// SPDX-FileCopyrightText: 2002-2026 PCSX2 Dev Team
// SPDX-License-Identifier: GPL-3.0+

#pragma once

#include "Config.h"

#include "common/FileSystem.h"
#include "common/Path.h"

#include "fmt/format.h"

// writes text directly to mVU.logFile, no newlines appended.
_mVUt void __mVULog(const char* fmt, ...)
{

	microVU& mVU = mVUx;
	if (!mVU.logFile)
		return;

	va_list list;
	va_start(list, fmt);
	std::vfprintf(mVU.logFile, fmt, list);
	std::fflush(mVU.logFile);
	va_end(list);
}

#define commaIf() \
	{ \
		if (bitX[6]) \
		{ \
			mVUlog(","); \
			bitX[6] = false; \
		} \
	}

void __mVUdumpProgram(microVU& mVU, microProgram& prog)
{
	bool bitX[7];
	int delay = 0;
	int bBranch = mVUbranch;
	int bCode   = mVU.code;
	int bPC     = iPC;
	mVUbranch   = 0;

	const std::string logname(fmt::format("microVU{} prog - {:02d}.html", mVU.index, prog.idx));
	mVU.logFile = FileSystem::OpenCFile(Path::Combine(EmuFolders::Logs, logname).c_str(), "w");
	if (!mVU.logFile)
		return;

	mVUlog("<html>\n");
	mVUlog("<title>microVU%d MicroProgram Log</title>\n", mVU.index);
	mVUlog("<body bgcolor=\"#000000\" LINK=\"#1111ff\" VLINK=\"#1111ff\">\n");
	mVUlog("<font face=\"Courier New\" color=\"#ffffff\">\n");

	mVUlog("<font size=\"5\" color=\"#7099ff\">");
	mVUlog("*********************\n<br>",       prog.idx);
	mVUlog("* Micro-Program #%02d *\n<br>",     prog.idx);
	mVUlog("*********************\n\n<br><br>", prog.idx);
	mVUlog("</font>");

	for (u32 i = 0; i < mVU.progSize; i += 2)
	{

		if (delay)
		{
			delay--;
			mVUlog("</font>");
			if (!delay)
				mVUlog("<hr/>");
		}
		if (mVUbranch)
		{
			delay = 1;
			mVUbranch = 0;
		}
		mVU.code = prog.data[i + 1];

		bitX[0] = false;
		bitX[1] = false;
		bitX[2] = false;
		bitX[3] = false;
		bitX[4] = false;
		bitX[5] = false;
		bitX[6] = false;

		if (mVU.code & _Ibit_) { bitX[0] = true; bitX[5] = true; }
		if (mVU.code & _Ebit_) { bitX[1] = true; bitX[5] = true; delay = 2; }
		if (mVU.code & _Mbit_) { bitX[2] = true; bitX[5] = true; }
		if (mVU.code & _Dbit_) { bitX[3] = true; bitX[5] = true; }
		if (mVU.code & _Tbit_) { bitX[4] = true; bitX[5] = true; }

		if (delay == 2) { mVUlog("<font color=\"#FFFF00\">"); }
		if (delay == 1) { mVUlog("<font color=\"#999999\">"); }

		iPC = (i + 1);
		mVUlog("<a name=\"addr%04x\">", i * 4);
		mVUlog("[%04x] (%08x)</a> ", i * 4, mVU.code);
		mVUopU(mVU, 2);

		if (bitX[5])
		{
			mVUlog(" (");
			if (bitX[0]) {            mVUlog("I"); bitX[6] = true; }
			if (bitX[1]) { commaIf(); mVUlog("E"); bitX[6] = true; }
			if (bitX[2]) { commaIf(); mVUlog("M"); bitX[6] = true; }
			if (bitX[3]) { commaIf(); mVUlog("D"); bitX[6] = true; }
			if (bitX[4]) { commaIf(); mVUlog("T"); }
			mVUlog(")");
		}

		if (mVUstall)
		{
			mVUlog(" Stall %d Cycles", mVUstall);
		}

		iPC = i;
		mVU.code = prog.data[i];

		if (bitX[0])
		{
			mVUlog("<br>\n<font color=\"#FF7000\">");
			mVUlog("[%04x] (%08x) %f", i * 4, mVU.code, *(float*)&mVU.code);
			mVUlog("</font>\n\n<br><br>");
		}
		else
		{
			mVUlog("<br>\n[%04x] (%08x) ", i * 4, mVU.code);
			mVUopL(mVU, 2);
			mVUlog("\n\n<br><br>");
		}
	}
	mVUlog("</font>\n");
	mVUlog("</body>\n");
	mVUlog("</html>\n");

	mVUbranch = bBranch;
	mVU.code  = bCode;
	iPC       = bPC;
	setCode();

	std::fclose(mVU.logFile);
	mVU.logFile = nullptr;
}
