#ifndef IMGUI_DISASSEMBLY_HH

#define IMGUI_DISASSEMBLY_HH

#include "ImGuiPart.hh"

#include <optional>

#include <span>

#include <string>

#include <utility>

namespace openmsx {

class Debugger;

class MSXDevice;

class MSXCPUInterface;

class MSXRom;

class RomBlockDebuggableBase;

struct Symbol;

class SymbolManager;

class ImGuiDisassembly final : public ImGuiPart

{

public:

	ImGuiDisassembly(ImGuiManager& manager_, size_t index);

	[[nodiscard]] zstring_view iniName() const override { return title; }

	void save(ImGuiTextBuffer& buf) override;

	void loadLine(std::string_view name, zstring_view value) override;

	void loadEnd() override;

	void paint(MSXMotherBoard* motherBoard) override;

	void signalBreak() { if (scrollToPcOnBreak) syncDisassemblyWithPC = true; }

	void setGotoTarget(uint16_t target);

	void syncWithPC() { syncDisassemblyWithPC = true; }

public:

	void actionToggleBp(MSXMotherBoard& motherBoard);

	[[nodiscard]] static std::pair<const MSXRom*, RomBlockDebuggableBase*>

		getRomBlocks(Debugger& debugger, const MSXDevice* device);

private:

	unsigned disassemble(

		const MSXCPUInterface& cpuInterface, unsigned addr, unsigned pc, EmuTime time,

		std::span<uint8_t, 4> opcodes, std::string& mnemonic,

		std::optional<uint16_t>& mnemonicAddr, std::span<const Symbol* const>& mnemonicLabels);

	void disassembleToClipboard(

		const MSXCPUInterface& cpuInterface, unsigned pc, EmuTime time,

		unsigned minAddr, unsigned maxAddr);

public:

	bool show = true;

private:

	SymbolManager& symbolManager;

	std::string title;

	size_t cycleLabelsCounter = 0;

	static ImGuiDisassembly* lastWidget;

	std::optional<uint16_t> selectedAddr = {};

	std::string gotoAddr;

	std::string runToAddr;

	std::optional<unsigned> gotoTarget;

	std::optional<float> setDisassemblyScrollY;

	bool followPC = false;

	bool scrollToPcOnBreak = true;

	bool syncDisassemblyWithPC = false;

	float disassemblyScrollY = 0.0f;

	static constexpr auto persistentElements = std::tuple{

		PersistentElement{"show",              &ImGuiDisassembly::show},

		PersistentElement{"followPC",          &ImGuiDisassembly::followPC},

		PersistentElement{"scrollToPcOnBreak", &ImGuiDisassembly::scrollToPcOnBreak},

		PersistentElement{"disassemblyY",      &ImGuiDisassembly::disassemblyScrollY},

	};

};

} // namespace openmsx

#endif