using System.Diagnostics;
using ProtoCSStruct;
using Sog;
using Sog.IO;

namespace Mail
{
    public abstract class MailDBOperator
    {
        private long zipLenOld;
        private long zipLenNew;
        private long zipCpuTicks;
        private int zipCount;
        private long zipTimeMs => swMsFreq > 0 ? zipCpuTicks / swMsFreq : 0;

        private long unzipLenOld;
        private long unzipLenNew;
        private long unzipCpuTicks;
        private int unzipCount;
        private long unzipTimeMs => swMsFreq > 0 ? unzipCpuTicks / swMsFreq : 0;

        private Stopwatch sw;
        private long swMsFreq;


        public MailDBOperator()
        {
            sw = new Stopwatch();
            sw.Start();
            // 转换成每毫秒的tick频率
            swMsFreq = Stopwatch.Frequency / 1000;
        }

        public byte[] ZipData(byte[] unzipData)
        {
            if (unzipData == null || unzipData.Length == 0)
            {
                return unzipData;
            }

            long oldTicks = sw.ElapsedTicks;
            byte[] zipData = ZipUtils.CompressBytes(unzipData);
            long costTicks = sw.ElapsedTicks - oldTicks;

            zipLenOld += unzipData.Length;
            zipLenNew += zipData.Length;
            zipCpuTicks += costTicks;
            zipCount++;

            TraceLog.Trace("MailDBOperator.ZipData len {0} -> {1} cpuTicks {2}, total Len {3} -> {4} timeMs {5} count {6}"
                , unzipData.Length, zipData.Length, costTicks, zipLenOld, zipLenNew, zipTimeMs, zipCount);

            return zipData;
        }

        public byte[] UnzipData(byte[] zipData)
        {
            if (zipData == null || zipData.Length == 0)
            {
                return zipData;
            }

            long oldTicks = sw.ElapsedTicks;
            byte[] unzipData = ZipUtils.DecompressBytes(zipData);
            long costTicks = sw.ElapsedTicks - oldTicks;

            unzipLenOld += zipData.Length;
            unzipLenNew += unzipData.Length;
            unzipCpuTicks += costTicks;
            unzipCount++;

            TraceLog.Trace("MailDBOperator.UnzipData len {0} -> {1} cpuTicks {2}, total Len {3} -> {4} timeMs {5} count {6}"
                , zipData.Length, unzipData.Length, costTicks, unzipLenOld, unzipLenNew, unzipTimeMs, unzipCount);

            return unzipData;
        }

        //销毁的时候置空
        public abstract void Dispose();

        public abstract void KeepAlive();

        public abstract int QueryMail(long uid, ref DBMailBlob blob);

        public abstract bool InsertMail(long uid, ref DBMailBlob blob);

        public abstract bool UpdateMail(long uid, ref DBMailBlob blob);
    }


}