//
// Authors:
//   Lucas Ontivero lucasontivero@gmail.com 
//
// Copyright (C) 2014 Lucas Ontivero
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
// 
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//

using System;
using System.Net;

namespace Open.Nat
{
    internal class UpnpNatDeviceInfo
    {
        public UpnpNatDeviceInfo(IPAddress localAddress, Uri locationUri, string serviceControlUrl, string serviceType)
        {
            LocalAddress = localAddress;
            ServiceType = serviceType;
            HostEndPoint = new IPEndPoint(IPAddress.Parse(locationUri.Host), locationUri.Port);

            if (Uri.IsWellFormedUriString(serviceControlUrl, UriKind.Absolute))
            {
                var u = new Uri(serviceControlUrl);
                IPEndPoint old = HostEndPoint;
                serviceControlUrl = serviceControlUrl.Substring(u.GetLeftPart(UriPartial.Authority).Length);

                NatDiscoverer.TraceSource.LogInfo("{0}: Absolute URI detected. Host address is now: {1}", old,
                                                  HostEndPoint);
                NatDiscoverer.TraceSource.LogInfo("{0}: New control url: {1}", HostEndPoint, serviceControlUrl);
            }

            var builder = new UriBuilder("http", locationUri.Host, locationUri.Port, serviceControlUrl);
            ServiceControlUri = builder.Uri;
        }

        public IPEndPoint HostEndPoint { get; private set; }
        public IPAddress LocalAddress { get; private set; }
        public string ServiceType { get; private set; }
        public Uri ServiceControlUri { get; private set; }
    }
}