#pragma once

#include <string>
#include "bettola/math/vec3.h"
#include "bettola/math/mat4.h"

class Shader {
public:
  Shader(void);
  ~Shader(void);

  bool load_from_files(const std::string& vert_path, const std::string& frag_path);
  void use(void);

  void set_mat4(const std::string& name, const BettolaMath::Mat4& matrix) const;
  void set_bool(const std::string& name, bool value) const;
  void set_float(const std::string& name, float value) const;
  void set_vec3(const std::string& name, const BettolaMath::Vec3& value)  const;
  unsigned int get_id(void) const { return _program_id; }
private:
  bool compile_shader(unsigned int& shader_id, const char* shader_source, int shader_type);

  std::string read_file(const std::string& path);
  unsigned int _program_id;
};