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

using Sog;
using ProtoCSStruct;

namespace World
{
    public static class WorldGlobalDataHandler
    {
        //临时数据
        static Dictionary<string, List<long>> playerUid_map = new Dictionary<string, List<long>>();
        //来自gameserver
        public static void OnWorldglobaldataDbOpReq(uint remoteAppID, StructPacket packet)
        {
            // playeruid == packet.ObjectID
            PlayerInfoWorld player = WorldServerUtils.GetPlayerTableOp().GetPlayerInfo(packet.ObjectID);
            if (player == null)
            {
                TraceLog.Error("WorldGlobalDataHandler.OnWorldglobaldataDbOpReq no player uid {0}", packet.ObjectID);
                return;
            }
            ref SSWorldGlobalDataDBOpReq req = ref packet.GetMessage<SSWorldGlobalDataDBOpReq>();
            switch (req.OpType)
            {
                case WorldGlobalDataDBOpType.Query:
                    PlayerQueryWorldglobaldata(player,ref req);
                    break;
                case WorldGlobalDataDBOpType.Update:
                    PlayerUpdateWorldglobaldata(player, ref req);
                    break;
            }           
        }
        public static void OnWorldglobaldataDbOpNewReq(uint remoteAppID, StructPacket packet)
        {
            ref SSWorldGlobalDataDBOpNewReq req = ref packet.GetMessage<SSWorldGlobalDataDBOpNewReq>();
            switch (req.OpType)
            {
                case WorldGlobalDataDBOpType.Query:
                    //PlayerQueryWorldglobaldataNew(ref req);
                    break;
                case WorldGlobalDataDBOpType.Update:
                    //PlayerUpdateWorldglobaldata(player, ref req);
                    break;
            }
        }


        //来自gamedbserver
        public static void OnWorldglobaldataDbOpRes(uint remoteAppID, StructPacket packet)
        {
            ref SSWorldGlobalDataDBOpRes res = ref packet.GetMessage<SSWorldGlobalDataDBOpRes>();
            if(res.Ret != CSErrCode.None)
            {
                return;//操作失败
            }
            WorldGlobalDataOne one = WorldGlobalDataUtils.GetWorldGlobalData((int)res.DataType, res.GlobalId, res.DataVer);
            string key = WorldGlobalDataUtils.GetDataKey((int)res.DataType, res.GlobalId, res.DataVer);
            if (one == null)
            {
                one = new WorldGlobalDataOne();
                one.dataType = res.DataType;
                one.globalId = res.GlobalId;
                one.dataVer = res.DataVer;
                one.needSaveDB = true;
                var succ = WorldGlobalDataUtils.ParseFrom(res.DataType,ref one.protoData, WorldGlobalDataUtils.StructToByteArry(ref res.Data));
                if(!succ)
                {
                    return;
                }
                WorldGlobalData gd = WorldServerUtils.GetWorldGlobalData();               
                gd.allData.Add(key, one);
                
            }
            switch (res.OpType)
            {
                case WorldGlobalDataDBOpType.Query:
                    //通知玩家
                    if (playerUid_map.ContainsKey(key))
                    {
                        CSWorldGlobalDataNotify notify = new CSWorldGlobalDataNotify();
                        notify.DataType = res.DataType;
                        notify.GlobalId = res.GlobalId;
                        notify.DataVer = res.DataVer;
                        WorldGlobalDataUtils.CopyToNotify(ref notify, ref one.protoData);  
                        
                        foreach (var playerUid in playerUid_map[key])
                        {
                            PlayerInfoWorld player = WorldServerUtils.GetPlayerTableOp().GetPlayerInfo(playerUid);
                            if (player != null)
                            {
                                WorldServerUtils.GetPacketSender().SendToServerByID(player.GameServerID, (int)CSGameMsgID.WorldglobaldataNotify, ref notify, playerUid);
                            }                            
                        }
                        playerUid_map[key].Clear();
                    }
                     break;
                case WorldGlobalDataDBOpType.Update:
                    //更新数据
                    byte[] bty = WorldGlobalDataUtils.ToByteArray(res.DataType, ref one.protoData);
                    if (WorldGlobalDataUtils.BytesArryEquals(bty, res.Data))
                    {                   
                        one.needSaveDB = false;
                    }                
                    break;
            }
        }
        
        private static void PlayerQueryWorldglobaldata(PlayerInfoWorld player, ref SSWorldGlobalDataDBOpReq req)
        {
            WorldGlobalDataOne one = WorldGlobalDataUtils.GetWorldGlobalData((int)req.DataType, req.GlobalId,req.DataVer);
            if (one == null)
            {
                string key = WorldGlobalDataUtils.GetDataKey((int)req.DataType, req.GlobalId, req.DataVer);
                if (!playerUid_map.ContainsKey(key))
                {
                    playerUid_map.Add(key, new List<long>());
                }
                //没有数据,直接查询(如果超过10个还没返回结果,继续查询)
                if (playerUid_map[key].Count == 0 || playerUid_map[key].Count > 10)
                {
                    WorldGlobalDataUtils.QueryWorldGlobalData((int)req.DataType, req.GlobalId, req.DataVer);
                }
               
                if(!playerUid_map[key].Contains(player.UserID))
                {
                    playerUid_map[key].Add(player.UserID);
                }              
            }
            else
            {
                //已经有数据了,直接通知玩家
                CSWorldGlobalDataNotify res = new CSWorldGlobalDataNotify();
                res.DataType = req.DataType;
                res.GlobalId = req.GlobalId;
                res.DataVer = req.DataVer;
                WorldGlobalDataUtils.CopyToNotify(ref res, ref one.protoData);
                WorldServerUtils.GetPacketSender().SendToServerByID(player.GameServerID, (int)CSGameMsgID.WorldglobaldataNotify, ref res, player.UserID);
            }
        }

        private static void PlayerQueryWorldglobaldataNew(ref SSWorldGlobalDataDBOpReq req)
        {
            
        }


        private static void PlayerUpdateWorldglobaldata(PlayerInfoWorld player, ref SSWorldGlobalDataDBOpReq req)
        {
            WorldGlobalDataUtils.UpdateWorldGlobalData(ref req);
        }
    }

}