#pragma once

#include <ft2build.h>
#include FT_FREETYPE_H
#include <map>

#include "shader.h"
#include "types.h"

/* State of a single charactrer glyph. */
struct character {
  unsigned int texture_id;
  int size[2];
  int bearing[2];
  unsigned int advance;
};

class TextRenderer {
public:
  TextRenderer(unsigned int screen_width, unsigned int screen_height);
  ~TextRenderer(void);

  void load_font(const char* font_path, unsigned int font_size);
  void render_text(const char* text, float x, float y, float scale, const Color& color);

private:
  Shader* _txt_shader;
  unsigned int _vao, _vbo;
  std::map<char, character> _chars;
  float _projecton[16];
};