using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using System.Threading.Tasks;

namespace Ips.Library.Entity
{
    public class WqAdFileInfo
    {
        public WqAdFileInfo() { }

        public WqAdFileInfo(DateTime sigTime, string satCode, double upFreq, double downFreq, int fs, int chNum, string storePath = "")
        {
            
            SigTime = sigTime;
            SatCode = satCode;
            UpFreq = upFreq;
            DownFreq = downFreq;
            Fs = fs;
            ChNum = chNum;
            StorePath = storePath;
        }

        /// <summary>
        /// 信号时间
        /// </summary>
        public DateTime SigTime { get; set; }

        /// <summary>
        /// 站点编码
        /// </summary>
        public string AntCode { get; set; }

        /// <summary>
        /// 卫星编码
        /// </summary>
        public string SatCode { get; set; }

        /// <summary>
        /// 上行频点(MHz)
        /// </summary>
        public double UpFreq { get; set; }

        /// <summary>
        /// 下行频点(MHz)
        /// </summary>
        public double DownFreq { get; set; }

        /// <summary>
        /// 采样率
        /// </summary>
        public int Fs { get; set; }

        /// <summary>
        /// 通道编号
        /// </summary>
        public int ChNum { get; set; }

        /// <summary>
        /// 文件存储路径
        /// </summary>
        public string StorePath { get; set; } = "";

        public string FullName
        {
            get => Path.Combine(StorePath, FolderName, FileName);
        }

        public string FolderName => $"{SigTime:yyyyMMdd_HH}";

        public string FileName => $"{SigTime:yyyyMMddHHmmss}_{SatCode}_{UpFreq:F3}MHz_{DownFreq:F3}MHz_C{Fs}_CH{ChNum}.dat";

        public override string ToString()
        {
            return FullName;
        }

        public static Regex DefaultAdFileNameRegex = new Regex(@"^(\d{14})_(.*)_(\d+\.\d+)MHz_(\d+\.\d+)MHz_C(\d+)_CH(\d+)$");

        public static WqAdFileInfo Parse(string fileName)
        {
            if (string.IsNullOrWhiteSpace(fileName)) return null;
            fileName = Path.GetFileNameWithoutExtension(fileName);
            var matchRes = DefaultAdFileNameRegex.Match(fileName);
            if (!matchRes.Success) return null;
            var result = new WqAdFileInfo();
            int i = 1;
            result.SigTime = DateTime.ParseExact(matchRes.Groups[i++].Value, "yyyyMMddHHmmss", null);
            result.SatCode = matchRes.Groups[i++].Value;
            result.UpFreq = double.Parse(matchRes.Groups[i++].Value);
            result.DownFreq = double.Parse(matchRes.Groups[i++].Value);
            result.Fs = int.Parse(matchRes.Groups[i++].Value);
            result.ChNum = int.Parse(matchRes.Groups[i++].Value);

            return result;
        }
    }

    //public class AdFileResult
    //{
    //    /// <summary>
    //    /// 开始时间
    //    /// </summary>
    //    public DateTime StartTime { get; set; }

    //    /// <summary>
    //    /// 通道号
    //    /// </summary>
    //    public int ChNum { get; set; }

    //    /// <summary>
    //    /// 卫星编码
    //    /// </summary>
    //    public string SatCode { get; set; }

    //    /// <summary>
    //    /// 上行频点，Hz
    //    /// </summary>
    //    public long UpFreq { get; set; }

    //    /// <summary>
    //    /// 下行频点，Hz
    //    /// </summary>
    //    public long DownFreq { get; set; }

    //    /// <summary>
    //    /// 信号带宽，Hz
    //    /// </summary>
    //    public int BandWidth { get; set; }

    //    /// <summary>
    //    /// 采集卡抽取倍数
    //    /// </summary>
    //    public int Mutil { get; set; }

    //    /// <summary>
    //    /// DDC抽取倍数
    //    /// </summary>
    //    public int DDCMutil { get; set; }

    //    /// <summary>
    //    /// 采样率
    //    /// </summary>
    //    public int Fs { get; set; }

    //    /// <summary>
    //    /// 文件夹
    //    /// </summary>
    //    public string FolderName { get; set; }

    //    /// <summary>
    //    /// 文件名
    //    /// </summary>
    //    public string FileName { get; set; }
    //}
}