#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ncurses.h>

struct game
{
	int click;
	int multiplifier;
	int score;
};

int get_score (struct game *game);
void *set_score (struct game *game, int score);
int get_click (struct game *game);
void *set_click (struct game *game, int click);
int get_multiplifier (struct game *game);

int
main (void)
{
	/* Initialize NCurses screen and get the default window, stdscr */
	if ( ! initscr() )
	{
		printf("Too little amount of memory\n");
		return 1;
	}

	/* This fixes the problem of input that shows up */
	noecho();

	/* Place a border with default settings (0 means default) */
	border(0, 0, 0, 0, 0, 0, 0, 0);

	/* Get window size */
	int sy, sx;
	getmaxyx(stdscr, sy, sx);

	/* Place a string onto the window in specified location */
	char *name = "NCurses clicker";
	mvprintw(0, sx / 2 - strlen(name) / 2, name);

	char *help = "[ ] - click, [q]uit, [u]pgrade";
	mvprintw(sy - 2, sx / 2 - strlen(help) / 2, help);

	/* Refresh our window to include settings above */
	refresh();

	/* Initialize the structure and set the values */
	struct game *cur_game = malloc(sizeof(struct game));
	cur_game->click = 1;
	cur_game->multiplifier = 2;

	/* The main loop that also catches user input */
	int ch = 0;
	while (ch = getch())
	{
		if (ch == ' ')
		{
			set_score(cur_game, get_score(cur_game) + get_click(cur_game));
		}

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

		if (ch == 'u')
		{
			if (get_score(cur_game) >= 2 * get_multiplifier(cur_game))
			{
				set_score(cur_game, get_score(cur_game) - get_click(cur_game) * 2);
				set_click(cur_game, get_click(cur_game) * get_multiplifier(cur_game));
			}
		}
	}

	/* Remove the main window and exit */
	endwin();
}

int
get_score (struct game *game)
{
	return game->score;
}

void *
set_score (struct game *game, int score)
{
	game->score = score;
	mvprintw(3, 1, "%d", game->score);
}

int
get_click (struct game *game)
{
	return game->click;
}

void *
set_click (struct game *game, int click)
{
	game->click = click;
}

int
get_multiplifier (struct game *game)
{
	return game->multiplifier;
}