using CliWrap;
using Ips.Library.Basic;
using Ips.Library.Entity;
using Ips.Library.Signals;
using Ips.Library.SvrHub;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection.Metadata;
using System.Text;
using System.Threading.Tasks;

namespace Ips.AdcAlgorithm
{
    public class AdcController : IAdController
    {
        public AdcController()
        {
            getAdcSrcFileName = GetAdcSrcFileName;
        }

        static readonly string CliPath = Path.Combine(IpsPath.CliRootDir, "adc");
        static readonly string CliFile = Path.Combine(CliPath, "adc.exe");
        AdcOptions runOptions;

        Func<AdcOptions, int, string> getAdcSrcFileName;

        public async Task<ExeResult<AdcResult>> StartAdc(AdcOptions options, Action<string> handLine = null, CancellationToken token = default)
        {
            #region 远程采集
            string str = BuildString(options);
            var svr=SvrHub.Instance.GetOne(EnumSvrType.CapSvr, options.CardCode);
            var res = await HttpHelper.PostRequestAsync<AdcResult>(svr.BaseHttpAddr.AppendUrlSuffix("api/ad/startad"), options);
            if (res.code == 200)
            {
                return ExeResult.Create(res.data, str, res.data.StartTime, DateTime.Now);
            }
            else
            {
                throw new Exception(res.msg);
            }
            #endregion
            #region 本地采集

            //await Stop();
            //var cmd = BuildAdcCommand(options, handLine);
            ////开始时间+采集时长+10后认定为超时
            //var timeout = (int)(options.StartTime.AddSeconds(options.TimeLen + 10) - DateTime.Now).TotalSeconds;
            //token = token.LinkTimeout(timeout);
            //var cmdRes = await cmd.ExecuteAsync(token);
            //var result = await AdcFileUtil.BuildAdcResult(options, getAdcSrcFileName, token);
            //return ExeResult.Create(result, cmd.Arguments, cmdRes.StartTime, cmdRes.ExitTime, cmdRes.ExitCode);
            #endregion
        }

        public Task<ExeResult<AdcResult>> StartDdcKeep(AdcOptions options, Action<AdcResult> resultCallback, Action<string> handline = null, CancellationToken token = default)
        {
            throw new NotImplementedException();
        }

        public async Task<ExeResult<AdcResult>> StartDdcOne(AdcOptions options, Action<string> handLine = null, CancellationToken token = default)
        {
            #region 远程采集
            string str = BuildString(options);
            var svr = SvrHub.Instance.GetOne(EnumSvrType.CapSvr, options.CardCode);
            var res = await HttpHelper.PostRequestAsync<AdcResult>(svr.BaseHttpAddr.AppendUrlSuffix("api/ad/startad"), options);
            if (res.code == 200)
            {
                return ExeResult.Create(res.data, str, res.data.StartTime, DateTime.Now);
            }
            else
            {
                throw new Exception(res.msg);
            }
            #endregion
            //await Stop();
            //var cmd = BuildAdcCommand(options, handLine);
            ////开始时间+采集时长+10后认定为超时
            //var timeout = (int)(options.StartTime.AddSeconds(options.TimeLen + 10) - DateTime.Now).TotalSeconds;
            //var tokenAndTimeout = token.LinkTimeout(timeout);
            //var cmdRes = await cmd.ExecuteAsync(tokenAndTimeout);
            //var result = await AdcFileUtil.BuildDdcResult(options, getAdcSrcFileName, token);
            //return ExeResult.Create(result, cmd.Arguments, cmdRes.StartTime, cmdRes.ExitTime, cmdRes.ExitCode);
        }

        public Task Stop()
        {
            return Task.Run(() =>
            {
                if (runOptions != null)
                {
                    DirectoryUtil.DeleteFiles(runOptions.StorePath, "*.tmp");
                }
                ProcessUtil.KillProcessByName(CliFile);
            });
        }
        private string BuildString(AdcOptions options)
        {
            StringBuilder str = new StringBuilder();
            double mutil = options.Mutil == 1 ? 0 : options.Mutil;
            str.Append($"开始时间:{options.StartTime:yyyy-MM-dd HH:mm:ss}");
            str.Append($"时钟类型:{options.ClockType.ToString("D")}");
            str.Append($"触发模式:{options.TriggerMode.ToString("D")}");
            str.Append($"DDC频率:{options.DdcFreq.E6m()}");
            str.Append($"时钟频率:{options.ClockFreq.E6m()}");
            str.Append($"抽取倍数:{mutil}");
            str.Append($"通道数:{options.ChCount}");
            str.Append($"采集时长:{options.TimeLen}");
            return str.ToString();

        }
        private Command BuildAdcCommand(AdcOptions options, Action<string> handLine)
        {
            if (options.StartTime < DateTime.Now.AddSeconds(AdcConst.MinWaitTime))
                options.StartTime = DateTime.Now.AddSeconds(AdcConst.MinWaitTime);
            runOptions = options;
            DirectoryUtil.CreateIfNotExists(options.StorePath);
            var nameTime = options.StartTime.Format(SignalFile.SigTimeFileFormat);
            string fileName = Path.Combine(options.StorePath, nameTime + ".dat");

            //adc.exe -s 0 -c 0 -t 0 -d 70 -f 100 -m 128 -h 3 -o e:\data\1.dat -l 10

            var cmd = Cli.Wrap(CliFile)
                .WithWorkingDirectory(CliPath)
                .WithValidation(CommandResultValidation.None)
                .WithArguments(args =>
                {
                    args.Add("-s").Add(DateTimeUtil.To1970s(options.StartTime));
                    args.Add("-c").Add(options.ClockType.ToString("D"));
                    args.Add("-t").Add(options.TriggerMode.ToString("D"));
                    args.Add("-d").Add(options.DdcFreq.E6m());
                    args.Add("-f").Add(options.ClockFreq.E6m());
                    args.Add("-m").Add(options.Mutil == 1 ? 0 : options.Mutil);
                    args.Add("-h").Add(options.ChCount);
                    args.Add("-o").Add(fileName, true);
                    args.Add("-l").Add(options.TimeLen);
                });
            if (handLine != null)
            {
                cmd = cmd.WithStandardErrorPipe(PipeTarget.ToDelegate(handLine))
                    .WithStandardOutputPipe(PipeTarget.ToDelegate(handLine));
            }
            return cmd;
        }

        private string GetAdcSrcFileName(AdcOptions options, int chNum)
        {
            var sigTime = options.StartTime;
            var nameTime = sigTime.Format(SignalFile.SigTimeFileFormat);
            string fileName = $"{nameTime}_ch{chNum}{(options.Mutil == 1 ? "" : "_iq")}.dat";
            string fullName = Path.Combine(options.StorePath, fileName);
            if (!File.Exists(fullName))
            {
                string nameFmt = $"*{nameTime}*_ch{chNum}*.dat";
                var fmtFileNames = Directory.GetFiles(options.StorePath, nameFmt, SearchOption.TopDirectoryOnly);
                if (fmtFileNames.IsNotNullOrEmpty())
                {
                    fullName = fmtFileNames.First();
                }
                else
                {
                    IpsLogger.Error($"查找采集落盘文件失败，目录：{options.StorePath},格式：{nameFmt}");
                }
            }
            return fullName;
        }
    }
}