using System;
using Microsoft.Win32;
using System.Collections;
using System.ComponentModel;
using System.ServiceProcess;
using System.Configuration.Install;

namespace Ease.SvcHost
{
	/// <summary>
	/// Summary description for Installer.
	/// </summary>
    [RunInstaller(true), ToolboxItem(false)]
	public class HostServiceInstaller : Installer
	{	
		private ServiceInstaller _serviceInstaller;

		public HostServiceInstaller()
		{
			_serviceInstaller = new ServiceInstaller();
			_serviceInstaller.StartType = ServiceStartMode.Automatic;
			
			ServiceProcessInstaller processInstaller = new ServiceProcessInstaller();
			processInstaller.Account = ServiceAccount.LocalSystem;
			
			Installers.AddRange(new System.Configuration.Install.Installer[] { _serviceInstaller, processInstaller });
		}

        private string GetServiceName(string name)
        {
            return string.Format("Ease.SvcHost{0}{1}", (name.Length > 0 ? "_" : ""), name.Replace(" ", "_")).Trim();
        }

        public override void Install(IDictionary stateSaver)
        {
            string name = string.Empty, desc = string.Empty;

            if (Context.Parameters.ContainsKey("name"))
                name = Context.Parameters["name"];

            if (Context.Parameters.ContainsKey("desc"))
                desc = Context.Parameters["desc"];

            _serviceInstaller.DisplayName = string.Format("Ease.SvcHost{0} {1}", (name.Length > 0 ? ":" : ""), name).Trim();
            _serviceInstaller.ServiceName = this.GetServiceName(name);

            base.Install(stateSaver);

            RegistryKey key = RegistryHelper.GetServiceKey(_serviceInstaller.ServiceName);
            key.SetValue("ImagePath", (string)key.GetValue("ImagePath") + " -start " + _serviceInstaller.ServiceName);
            key.SetValue("Description", desc.Length == 0 ? "Ease Service Host" : desc);
            key.Close();
        }

        public override void Uninstall(IDictionary savedState)
        {
            string name = string.Empty;

            if (Context.Parameters.ContainsKey("name"))
                name = Context.Parameters["name"];

            _serviceInstaller.ServiceName = this.GetServiceName(name);

            base.Uninstall(savedState);
        }
	}
}