#pragma once

#include <vulkan/vulkan.h>
#include <vector>
#include <set>

#include "utils.h"

namespace Engine {

class Surface;

class Instance {
    friend class Surface;
public:
    Instance();
    ~Instance();

    void initialize(const std::vector<const char*>& requiredExtensions);
    void deinitialize();
    void addLayer(const std::string& layerName);
    void addExtension(const std::string& extensionName);
    void enableDebug();
    std::vector<const char*> getLayers() const;

    std::vector<VkPhysicalDevice> enumeratePhysicalDevices() const;

private:
    void setupDebugMessenger();
    bool hasValidationLayers();

private:
    bool initialized;
    bool validationLayersEnabledAndSupported;
    std::set<std::string> layerNames;
    std::set<std::string> extensionNames;
    std::vector<const char*> layers;
    std::vector<const char*> extensions;
    VkInstance vk;
    VkDebugUtilsMessengerEXT debugMessenger;
};

}