//-----------------------------------------------------------------------------
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------------------------

namespace System.ServiceModel.Channels
{
    using System.Net.Security;

    class SecurityCapabilities : ISecurityCapabilities
    {
        internal bool supportsServerAuth;
        internal bool supportsClientAuth;
        internal bool supportsClientWindowsIdentity;
        internal ProtectionLevel requestProtectionLevel;
        internal ProtectionLevel responseProtectionLevel;

        public SecurityCapabilities(bool supportsClientAuth, bool supportsServerAuth, bool supportsClientWindowsIdentity,
            ProtectionLevel requestProtectionLevel, ProtectionLevel responseProtectionLevel)
        {
            this.supportsClientAuth = supportsClientAuth;
            this.supportsServerAuth = supportsServerAuth;
            this.supportsClientWindowsIdentity = supportsClientWindowsIdentity;
            this.requestProtectionLevel = requestProtectionLevel;
            this.responseProtectionLevel = responseProtectionLevel;
        }

        public ProtectionLevel SupportedRequestProtectionLevel { get { return requestProtectionLevel; } }
        public ProtectionLevel SupportedResponseProtectionLevel { get { return responseProtectionLevel; } }
        public bool SupportsClientAuthentication { get { return supportsClientAuth; } }
        public bool SupportsClientWindowsIdentity { get { return supportsClientWindowsIdentity; } }
        public bool SupportsServerAuthentication { get { return supportsServerAuth; } }

        static SecurityCapabilities None
        {
            get { return new SecurityCapabilities(false, false, false, ProtectionLevel.None, ProtectionLevel.None); }
        }

        internal static bool IsEqual(ISecurityCapabilities capabilities1, ISecurityCapabilities capabilities2)
        {
            if (capabilities1 == null)
            {
                capabilities1 = SecurityCapabilities.None;
            }

            if (capabilities2 == null)
            {
                capabilities2 = SecurityCapabilities.None;
            }

            if (capabilities1.SupportedRequestProtectionLevel != capabilities2.SupportedRequestProtectionLevel)
            {
                return false;
            }

            if (capabilities1.SupportedResponseProtectionLevel != capabilities2.SupportedResponseProtectionLevel)
            {
                return false;
            }

            if (capabilities1.SupportsClientAuthentication != capabilities2.SupportsClientAuthentication)
            {
                return false;
            }

            if (capabilities1.SupportsClientWindowsIdentity != capabilities2.SupportsClientWindowsIdentity)
            {
                return false;
            }

            if (capabilities1.SupportsServerAuthentication != capabilities2.SupportsServerAuthentication)
            {
                return false;
            }

            return true;
        }
    }
}