#pragma once

#include <glm/glm.hpp>
#include "Renderable.h"
#include "PoseableBatch.h"
#include "VertexFragmentShaderProgram.h"
#include "TextureRenderable.h"

namespace charcoal
{
	namespace builtin
	{
		using namespace glm;

		typedef vec3 Position;
		typedef vec3 Normal;
		typedef vec4 ColorRGBA;
		typedef vec3 ColorRGB;
		typedef vec2 UV;

		typedef unsigned int Index;

		// Shader Data Types

		struct Light
		{
			typedef vec3 Power;
			typedef vec3 Fade;

			Light(
				const Position& position,
				const Power& power,
				const ColorRGB& ambient,
				const ColorRGB& diffuse,
				const ColorRGB& specular,
				const Fade& fade
			)
				: position(position),
				power(power),
				ambient(ambient),
				diffuse(diffuse),
				specular(specular),
				fade(fade)
			{}

			Position position;
			Power power;
			ColorRGB ambient;
			ColorRGB diffuse;
			ColorRGB specular;
			Fade fade;
		};

		struct Material
		{
			Material(
				float ambient = 1.0f,
				float diffuse = 1.0f,
				float specular = 0.0f,
				float specular_exponent = 1.0f
			)
				: ambient(ambient),
				diffuse(diffuse),
				specular(specular),
				specular_exponent(specular_exponent)
			{}

			float ambient;
			float diffuse;
			float specular;
			float specular_exponent;
		};

		// Generic Vertices

		struct PVertex
		{
			void set_position(const Position& position) { this->position = position; }

			Position position;
		};

		struct PNMVertex
		{
			void set_position(const Position& position) { this->position = position; }
			void set_normal(const Normal& normal) { this->normal = normal; }
			void set_material(const Material& material) { this->material = material; }

			Position position;
			Normal normal;
			Material material;
		};

		struct PTVertex
		{
			void set_position(const Position& position) { this->position = position; }
			void set_uv(const UV& uv) { this->uv = uv; }

			Position position;
			UV uv;
		};
	}
}