// Copyright Epic Games, Inc. All Rights Reserved.

using System;
using System.Collections.Generic;
using System.Text;
using System.Diagnostics;
using System.IO;
using EpicGames.Core;
using Microsoft.Extensions.Logging;

namespace UnrealBuildTool
{
	/// <summary>
	/// Base class for platform-specific project generators
	/// </summary>
	class WindowsProjectGenerator : PlatformProjectGenerator
	{
		/// <summary>
		/// Constructor
		/// </summary>
		/// <param name="Arguments">Command line arguments passed to the project generator</param>
		/// <param name="Logger">Logger for output</param>
		public WindowsProjectGenerator(CommandLineArguments Arguments, ILogger Logger)
			: base(Arguments, Logger)
		{
		}

		/// <summary>
		/// Enumerate all the platforms that this generator supports
		/// </summary>
		public override IEnumerable<UnrealTargetPlatform> GetPlatforms()
		{
			yield return UnrealTargetPlatform.Win64;
		}

		///
		///	VisualStudio project generation functions
		///	
		/// <summary>
		/// Return the VisualStudio platform name for this build platform
		/// </summary>
		/// <param name="InPlatform">  The UnrealTargetPlatform being built</param>
		/// <param name="InConfiguration"> The UnrealTargetConfiguration being built</param>
		/// <returns>string    The name of the platform that VisualStudio recognizes</returns>
		public override string GetVisualStudioPlatformName(UnrealTargetPlatform InPlatform, UnrealTargetConfiguration InConfiguration)
		{
			if (InPlatform == UnrealTargetPlatform.Win64)
			{
				return "x64";
			}
			return InPlatform.ToString();
		}

		public override string GetVisualStudioUserFileStrings(UnrealTargetPlatform InPlatform, UnrealTargetConfiguration InConfiguration, string InConditionString, TargetRules InTargetRules, FileReference TargetRulesPath, FileReference ProjectFilePath, string ProjectName, string? ForeignUProjectPath)
		{
			StringBuilder VCUserFileContent = new StringBuilder();

			VCUserFileContent.AppendLine("  <PropertyGroup {0}>", InConditionString);
			if (InTargetRules.Type != TargetType.Game)
			{
				string DebugOptions = "";

				if (ForeignUProjectPath != null)
				{
					DebugOptions += ForeignUProjectPath;
					DebugOptions += " -skipcompile";
				}
				else if (InTargetRules.Type == TargetType.Editor && ProjectName != ProjectFileGenerator.EngineProjectFileNameBase)
				{
					DebugOptions += ProjectName;
				}

				VCUserFileContent.AppendLine("    <LocalDebuggerCommandArguments>{0}</LocalDebuggerCommandArguments>", DebugOptions);
			}
			VCUserFileContent.AppendLine("    <DebuggerFlavor>WindowsLocalDebugger</DebuggerFlavor>");
			VCUserFileContent.AppendLine("  </PropertyGroup>");


			return VCUserFileContent.ToString();
		}

		public override bool RequiresVSUserFileGeneration()
		{
			return true;
		}
	}
}