#ifndef _person_h_
#define _person_h_

#include <list>
#include <string>

using std::list;
using std::string;

// a promise to define this class later
class Message;

// The person class has a name a list of other people who this person
// considers to be friends.  Note: the friendship relationship is not
// necessarily bi-directional.  A person also has a list of messages.

class Person {
public:

  // CONSTRUCTOR
  Person(const string &name) { m_name = name; }
  
  // ACCESSORS
  const string& get_name() const { return m_name; }
  const list<Person*>& get_friends() const { return m_friends; }
  const list<Message*>& get_messages() const { return m_messages; }
  bool is_friend(Person* person) const;

  // MODIFIERS
  // These functions return false if the operation was not
  // successfully completed.
  bool add_friend(Person *person);
  bool remove_friend(Person* person);
  bool add_message(Message *message);
  bool remove_message(Message *message);

private:

  // REPRESENTATION
  string m_name;
  list<Person*> m_friends;
  list<Message*> m_messages;
};

#endif