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

using Sog;
using Sog.Service;
using ProtoCSStruct;

namespace GameDB
{
    public class GameDBMsgHandler : BaseReloadableService
    {
        public override int GetServiceType()
        {
            return GameDBServiceType.GameDBMsgHandler;
        }

        //销毁的时候置空
        public override void Dispose()
        {

        }

        public void HandlerMessage(uint remoteAppID, MessageData message)
        {
            StructPacket packet;
            bool bSuccess = GameDBServerUtils.GetProtoPacker().UnpackMessage(message, out packet);
            if (bSuccess == false)
            {
                TraceLog.Error("GameDBMsgHandler.HandlerMessage ,unpack msg failed {0}, remoteAppID {1}", message.Header.Type, remoteAppID);
                return;
            }

            packet = packet.Clone();

            //预先判断，提高效率
            if (TraceLog.GetLogLevel() <= (int)Sog.Log.LogLevel.TraceDetail
                && TraceLog.IsSkipLogMsgID(packet.MsgID) == false)
            {
                TraceLog.TraceDetail("GameDBMsgHandler recv message from server {0}, message type {1} length {2} : {3}->{4}"
                    , ServerIDUtils.IDToString(remoteAppID)
                    , message.Header.Type
                    , message.Header.Length
                    , packet.MessageName()
                    , packet.ToString());
            }

            long uid = GetUidFromPacket(packet);
            //long reamId = AccountUtils.GetGameIdFromUserId(uid);
            int iTaskIndex = 0;
            switch (packet.MsgID)
            {
                case (int)SSGameMsgID.AddServerTimeSync:
                    OnAddServerTimeSync(remoteAppID, packet);
                    //不往后走了，直接return
                    return; 
                case (int)SSGameMsgID.QueryMailReq://已废弃走此路线,通过MailServer处理             
                case (int)SSGameMsgID.MailOpReq:
                    TraceLog.Error("GameDBMsgHandler.HandlerMessage error mail MsgID {0}", packet.MsgID);
                    return;
                default:
                    TraceLog.Debug("GameDBMsgHandler.HandlerMessage GetUidFromPacket MsgID {0} uid {1}", packet.MsgID, uid);
                    iTaskIndex = (int)(uid % MessageTaskHandler.GameDBWorkThreadCount);
                    break;
            }
            MessageTaskDistributor.Instance.Distribute(remoteAppID, packet, iTaskIndex);
        }

        private long GetUidFromPacket(StructPacket packet)
        {
            switch (packet.MsgID)
            {
                case (int)SSGameMsgID.QueryRoleDbReq:
                    ref SSQueryRoleDbReq queryRoleReq = ref packet.GetMessage<SSQueryRoleDbReq>();
                    return queryRoleReq.Uid;

                case (int)SSGameMsgID.SaveRoleReq:
                    ref SSSaveRoleReq saveRoleReq = ref packet.GetMessage<SSSaveRoleReq>();
                    return saveRoleReq.RoleBase.Uid;
                case (int)SSGameMsgID.FirebaseidSaveDbReq:
                    return packet.ObjectID;
                case (int)SSGameMsgID.FirebaseidQueryDbReq:
                    return packet.ObjectID;
                case (int)SSGameMsgID.GmSetFreezeTime:
                    return packet.ObjectID;
                case (int)SSGameMsgID.GmQueryUserPayRecordReq:
                    return packet.ObjectID;
                case (int)SSGameMsgID.EnableSendMsgReq:
                    ref SSEnableSendMsgReq enableMsgReq = ref packet.GetMessage<SSEnableSendMsgReq>();
                    return enableMsgReq.Uid;

                //friend
                case (int)SSGameMsgID.QueryFriendListReq:
                    ref SSQueryFriendListReq queryFriendListReq = ref packet.GetMessage<SSQueryFriendListReq>();
                    return queryFriendListReq.Uid;
                case (int)SSGameMsgID.QueryFriendInfoCacheReq:
                    ref SSQueryFriendInfoCacheReq queryFriendInfoCacheReq = ref packet.GetMessage<SSQueryFriendInfoCacheReq>();
                    return queryFriendInfoCacheReq.Uid;
                case (int)SSGameMsgID.SaveFriendListReq:
                    ref SSSaveFriendListReq saveFriendListReq = ref packet.GetMessage<SSSaveFriendListReq>();
                    return saveFriendListReq.Uid;
                //rank
                case (int)SSGameMsgID.QueryRankDbReq:
                    return packet.ObjectID;
                case (int)SSGameMsgID.SaveRankDbReq:
                    return packet.ObjectID;
                case (int)SSGameMsgID.QueryActRankDbReq:
                    return packet.ObjectID;
                case (int)SSGameMsgID.SaveActRankDataReq:
                    return packet.ObjectID;
                case (int)SSGameMsgID.PlayerQueryOfflineRoleReq:
                    return packet.ObjectID;
                case (int)SSGameMsgID.PlayerSearchRoledbBynameReq:
                    return packet.ObjectID;
                case (int)SSGameMsgID.GmQueryUserRoleReq:
                case (int)SSGameMsgID.OperationCostItemReq:
           
                //case (int)SSGameMsgID.QueryArenaRankReq:
                case (int)SSGameMsgID.QueryBattleReplayDbReq:
                case (int)SSGameMsgID.SaveBattleReplayDbReq:
                case (int)SSGameMsgID.DeleteBattleReplayDbReq:
                case (int)SSGameMsgID.AddServerTimeSync:
                case (int)SSGameMsgID.OperationUpdateTaskReq:
                case (int)SSGameMsgID.GmUpdateUserRoleReq:
                case (int)SSGameMsgID.GmImportUserRoleReq:
                    return packet.ObjectID;
                case (int)SSGameMsgID.WorldglobaldataDbOpReq:
                    return packet.ObjectID;
                default:
                    TraceLog.Error("GameDBMsgHandler.GetUidFromPacket unknow MsgID {0}", packet.MsgID);
                    break;
            }

            //其他情况一律返回0
            return 0;
        }
        
        public void OnAddServerTimeSync(uint remoteAppID, StructPacket packet)
        {
            ref SSAddServerTimeSync sync = ref packet.GetMessage<SSAddServerTimeSync>();

            TraceLog.Debug("GameDBMsgHandler.OnAddServerTimeSync serverid {0} offset {1}"
                , ServerIDUtils.IDToString(remoteAppID), sync.Offset);

            GameDBServerUtils.GetApp().Time.SetOffset(sync.Offset);

            GameDBServerUtils.GetApp().Time.UpdateTime();

            TraceLog.Debug("GameDBMsgHandler.OnAddServerTimeSync serverid {0} offset {1} set time success"
                , ServerIDUtils.IDToString(remoteAppID), sync.Offset);
        }
    }
}