#include <iostream>
#include <string>
#include <conio.h>
#include <stdio.h>
#include <time.h>

using namespace std;

#define PWD_LENGTH 12
#define CAPS 2
#define NUMS 2
#define SPEC 2

int main(int argc, char* argv[]) {
    char *consonants = "bdghklmnprstz";
    char *vocals = "aeiou";
    string pwd = "";
    int conslength = strlen(consonants);
    int vocslength = strlen(vocals);
    char vocal;
    char consonant;

    srand((unsigned)time(NULL));

    while (getch() != 27) {
        pwd = "";

        for (int i = 0; i < PWD_LENGTH / 2; i++) {
            consonant = consonants[rand() % conslength];
            pwd += consonant;
            vocal = vocals[rand() % vocslength];
            pwd += vocal;
        }

        cout << "step1: " << pwd << endl;

        for (int i = 0; i < CAPS; i++) {
            int n = rand() % pwd.length();
            if (pwd[n] >= 0x61)
                pwd[n] -= 0x20;
            else
                i--;
        }

        cout << "step2: " << pwd << endl;

        for (int i = 0; i < NUMS; i++) {
            for (int j = 0; j < pwd.length(); j++) {
                switch (pwd[j]) {
                    case 'i' :
                        pwd[j] = '1';
                        j = pwd.length();
                        break;
                    case 'z' :
                        pwd[j] = '7';
                        j = pwd.length();
                        break;
                    case 's' :
                        pwd[j] = '2';
                        j = pwd.length();
                        break;
                    case 'b' :
                        pwd[j] = '6';
                        j = pwd.length();
                        break;
                    case 'o' :
                        pwd[j] = '0';
                        j = pwd.length();
                        break;
                    case 'g' :
                        pwd[j] = '9';
                        j = pwd.length();
                        break;
                }
            }
        }

        cout << "step3: " << pwd << endl;

        for (int i = 0; i < SPEC; i++) {
            for (int j = 0; j < pwd.length(); j++) {
                switch (pwd[j]) {
                    case 'i' :
                        pwd[j] = '!';
                        j = pwd.length();
                        break;
                    case 's' :
                        pwd[j] = '$';
                        j = pwd.length();
                        break;
                    case 'a' :
                        pwd[j] = '@';
                        j = pwd.length();
                        break;
                    case 'l' :
                        pwd[j] = '|';
                        j = pwd.length();
                        break;
                }
            }
        }

        cout << "step4: " << pwd << endl << endl;
    }

    return 1;
}