#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <time.h>
#include <ctype.h>

#define A_BOLD "\x1b[1m"
#define A_NORM "\x1b[0m"
#define little_pause fflush(stdout); sleep(1);

#define NUM_Q 40
#define MAX_Q 67

struct q {
	char *question;
	int yes, no, maybe;
};

char answered[MAX_Q];

char *ratio_names[11] = {
	"lower form of life",			/* 00 - 09 % */
	"idiot",				/* 10 - 19 % */
	"plain stupid person",			/* 20 - 29 % */
	"loser",				/* 30 - 39 % */
	"newbie",				/* 40 - 49 % */
	"wannabee",				/* 50 - 59 % */
	"promising wannabe",			/* 60 - 69 % */
	"hacker",				/* 70 - 79 % */
	"true hacker",				/* 80 - 89 % */
	"wizard",				/* 90 - 99 % */
	"potential demigod",			/* 100 % */
};

struct q question[MAX_Q] = {
	/* programming */
	{ "Can you program", 3, -5, -3 },
	{ "Can you program quickly", 4, -3, 0 },
	{ "Do you like using (any kind of) Basic or Pascal", -5, 3, -3 },
	{ "Do you know C, C++, Java, Smalltalk or Lisp", 2, -2, 0 },
	{ "Do you like C, C++, Java, Smalltalk or Lisp", 3, -3, 0 },
	{ "Do you know any two of C, Java or Lisp", 5, 0, 1 },
	{ "Do you know more than three programming languages", 5, 0, 2 },
	{ "Do you think pseudo-code and/or flowcharts are usable", -5, 3, -3 },
	{ "Do you like programming", 2, -2, -1 },
	{ "Are you obsessed with programming", 4, -1, 1 },
	{ "Have you ever programmed more than 12 hours in one day", 5, 0, 2 },
	{ "Have you ever made a program that was widely used", 4, 0, 2 },
	{ "Have you ever made a program that does/displays something funny/nice\nbut is othervise completely useless", 5, 0, 1 },

	/* OS-es */
	{ "Do you like MS-DOS(tm)(r)(c) and/or MS Windows(tm)(r)(c)", -5, 1, -3 },
	{ "Do you like Unix", 4, -3, 1 },
	{ "Have you ever written command on command prompt that was more than one\nline long", 4, -2, 2 },
	{ "Do you think command prompt is over-cryptic and unusable", -4, 1, -2 },
	{ "Do you like point-and-click-only user interfaces", -4, 1, -1 },
	{ "Have you ever written device driver or something similar", 5, 0, 0 },
	{ "Have you ever worked on VMS or ITS and liked it", 2, 0, 0 },
	{ "Have you ever worked on VMS, ITS or several flavors of Unix", 3, -5, 0 },
	{ "Have you written your own OS", 3, 0, -2 },
	{ "Does your home box(en) have a _real_ OS (i.e. not Windoze)", 3, -3, -2 },
	{ "Are you expert at some program/operating system", 5, 0, 2 },
	{ "Do you enjoy exploring programmable systems and streching their\ncapabilities", 5, -3, 1 },

	/* information wants to be free! */
	{ "Do you believe in information-sharing", 3, -3, 0 },
	{ "Do you believe it's your duty to share your information, knowledge,\nexpertise and/or computing resources to everyone", 4, -1, 2 },

	/* humor */
	{ "Would you laugh if you saw Volkswagen Beetle with vanity license plate\nwhich reads `FEATURE'", 3, 0, 1 },
	{ "Would you laugh if you saw red index card with `GREEN'\nwritten on it", 3, 0, 1 },
	{ "Are you fascinated with paradoxes and form vs. content jokes", 3, 0, 1 },
	{ "Do you like parodies of various intellectual constructs", 3, 0, 1 },
	{ "Have you ever made intellectual parody of some sort", 4, 0, 2 },
	{ "Do you like wordplays", 3, 0, 1 },
	{ "Do you like jokes that involve logical reasoning from\nludicrous premises", 3, 0, 1 },
	{ "Do you like Zen or Tao", 3, 0, 1 },
	{ "Do you like Zen koans", 3, 0, 1 },

	/* cracker tripwire */
	{ "Are you a cracker", -5, 0, -2 },
	{ "Do you like cracking root", -15, 0, -5 },
	{ "Have you ever crashed a system on purpose", -15, 0, -5 },
	{ "If you crack a system, would you inform the owner about it", 5, -5, 0 },
	{ "Do you often use other people's exploits", -10, 0, -5 },
	
