#ifndef SCREEN_HH
# define SCREEN_HH_

# include <ncurses.h>
# include <deque>

#define KEY_RETURN 10
#define KEY_EOF 4

class Screen {
public:
  typedef std::deque<string> t_lines;

public:
  Screen();
  void init();
  void login();
  void dialog();
  void eventsloop();
  void msg_print(const string &s);

private:
  void create_windows();

  void cmd_draw();

  void msg_draw();
  void msg_add(const string &s);
  void msg_load(const string &filename);
  void msg_save(const string &filename) const;
  const string &msg_get(size_t i) const;
  size_t msg_size() const;

  bool add_char(char c, char *string, ssize_t offset, size_t buf_len);
  bool del_char(char *string, ssize_t offset, size_t buf_len);

private:
  // msg window
  WINDOW *msg_;
  t_lines msg_table_;
  char *msg_buffer_;

  // cmd window
  WINDOW *cmd_;
  char cmd_buffer_[MAX_LINE_SIZE];
  char cmd_history_buffer_[MAX_LINE_SIZE];
  size_t cmd_buf_off_;
  size_t cmd_win_off_;
  size_t cmd_history_off_;
};

Screen &operator<< (Screen &, const string &s);

#endif