using System;
using System.Linq;
using System.Net;
using System.Net.NetworkInformation;
using System.Net.Sockets;
using System.Globalization;

namespace Framework
{
    ////////////////////////////////////////////////////////////////////////////////////////////////////
    /// <summary>   Manager network. </summary>
    ////////////////////////////////////////////////////////////////////////////////////////////////////

    public class ManagerNetwork
    {
        #region Gestion du singleton

        /// <summary>   The instance. </summary>
        private static ManagerNetwork instance = null;
        /// <summary>   The padlock. </summary>
        private static readonly object padlock = new object();

        ////////////////////////////////////////////////////////////////////////////////////////////////////
        /// <summary>
        /// Prevents a default instance of the <see cref="ManagerNetwork"/> class from being created.
        /// </summary>
        ////////////////////////////////////////////////////////////////////////////////////////////////////

        ManagerNetwork()
        {
            //if (_Log.IsDebugEnabled)
            // _Log.DebugFormat("Nouvelle instance de {0}", Assembly.GetExecutingAssembly());
        }

        ////////////////////////////////////////////////////////////////////////////////////////////////////
        /// <summary>   Gets the instance. </summary>
        ///
        /// <value> The instance. </value>
        ////////////////////////////////////////////////////////////////////////////////////////////////////

        public static ManagerNetwork Instance
        {
            get
            {
                lock (padlock)
                {
                    if (instance == null)
                    {
                        instance = new ManagerNetwork();
                    }
                    return instance;
                }
            }
        }
        #endregion Gestion du singleton

        ////////////////////////////////////////////////////////////////////////////////////////////////////
        /// <summary>   Gets the MAC address. </summary>
        ///
        /// <returns>   The MAC address. </returns>
        ////////////////////////////////////////////////////////////////////////////////////////////////////

        public String GetMacAddress()
        {
            var macAddr =
                (
                    from nic in NetworkInterface.GetAllNetworkInterfaces()
                    where nic.OperationalStatus == OperationalStatus.Up
                    select nic.GetPhysicalAddress().ToString()
                ).FirstOrDefault();
            return macAddr.ToString(CultureInfo.CurrentCulture);
        }

        ////////////////////////////////////////////////////////////////////////////////////////////////////
        /// <summary>   Gets the Ip6 address. </summary>
        ///
        /// <returns>   The IP 6 address. </returns>
        ////////////////////////////////////////////////////////////////////////////////////////////////////

        public String GetIP6Address()
        {
            string iP6Address = String.Empty;

            try
            {
                foreach (IPAddress ipa in Dns.GetHostAddresses(Dns.GetHostName()))
                {
                    if (ipa.AddressFamily == AddressFamily.InterNetworkV6)
                    {
                        iP6Address = ipa.ToString();
                        break;
                    }
                }
            }
            catch (Exception ex)
            {

                throw; 
            }

            return iP6Address;
        }

        ////////////////////////////////////////////////////////////////////////////////////////////////////
        /// <summary>   Gets the Ip4 address. </summary>
        ///
        /// <returns>   The IP 4 address. </returns>
        ////////////////////////////////////////////////////////////////////////////////////////////////////

        public String GetIP4Address()
        {
            string iP4Address = String.Empty;

            try
            {
                foreach (IPAddress ipa in Dns.GetHostAddresses(Dns.GetHostName()))
                {
                    if (ipa.AddressFamily == AddressFamily.InterNetwork)
                    {
                        iP4Address = ipa.ToString();
                        break;
                    }
                }
            }
            catch (Exception ex)
            {

                throw; 
            }

            return iP4Address;
        }

        ////////////////////////////////////////////////////////////////////////////////////////////////////
        /// <summary>   Gets host name of the local computer. </summary>
        ///
        /// <returns>   The local host name. </returns>
        ////////////////////////////////////////////////////////////////////////////////////////////////////

        public String GetLocalHostName()
        {
            return System.Net.Dns.GetHostName();
        }

        ////////////////////////////////////////////////////////////////////////////////////////////////////
        /// <summary>   Gets a value indicating whether this instance is connected to internet. </summary>
        ///
        /// <value> true if this object is connected to internet, false if not. </value>
        ////////////////////////////////////////////////////////////////////////////////////////////////////

        public Boolean IsConnectedToInternet
        {
            get
            {
                try
                {
                    HttpWebRequest hwebRequest = (HttpWebRequest)WebRequest.Create("http://www.microsoft.com");
                    hwebRequest.Timeout = 10000;
                    HttpWebResponse hWebResponse = (HttpWebResponse)hwebRequest.GetResponse();
                    if (hWebResponse.StatusCode == HttpStatusCode.OK)
                    {
                        return true;
                    }
                    else
                    {
                        return false;
                    }
                }
                catch (Exception ex)
                {
                    throw; 
                }
            }
        }
    }

}