using System;
using System.Collections;
using System.Configuration.Install;
using System.ServiceProcess;

namespace Vinno.FIS.Sonopost.Upgrade
{
    public class ServiceHelper
    {
        private static string _serviceFilePath = $"{AppDomain.CurrentDomain.BaseDirectory}\\Vinno.FIS.Sonopost.Service.exe";
        private static string _serviceName = "SonopostService";

        /// <summary>
        /// 安装服务
        /// </summary>
        public static void Install()
        {
            if (IsServiceExisted(_serviceName))
            {
                UnInstall();
            }
            InstallService(_serviceFilePath);
        }

        /// <summary>
        /// 卸载服务
        /// </summary>
        public static void UnInstall()
        {
            if (IsServiceExisted(_serviceName))
            {
                ServiceStop(_serviceName);
                UninstallService(_serviceFilePath);
            }
        }

        /// <summary>
        /// 启动服务
        /// </summary>
        public static void Start()
        {
            if (IsServiceExisted(_serviceName))
            {
                ServiceStart(_serviceName);
            }
        }

        /// <summary>
        /// 停止服务
        /// </summary>
        public static void Stop()
        {
            if (IsServiceExisted(_serviceName))
            {
                ServiceStop(_serviceName);
            }
        }

        /// <summary>
        /// 服务是否已经启动
        /// </summary>
        /// <param name="serviceName"></param>
        /// <returns></returns>
        public static bool IsServiceStarted(string serviceName)
        {
            using (ServiceController control = new ServiceController(serviceName))
            {
                return control.Status == ServiceControllerStatus.Running;
            }
        }

        private static bool IsServiceExisted(string serviceName)
        {
            ServiceController[] services = ServiceController.GetServices();
            foreach (ServiceController sc in services)
            {
                if (sc.ServiceName.ToLower() == serviceName.ToLower())
                {
                    return true;
                }
            }
            return false;
        }

        private static void InstallService(string serviceFilePath)
        {
            using (AssemblyInstaller installer = new AssemblyInstaller())
            {
                installer.UseNewContext = true;
                installer.Path = serviceFilePath;
                IDictionary savedState = new Hashtable();
                installer.Install(savedState);
                installer.Commit(savedState);
            }
        }

        private static void UninstallService(string serviceFilePath)
        {
            using (AssemblyInstaller installer = new AssemblyInstaller())
            {
                installer.UseNewContext = true;
                installer.Path = serviceFilePath;
                installer.Uninstall(null);
            }
        }

        private static void ServiceStart(string serviceName)
        {
            using (ServiceController control = new ServiceController(serviceName))
            {
                if (control.Status == ServiceControllerStatus.Stopped)
                {
                    control.Start();
                    control.WaitForStatus(ServiceControllerStatus.Running, TimeSpan.FromSeconds(10));
                }
            }
        }

        private static void ServiceStop(string serviceName)
        {
            using (ServiceController control = new ServiceController(serviceName))
            {
                if (control.Status == ServiceControllerStatus.Running)
                {
                    control.Stop();
                    control.WaitForStatus(ServiceControllerStatus.Stopped, TimeSpan.FromSeconds(10));
                }
            }
        }
    }
}