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

#include <zencore/zencore.h>

#if ZEN_PLATFORM_WINDOWS
#	include <zencore/windows.h>
#endif

#if ZEN_PLATFORM_LINUX
#	include <pthread.h>
#endif

#include <zencore/blake3.h>
#include <zencore/compactbinary.h>
#include <zencore/compactbinarybuilder.h>
#include <zencore/compactbinarypackage.h>
#include <zencore/compositebuffer.h>
#include <zencore/compress.h>
#include <zencore/crypto.h>
#include <zencore/filesystem.h>
#include <zencore/intmath.h>
#include <zencore/iobuffer.h>
#include <zencore/jobqueue.h>
#include <zencore/logging.h>
#include <zencore/memory.h>
#include <zencore/mpscqueue.h>
#include <zencore/refcount.h>
#include <zencore/sha1.h>
#include <zencore/stats.h>
#include <zencore/stream.h>
#include <zencore/string.h>
#include <zencore/thread.h>
#include <zencore/timer.h>
#include <zencore/uid.h>
#include <zencore/workthreadpool.h>

namespace zen {

AssertImpl	AssertImpl::DefaultAssertImpl;
AssertImpl* AssertImpl::CurrentAssertImpl = &AssertImpl::DefaultAssertImpl;

//////////////////////////////////////////////////////////////////////////

bool
IsDebuggerPresent()
{
#if ZEN_PLATFORM_WINDOWS
	return ::IsDebuggerPresent();
#else
	return false;
#endif
}

std::optional<bool> InteractiveSessionFlag;

void
SetIsInteractiveSession(bool Value)
{
	InteractiveSessionFlag = Value;
}

bool
IsInteractiveSession()
{
	if (!InteractiveSessionFlag.has_value())
	{
#if ZEN_PLATFORM_WINDOWS
		DWORD dwSessionId = 0;
		if (ProcessIdToSessionId(GetCurrentProcessId(), &dwSessionId))
		{
			InteractiveSessionFlag = (dwSessionId != 0);
		}
		else
		{
			InteractiveSessionFlag = false;
		}
#else
		// TODO: figure out what actually makes sense here
		InteractiveSessionFlag = true;
#endif
	}

	return InteractiveSessionFlag.value();
}

//////////////////////////////////////////////////////////////////////////

static int	s_ApplicationExitCode = 0;
static bool s_ApplicationExitRequested;

bool
IsApplicationExitRequested()
{
	return s_ApplicationExitRequested;
}

void
RequestApplicationExit(int ExitCode)
{
	s_ApplicationExitCode	   = ExitCode;
	s_ApplicationExitRequested = true;
}

int
ApplicationExitCode()
{
	return s_ApplicationExitCode;
}

#if ZEN_WITH_TESTS
void
zencore_forcelinktests()
{
	zen::blake3_forcelink();
	zen::compositebuffer_forcelink();
	zen::compress_forcelink();
	zen::crypto_forcelink();
	zen::filesystem_forcelink();
	zen::jobqueue_forcelink();
	zen::intmath_forcelink();
	zen::iobuffer_forcelink();
	zen::logging_forcelink();
	zen::memory_forcelink();
	zen::mpscqueue_forcelink();
	zen::refcount_forcelink();
	zen::sha1_forcelink();
	zen::stats_forcelink();
	zen::stream_forcelink();
	zen::string_forcelink();
	zen::thread_forcelink();
	zen::timer_forcelink();
	zen::uid_forcelink();
	zen::uson_forcelink();
	zen::usonbuilder_forcelink();
	zen::usonpackage_forcelink();
	zen::workthreadpool_forcelink();
}
}  // namespace zen

#	include <zencore/testing.h>

namespace zen {

TEST_CASE("Assert.Default")
{
	bool A = true;
	bool B = false;
	CHECK_THROWS_WITH(ZEN_ASSERT(A == B), "A == B");
}

TEST_CASE("Assert.Custom")
{
	struct MyAssertImpl : AssertImpl
	{
		ZEN_FORCENOINLINE ZEN_DEBUG_SECTION				 MyAssertImpl() : PrevAssertImpl(CurrentAssertImpl) { CurrentAssertImpl = this; }
		virtual ZEN_FORCENOINLINE						 ZEN_DEBUG_SECTION ~MyAssertImpl() { CurrentAssertImpl = PrevAssertImpl; }
		virtual void ZEN_FORCENOINLINE ZEN_DEBUG_SECTION OnAssert(const char* Filename,
																  int		  LineNumber,
																  const char* FunctionName,
																  const char* Msg)
		{
			AssertFileName = Filename;
			Line		   = LineNumber;
			FuncName	   = FunctionName;
			Message		   = Msg;
		}
		AssertImpl* PrevAssertImpl;

		const char* AssertFileName = nullptr;
		int			Line		   = -1;
		const char* FuncName	   = nullptr;
		const char* Message		   = nullptr;
	};

	MyAssertImpl MyAssert;
	bool		 A = true;
	bool		 B = false;
	CHECK_THROWS_WITH(ZEN_ASSERT(A == B), "A == B");
	CHECK(MyAssert.AssertFileName != nullptr);
	CHECK(MyAssert.Line != -1);
	CHECK(MyAssert.FuncName != nullptr);
	CHECK(strcmp(MyAssert.Message, "A == B") == 0);
}

#endif

}  // namespace zen