using Ips.Ddc;
using Ips.Library.Basic;
using Ips.Library.Entity;
using Ips.Library.LocLib;
using Ips.Library.Signals;
using Ips.Tpdx;
using Microsoft.VisualBasic.FileIO;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection.Metadata.Ecma335;
using System.Text;
using System.Threading.Tasks;

namespace Ips.AdcAlgorithm
{
    public static class AdcFileUtil
    {
        public static Task<AdcResult> BuildAdcResult(AdcOptions options, Func<AdcOptions, int, string> getAdcSrcFileName, CancellationToken token = default)
        {
            options.StartTime = options.StartTime.ClearMillisecond();
            var result = new AdcResult(options.StartTime, options.StorePath);
            if (options.Channels.IsNullOrEmpty())
            {
                for (int i = 1; i <= options.ChCount; i++)
                {
                    if (token.IsCancellationRequested) break;
                    string sourceFile = getAdcSrcFileName(options, i);
                    if (!File.Exists(sourceFile))
                    {
                        IpsLogger.Warn($"采集落盘文件：{sourceFile}不存在！");
                        continue;
                    }
                    int bandWidth = (int)(options.ClockFreq / options.Mutil);
                    //var fileItem = new AdcFile(options.StartTime, i, 0, bandWidth, "");
                    var fs = SigCalcUtil.CalcFs(options.ClockFreq, bandWidth, 1);
                    var fileItem = SignalFile.Create(options.StartTime, 0, bandWidth, 0, "", "", i, "");
                    string targetFile = fileItem.GetLocalFullName(options.StorePath);
                    DirectoryUtil.CreateIfNotExists(Path.GetDirectoryName(targetFile));
                    File.Move(sourceFile, targetFile, true);
                    result.FileList.Add(fileItem);
                }
            }
            else
            {
                foreach (var ch in options.Channels)
                {
                    foreach (var sig in ch.Signals)
                    {
                        if (token.IsCancellationRequested) break;
                        string sourceFile = getAdcSrcFileName(options, ch.ChNum);
                        if (!File.Exists(sourceFile))
                        {
                            IpsLogger.Warn($"文件不存在，采集文件失败！{sourceFile}");
                            continue;
                        }
                        //AdcFile fileItem = new AdcFile(options.StartTime, ch.ChNum, sig.FreqUp, sig.BandWidth, sig.SigName);
                        var fs = SigCalcUtil.CalcFs(options.ClockFreq, sig.BandWidth, 1);
                        SignalFile fileItem = SignalFile.Create(options.StartTime, sig.FreqUp, sig.BandWidth, fs, ch.SiteCode, ch.AdcCode, ch.ChNum, sig.SigName);
                        string targetFile = fileItem.GetLocalFullName(options.StorePath);
                        DirectoryUtil.CreateIfNotExists(Path.GetDirectoryName(targetFile));
                        File.Move(sourceFile, targetFile, true);
                        result.FileList.Add(fileItem);
                    }
                }
            }
            return Task.FromResult(result);
        }

        public static async Task<AdcResult> BuildDdcResult(AdcOptions options, Func<AdcOptions, int, string> getSrcFileName, CancellationToken token = default)
        {
            options.StartTime = options.StartTime.ClearMillisecond();
            var adcResult = new AdcResult(options.StartTime, options.StorePath);
            foreach (var ch in options.Channels)
            {
                string sourceFile = getSrcFileName(options, ch.ChNum);
                if (!File.Exists(sourceFile))
                {
                    IpsLogger.Warn($"信道化采集失败，文件[{sourceFile}]不存在！");
                    continue;
                }

                var fsad = options.ClockFreq / options.Mutil;

                var ddcItems = ch.Signals.Select(m =>
                {
                    var ffc = ch.CenterFreq - m.FreqPoint;
                    var mutil = SigCalcUtil.CalcMutil(fsad, m.BandWidth, false);
                    var item = new DdcSignalItem(m, ffc, mutil);
                    item.IsTpdx = false;
                    double bw = m.BandWidth / 2;
                    double startFreq = m.FreqUp - bw;
                    double endFreq = m.FreqUp + bw;
                    var dxSignale = ch.DxSignals.FirstOrDefault(m => m.FreqUp >= startFreq && m.FreqUp <= endFreq);
                    if (dxSignale != null)
                    {
                        item.DxSigOption = dxSignale;
                        item.IsTpdx = true;//是否做同频对消
                    }
                    return item;
                }).ToArray();


                bool success;
                try
                {
                    var ddcSigList = ddcItems.Select(m => new DdcSigItem(m.Ffc, m.Mutil)).ToList();
                    var ddcResult = await DdcUtil.ExecAsync(sourceFile, fsad, options.StorePath, ddcSigList, options.Real, options.UseGpuDdc, token);
                    success = ddcResult.ExitCode == 0;
                    if (ddcResult.ExitCode != 0)
                    {
                        IpsLogger.Error($"信道化失败,{ddcResult.ExitMsg}");
                        break;
                    }
                    foreach (var sig in ddcItems)
                    {
                        string ddcFileName = Path.Combine(options.StorePath, $"{sig.Ffc}_{sig.Mutil}.dat");


