// Copyright 1998-2019 Epic Games, Inc. All Rights Reserved.

using System;
using System.Diagnostics;
using System.ComponentModel.Design;
using Microsoft.VisualStudio;
using Microsoft.VisualStudio.Shell;
using Microsoft.VisualStudio.Shell.Interop;
using Microsoft.VisualStudio.OLE.Interop;
using EnvDTE;
using System.Runtime.InteropServices;
using System.Collections.Generic;
using EnvDTE80;


namespace UnrealVS
{
	class BuildStartupProject
	{
		const int BuildStartupProjectButtonID = 0x1070;

		public BuildStartupProject()
		{
			// BuildStartupProjectButton
			{
				var CommandID = new CommandID( GuidList.UnrealVSCmdSet, BuildStartupProjectButtonID );
				var BuildStartupProjectButtonCommand = new MenuCommand( new EventHandler( BuildStartupProjectButtonHandler ), CommandID );
				UnrealVSPackage.Instance.MenuCommandService.AddCommand( BuildStartupProjectButtonCommand );
			}

		}


		/// Called when 'BuildStartupProject' button is clicked
		void BuildStartupProjectButtonHandler( object Sender, EventArgs Args )
		{
			// Grab the current startup project
			IVsHierarchy ProjectHierarchy;
			UnrealVSPackage.Instance.SolutionBuildManager.get_StartupProject( out ProjectHierarchy );
			if( ProjectHierarchy != null )
			{
				var StartupProject = Utils.HierarchyObjectToProject( ProjectHierarchy );

				if (StartupProject != null)
				{
					// Get the active solution configuration
					var ActiveConfiguration =
						(SolutionConfiguration2) UnrealVSPackage.Instance.DTE.Solution.SolutionBuild.ActiveConfiguration;
					var SolutionConfiguration = ActiveConfiguration.Name;
					var SolutionPlatform = ActiveConfiguration.PlatformName;

					// Combine the active solution configuration and platform into a string that Visual Studio
					// can use to build the startup project (e.g. "Release|x64")
					var BuildPlatformAndConfiguration = SolutionConfiguration + "|" + SolutionPlatform;

					// Make sure the Output window is visible
					UnrealVSPackage.Instance.DTE.ExecuteCommand("View.Output");

					// Kick off the build!
					UnrealVSPackage.Instance.DTE.Solution.SolutionBuild.BuildProject(
						BuildPlatformAndConfiguration,
						StartupProject.UniqueName,
						WaitForBuildToFinish: false);
				}
			}
		}
	}
}