#pragma once

#if defined(_WIN64)
#define VK_USE_PLATFORM_WIN32_KHR
#elif defined(__APPLE__)
#define VK_USE_PLATFORM_METAL_EXT
#else
#define VK_USE_PLATFORM_XCB_KHR
#endif
#define GLFW_INCLUDE_VULKAN
#include <GLFW/glfw3.h>

#if defined(_WIN64)
#define GLFW_EXPOSE_NATIVE_WIN32
#elif defined(__APPLE__)
#define GLFW_EXPOSE_NATIVE_COCOA
#else
#define GLFW_EXPOSE_NATIVE_X11
#endif
#include <GLFW/glfw3native.h>

#define VULKAN_HPP_DISPATCH_LOADER_DYNAMIC 1
#include <vulkan/vulkan.hpp>
#pragma endregion

#define GLM_FORCE_RADIANS
#include <glm/glm.hpp>
#include <glm/gtc/matrix_transform.hpp>

struct Vertex {
  glm::vec2 pos;
  glm::vec3 col;
  glm::vec2 texCoord;

  static vk::VertexInputBindingDescription getBindingDescription() {
    vk::VertexInputBindingDescription desc;
    desc.binding = 0;
    desc.stride = sizeof(Vertex);
    desc.inputRate = vk::VertexInputRate::eVertex;
    return desc;
  }

  static std::array<vk::VertexInputAttributeDescription, 3> getAttributeDescriptions() {
    std::array<vk::VertexInputAttributeDescription, 3> descs;
    {
      vk::VertexInputAttributeDescription desc;
      desc.location = 0;
      desc.binding = 0;
      desc.format = vk::Format::eR32G32Sfloat;
      desc.offset = offsetof(Vertex, pos);
      descs[0] = desc;
    }
    {
      vk::VertexInputAttributeDescription desc;
      desc.location = 1;
      desc.binding = 0;
      desc.format = vk::Format::eR32G32B32Sfloat;
      desc.offset = offsetof(Vertex, col);
      descs[1] = desc;
    }
    {
      vk::VertexInputAttributeDescription desc;
      desc.location = 2;
      desc.binding = 0;
      desc.format = vk::Format::eR32G32Sfloat;
      desc.offset = offsetof(Vertex, texCoord);
      descs[2] = desc;
    }

    return descs;
  }
};

inline const std::vector<Vertex> vertices = {
  {{ -0.5f, -0.5f }, { 1.f, 0.f, 0.f }, { 1.f, 0.f }},
  {{  0.5f, -0.5f }, { 0.f, 1.f, 0.f }, { 0.f, 0.f }},
  {{  0.5f,  0.5f }, { 0.f, 0.f, 1.f }, { 0.f, 1.f }},
  {{ -0.5f,  0.5f }, { 1.f, 1.f, 0.f }, { 1.f, 1.f }},
};

inline const std::vector<uint16_t> indices = {
  0, 1, 2,
  2, 3, 0,
};

struct UniformBufferObject {
  alignas(16) glm::mat4 model;
  alignas(16) glm::mat4 view;
  alignas(16) glm::mat4 proj;
};