                        //AdcFile fileItem = new AdcFile(options.StartTime, ch.ChNum, sig.SigOption.FreqPoint, sig.SigOption.BandWidth, sig.SigOption.SigName);
                        var fs = SigCalcUtil.CalcFs(options.ClockFreq, sig.SigOption.BandWidth, options.Mutil);
                        if (sig.IsTpdx)
                        {
                            var fc = sig.DxSigOption.FreqUp - sig.SigOption.FreqUp;
                            var dxsigItem = new DxSigItem(fc, sig.DxSigOption.BandWidth, fs, sig.DxSigOption.Mod);
                            IpsLogger.Info($"频点:{sig.SigOption.FreqUp}-{ddcFileName}执行同频对消开始");
                            string outFile = await TpdxUtil.ExecAsync(ddcFileName, options.StorePath, dxsigItem, options.UseGpuDdc, token);
                            ddcFileName = outFile;
                            IpsLogger.Info($"执行同频对消结束{ddcFileName}");
                        }

                        SignalFile fileItem = SignalFile.Create(options.StartTime, sig.SigOption.FreqUp, sig.SigOption.BandWidth, fs, ch.SiteCode, ch.AdcCode, ch.ChNum, sig.SigOption.SigName);
                        string targetFile = fileItem.GetLocalFullName(options.StorePath);
                        DirectoryUtil.CreateIfNotExists(Path.GetDirectoryName(targetFile));
                        File.Move(ddcFileName, targetFile, true);
                        adcResult.FileList.Add(fileItem);
                    }
                    FileUtil.DeleteIfExists(sourceFile);
                }
                catch (Exception ex)
                {
                    IpsLogger.Error($"信道化失败",ex);
                }
            }
            return adcResult;
        }

        public static Task<AdcResult> BuildDdcResult_dll(AdcOptions options, Func<AdcOptions, int, string> getSrcFileName, CancellationToken token = default)
        {
            options.StartTime = options.StartTime.ClearMillisecond();
            var adcResult = new AdcResult(options.StartTime, options.StorePath);
            foreach (var ch in options.Channels)
            {
                string sourceFile = getSrcFileName(options, ch.ChNum);
                if (!File.Exists(sourceFile))
                {
                    IpsLogger.Warn($"信道化采集失败，文件[{sourceFile}]不存在！");
                    continue;
                }

                var fsad = options.ClockFreq / options.Mutil;

                var ptr = DdcInterop.InitDDC(fsad, sourceFile, options.StorePath);

                var ddcItems = ch.Signals.Select(m =>
                {
                    var ffc = ch.CenterFreq - m.FreqPoint;
                    var mutil = SigCalcUtil.CalcMutil(fsad, m.BandWidth, false);
                    var item = new DdcSignalItem(m, ffc, mutil);
                    return item;
                }).ToArray();
                var ffcs = ddcItems.Select(m => m.Ffc).ToArray();
                var mutils = ddcItems.Select(m => m.Mutil).ToArray();
                bool success;
                try
                {
                    success = DdcInterop.AddSignals(ptr, ffcs, mutils, ffcs.Length);
                    if (!success)
                    {
                        IpsLogger.Warn($"信道化失败，频点超出范围！");
                        continue;
                    }
                    DdcInterop.Start(ptr);

                    foreach (var sig in ddcItems)
                    {
                        string ddcFileName = Path.Combine(options.StorePath, $"{sig.Ffc}_{sig.Mutil}.dat");
                        //AdcFile fileItem = new AdcFile(options.StartTime, ch.ChNum, sig.SigOption.FreqPoint, sig.SigOption.BandWidth, sig.SigOption.SigName);
                        var fs = SigCalcUtil.CalcFs(options.ClockFreq, sig.SigOption.BandWidth, options.Mutil);
                        SignalFile fileItem = SignalFile.Create(options.StartTime, sig.SigOption.FreqUp, sig.SigOption.BandWidth, fs, ch.SiteCode, ch.AdcCode, ch.ChNum, sig.SigOption.SigName);
                        if (sig.SigOption.FreqUp == 0)
                        {
                            string targetFile = fileItem.GetLocalFullName(options.StorePath);
                            DirectoryUtil.CreateIfNotExists(Path.GetDirectoryName(targetFile));
                            File.Move(ddcFileName, targetFile, true);
                        }
                        adcResult.FileList.Add(fileItem);
                    }
                    FileUtil.DeleteIfExists(sourceFile);
                }
                catch (Exception ex)
                {
                    IpsLogger.Error($"信道化失败",ex);
                }
                finally
                {
                    DdcInterop.FreeDDC(ptr);
                }
            }
            return Task.FromResult(adcResult);
        }

        public static AdcResult BuildDdcResult(AdcOptions options, Func<AdcOptions, AdcChOptions, AdcSigOptions, string> getSrcFileName)
        {
            options.StartTime = options.StartTime.ClearMillisecond();
            var adcResult = new AdcResult(options.StartTime, options.StorePath);
            foreach (var ch in options.Channels)
            {
                foreach (var sig in ch.Signals)
                {
                    string sourceFile = getSrcFileName(options, ch, sig);
                    if (!File.Exists(sourceFile)) continue;
                    //AdcFile fileItem = new AdcFile(options.StartTime, ch.ChNum, sig.FreqPoint, sig.BandWidth, sig.SigName);
                    var fs = SigCalcUtil.CalcFs(options.ClockFreq, sig.BandWidth, options.Mutil);
                    SignalFile fileItem = SignalFile.Create(options.StartTime, sig.FreqUp, sig.BandWidth, fs, ch.SiteCode, ch.AdcCode, ch.ChNum, sig.SigName);
                    if (sig.FreqUp == 0)
                    {
                        string targetFile = fileItem.GetLocalFullName(options.StorePath);
                        DirectoryUtil.CreateIfNotExists(Path.GetDirectoryName(targetFile));
                        File.Move(sourceFile, targetFile, true);
                    }
                    adcResult.FileList.Add(fileItem);
                }
            }
            return adcResult;
        }
    }
}