//This file is main.C (C++ example).

#include <iostream>
#include <cstdlib>
#include <ctime>
#include <string>
#include <algorithm>   //for copy, fill, find, random_shuffle, sort

#include "printable.h"
#include "terminal3d.h"

using namespace std;

typedef terminal3d<printable> terminal_t;

int main()
{
	srand(static_cast<unsigned>(time(0)));
	const terminal_t term("192.168.20.199", 9265, '.');
	const terminal_t::iterator center(term,
		term.xmax() / 2,
		term.ymax() / 2,
		term.zmax() / 2);
	terminal_t::iterator it = center;
	const terminal_t::difference_type down = term.xmax();

	it[1] = it[0] = 'X';

	//Move one step from the center towards the begin, and write a 'Y'.
	const terminal_t::difference_type d = term.step(center, term.begin());
	it += d;
	*it = 'Y';

	//Move one step from the center away from the begin, and write a 'Z'.
	it = center;
	it -= d;
	*it = 'Z';

	//Move a random step away from the center, and write an 'R'.
	it = center;
	it += term.rand();
	*it = 'R';

	it = term.begin();
	string s = "qwertyuiopasdfghjklzxcvbnm";
	copy(s.begin(), s.end(), it);

	it += down;
	copy(s.begin(), s.end(), it);
	sort(it, it + s.size());

	it += down;
	copy(s.begin(), s.end(), it);
	sort(it, it + s.size(), greater<terminal_t::value_type>());

	it += down;
	copy(s.begin(), s.end(), it);
	random_shuffle(it, it + s.size());

	s = "Please type printable characters ending with a q: ";
	it += down;
	it = copy(s.begin(), s.end(), it);

	for (; it != term.end(); ++it) {
		char c;   //uninitialized variable
		while ((c = term.key()) == '\0') {
		}

		if (c == 'q') {
			break;
		}

		*it = c;
	}

	fill(term.begin(), term.end(), term.background());   //Clear the screen.

	s = "Etch-a-sketch: please type hjklfbq for "
		"left, down, up, right, forward, backward, quit.";
	copy(s.begin(), s.end(), term.begin());

	it = find(term.begin(), term.end(), 's');
	if (it != term.end()) {
		*it = 'S';
	}

	const terminal_t::keypad_t k = term.keypad();

	for (it = center;;) {
		*it = 'X';

		char c;   //uninitialized variable
		while ((c = term.key()) == '\0') {
		}

		if (c == 'q') {
			break;
		}

		const terminal_t::keypad_t::const_iterator i = k.find(c);
		if (i == k.end() || !term.in_range(it + i->second)) {
			term.beep();
		} else {
			it += i->second;
		}
	}

	term.beep();
	term.wait(1000);
	return EXIT_SUCCESS;
}