using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices;
using System.Text;
using System.Threading.Tasks;
//using Excel = Microsoft.Office.Interop.Excel;
using System.Reflection;
namespace NewsCrawler
{
	public class ExcelHandler
	{
		bool m_bAvailable = true;
		string m_strFileName = "";
		string m_strToday = DateTime.Now.ToString("yyyy-MM-dd");

		public ExcelHandler(string strFileName)
		{
			m_strFileName = strFileName;
		}

		public bool IsAvailable()
		{
			return m_bAvailable;
		}

		private void Create()
		{
			//try
			//{
			//	Excel.Application App = new Excel.Application();
			//	if(App == null)
			//	{
			//		Util.Log(Util.LOG_TYPE.ERROR, "엑셀이 설치되지 않음");
			//		m_bAvailable = false;
			//		return;
			//	}

			//	Excel._Workbook Workbook = App.Workbooks.Add(Missing.Value);
			//	Excel._Worksheet Worksheet = Workbook.ActiveSheet;

			//	Worksheet.Cells[1, 1] = "날짜";
			//	Worksheet.Cells[1, 2] = "기사 시간";
			//	Worksheet.Cells[1, 3] = "받은 시간";
			//	Worksheet.Cells[1, 4] = "출처";
			//	Worksheet.Cells[1, 5] = "제목";
			//	Worksheet.Cells[1, 6] = "요청 시간";
			//	Worksheet.Cells[1, 7] = "시가";
			//	Worksheet.Cells[1, 8] = "저가";
			//	Worksheet.Cells[1, 9] = "대비";
			//	Worksheet.Cells[1, 10] = "고가";
			//	Worksheet.Cells[1, 11] = "대비";
			//	Worksheet.Cells[1, 12] = "링크";

			//	Workbook.SaveAs(m_strFileName, Excel.XlFileFormat.xlOpenXMLWorkbook, Missing.Value,
			//		Missing.Value, false, false, Excel.XlSaveAsAccessMode.xlNoChange,
			//		Excel.XlSaveConflictResolution.xlUserResolution, true,
			//		Missing.Value, Missing.Value, Missing.Value);
			//	Workbook.Close();
			//}
			//catch(Exception ex)
			//{
			//	Console.WriteLine(ex.Message + Environment.NewLine + ex.StackTrace);
			//}

			string strMessage = "날짜, 기사 시간, 받은 시간, 요청 시간, 출처, 제목, 종목명, 시가, 저가, 대비, 고가, 대비, 링크";
			File.AppendAllText(m_strFileName, strMessage+Environment.NewLine, new UTF8Encoding(true));
		}

		public bool AddRow(string strNewsTime, string strResTime, float fReqTime, string strRef, string strTitle, string strCodeName, 
			int iPriceS, int iPriceLow, float fPriceLowP, int iPriceHigh, float fPriceHighP, string strLink)
		{
			lock(this)
			{
				if(m_bAvailable == false)
					return false;

				if(File.Exists(m_strFileName) == false)
					Create();

				string strMessage = string.Format("{0}, {1}, {2}, {3}, {4}, {5}, {6}, {7:n0}, {8:n0}, {9:n2}, {10:n0}, {11:n2}, {12}",
					m_strToday, strNewsTime, strResTime, fReqTime, strRef, strTitle.Replace(",", "\\,"), strCodeName,
					iPriceS, iPriceLow, fPriceLowP, iPriceHigh, fPriceHighP, strLink);
				File.AppendAllText(m_strFileName, strMessage+Environment.NewLine, new UTF8Encoding(true));

				//try
				//{
				//	Excel.Application App = new Excel.Application();
				//	if(App == null)
				//	{
				//		Util.Log(Util.LOG_TYPE.ERROR, "엑셀이 설치되지 않음");
				//		m_bAvailable = false;
				//		return false;
				//	}
				//	App.DisplayAlerts = false;

				//	Excel._Workbook Workbook = App.Workbooks.Open(m_strFileName);
				//	Excel._Worksheet Worksheet = Workbook.ActiveSheet;

				//	int iRow = Worksheet.Cells.SpecialCells(Excel.XlCellType.xlCellTypeLastCell, Type.Missing).Row+1;
				//	Worksheet.Cells[iRow, 1] = m_strToday;
				//	Worksheet.Cells[iRow, 2] = strNewsTime;
				//	Worksheet.Cells[iRow, 3] = strResTime;
				//	Worksheet.Cells[iRow, 4] = strRef;
				//	Worksheet.Cells[iRow, 5] = strTitle;
				//	Worksheet.Cells[iRow, 6] = fReqTime;
				//	Worksheet.Cells[iRow, 7] = iPriceS;
				//	Worksheet.Cells[iRow, 8] = iPriceLow;
				//	Worksheet.Cells[iRow, 9] = fPriceLowP;
				//	Worksheet.Cells[iRow, 10] = iPriceHigh;
				//	Worksheet.Cells[iRow, 11] = fPriceHighP;
				//	Worksheet.Cells[iRow, 12] = strLink;

				//	Workbook.Save();
				//	Workbook.Close();
				//}
				//catch(Exception ex)
				//{
				//	Console.WriteLine(ex.Message + Environment.NewLine + ex.StackTrace);
				//	return false;
				//}
			}

			return true;
		}
	}
}