stitch-a-ton/WebApp/Coordinate.cs

namespace WebApp;

internal record Coordinate
{
    private static readonly string BasePath = Environment.GetEnvironmentVariable("ASSET_PATH_RO") ?? "";
    public string Name { get; }
    public int Row { get; }
    public int Col { get; }
    public string Path => BasePath + Name + ".png";

    public Coordinate(string name)
    {
        Name = name;
        int row = 0;
        int col = 0;
        foreach (var item in name)
        {
            if (item >= 'A')
            {
                row = row * 26 + (item - 'A' + 1);
            }
            else if (item >= '0')
            {
                col = col * 10 + (item - '0');
            }
        }

        Row = row;
        Col = col;
    }

    public Coordinate(int row, int col)
    {
        Row = row;
        Col = col;
        Name = Helper.ToLetters(row) + col;
    }

    public override string ToString()
    {
        return Name;
    }
}