#ifndef MODEL_COMPONENT_H
#define MODEL_COMPONENT_H

#include <glm/glm.hpp>
#include <string>
#include <vector>
#include <GL/glew.h>

// Structure representing a single vertex.
struct Vertex {
    glm::vec3 Position;
    glm::vec3 Normal;
    glm::vec2 TexCoords;
    glm::vec3 Tangent;
};

class ModelComponent {
public:
    ModelComponent();
    ~ModelComponent();

    // Material properties.
    glm::vec3 diffuseColor;
    glm::vec3 specularColor;
    float shininess;

    // Mesh data.
    std::vector<Vertex> vertices;
    std::vector<GLuint> indices;

    // OpenGL buffers.
    GLuint VAO, VBO, EBO;

    // Texture handles.
    GLuint diffuseTexture;
    GLuint normalTexture;

    // Set up the mesh by creating VAO, VBO, and EBO.
    void SetupMesh();

    // Load textures from file.
    bool LoadDiffuseTexture(const std::string &filepath);
    bool LoadNormalTexture(const std::string &filepath);

    // Draw the mesh.
    void Draw();
};

#endif // MODEL_COMPONENT_H