using System;
using System.Diagnostics;
using System.Globalization;
using System.Runtime.InteropServices;
using System.ComponentModel.Design;
using System.IO;
using Microsoft.Win32;
using Microsoft.VisualStudio.Shell.Interop;
using Microsoft.VisualStudio.OLE.Interop;
using Microsoft.VisualStudio.Shell;
using Microsoft.VisualStudio.Project;
using Microsoft.VisualStudio;

namespace Cosmos.VS.Package {
    /// <summary>
    /// This is the class that implements the package exposed by this assembly.
    ///
    /// The minimum requirement for a class to be considered a valid package for Visual Studio
    /// is to implement the IVsPackage interface and register itself with the shell.
    /// This package uses the helper classes defined inside the Managed Package Framework (MPF)
    /// to do it: it derives from the Package class that provides the implementation of the 
    /// IVsPackage interface and uses the registration attributes defined in the framework to 
    /// register itself and its components with the shell.
    /// </summary>
    // This attribute tells the registration utility (regpkg.exe) that this class needs
    // to be registered as package.
    [PackageRegistration(UseManagedResourcesOnly = true)]
    // A Visual Studio component can be registered under different regitry roots; for instance
    // when you debug your package you want to register it in the experimental hive. This
    // attribute specifies the registry root to use if no one is provided to regpkg.exe with
    // the /root switch.
    [DefaultRegistryRoot("Software\\Microsoft\\VisualStudio\\9.0")]
    // This attribute is used to register the informations needed to show the this package
    // in the Help/About dialog of Visual Studio.
    [InstalledProductRegistration(true, "Cosmos Visual Studio Integration Package", "www.gocosmos.org", "1.0", IconResourceID = 400, 
                LanguageIndependentName = "Cosmos Visual Studio Integration Package")]
    // In order be loaded inside Visual Studio in a machine that has not the VS SDK installed, 
    // package needs to have a valid load key (it can be requested at 
    // http://msdn.microsoft.com/vstudio/extend/). This attributes tells the shell that this 
    // package has a load key embedded in its resources.
    [ProvideLoadKey("Standard", "1.0", "Cosmos Visual Studio Integration Package", "Cosmos", 1001)]
    [ProvideProjectFactory(
      typeof(VSProjectFactory),
      "Cosmos", // This is the overall group name in new project on left side
      "Cosmos Project Files (*.Cosmos);*.Cosmos",
      "Cosmos", "Cosmos",
      @"..\Templates\Projects\CosmosProject"
      , LanguageVsTemplate = "CosmosProject"
      , NewProjectRequireNewFolderVsTemplate = false)]
  // Property Pages
	//[ProvideObject(typeof(PropPageEnvironment), RegisterUsing = RegistrationMethod.CodeBase)]
	//[ProvideObject(typeof(PropPageTest), RegisterUsing = RegistrationMethod.CodeBase)]
	[ProvideObject(typeof(BuildPage), RegisterUsing = RegistrationMethod.CodeBase)]
	[ProvideObject(typeof(DebugPage), RegisterUsing = RegistrationMethod.CodeBase)]
	[ProvideObject(typeof(VMPage), RegisterUsing = RegistrationMethod.CodeBase)]
    [ProvideObject(typeof(KernelPage), RegisterUsing = RegistrationMethod.CodeBase)]
	[Guid(Guids.guidProjectPkgString)]
  public sealed class VSProject : ProjectPackage, IVsInstalledProduct {
        /// <summary>
        /// Default constructor of the package.
        /// Inside this method you can place any initialization code that does not require 
        /// any Visual Studio service because at this point the package object is created but 
        /// not sited yet inside Visual Studio environment. The place to do all the other 
        /// initialization is the Initialize method.
        /// </summary>
        public VSProject() {
            LogUtility.LogString("Entering Cosmos.VS.Package.VSProject.ctor()");
            try
            {
                // fake compiler?
                var xType = typeof(Cosmos.Debug.VSDebugEngine.AD7Engine);
                if (xType.FullName.Length == 0)
                {
                    throw new Exception("No fullname!");
                }
            }
            catch (Exception E)
            {
                LogUtility.LogException(E);
            }
            finally
            {
                LogUtility.LogString("Exiting Cosmos.VS.Package.VSProject.ctor()");
            }
        }

        // This is used in the MSBuild files to locate Cosmos tasks
        // Will likely be used by other things in the future as well
        private void SetCosmosVar() {
            // MtW: we can just use typeof(VSProject).Assembly.Location
            //Trace.WriteLine("Todo: implement set cosmos var, or find something else for it..");
          //string xPath = System.Reflection.Assembly.GetExecutingAssembly().Location;
          //int xPos = xPath.LastIndexOf(@"\source2\", StringComparison.InvariantCultureIgnoreCase);
          //xPath = xPath.Substring(0, xPos);

          //  var xPath = @"E:\Cosmos";
          //System.Environment.SetEnvironmentVariable("Cosmos", xPath, EnvironmentVariableTarget.User);
        }

        /////////////////////////////////////////////////////////////////////////////
        // Overriden Package Implementation

        /// <summary>
        /// Initialization of the package; this method is called right after the package is sited, so this is the place
        /// where you can put all the initilaization code that rely on services provided by VisualStudio.
        /// </summary>
        protected override void Initialize() {
            LogUtility.LogString("Entering Cosmos.VS.Package.VSProject.Initialize()");
            try
            {
                SetCosmosVar();
                base.Initialize();
                this.RegisterProjectFactory(new VSProjectFactory(this));
            }
            catch (Exception E)
            {
                LogUtility.LogException(E);
            }
            finally
            {
                LogUtility.LogString("Exiting Cosmos.VS.Package.VSProject.Initialize()");
            }
        }


        #region IVsInstalledProduct Members
        //[InstalledProductRegistration(false, "Cosmos Visual Studio Integration Package", "www.gocosmos.org", "1.0", IconResourceID = 400,
        //               LanguageIndependentName = "Cosmos Visual Studio Integration Package")]
        int IVsInstalledProduct.IdBmpSplash(out uint pIdBmp)
        {
            pIdBmp = 400;
            return VSConstants.S_OK;
        }

        int IVsInstalledProduct.IdIcoLogoForAboutbox(out uint pIdIco)
        {
            pIdIco = 400;
            return VSConstants.S_OK;
        }

        int IVsInstalledProduct.OfficialName(out string pbstrName)
        {
            pbstrName = "Cosmos";
            return VSConstants.S_OK;
        }

        int IVsInstalledProduct.ProductDetails(out string pbstrProductDetails)
        {
            pbstrProductDetails = "www.goCosmos.org";
            return VSConstants.S_OK;
        }

        int IVsInstalledProduct.ProductID(out string pbstrPID)
        {
            pbstrPID = "Milestone 5";
            return VSConstants.S_OK;
        }

        #endregion
  }
}