using System.Management;
using System.Net;
using System.Net.NetworkInformation;
using System.Net.Sockets;

namespace Muchinfo.PC.Common.Helpers
{
    public class IPHelper
    {
        /// <summary>
        /// 获取IP
        /// </summary>
        /// <param name="ipSite">获取IP的站点</param>
        /// <param name="startString">开始字符串</param>
        /// <param name="endString">结束字符串</param>
        /// <returns>System.String.</returns>
        public static string GetIP(string ipSite = "", string startString = "", string endString = "")
        {
            //WebRequest request = null;
            try
            {
                //var uri = new Uri(ipSite);
                //request = WebRequest.Create(uri);
                //request.Timeout = 1000 * 5;
                //var response = request.GetResponse();
                //var stream = response.GetResponseStream();
                //if (stream != null)
                //{
                //    var reader = new StreamReader(stream, Encoding.Default);
                //    string result = reader.ReadToEnd();
                //    int start = result.IndexOf(startString, StringComparison.Ordinal) + startString.Length;
                //    int end = result.IndexOf(endString, start, System.StringComparison.Ordinal);
                //    var ip = result.Substring(start, end - start);

                //    response.Close();
                //    return ip.Trim();
                //}

                //response.Close();
                return GetLocalIP();
            }
            catch
            {
                return GetLocalIP();
            }
            finally
            {
                //if (request != null) request.Abort();
            }
        }

        /// <summary>
        /// 获取MAC地址
        /// </summary>
        /// <returns>System.String.</returns>
        public static string GetMACAddress()
        {
            var address = GetMACAddressByService();
            if (string.IsNullOrWhiteSpace(address))
            {
                address = GetMACAddressByNetwork();
            }

            return address;
        }

        /// <summary>
        /// 获取MAC地址
        /// </summary>
        /// <returns>System.String.</returns>
        private static string GetMACAddressByService()
        {
            var str = string.Empty;
            try
            {
                ManagementClass mc;
                ManagementObjectCollection moc;
                mc = new ManagementClass("Win32_NetworkAdapterConfiguration");
                moc = mc.GetInstances();

                foreach (ManagementObject mo in moc)
                {
                    if ((bool)mo["IPEnabled"]) return mo["MacAddress"].ToString();
                }
            }
            catch
            {
                str = string.Empty;
            }
            return str;
        }

        /// <summary>
        /// 获取MAC地址
        /// </summary>
        /// <returns>System.String.</returns>
        public static string GetMACAddressByNetwork()
        {
            var nics = NetworkInterface.GetAllNetworkInterfaces();
            //var macAddress = new StringBuilder();
            foreach (NetworkInterface adapter in nics)
            {
                var mac = adapter.GetPhysicalAddress().ToString();
                if (!string.IsNullOrEmpty(mac) && adapter.OperationalStatus == OperationalStatus.Up)
                {
                    return mac;
                    //macAddress.Append(mac);
                    //macAddress.Append(",");
                }
            }

            //return macAddress.ToString().TrimEnd(',');
            return string.Empty;
        }

        /// <summary>
        /// 打开Web网址
        /// </summary>
        /// <param name="url">网址</param>
        public static void OpenWebAddress(string url)
        {
            System.Diagnostics.Process.Start(url);
        }

        /// <summary>
        /// 获取本地IP
        /// </summary>
        /// <returns>System.String.</returns>
        private static string GetLocalIP()
        {
            string strHostName = Dns.GetHostName();

            var ipEntry = Dns.GetHostEntry(strHostName);

            foreach (IPAddress ipAddress in ipEntry.AddressList)
            {
                if (ipAddress.AddressFamily == AddressFamily.InterNetwork)
                {
                    return ipAddress.ToString();
                }
            }

            return "-";
        }
    }
}