using AdService.Controller.Dto;
using Newtonsoft.Json;

namespace AdService.Service
{
    /// <summary>
    /// 采集服务
    /// </summary>
    public class AdcService
    {
        /// <summary>
        /// 单例
        /// </summary>
        public static AdcService Instance { get; private set; } = new AdcService();

        private bool isBusy = false;

        //是否持续采集
        private bool isSustain = true;

        ILogger logger { get; set; }


        /// <summary>
        /// 启动采集(无采集卡)
        /// </summary>
        /// <param name="dtos"></param>
        /// <returns></returns>
        public async Task<AdcResultDto> StartTestAsync(List<AdSatChDto> dtos)
        {
            if (isBusy)
            {
                throw new Exception("上次采集未结束");
            }
            try
            {
                StreamReader sr = new StreamReader(Directory.GetCurrentDirectory() + "/appsettings.json");
                string json = sr.ReadToEnd();
                // 解析 JSON 字符串
                var adConfig = JsonConvert.DeserializeObject<AdConfig>(json);
                isBusy = true;
                string test = Path.Combine(Directory.GetCurrentDirectory(), "test.dat");//测试数据
                var bytes = File.ReadAllBytes(test);
                AdcResultDto adcResult = new AdcResultDto(DateTime.Now);

                await Task.Run(() =>
                {
                    while (isSustain)
                    {
                        List<SignalFile> signalFiles = new List<SignalFile>();
                        string addate = Path.Combine(adConfig.DataDir, DateTime.Now.ToString("yyyyMMdd_HH"));//20250307_10
                        Directory.CreateDirectory(addate);

                        foreach (var item in dtos)
                        {
                            var fsad = item.ClockFreq / item.Mutil;
                            SignalFile signal = new SignalFile()
                            {
                                ChNum = item.Channel,
                                Fs = (int)fsad,
                                SatInfoID = item.SatCode.ToString(),
                                SigTime = DateTime.Now,
                                DirName = adConfig.DataDir,
                            };
                            var fileName = String.Concat(signal.DateDirName+"_Sat",item.SatCode+"_CH",item.Channel+"_freq",fsad+".dat");

                            File.WriteAllBytes(Path.Combine(adConfig.DataDir, signal.DateDirName, fileName), bytes);

                            signalFiles.Add(signal);
                        }
                        Thread.Sleep(1000 * 15);
                    }

                });
                return adcResult;
            }
            finally
            {
                await Task.Delay(5000);
                isBusy = false;
            }

        }


        /// <summary>
        /// 停止采集
        /// </summary>
        public void StopAd()
        {
            isSustain = false;
        }


    }
}