/**
 * Strong Password Generator by Zetex.
 * This file is provided as is (no warranties).
 *
 * A strong password:
 * ... has lowercase letters
 * ... has uppercase letters
 * ... has numbers
 * ... has symbols, such as ` ! " ? $ ? % ^ & * ( ) _ - + = { [ } ] : ; @ ' ~ # | \ < , > . ? /
 * ... is not like your previous passwords
 * ... is not a keyboard pattern, such as qwerty, asdfghjkl, or 123456789
 */

#if defined _password_generator_included
  #endinput
#endif
#define _password_generator_included

stock generate_strong_password(output[], length) {
	for (new i = 0; i < length; i++) {
		output[i] = random_symbols();
	}

	return length;
}

stock random_symbols() {
	static output; switch (random_num(0, 3)) {
		case 0: output = random_lowercase_letter();
		case 1: output = random_uppercase_letter();
		case 2: output = random_number();
		case 3: output = random_punctuation();
	}

	return output;
}

stock random_lowercase_letter() {
	return random_num('a', 'z');
}

stock random_uppercase_letter() {
	return random_num('A', 'Z');
}

stock random_number() {
	return random_num('0', '9');
}

stock random_punctuation() {
	static output; switch (random_num(0, 3)) {
		case 0: output = random_num('!', '/');
		case 1: output = random_num(':', '@');
		case 2: output = random_num('[', '`');
		case 3: output = random_num('{', '~');
	}

	return output;
}