using System;

using Org.BouncyCastle.Tls.Crypto;

namespace Org.BouncyCastle.Tls
{
    public abstract class DefaultTlsClient
        : AbstractTlsClient
    {
        private static readonly int[] DefaultCipherSuites = new int[]
        {
            /*
             * TODO[tls13] TLS 1.3
             */
            //CipherSuite.TLS_CHACHA20_POLY1305_SHA256,
            //CipherSuite.TLS_AES_128_GCM_SHA256,

            /*
             * pre-TLS 1.3
             */
            CipherSuite.TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305_SHA256,
            CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
            CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA256,
            CipherSuite.TLS_ECDHE_ECDSA_WITH_AES_128_CBC_SHA,
            CipherSuite.TLS_ECDHE_RSA_WITH_CHACHA20_POLY1305_SHA256,
            CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256,
            CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256,
            CipherSuite.TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA,
            CipherSuite.TLS_DHE_RSA_WITH_CHACHA20_POLY1305_SHA256,
            CipherSuite.TLS_DHE_RSA_WITH_AES_128_GCM_SHA256,
            CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA256,
            CipherSuite.TLS_DHE_RSA_WITH_AES_128_CBC_SHA,
            CipherSuite.TLS_RSA_WITH_AES_128_GCM_SHA256,
            CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA256,
            CipherSuite.TLS_RSA_WITH_AES_128_CBC_SHA,
        };

        public DefaultTlsClient(TlsCrypto crypto)
            : base(crypto)
        {
        }

        protected override int[] GetSupportedCipherSuites()
        {
            return TlsUtilities.GetSupportedCipherSuites(Crypto, DefaultCipherSuites);
        }
    }
}
