#pragma once

#include <memory>
#include <set>
#include <string>
#include <vector>

class node {
public:
  node(const std::string &name = "");
  virtual ~node();
  std::string get_name() const;
  void set_name(const std::string new_name);
  unsigned int get_nr_children() const;
  node *get_child(std::size_t i) const;
  void add_child(node *child);
  void print(std::ostream &str, std::size_t depth = 0) const;
  std::string print_recursive(std::size_t depth = 0,
                              std::set<const node *> visited = {}) const;

private:
  std::string name;
  std::vector<node *> children;
  bool destroy =
      false; // gets set by the destructor,
             // allows deletion of recursive trees with a recursive destructor
  static unsigned int node_id;
};

extern std::ostream &operator<<(std::ostream &os, node &n);

node *create_complete_tree(std::size_t nr_child_nodes, unsigned int tree_depth);