#pragma once

#include <GLFW/glfw3.h>

#include <iostream>
#include <vector>
#include <cstring>
#include <optional>
#include <set>
#include <fstream>
#include <numeric>
#include <chrono>
#include <array>
#include <memory>
#include <vulkan/vulkan_core.h>
#include <map>
#include <glm/vec2.hpp>

using std::unique_ptr, std::make_unique;
using std::vector;

class Instance;
class Swapchain;
class GraphicsPipeline;
class Buffer;
class CommandPool;
class Image;
class ComputePipeline;
class Fence;
class Semaphore;
class Camera;
class DescriptorPool;

class Application {
public:
	explicit Application();
	void mainLoop();
	~Application();
protected:
	Swapchain* swapchain = nullptr;
	DescriptorPool* descriptorPool = nullptr;
	GraphicsPipeline* graphicsPipeline = nullptr;
	Buffer* uniformBuffer = nullptr;

	void updateUniformBuffer();

	void recordGraphicsCommandBuffer(uint32_t imageIndex);

	Semaphore* imageAvailable = nullptr;
	Semaphore* renderFinished = nullptr;
	Semaphore* computeFinished = nullptr;
	Fence* renderInFlight = nullptr;
	Fence* computeInFlight = nullptr;

	void drawFrame();
	virtual void recordDrawCommands() {};
	virtual void recordComputeCommands(VkCommandBuffer cmdBuffer) {}
	void update();
	void createSyncObjects();

	Camera* camera = nullptr;
};