#if !NET472
using System.Runtime.Versioning;
#endif

namespace RhSolutions.Services;

public static class WorksheetValidator
{
    public static Dictionary<string, Range> HeaderCells { get; private set; }

    public static void Validate(this Worksheet worksheet)
    {
        Range headerRow = null;
        HeaderCells = new();
        var headers = RhSolutionsAddIn.Configuration.GetPriceListHeaders();

        foreach (var kvp in headers)
        {
            Range cell;

            if (headerRow == null)
            {
                cell = worksheet.Cells.Find(kvp.Value);
                if (cell == null)
                {
                    continue;
                }
                headerRow = cell.EntireRow;
            }
            else
            {
                cell = headerRow.Cells.Find(kvp.Value);
            }

            if (HeaderCells.ContainsKey(kvp.Key))
            {
                HeaderCells[kvp.Key] = cell;
            }
            else
            {
                HeaderCells.Add(kvp.Key, cell);
            }
        }
    }

    public static bool IsValid()
    {
        return HeaderCells.Count >= RhSolutionsAddIn.Configuration.GetPriceListHeaders().Count - 1;
    }
}