#ifndef TERMINALH
#define TERMINALH
#include <cstring>
extern "C" {
#include "term.h"
}

class terminal {
    const char _background;      //default value for third argument of put
    const unsigned _xmax, _ymax; //number of rows & columns of characters
    void check(unsigned x, unsigned y) const;
public:
    terminal(char initial_background = ' ');
    ~terminal();

    char background() const {return _background;}
    unsigned   xmax() const {return _xmax;}
    unsigned   ymax() const {return _ymax;}

    void put(unsigned x, unsigned y, char c) const;
    void put(unsigned x, unsigned y) const {put(x, y, _background);}
    void put(unsigned x, unsigned y, const char *s) const;
    void put(unsigned x, unsigned y, const std::string& s) const;

    char get(unsigned x, unsigned y) const {check(x, y); return term_get(x, y);}

    static char key() {return term_key();}
    static void wait(int milliseconds) {term_wait(milliseconds);}
    static void beep() {term_beep();}

    bool in_range(unsigned x, unsigned y) const {return x < _xmax && y < _ymax;}
    void next(unsigned& x, unsigned& y) const;
};
#endif