	/* misc */
	{ "Has any computer-literate person called you a hacker", 3, 0, 2 },
	{ "Do you like wearing business suits", -5, 5, 0 },
	{ "Do you like to read (something that's not technical manual)", 4, 0, 2 },
	{ "Do you like S.F. or fantasy", 4, 0, 2 },
	{ "Do you like logic puzzles", 3, 0, 1 },
	{ "Are you interested in midievalisam", 1, 0, 1 },
	{ "Do you like sport", -2, 0, 0 },
	{ "Do you like watching sport on TV", -2, 2, 0 },
	{ "Do you like team sports", -2, 0, 0 },
	{ "Do you like Smurfs, Ewoks, teddy-bears, ...", -2, 0, -1 },
	{ "Do you like bureaucracies", -5, 5, 0 },
	{ "Do you watch TV a lot", -5, 0, -2 },
	{ "Do you like stupid people (huh...what a question)", 0, 0, 0 },
	{ "Are you a very religious person", -3, 0, -1 },
	{ "Do you use drugs", -5, 0, -3 },
	{ "Do you use caffeine (cofee, cola) often", 4, 0, 2 },
	{ "Do you use computers (and enjoy it) more than 4 hours per day, 7 days\nper week, 4 weeks per month", 4, 0, 2 },
	{ "Is all-night hacking common to you", 5, 0, 3 },
	{ "Do you have very high speaching skills", -1, 3, 0 },
	{ "Do you have good/nice/beautiful handwriting", -1, 3, 0 },
	{ "Are you curious", 5, 0, 2 },
	{ "Do you think it is perfectly acceptable to lie", -10, 0, -3 },
	{ "Do you communicate well with other people", -1, 1, 0 },
	{ "Do you have trouble identifying emotionally with other people", 2, 0, 1 },
	{ "Could you read 300 page book in one day and actually remember\nmost of it", 5, 0, 2 },
	{ "Do you thinkg there are too many stupid people on this world", 2, 0, 1 },
};

long score = 0UL, max_score = 0UL;

void intro(void)
{
	char tmp[256];
	printf("So...you wanna know if you're a " A_BOLD "hacker" A_NORM ", huh?\n");
	little_pause;
	printf("Well, if you have to ask, you'll never know...but I'm here to give you a\nhint. ");
	printf("If we lived in a simple universe and if hacking was easy to explain,\n");
	printf("this test would give you the definitive answer. In Real World, however,\n");
	printf("things aren't so simple, so this test gives you only probability of you\n");
	printf("being one.\n");
	printf("This test is based on the entries about hackers in The Jargon File, and\n");
	printf("was compiled by Senko Rasic <senko@fly.srk.fer.hr>.\n\n");
	little_pause;
	printf("You will be asked %d questions. Answer them with y (== yes), n (== no)\n", NUM_Q);
	printf("xor m (== maybe, sometimes). Please answer honestly, else you'll just fool\n");
	printf("yourself. Press enter to start...\n"); fgets(tmp, 255, stdin);
}

void ask_question(void)
{
	int rdnq;
	char tmp[20], answer;

	do rdnq = rand() % MAX_Q; while (answered[rdnq]);

	answered[rdnq] = 1;
	printf(A_NORM "%s (y/n/m)? " A_BOLD, question[rdnq].question);
	fgets(tmp, 19, stdin); tmp[19] = 0;
	answer = tolower(tmp[0]);
	max_score += (question[rdnq].yes > question[rdnq].no) ?
		question[rdnq].yes : question[rdnq].no;

	switch (answer) {
		case 'y':	score += question[rdnq].yes; break;
		case 'n':	score += question[rdnq].no; break;
		default:	printf("Answer `maybe' assumed.\n"); 
		case 'm':	score += question[rdnq].maybe; break;
	}
}

unsigned int get_ratio(void)
{
	if (max_score < 1) {
		score += 1 - max_score;
		max_score = 1;
	}
	if (score < 0) {
		max_score -= score;
		score = 0;
	}
	return (unsigned int) (score * 1000) / max_score;
}


int main(void)
{
	unsigned int i;
	
	intro();
	srand(time(NULL));
	for (i = 0; i < MAX_Q; i++) answered[i] = 0;
	for (i = 0; i < NUM_Q; i++) ask_question();

	i = get_ratio();
	
	printf(A_NORM "\nYour ratio is " A_BOLD "%02d,%01d%%" A_NORM ". ",
		i / 10, i % 10);
	printf("This qualifies you as a " A_BOLD "%s" A_NORM ".\n",
		ratio_names[i / 100]);

	printf("Remember that this test results are not absolute, maybe even not close\n");
	printf("to the truth. They are by no means something to brag about.\n");
	return 0;
}