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

using Sog;
using Sog.Service;
using ProtoCSStruct;

namespace HttpProxy
{
    public class HttpProxyMsgHandler : BaseReloadableService
    {
        private ServerApp m_app;

        

        public override int GetServiceType()
        {
            return HttpProxyServiceType.HttpProxyMsgHandler;
        }

        //销毁的时候置空
        public override void Dispose()
        {
            m_app = null;
        }

        public HttpProxyMsgHandler(ServerApp app)
        {
            m_app = app;
        }

        public ServerApp GetApp()
        {
            return m_app;
        }

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

            //消息多线程处理，这里需要clone一个才行
            packet = packet.Clone();

            //预先判断，提高效率
            if (TraceLog.GetLogLevel() <= Sog.Log.LogLevel.TraceDetail
                && TraceLog.IsSkipLogMsgID(packet.MsgID) == false)
            {
                TraceLog.TraceDetail("HttpProxyMsgHandler 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());
            }

            switch (packet.MsgID)
            {
                case (int)CSMsgID.AccountReq:
                    HttpCheckAccountToken(remoteAppID, packet);
                    break;
                case (int)SSMsgID.QueryHttpSnsFriendListReq:
                    HttpQuerySnsFriendList(remoteAppID, packet);
                    break;
                case (int)SSMsgID.BindGuestFacebookHttpCheckReq:
                    OnBindGuestFacebookHttpCheckReq(remoteAppID, packet);
                    break;
                case (int)SSMsgID.UnbindGuestFacebookNotifyHttp:
                    OnUnBindGuestFacebookNotifyHttp(remoteAppID, packet);
                    break;
                default:
                    TraceLog.Error("HttpProxyMsgHandler unknow MsgID {0}", packet.MsgID);
                    break;
            
            }
        }

        private int CalcLoginTaskIndex(int accountType, string accountID)
        {
            string strHash = AccountUtils.CalcAccountKey(accountType, accountID);

            int index = AccountUtils.HashStringForIndex(strHash) % HttpProxyServerUtils.HttpProxyLoginWorkThreadCount;

            return index;
        }


        //
        //此方法其实不处理实际逻辑，只是根据account信息分发到对应的task
        //具体执行逻辑在MessageTaskHandler
        private void HttpCheckAccountToken(uint remoteAppID, StructPacket packet)
        {
            ref CSAccountAuthReq accountAuthReq = ref packet.GetMessage<CSAccountAuthReq>();

            int iTaskIndex = CalcLoginTaskIndex(accountAuthReq.Account.AccountType, accountAuthReq.Account.AccountID.GetString());

            MessageTaskDistributor.Instance.Distribute(remoteAppID, packet, iTaskIndex);

            TraceLog.Debug("HttpProxyMsgHandler.HttpCheckAccountToken type {0} id {1} distribute to task {2}"
                , accountAuthReq.Account.AccountType
                , accountAuthReq.Account.AccountID
                , iTaskIndex);
        }

        private void HttpQuerySnsFriendList(uint remoteAppID, StructPacket packet)
        {
            ref SSQueryHttpSnsFriendListReq httpSnsReq = ref packet.GetMessage<SSQueryHttpSnsFriendListReq>();

            int iTaskIndex = CalcLoginTaskIndex(httpSnsReq.Account.AccountType, httpSnsReq.Account.AccountID.GetString());

            MessageTaskDistributor.Instance.Distribute(remoteAppID, packet, iTaskIndex);

            TraceLog.Debug("HttpProxyMsgHandler.HttpQuerySnsFriendList type {0} id {1} distribute to task {2}"
                , httpSnsReq.Account.AccountType
                , httpSnsReq.Account.AccountID
                , iTaskIndex);
        }

        private void OnBindGuestFacebookHttpCheckReq(uint remoteAppID, StructPacket packet)
        {
            ref SSBindGuestFacebookHttpCheckReq req = ref packet.GetMessage<SSBindGuestFacebookHttpCheckReq>();

            int iTaskIndex = CalcLoginTaskIndex(req.AccountInfo.AccountType, req.AccountInfo.AccountID.GetString());

            MessageTaskDistributor.Instance.Distribute(remoteAppID, packet, iTaskIndex);

            TraceLog.Debug("HttpProxyMsgHandler.OnBindGuestFacebookHttpCheckReq type {0} id {1} distribute to task {2}"
                , req.AccountInfo.AccountType
                , req.AccountInfo.AccountID
                , iTaskIndex);
        }

        private void OnUnBindGuestFacebookNotifyHttp(uint remoteAppID, StructPacket packet)
        {
            ref SSUnbindGuestFacebookNotifyHttp req = ref packet.GetMessage<SSUnbindGuestFacebookNotifyHttp>();

            int iTaskIndex = CalcLoginTaskIndex(req.AccountInfo.AccountType, req.AccountInfo.AccountID.GetString());

            MessageTaskDistributor.Instance.Distribute(remoteAppID, packet, iTaskIndex);

            TraceLog.Debug("HttpProxyMsgHandler.OnUnBindGuestFacebookNotifyHttp type {0} id {1} distribute to task {2}"
                , req.AccountInfo.AccountType
                , req.AccountInfo.AccountID
                , iTaskIndex);
        }

    }
}