/*
* Copyright (c) Contributors, http://opensimulator.org/
* See CONTRIBUTORS.TXT for a full list of copyright holders.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*     * Redistributions of source code must retain the above copyright
*       notice, this list of conditions and the following disclaimer.
*     * Redistributions in binary form must reproduce the above copyright
*       notice, this list of conditions and the following disclaimer in the
*       documentation and/or other materials provided with the distribution.
*     * Neither the name of the OpenSim Project nor the
*       names of its contributors may be used to endorse or promote products
*       derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* 
*/
using System;
using System.Globalization;
using System.Net;
using System.Xml;
using System.Net.Sockets;
using libsecondlife;




namespace OpenSim.Framework
{
    [Serializable]
    public class SearializableRegionInfo
    {
        /// <summary>
        /// This is a serializable version of RegionInfo
        /// </summary>
        public SearializableRegionInfo()
        {
        }
        public SearializableRegionInfo(RegionInfo ConvertFrom) 
        {
            m_regionLocX = ConvertFrom.RegionLocX;
            m_regionLocY = ConvertFrom.RegionLocY;
            m_internalEndPoint = ConvertFrom.InternalEndPoint;
            m_externalHostName = ConvertFrom.ExternalHostName;
            m_remotingPort = ConvertFrom.RemotingPort;
            RemotingAddress = ConvertFrom.RemotingAddress;
        }
        public SearializableRegionInfo(uint regionLocX, uint regionLocY, IPEndPoint internalEndPoint, string externalUri)
        {

            m_regionLocX = regionLocX;
            m_regionLocY = regionLocY;

            m_internalEndPoint = internalEndPoint;
            m_externalHostName = externalUri;
        }

        public SearializableRegionInfo(uint regionLocX, uint regionLocY, string externalUri, uint port)
        {
            m_regionLocX = regionLocX;
            m_regionLocY = regionLocY;

            m_externalHostName = externalUri;

            m_internalEndPoint = new IPEndPoint(IPAddress.Parse("0.0.0.0"), (int) port);
        }

        public Guid RegionID = LLUUID.Zero.UUID;

        public uint m_remotingPort;
        public uint RemotingPort
        {
            get
            {
                return m_remotingPort;
            }
            set
            {
                m_remotingPort = value;
            }
        }

        public string RemotingAddress;


        public IPEndPoint ExternalEndPoint
        {
            get
            {
                // Old one defaults to IPv6
                //return new IPEndPoint( Dns.GetHostAddresses( m_externalHostName )[0], m_internalEndPoint.Port );

                IPAddress ia = null;
                // If it is already an IP, don't resolve it - just return directly
                if (IPAddress.TryParse(m_externalHostName, out ia))
                    return new IPEndPoint(ia, m_internalEndPoint.Port);

                // Reset for next check
                ia = null;


                // New method favors IPv4
                foreach (IPAddress Adr in Dns.GetHostAddresses(m_externalHostName))
                {
                    if (ia == null)
                        ia = Adr;

                    if (Adr.AddressFamily == AddressFamily.InterNetwork)
                    {
                        ia = Adr;
                        break;
                    }

                }

                return new IPEndPoint(ia, m_internalEndPoint.Port);
            }

            set
            {
                m_externalHostName = value.ToString();
            }
        }

        protected string m_externalHostName;
        public string ExternalHostName
        {
            get
            {
                return m_externalHostName;
            }
            set
            {
                m_externalHostName = value;
            }
        }

        protected IPEndPoint m_internalEndPoint;
        public IPEndPoint InternalEndPoint
        {
            get
            {
                return m_internalEndPoint;
            }
            set
            {
                m_internalEndPoint = value;
            }
        }

        protected uint? m_regionLocX;
        public uint RegionLocX
        {
            get
            {
                return m_regionLocX.Value;
            }
            set
            {
                m_regionLocX = value;
            }
        }

        protected uint? m_regionLocY;
        public uint RegionLocY
        {
            get
            {
                return m_regionLocY.Value;
            }
            set
            {
                m_regionLocY = value;
            }
        }

        public ulong RegionHandle
        {
            get
            {
                return Util.UIntsToLong((RegionLocX * 256), (RegionLocY * 256));
            }
        }
    }
    
}