#pragma once
#include "stdafx.h"
#include "DmaController.h"
#include "DebugTypes.h"
#include "BaseEventManager.h"
#include "../Utilities/SimpleLock.h"

enum class DebugEventType;
struct DebugEventInfo;
struct EventViewerDisplayOptions;
class Cpu;
class Ppu;
class Debugger;
class DmaController;
class MemoryManager;

class EventManager final : public IEventManager
{
private:
	static constexpr int ScanlineWidth = 1364 / 2;

	Cpu* _cpu;
	Ppu* _ppu;
	MemoryManager* _memoryManager;
	DmaController* _dmaController;
	Debugger* _debugger;
	vector<DebugEventInfo> _debugEvents;
	vector<DebugEventInfo> _prevDebugEvents;
	vector<DebugEventInfo> _sentEvents;

	vector<DebugEventInfo> _snapshot;
	int16_t _snapshotScanline = -1;
	uint16_t _snapshotCycle = 0;
	SimpleLock _lock;

	bool _overscanMode = false;
	bool _useHighResOutput = false;
	uint32_t _scanlineCount = 262;
	uint16_t* _ppuBuffer = nullptr;

	void DrawEvent(DebugEventInfo& evt, bool drawBackground, uint32_t* buffer, EventViewerDisplayOptions& options);
	void FilterEvents(EventViewerDisplayOptions& options);

public:
	EventManager(Debugger* debugger, Cpu* cpu, Ppu* ppu, MemoryManager* memoryManager, DmaController* dmaController);
	~EventManager();

	void AddEvent(DebugEventType type, MemoryOperationInfo& operation, int32_t breakpointId = -1);
	void AddEvent(DebugEventType type);

	void GetEvents(DebugEventInfo* eventArray, uint32_t& maxEventCount);
	uint32_t GetEventCount(EventViewerDisplayOptions options);
	void ClearFrameEvents();

	uint32_t TakeEventSnapshot(EventViewerDisplayOptions options);
	void GetDisplayBuffer(uint32_t* buffer, uint32_t bufferSize, EventViewerDisplayOptions options);
	DebugEventInfo GetEvent(uint16_t scanline, uint16_t cycle, EventViewerDisplayOptions& options);
};