#ifndef DORNE_TREE_H
#define DORNE_TREE_H

# ifndef __NCURSES_H
typedef struct _win_st WINDOW;
# endif /* __NCURSES_H */

#define NODE_CHILD_N 2

/* MACRO:
 * void NODEDIMS(struct crs_node *node, struct crs_nodedims dims);
 */
#define NODEDIMS(node, dims) (getbegyx(dims.y, dims.x); getmaxyx(dims.y, dims.x))

enum crs_nodetype {
  NODE_WINDOW,
  NODE_ABSTRACT,
};

/* Stores a node's starting x,y coordinates, width, & height.
 * NOTE: Intended for interfunction communication.
 */
struct crs_nodedims {
  int x, y, width, height;
};

enum crs_axis {
  AXIS_X,
  AXIS_Y,
};

struct crs_node {
  enum crs_nodetype type;
  // union value depends on crs_node.type
  union {
    WINDOW *win;
    struct {
      float ratio;
      struct crs_node *child[NODE_CHILD_N];
    };
  };
};

struct crs_tree {
  WINDOW *stdscr;
  struct crs_node *root;
};

/* === External Interface === */
// struct crs_node *init_node_window(void);
// struct crs_node *init_node_abstract(void);
// void destroy_node(struct crs_node *node);

int init_tree(struct crs_tree **tree);
void update_tree(struct crs_tree *tree);
void destroy_tree(struct crs_tree *tree);

#endif /* DORNE_TREE_H */