using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;

namespace IStation.DAL
{
    /// <summary>
    /// 曲线分析点包
    /// </summary>	
    public partial class CurveAnalyzePoint
    {
        /// <summary>
        ///  文件信息类
        /// </summary>
        private class FileInfo
        {
            public string FullName { get; set; }
            public int RecordCount { get; set; }
        }

        #region FolderInfo

        /// <summary>
        /// 查询年月
        /// </summary> 
        private bool GetFileInfo(string filePath, out long curveAnalyzeId, out int recordCount)
        {
            curveAnalyzeId = recordCount = 0;
            if (!File.Exists(filePath))
                return false;

            var name = Path.GetFileNameWithoutExtension(filePath);
            var strList = name.Split(Settings.File.FileNameSpacer);
            if (strList.Length != 2)
                return false;
            if (!long.TryParse(strList[0], out curveAnalyzeId))
            {
                return false;
            }
            if (!int.TryParse(strList[1], out recordCount))
            {
                return false;
            }

            return true;
        }

        /// <summary>
        /// 查询文件信息
        /// </summary> 
        private FileInfo GetCurveAnalyzePointFileInfo(string folder, long curveAnalyzeId)
        {
            if (!Directory.Exists(folder))
                return default;
            var files = Directory.GetFiles(folder);
            if (files == null || files.Count() < 1)
                return default;
            FileInfo info = null;
            foreach (var file in files)
            {
                if (!GetFileInfo(file, out long id, out int recordCount))
                    continue;
                if (id != curveAnalyzeId)
                    continue;
                info = new FileInfo
                {
                    FullName = file,
                    RecordCount = recordCount
                };
            }
            return info;
        }

        /// <summary>
        /// 查询文件信息
        /// </summary> 
        private List<FileInfo> GetCurveAnalyzePointFileInfoList(string folder, long curveAnalyzeId)
        {
            if (!Directory.Exists(folder))
                return default;
            var files = Directory.GetFiles(folder);
            if (files == null || files.Count() < 1)
                return default;
            List<FileInfo> list = new List<FileInfo>();
            foreach (var file in files)
            {
                if (!GetFileInfo(file, out long id, out int recordCount))
                    continue;
                if (id != curveAnalyzeId)
                    continue;
                list.Add(new FileInfo
                {
                    FullName = file,
                    RecordCount = recordCount
                });
            }
            return list;
        }

        #endregion

        #region CsvConvert
        //To
        public static string ToDsString(Model.CurveAnalyzePoint model)
        {
            var line =
                     $"{model.Time:yyyy-MM-dd HH:mm:ss}" +
                     $",{model.Q}" +
                     $",{model.P1}" +
                     $",{model.P2}" +
                     $",{model.H}" +
                     $",{model.P}" +
                     $",{model.E}" +
                     $",{model.N}" +
                     $",{model.HZ}" +
                     $",{model.Status}";

            return line;
        }

        //from
        public static Model.CurveAnalyzePoint FromDsString(string dsString)
        {
            var strList = dsString.Split(',');
            if (strList.Length < 2)
                return default;
            var model = new Model.CurveAnalyzePoint();
            model.Time = DateTime.Parse(strList[0]);
            model.Q = double.Parse(strList[1]);
            model.P1 = double.Parse(strList[2]);
            model.P2 = double.Parse(strList[3]);
            model.H = double.Parse(strList[4]);
            model.P = double.Parse(strList[5]);
            model.E = double.Parse(strList[6]);
            model.N = double.Parse(strList[7]);
            model.HZ = double.Parse(strList[8]);
            model.Status = int.Parse(strList[9]);
            return model;
        }

        #endregion

    }
}