvc.ChangePosition(player.m_actor, map, player.m_actor.position, lastPos, req.Dir, true);

            req.ActorId = player.m_actor.actorId;

            //广播移动消息
            MapViewSvc.BroadCastToPlayerInView(player.m_actor, (int)CSGameMsgID.MoveStop, ref req);

        }

        public static void OnMoveCameraChange(PlayerOnGame player, ref CSMoveCameraChange req)
        {
            TraceLog.Trace("MoveSvc.OnMoveCameraChange player {0} map {1}", player.UserID, req.Mapid);

            if (req.Mapid != player.m_actor.mapDescId)
            {
                TraceLog.Error("MoveSvc.OnMoveCameraChange player {0} in map {1}, but move req map {2}, drop it"
                    , player.UserID, player.m_actor.mapDescId, req.Mapid);
                return;
            }

            MapDesc mapDesc = MapDescMgr.Instance.GetConfig(req.Mapid);
            if (mapDesc == null)
            {
                TraceLog.Error("MoveSvc.OnMoveCameraChange player {0} in map {1}, no desc"
                    , player.UserID, player.m_actor.mapDescId);
                return;
            }

            player.m_actor.camera = req.Camera;

            MapInstanceUtils.SavePlayerMapPosToDBData(player);
        }

        //客户端模式直接保存客户端发上来的坐标
        public static void SavePositionOnClientMod(PlayerOnGame player, ref RepeatedDBPosition_16 points, ref DBPosition dir)
        {
            if(points.Count == 0)
            {
                return;
            }

            player.m_actor.instanceId = 0;
            player.m_actor.position = points[points.Count - 1];
            player.m_actor.direction = dir;

            MapInstanceUtils.SavePlayerMapPosToDBData(player);
        }
    }
}