namespace ZA.CoreService.ESBCertificateManager.Services;

public static class PathResolver
{
    public static string ResolvePath(string path)
    {
        if (string.IsNullOrWhiteSpace(path))
        {
            return path;
        }

        if (Path.IsPathRooted(path))
        {
            return Path.GetFullPath(path);
        }

        return Path.GetFullPath(
            Path.Combine(
                AppContext.BaseDirectory,
                path));
    }

    public static string ResolveRequiredFile(
        string configuredPath,
        string description)
    {
        string resolvedPath =
            ResolvePath(configuredPath);

        if (!File.Exists(resolvedPath))
        {
            throw new FileNotFoundException(
                $"{description} wurde nicht gefunden.",
                resolvedPath);
        }

        return resolvedPath;
    }
}