using FileTransDataObject;
using Google.Protobuf.WellKnownTypes;
using Sog;

namespace SMAgent
{
    class AgentFileRecvMng : Singleton<AgentFileRecvMng>
    {
        private FileRecvMgr recvMgr;

        private bool isFinish;

        private long lastTickTime;

        public AgentFileRecvMng()
        {
            recvMgr = new FileRecvMgr();
            recvMgr._SendFileContentReq = SendFileContentReq;
            recvMgr._SendFileRecvStateReq = SendFileRecvStateReq;

            isFinish = true;
        }

        public void Clear()
        {
            TraceLog.Debug("AgentFileRecvMng.Clear");

            isFinish = true;
            recvMgr.Clear();
        }

        public void Tick(long nowMs)
        {
            if (nowMs < lastTickTime + 1000)
            {
                return;
            }

            lastTickTime = nowMs;

            recvMgr.Tick(nowMs);

            // agent同一时间只会从一个center拉取数据, 接收完成并上报结果后释放资源
            if (! isFinish && recvMgr.IsFinish())
            {
                isFinish = true;
                Clear();
            }
        }

        public void OnTransFileNotify(SMTransFileNotify notify)
        {
            // agent同一时间只会从一个center拉取数据, 所以收到传送通知时直接开始新一轮接收
            Clear();
            isFinish = false;

            recvMgr.OnTransFileNotify(notify);
        }

        public void OnFileContentRes(SMFileContentRes res)
        {
            recvMgr.OnFileContentRes(res);
        }

        public void OnFileRecvStateRes(SMFileRecvStateRes res)
        {
            recvMgr.OnFileRecvStateRes(res);
        }

        public void OnCancelTransNotify(SMCancelTransNotify notify)
        {
            recvMgr.CancelTrans(notify.HostName);
        }

        public void SendFileContentReq(FileRecvNode recvNode, FileRecvData fileData)
        {
            var req = new SMFileContentReq
            {
                FileName = fileData.fileName,
                FileMd5 = fileData.fileMd5,
                HostName = SMAgentUtils.HostName,
                ContentOffset = fileData.ReqFileOffset,
                TransSeq = recvNode.transSeq
            };
            SMAgentNet.Instance.SendMsgToCenter(req, SMMsgID.FileContentReq);
        }

        public void SendFileRecvStateReq(FileRecvNode recvNode)
        {
            SMFileRecvStateReq req = new SMFileRecvStateReq();
            req.TransSeq = recvNode.transSeq;
            req.HostName = SMAgentUtils.HostName;
            foreach (FileRecvData fileData in recvNode.fileList)
            {
                req.FileList.Add(new FileRecvState
                {
                    FileName = fileData.fileName, FileMd5 = fileData.fileMd5, RecvState = fileData.recvState,
                });
            }

            SMAgentNet.Instance.SendMsgToCenter(req, SMMsgID.FileRecvStateReq);
        }
    }
}