123123/ZA.CoreService.ESBCertificateManager/Services/SonicErrorClassifier.cs

namespace ZA.CoreService.ESBCertificateManager.Services;

/// <summary>
/// Erkennt typische Sonic-/MfApi-Fehlermeldungen und liefert
/// verständliche Hinweise für die UI.
/// </summary>
public static class SonicErrorClassifier
{
    private static readonly string[] PermissionMarkers =
    [
        "ManagePermissionDenied",
        "ConfigurePermissionDenied",
        "ManagementPermissionDenied",
        "PermissionDenied",
        "MFSecurityException",
        "SecurityException",
        "Access is denied",
        "Access denied",
        "not authorized",
        "nicht autorisiert",
        "permission denied",
        "keine Berechtigung",
        "Insufficient privileges",
        "Unauthorized"
    ];

    public static bool LooksLikeMissingPermission(string? text)
    {
        if (string.IsNullOrWhiteSpace(text))
        {
            return false;
        }

        foreach (string marker in PermissionMarkers)
        {
            if (text.Contains(marker, StringComparison.OrdinalIgnoreCase))
            {
                return true;
            }
        }

        return false;
    }

    public static string PermissionDeniedUserMessage =>
        "Keine Rechte für den Neustart.\n\n"
        + "Der hinterlegte Sonic-Benutzer darf diesen Container "
        + "nicht neu starten (Manage-/Restart-Recht fehlt).\n\n"
        + "Bitte in der Sonic Management Console die Rechte prüfen "
        + "oder ein Profil mit ausreichenden Rechten verwenden.";

    public static string FormatRestartFailure(
        string? status,
        string? detail)
    {
        string combined = string.Join(
            Environment.NewLine,
            new[] { status, detail }
                .Where(value => !string.IsNullOrWhiteSpace(value)));

        if (LooksLikeMissingPermission(combined))
        {
            return PermissionDeniedUserMessage
                + Environment.NewLine
                + Environment.NewLine
                + "--- Technische Details ---"
                + Environment.NewLine
                + combined;
        }

        return string.IsNullOrWhiteSpace(combined)
            ? "Neustart fehlgeschlagen (keine Details)."
            : combined;
    }
}