#ifndef PKE_COMPONENTS_HPP
#define PKE_COMPONENTS_HPP

#include "macros.hpp"
#include "dynamic-array.hpp"

#include <glm/vec2.hpp>
#include <glm/vec3.hpp>
#include <vulkan/vulkan_core.h>

const uint64_t ECS_UNSET_VAL = 0xFFFFFFFFFFFFFFFF;

TypeSafeInt_H(EntityHandle, uint64_t, ECS_UNSET_VAL);
TypeSafeInt_H(GrBindsHandle, uint64_t, ECS_UNSET_VAL);
TypeSafeInt_H(InstanceHandle, uint64_t, ECS_UNSET_VAL);

struct Entity {
	EntityHandle handle = EntityHandle_MAX;
	EntityHandle parentHandle = EntityHandle_MAX;
	GrBindsHandle grBindsHandle = GrBindsHandle_MAX;
	InstanceHandle instanceHandle = InstanceHandle_MAX;
	bool isMarkedForRemoval = false;
};

struct InstPos {
	glm::vec3 pos;
	glm::vec3 rot;
	glm::vec3 scale;
};

struct CompGrBinds {
	EntityHandle entHandle = EntityHandle_MAX;
	GrBindsHandle grBindsHandle = GrBindsHandle_MAX;
	VkPipelineLayout vkPipelineLayout = VK_NULL_HANDLE;
	VkDescriptorSet vkDescriptorSet = VK_NULL_HANDLE;
	VkBuffer vertexBuffer = VK_NULL_HANDLE;
	uint32_t vertexFirstBinding = 0;
	uint32_t vertexCount = 0;
	VkDeviceSize vertexOffsets = 0;
	VkBuffer normalsBuffer = VK_NULL_HANDLE;
	uint32_t normalsFirstBinding = 0;
	uint32_t normalsCount = 0;
	VkDeviceSize normalsOffsets = 0;
	VkBuffer uvBuffer = VK_NULL_HANDLE;
	uint32_t uvFirstBinding = 0;
	uint32_t uvCount = 0;
	VkDeviceSize uvOffsets = 0;
	VkBuffer indexBuffer = VK_NULL_HANDLE;
	uint32_t indexFirstBinding = 0;
	uint32_t indexCount = 0;
	VkDeviceSize indexOffsets = 0;
	VkBuffer instanceBuffer = VK_NULL_HANDLE;
	uint32_t instanceFirstBinding = 0;
	uint32_t instanceCount = 0;
	VkDeviceSize instanceOffsets = 0;
	DynArray<InstPos> instances{0};
	bool isInstanceBufferNeedingUpdated = false;
};

struct CompInstance {
	EntityHandle entHandle = EntityHandle_MAX;
	GrBindsHandle grBindsHandle = GrBindsHandle_MAX;
	InstanceHandle instanceHandle = InstanceHandle_MAX;
	uint64_t index = ECS_UNSET_VAL;
	InstPos *ptr = nullptr;
};

#endif /* PKE_COMPONENTS_HPP */