namespace KronaStaffTerminal.Services;

public static class CsvCellEncoder
{
    public static string Encode(string? value)
    {
        var safe = value ?? string.Empty;
        var firstContent = safe.AsSpan().TrimStart();
        if (firstContent.Length > 0 && firstContent[0] is '=' or '+' or '-' or '@')
        {
            safe = "'" + safe;
        }
        else if (safe.Length > 0 && safe[0] is '\t' or '\r' or '\n')
        {
            safe = "'" + safe;
        }

        return $"\"{safe.Replace("\"", "\"\"")}\"";
    }
}