/*
* Vulkan Example base class
*
* Copyright (C) 2016 by Sascha Willems - www.saschawillems.de
*
* This code is licensed under the MIT license (MIT) (http://opensource.org/licenses/MIT)
*/

#pragma once

#include <iostream>
#include <chrono>
#include <sys/stat.h>


#include <string>
#include <sstream>
#include <array>
#include <numeric>


#include "vulkan/vulkan.h"

#include "VulkanTools.h"
#include "camera.hpp"
#include "keycodes.hpp"

#include "VulkanDevice.hpp"
#include "VulkanSwapChain.hpp"

//#include "imgui/imgui.h"

class VulkanExampleBase
{
private:	
	
	uint32_t frameCounter = 0;
	
	bool resizing = false;
	//void handleMouseMove(int32_t x, int32_t y);
	PFN_vkCreateDebugReportCallbackEXT vkCreateDebugReportCallback;
	PFN_vkDestroyDebugReportCallbackEXT vkDestroyDebugReportCallback;
	VkDebugReportCallbackEXT debugReportCallback;
	
protected:
	VkInstance instance;
	
	VkPhysicalDeviceProperties deviceProperties;
	
	VkPhysicalDeviceMemoryProperties deviceMemoryProperties;
	
	
	VkQueue queue;
	VkFormat depthFormat;
	VkCommandPool cmdPool;
	
	std::vector<VkFramebuffer>frameBuffers;
	uint32_t currentBuffer = 0;
	
	
	//VulkanSwapChain swapChain;
	void windowResize();
public: 
	static std::vector<const char*> args;
	uint32_t selectedPhysicalDeviceIndex = 0;
	bool prepared = false;
	uint32_t width = 1280;
	uint32_t height = 720;
	
	
	
	bool paused = false;
	

	
	
	

	

	struct GamePadState {
		glm::vec2 axisLeft = glm::vec2(0.0f);
		glm::vec2 axisRight = glm::vec2(0.0f);
	} gamePadState;

	



	VulkanExampleBase();
	virtual ~VulkanExampleBase();
	
	//virtual void render() = 0;
	virtual void windowResized();
	virtual void setupFrameBuffer();
	void createSwapChainFramebuffer();
	virtual void prepare();
	virtual void fileDropped(std::string filename);

	void initSwapchain();
	void setupSwapChain();
	VkFormat findDepthFormat();
	VkFormat findSupportedFormat(const std::vector<VkFormat>& candidates, VkImageTiling tiling, VkFormatFeatureFlags features);

};