#include <iostream>
#include <string>
#include <stdio.h>
#include <array>

using namespace std;

string exec(const char* cmd) {
    FILE* pipe = popen(cmd, "r");
    if (!pipe) return "ERROR";
    char buffer[128];
    string result = "";
    while(!feof(pipe)) {
        if(fgets(buffer, 128, pipe) != NULL)
            result += buffer;
    }
    pclose(pipe);
    return result;
}

string createWord(char letters[], int ziffern[])
{
    string word = "";

    for(int i=0; i<sizeof(ziffern); i++) { word += letters[ziffern[i]]; }

    return word;
}

bool testWord(string word)
{
    string result = exec(("7za.exe e Brut.zip -p" + word + " -y").c_str());

    if(result[137] == 'D')
    {
        cout << "TRY FOR '" << word << "' - FALSE" << endl;
        return false;
    } else {
        cout << "TRY FOR '" << word << "' - TRUE" << endl;
        return true;
    }
}

int main()
{
    /* --- informationen ---
     * ziffern: 6
     * buchstaben: abcdefghijklmnopqrstuvwxyz12345
    */

    // --- parameter ---
    char letters[] = "abcdefghijklmnopqrstuvwxyz12345";
    int length = 6;

    // --- ausrechnen ---
    int ziffern[length];
    for(int i=0; i<length; i++) { ziffern[i] = 0; }

    int times = 1;
    for(int i=0; i<length; i++) { times *= (sizeof(letters))-1; }

    //int z1 = 0, z2 = 0, z3 = 0, z4 = 0, z5 = 0, z6 = 0;

    // --- vordefinitionen ---
    string word;
    bool stop = false;

    for(int i=0; i<times; i++)
    {
        if(stop == false)
        {
            word = createWord(letters, ziffern);
            if(testWord(word)) { stop = true; }
            else
            {
                ziffern[sizeof(ziffern)-1]++;
                for(int i=sizeof(ziffern); i>0; i--)
                {
                    if(ziffern[i] == sizeof(letters))
                    {
                        ziffern[i] = 0;
                        ziffern[i-1]++;
                    }
                }
                if(ziffern[0] == sizeof(letters))
                {
                    cout << "ERROR: NO PASSWORD FOUND" << endl;
                    stop = true;
                }
            }
        }
    }
}