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

using UnrealBuildTool;
using System.IO;
using System;

public class Expat : ModuleRules
{
	protected virtual string ExpatVersion			{ get { return "expat-2.2.10"; } }

	protected virtual string IncRootDirectory		{ get { return ModuleDirectory; } }
	protected virtual string LibRootDirectory		{ get { return ModuleDirectory; } }

	protected virtual string ExpatPackagePath		{ get { return Path.Combine(LibRootDirectory, ExpatVersion); } }
	protected virtual string ExpatIncludePath		{ get { return Path.Combine(IncRootDirectory, ExpatVersion, "lib"); } }

	protected virtual string ConfigName				{ get {	return (Target.Configuration == UnrealTargetConfiguration.Debug && Target.bDebugBuildsActuallyUseDebugCRT) ? "Debug" : "Release"; } }

	public Expat(ReadOnlyTargetRules Target) : base(Target)
	{
		Type = ModuleType.External;

		PublicSystemIncludePaths.Add(ExpatIncludePath);

		if (Target.Platform == UnrealTargetPlatform.Android)
		{
			string LibraryPath = Path.Combine(ExpatPackagePath, "Android", ConfigName);
			PublicAdditionalLibraries.Add(Path.Combine(LibraryPath, "arm64", "libexpat.a"));
			PublicAdditionalLibraries.Add(Path.Combine(LibraryPath, "x64", "libexpat.a"));
		}
		else if (Target.IsInPlatformGroup(UnrealPlatformGroup.IOS))
		{
			PublicAdditionalLibraries.Add(Path.Combine(PlatformModuleDirectory, ExpatVersion, PlatformSubdirectoryName, ConfigName, "libexpat.a"));
		}
		else if (Target.IsInPlatformGroup(UnrealPlatformGroup.Windows))
		{
			string LibraryPath = Path.Combine(ExpatPackagePath, "Win64", "VS" + Target.WindowsPlatform.GetVisualStudioCompilerVersionName());

			if (Target.WindowsPlatform.Architecture == UnrealArch.Arm64)
			{
				LibraryPath = Path.Combine(LibraryPath, Target.Architecture.WindowsLibDir);
			}

			if (Target.Configuration == UnrealTargetConfiguration.Debug && Target.bDebugBuildsActuallyUseDebugCRT)
			{
				LibraryPath = Path.Combine(LibraryPath, "Debug");
				PublicAdditionalLibraries.Add(Path.Combine(LibraryPath, "libexpatdMD.lib"));
			}
			else
			{
				LibraryPath = Path.Combine(LibraryPath, "Release");
				PublicAdditionalLibraries.Add(Path.Combine(LibraryPath, "libexpatMD.lib"));
			}
		}
		else if (Target.Platform == UnrealTargetPlatform.Mac)
		{
			PublicAdditionalLibraries.Add(Path.Combine(ExpatPackagePath, Target.Platform.ToString(), ConfigName, "libexpat.a"));
		}
		else if (Target.IsInPlatformGroup(UnrealPlatformGroup.Unix))
		{
			PublicAdditionalLibraries.Add(Path.Combine(ExpatPackagePath, "Unix/" + Target.Architecture.LinuxName, ConfigName, "libexpat.a"));
		}
	}
}