using System;
using System.Data;
using System.IO;
using System.Windows;

namespace AuroraLaserScanner.Utils
{
    internal class CSVUtils
    {
        public static void ExportToCSV(string path, DataTable table)
        {
            if (path.Substring(path.Length - 4, 4).Contains(".csv") == false) {
                path += ".csv";
            }

            try {
                if (Directory.Exists(Path.GetDirectoryName(path)) == false) {
                    Directory.CreateDirectory(Path.GetDirectoryName(path));
                }

                StreamWriter sw = new StreamWriter(path, false);

                string columnHeader = "";

                for (int i = 0; i < table.Columns.Count; i++) {
                    columnHeader += table.Columns[i].ColumnName + (i != table.Columns.Count - 1 ? ", " : "");
                }
                sw.WriteLine(columnHeader);

                string strText;

                for (int i = 0; i < table.Rows.Count; i++) {
                    strText = "";

                    for (int j = 0; j < table.Columns.Count; j++) {
                        strText += table.Rows[i][j].ToString() + ",";

                    }
                    sw.WriteLine(strText);
                }

                sw.Close();
            } catch (Exception ex) {
                MessageBox.Show(string.Format("fail to save csv file.\n{0}", ex.Message));
            }
        }
        public static void ExportToLDDFileCSV(string path, DataTable table)
        {
            if (path.Substring(path.Length - 4, 4).Contains(".csv") == false) {
                path += ".csv";
            }

            try {
                if (Directory.Exists(Path.GetDirectoryName(path)) == false) {
                    Directory.CreateDirectory(Path.GetDirectoryName(path));
                }

                StreamWriter sw = new StreamWriter(path, false);

                //우선 선언해두고 다른데서 받아오는걸로 변경하자
                double dLDDFileVersion = 1.0;
                string sLDDFileType = "Path Coordinates";
                double dLDDRecordTime = 0.00001;
                sw.WriteLine($"File Version: {dLDDFileVersion}");
                sw.WriteLine($"File Type: {sLDDFileType}");
                sw.WriteLine($"Timebase (s): {dLDDRecordTime.ToString("F6")}");
                sw.WriteLine();

                string columnHeader = "";

                for (int i = 0; i < table.Columns.Count; i++) {
                    columnHeader += table.Columns[i].ColumnName + (i != table.Columns.Count - 1 ? ", " : "");
                }
                sw.WriteLine(columnHeader);

                string strText;

                for (int i = 0; i < table.Rows.Count; i++) {
                    strText = "";

                    for (int j = 0; j < table.Columns.Count; j++) {
                        strText += table.Rows[i][j].ToString() + ",";

                    }
                    sw.WriteLine(strText);
                }

                sw.Close();
            } catch (Exception ex) {
                MessageBox.Show(string.Format("fail to save csv file.\n{0}", ex.Message));
            }
        }
    }
}