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 * Copyright (c) 2005-2025 The OPC Foundation, Inc. All rights reserved.
 *
 * OPC Foundation MIT License 1.00
 *
 * Permission is hereby granted, free of charge, to any person
 * obtaining a copy of this software and associated documentation
 * files (the "Software"), to deal in the Software without
 * restriction, including without limitation the rights to use,
 * copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following
 * conditions:
 *
 * The above copyright notice and this permission notice shall be
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 * OTHER DEALINGS IN THE SOFTWARE.
 *
 * The complete license agreement can be found here:
 * http://opcfoundation.org/License/MIT/1.00/
 * ======================================================================*/

using System.IO;
using System.Threading.Tasks;

namespace Opc.Ua.Core.TestFramework
{
    /// <summary>
    /// Common utilities for tests.
    /// </summary>
    public static class TestUtils
    {
        public static string[] EnumerateTestAssets(string searchPattern)
        {
            string assetsPath = Utils.GetAbsoluteDirectoryPath("Assets", true, true, false)!;
            if (assetsPath != null)
            {
                return [.. Directory.EnumerateFiles(assetsPath, searchPattern)];
            }
            return [];
        }

        /// <summary>
        /// A common method to clean up the test trust list.
        /// </summary>
        public static async Task CleanupTrustListAsync(ICertificateStore store, bool dispose = true)
        {
            if (store != null)
            {
                using Security.Certificates.CertificateCollection certs
                    = await store
                    .EnumerateAsync()
                    .ConfigureAwait(false);
                foreach (Security.Certificates.Certificate cert in certs)
                {
                    await store.DeleteAsync(cert.Thumbprint).ConfigureAwait(false);
                }
                if (store.SupportsCRLs)
                {
                    Security.Certificates.X509CRLCollection crls = await store
                        .EnumerateCRLsAsync()
                        .ConfigureAwait(false);
                    foreach (Security.Certificates.X509CRL crl in crls)
                    {
                        await store.DeleteCRLAsync(crl).ConfigureAwait(false);
                    }
                }
                if (dispose)
                {
                    store.Dispose();
                }
            }
        }
    }
}