#pragma once

#include "../frames/InputFrameMailbox.h"

#include <atomic>
#include <chrono>
#include <cstdint>
#include <thread>
#include <vector>

namespace RenderCadenceCompositor
{
struct SyntheticInputProducerConfig
{
	unsigned width = 1920;
	unsigned height = 1080;
	double frameDurationMilliseconds = 1000.0 / 59.94;
};

struct SyntheticInputProducerMetrics
{
	uint64_t generatedFrames = 0;
	uint64_t submitMisses = 0;
};

class SyntheticInputProducer
{
public:
	SyntheticInputProducer(InputFrameMailbox& mailbox, SyntheticInputProducerConfig config);
	SyntheticInputProducer(const SyntheticInputProducer&) = delete;
	SyntheticInputProducer& operator=(const SyntheticInputProducer&) = delete;
	~SyntheticInputProducer();

	bool Start();
	void Stop();
	SyntheticInputProducerMetrics Metrics() const;

private:
	void ThreadMain();
	void GenerateFrame(uint64_t frameIndex, std::vector<unsigned char>& buffer) const;

	InputFrameMailbox& mMailbox;
	SyntheticInputProducerConfig mConfig;
	std::thread mThread;
	std::atomic<bool> mStopping{ false };
	std::atomic<uint64_t> mGeneratedFrames{ 0 };
	std::atomic<uint64_t> mSubmitMisses{ 0 };
};
}