using BaseFunction;
using NSAnalysis.DAL;
using System;
using System.Data;
using System.Data.SqlClient;
using System.IO;

namespace NSAnalysis.BaseUnit
{
	public class FileSorter
	{
		public TMeasureMSSQLDAL tmdal = new TMeasureMSSQLDAL();

		//定义读取的位置
		public int readRowIndex = 2; // 默认读取第3行（从0开始计数）

		public int readColIndex = 1; // 默认读取第2列（从0开始计数）

		public FileSorter()
		{
		}

		public void ProcessFiles()
		{
			var tasks = GetTaskRecords();
			foreach (DataRow task in tasks.Rows)
			{
				string sourceDir = task["sourceFile"].ToString();
				string targetDir = task["targetFile"].ToString();
				string modelCode = task["modelsCode"].ToString();
				string position = task["position"].ToString();

				string matchStr = $"{modelCode}_{position}";
				// 打印信息
				MyBase.TraceWriteLine($"Processing Task - Source: {sourceDir}, Target: {targetDir}, ModelCode: {modelCode} Position: {position} matchStr: {matchStr} ");
				if (Directory.Exists(sourceDir))
				{
					

					ProcessDirectory(sourceDir, targetDir, matchStr);
				}
				else
				{
					MyBase.TraceWriteLine($"Source directory does not exist: {sourceDir}");
				}

			}
		}

		private DataTable GetTaskRecords()
		{
			SQLHelper.connStr = DatabaseDfn.SqlConnectStr();
			DataTable dt = tmdal.SelectTaskByCondition("", "", "start");

			//打印 dt
			PrintDataTable(dt);
			if (dt == null || dt.Rows.Count == 0)
			{
				MyBase.TraceWriteLine("No tasks found.");
				return null;
			}
			return dt;
		}

		private void ProcessDirectory(string sourceDir, string targetDir, string modelCode)
		{
			// 确保目标目录存在
			if (!Directory.Exists(targetDir))
			{
				Directory.CreateDirectory(targetDir);
				MyBase.TraceWriteLine($"Created target directory: {targetDir}");
			}

			foreach (string file in Directory.GetFiles(sourceDir, "*.csv"))
			{
				// 打印正在处理的文件
				MyBase.TraceWriteLine($"Processing file: {file}");
				if (MatchCsvValue(file, modelCode, readRowIndex, readColIndex))
				{
					string destFile = Path.Combine(targetDir, Path.GetFileName(file));
					File.Move(file, destFile);
					MyBase.TraceWriteLine($"Moved: {file} -> {destFile}");
				}

				else
				{
					MyBase.TraceWriteLine($"No match for file: {file}");
				}
			}
		}

		/// <summary>
		/// 检查CSV文件中指定行列的字符串是否匹配目标值
		/// </summary>
		/// <param name="filePath">CSV文件路径</param>
		/// <param name="targetValue">要匹配的目标字符串</param>
		/// <param name="rowIndex">行索引(从0开始)</param>
		/// <param name="colIndex">列索引(从0开始)</param>
		/// <returns>匹配成功返回true，否则false</returns>
		public static bool MatchCsvValue(string filePath, string targetValue, int rowIndex, int colIndex)
		{
			try
			{
				string[] lines = File.ReadAllLines(filePath);

				// 检查行索引是否有效
				if (rowIndex < 0 || rowIndex >= lines.Length)
					return false;

				string[] columns = lines[rowIndex].Split(',');

				// 检查列索引是否有效
				if (colIndex < 0 || colIndex >= columns.Length)
					return false;

				return columns[colIndex].Trim().Equals(targetValue);
			}
			catch (Exception ex)
			{
				MyBase.TraceWriteLine($"处理CSV文件时出错: {ex.Message}");
				return false;
			}
		}

		public void test()
		{
			//SQLHelper.connStr = DatabaseDfn.SqlConnectStr();
			//string testPath = @"D:\CJLR\DATA\Input\LLL\K0902906.csv";
			//bool result = MatchCsvValue(testPath, "X540_L", 3, 1);
			//MyBase.TraceWriteLine($"匹配结果: {result}");
		}

		// 编写一个打印 DataTable 对象的方法，输入是对象
		public static void PrintDataTable(DataTable dt)
		{
			if (dt == null || dt.Rows.Count == 0)
			{
				MyBase.TraceWriteLine("DataTable is empty or null.");
				return;
			}
			foreach (DataColumn column in dt.Columns)
			{
				Console.Write($"{column.ColumnName}\t");
			}
			MyBase.TraceWriteLine("");
			foreach (DataRow row in dt.Rows)
			{
				foreach (var item in row.ItemArray)
				{
					Console.Write($"{item}\t");
				}
				MyBase.TraceWriteLine("");
			}
		}
	}
}