#pragma once

#include "opengl/shading/attributes/point_cloud_attributes.hpp"
#include "opengl/shading/uniforms/point_cloud_uniforms.hpp"

#include "assets/components/mesh_vertex_components.hpp"
#include "assets/components/point_cloud_vertex_components.hpp"

#include <array>

namespace zgl::shading::features::point_cloud
{

struct type
{
  attributes::point_cloud::flags attributes{
  attributes::point_cloud::flags::none
 };
 uniforms::point_cloud::flags uniforms{
  uniforms::point_cloud::flags::none
 };
};

namespace indices
{
enum : z3d::size
{
 square,
 lighting,
 luminance,
 color,
 alpha,
 uniform_color,
 rainbow
};
}

enum class flags : std::uint8_t
{
 none = 0,
 square = 1 << indices::square,
 lighting = 1 << indices::lighting,
 luminance = 1 << indices::luminance,
 color = 1 << indices::color,
 alpha = 1 << indices::alpha,
 uniform_color = 1 << indices::uniform_color,
 rainbow = 1 << indices::rainbow
 };

constexpr inline auto square = type{
  .attributes = attributes::point_cloud::flags::position,
  .uniforms = (
    uniforms::point_cloud::flags::mvp_matrix |
    uniforms::point_cloud::flags::point_size
   )
};

constexpr inline auto lighting = type{
 .attributes = attributes::point_cloud::flags::normal,
 .uniforms = (
  uniforms::point_cloud::flags::model_matrix |
   uniforms::point_cloud::flags::camera_position
 )
};

constexpr inline auto luminance = type{
 .attributes = attributes::point_cloud::flags::luminance
};

constexpr inline auto color = type{
 .attributes = attributes::point_cloud::flags::color
};

constexpr inline auto alpha = type{
 .attributes = attributes::point_cloud::flags::alpha
};

constexpr inline auto uniform_color = type{
 .uniforms = uniforms::point_cloud::flags::color
};

constexpr inline auto rainbow = type{
 .uniforms = (
  uniforms::point_cloud::flags::rainbow_offset_y |
   uniforms::point_cloud::flags::rainbow_scale_y
 )
};

constexpr inline auto all = std::array{
 square, lighting, luminance, color, alpha, uniform_color, rainbow
};

constexpr inline auto names = std::array{
 "square",
 "lighting",
 "luminance",
 "color",
 "alpha",
 "uniform_color",
 "rainbow"
};

}