using CnasSynchronousCommon;
using System;
using System.Collections.Generic;
using System.Data;
using System.IO;
using System.Linq;
using System.Text;

namespace CnasSynchronusDAL
{
   public class ReadFileFifth: BaseReadFileMode
    {
        private static int ColumnCount = 46;
        public static DataTable ReadTableStructure()
        {
            DataTable dt = new DataTable();
            dt.Columns.Add("Date");
            for (int i = 0; i < ColumnCount; i++)
            {
                dt.Columns.Add($"F{i+1}");
            }
            return dt;
        }

        internal static DataTable ReadTableData(string strFilePath)
        {
            DataTable dt = ReadTableStructure();
            try
            {
                List<string> arryList = new List<string>();
                if (File.Exists(strFilePath))
                {
                    FileStream fileStream = new FileStream(strFilePath, FileMode.Open, FileAccess.Read, FileShare.Read);
                    StreamReader _StreamReaderKey = new StreamReader(fileStream, GetType(strFilePath));
                    string strLine = "";
                    while (!string.IsNullOrEmpty((strLine = _StreamReaderKey.ReadLine())))
                    {
                        arryList.Add(strLine);
                    }

                    fileStream.Close();
                }

                if (arryList.Count > 0)
                {
                    for (int i = 0; i < arryList.Count; i++)
                    {
                        if (i == 0) continue;    //第一行不是数据行

                        string strData = arryList[i].Trim();
                        string[] strRowDatas = strData.Split(new string[] { " " }, StringSplitOptions.RemoveEmptyEntries);
                        if (strRowDatas.Length == 46)
                        {
                            DataRow dr = dt.NewRow();
                            dr["Date"] = DateTime.Now.ToString("yyMMdd");
                            for (int j = 0; j < strRowDatas.Length; j++)
                            {
                                dr[$"F{j+1}"]= strRowDatas[j].Trim();
                            }
                            dt.Rows.Add(dr);
                        }
                    }
                }
            }
            catch (Exception ex)
            {
                AppLog.Error(ex.Message);
            }
            return dt;
        }
    }
}