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

namespace CnasSynchronusDAL
{
    public class ReadFileThirdth : BaseReadFileMode
    {
        private static int ColumnCount = 10;
        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 == 10)
                        {
                            DataRow dr = dt.NewRow();
                            
                            DateTime dtTime = DateTime.ParseExact(string.Concat(strFilePath.Substring(strFilePath.Length - 21, 21).Take(14)), "yyyyMMddHHmmss", new System.Globalization.CultureInfo("zh-CN", true));
                            dr["Date"] = dtTime.ToString("yyyy-MM-dd HH:mm:ss");
                            for (int j = 0; j < strRowDatas.Length; j++)
                            {
                                dr[$"F{j + 1}"] = strRowDatas[j].Trim();
                            }
                            dt.Rows.Add(dr);
                        }

                        if (strRowDatas.Length == 9)  //内容中可能存在数据连接在一起的情况
                        {
                            DataRow dr = dt.NewRow();

                            DateTime dtTime = DateTime.ParseExact(string.Concat(strFilePath.Substring(strFilePath.Length - 21, 21).Take(14)), "yyyyMMddHHmmss", new System.Globalization.CultureInfo("zh-CN", true));
                            dr["Date"] = dtTime.ToString("yyyy-MM-dd HH:mm:ss");
                            int index = 0;
                            for (int j = 0; j < strRowDatas.Length; j++)
                            {
                                string strCurrentString = strRowDatas[j].Trim();
                                if (System.Text.RegularExpressions.Regex.IsMatch(strCurrentString, @"[\u4e00-\u9fa5]"))
                                {
                                    var strArray = strCurrentString.ToCharArray();
                                    string strString = "";
                                    for (int indexs = 0; indexs < strArray.Length; indexs++)
                                    {
                                        if (strArray[indexs] >= 0x4e00 && strArray[indexs] <= 0x9fa5)
                                            break;
                                        strString += strArray[indexs];
                                    }

                                    dr[$"F{index + 1}"] = strString;
                                    index++;

                                    dr[$"F{index + 1}"]=strCurrentString.Replace(strString,"").Trim();
                                    index++;
                                }
                                else
                                {
                                    dr[$"F{index + 1}"] = strRowDatas[j].Trim();
                                    index++;
                                }                              
                            }
                            dt.Rows.Add(dr);
                        }
                    }
                }
            }
            catch (Exception ex)
            {
                AppLog.Error(ex.Message);
            }
            return dt;
        }
    }
}