#pragma once

#include "chart.h"

enum box_type {
  BOX_VERTICAL,
  BOX_HORIZONTAL,
  BOX_CHART,
  BOX_BUTTON,
};

enum length_type {
  LENGTH_FILL,
  LENGTH_PIXEL,
};

struct length {
  enum length_type type;
  union {
    double fill;
    double pixel;
  };
};

struct box {
  enum box_type;

  size_t width;
  size_t height;

  enum color color;

  union {
    struct chart *chart;

    /* button */
    struct {
      char *name;
    };

    /* container boxes */
    struct {
      struct box *children;
      size_t length;
    };
  };
};

box *new_chart_box(struct box *, size_t width, size_t height);
box *new_button_box(struct button *, size_t width, size_t height);
box *new_vertical_box(size_t width, size_t height);
box *new_horizontal_box(size_t width, size_t height);

void draw_box(struct box *);