#ifndef LIGHTING_H
#define LIGHTING_H

namespace djalim {
    class ShaderProgram;
}

#include "Camera.h"
#include <glm/glm.hpp>

struct DirectionalLight {
    glm::vec3 direction;
    glm::vec3 ambient;
    glm::vec3 diffuse;
    glm::vec3 specular;
};

struct PointLight {
    glm::vec3 position;
    glm::vec3 ambient;
    glm::vec3 diffuse;
    glm::vec3 specular;
    float constant;
    float linear;
    float exponent;
};

struct SpotLight {
    glm::vec3 position;
    glm::vec3 direction;
    glm::vec3 ambient;
    glm::vec3 diffuse;
    glm::vec3 specular;
    float cosInnerCone;
    float cosOuterCone;
    float constant;
    float linear;
    float exponent;
    bool on;
};

class Lighting {
public:
    Lighting();
    void update(djalim::ShaderProgram& shader, FPSCamera& camera);

    DirectionalLight sunLight;
    PointLight pointLights[3];
    SpotLight spotLight;
};

#endif // LIGHTING_H