#ifndef NODE_H
#define NODE_H

#include <vector>
#include <string>
#include <sstream>
#include <functional>
#include <iostream>

class Node {

public:
    Node(const std::string& name = "");
    virtual ~Node();

    std::string get_name() const;
    void set_name(const std::string& new_name);

    int get_nr_children() const;
    Node* get_child(int i) const;
    void add_child(Node* child);

    void print(std::ostream& str = std::cout, uint32_t depth = 0) const;
    static Node* create_complete_tree(uint32_t nr_child_nodes, uint32_t tree_depth);
    static void traverse_tree(const Node* node, std::function<void(const Node*, uint32_t)> predicate, uint32_t depth = 0);

private:
    std::string name;
    std::vector<Node*> children;

    static uint32_t node_id;
};

extern std::ostream& operator<<(std::ostream &os, const Node *node);

#endif // NODE_H