// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
 
using System.ComponentModel;
using System.ServiceModel.Channels;
 
namespace System.ServiceModel
{
    // The only purpose in life for these classes is so that, on standard bindings, you can say
    //     binding.ReliableSession.Ordered
    //     binding.ReliableSession.InactivityTimeout
    //     binding.ReliableSession.Enabled
    // where these properties are "bucketized" all under .ReliableSession, which makes them easier to 
    // discover/Intellisense
    public class ReliableSession
    {
        ReliableSessionBindingElement _element;
 
        public ReliableSession()
        {
            _element = new ReliableSessionBindingElement();
        }
 
        public ReliableSession(ReliableSessionBindingElement reliableSessionBindingElement)
        {
            if (reliableSessionBindingElement == null)
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull(nameof(reliableSessionBindingElement));
            _element = reliableSessionBindingElement;
        }
 
        [DefaultValue(ReliableSessionDefaults.Ordered)]
        public bool Ordered
        {
            get { return _element.Ordered; }
            set { _element.Ordered = value; }
        }
 
        public TimeSpan InactivityTimeout
        {
            get { return _element.InactivityTimeout; }
            set
            {
                if (value <= TimeSpan.Zero)
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException(nameof(value), value,
                                                    SRP.ValueMustBePositive));
 
                _element.InactivityTimeout = value;
            }
        }
 
        internal void CopySettings(ReliableSession copyFrom)
        {
            Ordered = copyFrom.Ordered;
            InactivityTimeout = copyFrom.InactivityTimeout;
        }
    }
 
    public class OptionalReliableSession : ReliableSession
    {
        public OptionalReliableSession() : base() { }
 
        public OptionalReliableSession(ReliableSessionBindingElement reliableSessionBindingElement) : base(reliableSessionBindingElement) { }
 
        // We don't include DefaultValue here because this defaults to false, so omitting it would make the XAML somewhat misleading
        public bool Enabled { get; set; }
 
        internal void CopySettings(OptionalReliableSession copyFrom)
        {
            base.CopySettings(copyFrom);
            Enabled = copyFrom.Enabled;
        }
    }
}