using Microsoft.Win32;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Configuration.Install;
using System.Linq;
using System.ServiceProcess;
using System.Text;

namespace Transmission.SDK
{
    public class WindowsServiceHelper
    {
        #region 安装服务
        /// <summary>
        /// 安装服务
        /// </summary>
        private bool InstallService(string NameService)
        {
            bool flag = true;
            if (!IsServiceIsExisted(NameService))
            {
                try
                {
                    string location = System.Reflection.Assembly.GetExecutingAssembly().Location;
                    string serviceFileName = location.Substring(0, location.LastIndexOf('\\') + 1) + NameService + ".exe";
                    InstallmyService(null, serviceFileName);
                }
                catch
                {
                    flag = false;
                }

            }
            return flag;
        }
        #endregion

        #region 卸载服务
        /// <summary>
        /// 卸载服务
        /// </summary>
        private bool UninstallService(string NameService)
        {
            bool flag = true;
            if (IsServiceIsExisted(NameService))
            {
                try
                {
                    string location = System.Reflection.Assembly.GetExecutingAssembly().Location;
                    string serviceFileName = location.Substring(0, location.LastIndexOf('\\') + 1) + NameService + ".exe";
                    UnInstallmyService(serviceFileName);
                }
                catch
                {
                    flag = false;
                }
            }
            return flag;
        }
        #endregion

        #region 检查服务是否已存在
        /// <summary>
        /// 检查服务是否已存在
        /// </summary>
        /// <param name=" NameService ">服务名</param>
        /// <returns>存在返回 true,否则返回 false;</returns>
        public static bool IsServiceIsExisted(string NameService)
        {
            ServiceController[] services = ServiceController.GetServices();
            foreach (ServiceController s in services)
            {
                if (s.ServiceName.ToLower() == NameService.ToLower())
                {
                    return true;
                }
            }
            return false;
        }
        #endregion

        #region 安装Windows服务
        /// <summary>
        /// 安装Windows服务
        /// </summary>
        /// <param name="stateSaver">集合</param>
        /// <param name="filepath">程序文件路径</param>
        public static void InstallmyService(IDictionary stateSaver, string filepath)
        {
            AssemblyInstaller AssemblyInstaller1 = new AssemblyInstaller();
            AssemblyInstaller1.UseNewContext = true;
            AssemblyInstaller1.Path = filepath;
            AssemblyInstaller1.Install(stateSaver);
            AssemblyInstaller1.Commit(stateSaver);
            AssemblyInstaller1.Dispose();
        }
        #endregion

        #region 卸载Windows服务
        /// <summary>
        /// 卸载Windows服务
        /// </summary>
        /// <param name="filepath">程序文件路径</param>
        public static void UnInstallmyService(string filepath)
        {
            AssemblyInstaller AssemblyInstaller1 = new AssemblyInstaller();
            AssemblyInstaller1.UseNewContext = true;
            AssemblyInstaller1.Path = filepath;
            AssemblyInstaller1.Uninstall(null);
            AssemblyInstaller1.Dispose();
        }
        #endregion

        #region 判断window服务是否启动
        /// <summary>
        /// 判断某个Windows服务是否启动
        /// </summary>
        /// <returns></returns>
        public static bool IsServiceStart(string serviceName)
        {
            ServiceController psc = new ServiceController(serviceName);
            bool bStartStatus = false;
            try
            {
                if (!psc.Status.Equals(ServiceControllerStatus.Stopped))
                {
                    bStartStatus = true;
                }

                return bStartStatus;
            }
            catch (Exception ex)
            {
                return bStartStatus;
            }
        }
        #endregion

        #region  修改服务的启动项
        /// <summary>  
        /// 修改服务的启动项 
        /// </summary>  
        /// <param name="startType">启动类型：2为自动,3为手动  </param>  
        /// <param name="serviceName">服务名称</param>  
        /// <returns></returns>  
        public static bool ChangeServiceStartType(int startType, string serviceName)
        {
            try
            {
                RegistryKey regist = Registry.LocalMachine;
                RegistryKey sysReg = regist.OpenSubKey("SYSTEM");
                RegistryKey currentControlSet = sysReg.OpenSubKey("CurrentControlSet");
                RegistryKey services = currentControlSet.OpenSubKey("Services");
                RegistryKey servicesName = services.OpenSubKey(serviceName, true);
                servicesName.SetValue("Start", startType);
            }
            catch (Exception ex)
            {
                return false;
            }
            return true;
        }
        #endregion

        #region 启动服务
        public static bool StartService(string serviceName)
        {
            bool flag = true;
            if (IsServiceIsExisted(serviceName))
            {
                ServiceController service = new ServiceController(serviceName);
                if (service.Status != ServiceControllerStatus.Running && service.Status != ServiceControllerStatus.StartPending)
                {
                    service.Start();
                    for (int i = 0; i < 60; i++)
                    {
                        service.Refresh();
                        System.Threading.Thread.Sleep(1000);
                        if (service.Status == ServiceControllerStatus.Running)
                        {
                            break;
                        }
                        if (i == 59)
                        {
                            flag = false;
                        }
                    }
                }
            }
            return flag;
        }
        #endregion

        #region 停止服务
        public static bool StopService(string serviceName)
        {
            bool flag = true;
            if (IsServiceIsExisted(serviceName))
            {
                ServiceController service = new ServiceController(serviceName);
                if (service.Status == ServiceControllerStatus.Running)
                {
                    service.Stop();
                    for (int i = 0; i < 60; i++)
                    {
                        service.Refresh();
                        System.Threading.Thread.Sleep(1000);
                        if (service.Status == ServiceControllerStatus.Stopped)
                        {
                            break;
                        }
                        if (i == 59)
                        {
                            flag = false;
                        }
                    }
                }
            }
            return flag;
        }
        #endregion
    }
}