using System;

using System.Collections.Generic;

using System.Text;

using System.Diagnostics;

namespace MyWifi

{

    public class WiFi

    {

        #region 单例

        //private static WiFi instance = null;

        //private static object objLock = new object();

        //private WiFi()

        //{ }

        //public static WiFi Singlon()

        //{

        //    if (instance == null)

        //    {

        //        lock(objLock)

        //        {

        //            if (instance == null)

        //            {

        //                instance = new WiFi();

        //            }

        //        }

        //    }

        //    return instance;

        //}

        #endregion

        private static string executeCmd(string command)

        {

            Process process = new Process

            {

                StartInfo = { FileName = " cmd.exe ", UseShellExecute = false, RedirectStandardInput = true, RedirectStandardOutput = true, CreateNoWindow = true }

            };

            process.Start();

            process.StandardInput.WriteLine(command);

            process.StandardInput.WriteLine("exit");

            process.WaitForExit();

            string str = process.StandardOutput.ReadToEnd();

            process.Close();

            return str;

        }

        /// <summary>

        /// 共享网络

        /// </summary>

        /// <param name="wifiName">WiFi名称</param>

        /// <param name="wifiPassword">WiFi密码(不少于8位)</param>

        /// <returns>"新建共享网络成功！"||"搭建失败，请重试！"</returns>

        public static string AllowWiFi(string wifiName, string wifiPassword)

        {

            string createWifiRet = "搭建失败，请重试！";

            try

            {

                string command = "netsh wlan set hostednetwork mode=allow ssid=" + wifiName.Trim() + " key=" + wifiPassword.Trim();

                string cmdExecRet = executeCmd(command);

                createWifiRet = cmdExecRet;

                if (((createWifiRet.IndexOf("承载网络模式已设置为允许") > -) && (createWifiRet.IndexOf("已成功更改承载网络的 SSID。") > -)) && (createWifiRet.IndexOf("已成功更改托管网络的用户密钥密码。") > -))

                {

                   createWifiRet = "新建共享网络成功！";

                }

                return createWifiRet;

            }

            catch(Exception e)

            {

                return createWifiRet + "\n\r" + e.Message;

            }

        }

        /// <summary>

        /// 禁止共享网络

        /// </summary>

        /// <returns>disallowWifiRet = "禁止共享网络成功！"||"操作失败，请重试！"</returns>

        public static string DisallowWifi()

        {

            string disallowWifiRet = "操作失败，请重试！";

            try

            {

                string command = "netsh wlan set hostednetwork mode=disallow";

                if (executeCmd(command).IndexOf("承载网络模式已设置为禁止") > -)

                {

                    disallowWifiRet = "禁止共享网络成功！";

                }

                return disallowWifiRet;

            }

            catch(Exception e)

            {

                return disallowWifiRet + "\n\r" + e.Message;

            }

        }

        /// <summary>

        /// 启动承载网络(WiFi)

        /// </summary>

        /// <returns>"已启动承载网络！"||"启动承载网络失败，请尝试新建网络共享！"</returns>

        public static string StartWiFi()

        {

            string startWifiRet = "启动承载网络失败，请尝试新建网络共享！";

            try

            {

                if (executeCmd("netsh wlan start hostednetwork").IndexOf("已启动承载网络") > -)

                {

                    startWifiRet = "已启动承载网络！";

                }

                return startWifiRet;

            }

            catch(Exception e)

            {

                return startWifiRet + "\n\r" + e.Message;

            }

        }

        /// <summary>

        /// 停止承载网络(WiFi)

        /// </summary>

        /// <returns>"已停止承载网络！"||"停止承载网络失败！"</returns>

        public static string StopWiFi()

        {

            string stopWifiRet = "停止承载网络失败！";

            try

            {

                if (executeCmd("netsh wlan stop hostednetwork").IndexOf("已停止承载网络") > -)

                {

                    stopWifiRet = "已停止承载网络！";

                }

                return stopWifiRet;

            }

            catch(Exception e)

            {

                return stopWifiRet + "\n\r" + e.Message;

            }

        }

    }

}