#pragma once

#include <volk.h>

#include <SDL3/SDL_video.h>
#include <SDL3/SDL_vulkan.h>

struct GlobalMemory;
struct Frame;

/// The Rendering backend abstraction
///	If this fails to initialize, we crash
///
///	TODO: Fail elegantly.
struct RenderDevice
{
	struct CreateInfo
	{
		SDL_Window* window = nullptr;
		uint32_t width = 640;
		uint32_t height = 480;
	};

	VkInstance instance;
	VkSurfaceKHR surface;
	VkPhysicalDevice physicalDeviceInUse;
	VkDevice device;
	VkQueue directQueue;
	uint32_t directQueueFamilyIndex;
	// TODO: Pack?

	VkFormat swapchainFormat;
	VkExtent2D swapchainExtent;
	VkSwapchainKHR swapchain;
	VkImage* swapchainImages;
	VkImageView* swapchainViews;
	Frame* frames;
	uint32_t swapchainImageCount;
	uint32_t frameIndex = 0;

	[[nodiscard]] bool isInit() const;
	void cleanup();
	void waitIdle() const;
	[[nodiscard]] uint32_t getNumFrames() const;

	RenderDevice(
		VkInstance instance,
		VkSurfaceKHR surface,
		VkPhysicalDevice physicalDeviceInUse,
		VkDevice device,
		VkQueue directQueue,
		uint32_t directQueueFamilyIndex,
		// TODO: Pack?

		VkFormat swapchainFormat,
		VkExtent2D swapchainExtent,
		VkSwapchainKHR swapchain,

		VkImage* swapchainImages,
		VkImageView* swapchainViews,
		Frame* frames,
		uint32_t swapchainImageCount
	);

	RenderDevice(RenderDevice const&) = delete;
	RenderDevice& operator=(RenderDevice const&) = delete;

	RenderDevice(RenderDevice&&) noexcept = delete;
	RenderDevice& operator=(RenderDevice&&) noexcept = delete;

	~RenderDevice();
};

RenderDevice* CreateRenderDevice(GlobalMemory* mem, RenderDevice::CreateInfo const& createInfo);