// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
 
using System.Runtime;
 
namespace System.ServiceModel.Channels
{
    public sealed class TcpConnectionPoolSettings
    {
        private string _groupName;
        private TimeSpan _idleTimeout;
        private TimeSpan _leaseTimeout;
        private int _maxOutboundConnectionsPerEndpoint;
 
        internal TcpConnectionPoolSettings()
        {
            _groupName = ConnectionOrientedTransportDefaults.ConnectionPoolGroupName;
            _idleTimeout = ConnectionOrientedTransportDefaults.IdleTimeout;
            _leaseTimeout = TcpTransportDefaults.ConnectionLeaseTimeout;
            _maxOutboundConnectionsPerEndpoint = ConnectionOrientedTransportDefaults.MaxOutboundConnectionsPerEndpoint;
        }
 
        internal TcpConnectionPoolSettings(TcpConnectionPoolSettings tcp)
        {
            _groupName = tcp._groupName;
            _idleTimeout = tcp._idleTimeout;
            _leaseTimeout = tcp._leaseTimeout;
            _maxOutboundConnectionsPerEndpoint = tcp._maxOutboundConnectionsPerEndpoint;
        }
 
        public string GroupName
        {
            get { return _groupName; }
            set
            {
                _groupName = value ?? throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull(nameof(value));
            }
        }
 
        public TimeSpan IdleTimeout
        {
            get { return _idleTimeout; }
            set
            {
                if (value < TimeSpan.Zero)
                {
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException(nameof(value), value,
                        SR.SFxTimeoutOutOfRange0));
                }
 
                if (TimeoutHelper.IsTooLarge(value))
                {
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException(nameof(value), value,
                        SR.SFxTimeoutOutOfRangeTooBig));
                }
 
                _idleTimeout = value;
            }
        }
 
        public TimeSpan LeaseTimeout
        {
            get { return _leaseTimeout; }
            set
            {
                if (value < TimeSpan.Zero)
                {
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException(nameof(value), value,
                        SR.SFxTimeoutOutOfRange0));
                }
 
                if (TimeoutHelper.IsTooLarge(value))
                {
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException(nameof(value), value,
                        SR.SFxTimeoutOutOfRangeTooBig));
                }
 
                _leaseTimeout = value;
            }
        }
 
        public int MaxOutboundConnectionsPerEndpoint
        {
            get { return _maxOutboundConnectionsPerEndpoint; }
            set
            {
                if (value < 0)
                {
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException(nameof(value), value,
                        SR.ValueMustBeNonNegative));
                }
 
                _maxOutboundConnectionsPerEndpoint = value;
            }
        }
 
        internal TcpConnectionPoolSettings Clone()
        {
            return new TcpConnectionPoolSettings(this);
        }
 
        internal bool IsMatch(TcpConnectionPoolSettings tcp)
        {
            if (_groupName != tcp._groupName)
            {
                return false;
            }
 
            if (_idleTimeout != tcp._idleTimeout)
            {
                return false;
            }
 
            if (_leaseTimeout != tcp._leaseTimeout)
            {
                return false;
            }
 
            if (_maxOutboundConnectionsPerEndpoint != tcp._maxOutboundConnectionsPerEndpoint)
            {
                return false;
            }
 
            return true;
        }
    }
}