#include <iostream>
#include <string>
#include <stdio.h>
#include "include/CkZip.h"
#include <time.h>

using namespace std;

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)
{
    CkZip zip;
    zip.UnlockComponent("Du hast es geschaft!.txt");
    zip.SetPassword(word.c_str());
    bool success = zip.OpenZip("Brut.zip");
  if(!success)
  {
    cout << "TRY FOR '" << word << "' - FALSE" << endl;
    return false;
  } else {
    cout << "TRY FOR '" << word << "' - TRUE" << endl;
        int numFilesUnzipped = zip.Unzip("extract");
        if(numFilesUnzipped < 0)
        {
            cout << "PACK OUT ERROR" << endl;
        }
    return true;
  }
}

double getTime() {
  struct tm y2k;
  double seconds;
    time_t timer;

  y2k.tm_hour = 0;   y2k.tm_min = 0; y2k.tm_sec = 0;
  y2k.tm_year = 100; y2k.tm_mon = 0; y2k.tm_mday = 1;

  time(&timer);

  seconds = difftime(timer,mktime(&y2k));
    return seconds;
}

int main()
{
  /* --- informationen ---
  * ziffern: 6
  * buchstaben: abcdprsuw1234
  */

  // --- parameter ---
  char letters[] = "abcdprsuw1234";
  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) / sizeof(letters[0])); }

  // --- vordefinitionen ---
  string word;
  bool stop = false;
    double time1 = getTime();

  for(int i=0; i<times; i++)
  {
    if(stop == false)
    {
      word = createWord(letters, ziffern);
      if(testWord(word)) { stop = true; }
      else
      {
                ziffern[length-1]++;

                for(int i=length; i>0; i--)
        {
            if(ziffern[i] == length-1)
          {
            ziffern[i] = 0;
                        ziffern[i-1]++;
          }
        }
        if(ziffern[0] == length-1)
        {
            cout << "ERROR: NO PASSWORD FOUND" << endl;
            stop = true;
        }
      }
    } else {
            double time2 = getTime();
            cout << "Zeit:" << time2 - time1 << endl;
        }
  }
}