using Microsoft.Extensions.Logging;
using Microsoft.Office.Interop.Excel;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using _Excel = Microsoft.Office.Interop.Excel;

namespace WinFormDiApp.BLR;

public class Excellent : IDisposable, IExcellent
{

    public Excellent(ILogger<Excellent> logger)
    {
        _logger = logger;
    }

    string path = string.Empty;
    _Application excel = new Application();
    Workbook wb;
    Worksheet ws;
    private readonly ILogger<Excellent> _logger;

    public int Columns { get; set; }
    public int Rows { get; set; }

    public string DataType { get; set; }

    public void ExcellentStart(string path, int Sheet)
    {
        if (wb != null)
        {
            wb.Close();
        }
        this.path = path;
        wb = excel.Workbooks.Open(path);
        ws = wb.Worksheets[Sheet];
        _Excel.Range usedRange = ws.UsedRange;
        Columns = usedRange.Columns.Count;
        Rows = usedRange.Rows.Count;
    }

    public string ReadCell(int i, int j)
    {
        i++;
        j++;
        if (ws.Cells[i, j].Value2 != null)
        {
            _Excel.Range cell = ws.Cells[i, j];
            object value = cell.get_Value(Type.Missing);
            if (value != null)
            {
                Type type = value.GetType();
                DataType = type.Name;
                //Console.WriteLine($"Cell ({i},{j}) contains value of type {DataType}");
            }
            return Convert.ToString(ws.Cells[i, j].Value2);
        }
        return string.Empty;
    }

    public void Dispose()
    {
        excel.Workbooks.Close();
    }
}