main.js

var problemList = [
  {
    label: "1. 100 krát opakovaná lož ...",
    name: "mh_emo",
    hash: "5fc5bce200956262a6ec0a7b0d86766b6728cfd91ace9b2c8179dc57d670cf1d",
    correct: "c9022680f888674e2b2274758755bfa07dea729b68d71cde5c521ed70ef261bf"
  },

  {
    label: "2. Počasie",
    name: "mh_temperature",
    hash: "425cf60b1051a51738ef7e9ea67bbc4fc7276c1049384a77f57a2832b3def71d",
    correct: "259aa8ef98a8b91de574cd904138ef643240c23080cf24da4793a6f10a43fa9d"
  },

  {
    label: "3. Koľajnice",
    name: "mh_sum_over_100",
    hash: "5e343d4f2ee6a9cff164b284c22a82b4fc65b67f2ef1502804754a72f3af7bc2",
    correct: "44c5e7071f3a75a22457bc5f06d3e2ba564b4d6ee8165fb0e9087bacf953bcc3"
  },

  {
    label: "4. Hviezdičková pyramída",
    name: "mh_stars",
    hash: "31f46eccca6923dc21e5e8530618df04bb704e0759e7da8ca8f5f010aa7c7db2",
    correct: "d3cec99112255db9bf4963f7798562b6a36f1bd0b2016918629e007d474deb70"
  },

  {
    label: "5. 3k+1 (Collatz)",
    name: "et_collatz",
    hash: "70d6ca2c5af06d1ecee596fd110762df5efefa72cd4a8bbcdb8ca9a96de5f885",
    correct: "486ea46224d1bb4fb680f34f7c9ad96a8f24ec88be73ea8e5a6c65260e9cb8a7"
  },

  {
    label: "6. Sort",
    name: "mh_sort",
    hash: "c52fbfe4a45db3ec8c89834cd3e66ef40599cc13a557bc08d538c80ae812d4f4",
    correct: "dea7111a8406e27cfc8bf5f49c5d40898402b0b584b3285f069170a36f9eec31"
  },

  {
    label: "7. Palindrómy",
    name: "et_palindrom",
    hash: "69bee726b4ca48d01f842d9e078da166315c1ae1bf54f771c8a76e98de9961b6",
    correct: "60be9861750facbfad8758254a2f76c0cfe78d54459a3bc187d49b1401fcd8e8"
  },

  {
    label: "8. Počet deliteľov",
    name: "et_divisors",
    hash: "fc32bd911e6e3142457a172595b1fb18f5a943064c26be9930dfde3c2247adea",
    correct: "3fc4ccfe745870e2c0d99f71f30ff0656c8dedd41cc1d7d3d376b0dbe685e2f3"
  },

  {
    label: "9. Frekvencia písmen v texte",
    name: "et_letter_freq",
    hash: "95f720c71992354bfbb32731ab6064244a937dd2398fabfad5e440850af67a37",
    correct: "d34a569ab7aaa54dacd715ae64953455d86b768846cd0085ef4e9e7471489b7b"
  },

  {
    label: "10. Cézarova šifra",
    name: "et_ceasar",
    hash: "fabfad058ac03fe02b2f96010d418fd4e858b8eb5d55c91d44231c800623251c",
    correct: "ab5e9e376f9539179e465f248595caac9789aed486e8da331495e2cf8f4c5634"
  },

  {
    label: "11. Rímske čísla",
    name: "mh_roman_numerals",
    hash: "d92bb51513c12657ecea21dd48813670b18433ec4d324137294b6d360a967d8a",
    correct: "62484e22a6a5ade1ba25cb1b7c55c4b8861de24caddab73c9409742734008b26"
  },

  {
    label: "12. Štvorce",
    name: "mh_squares",
    hash: "f9129fcf0412134d63f6424f74954fa975d92142bbfdb7b20696197ddbce6767",
    correct: "bbc5e661e106c6dcd8dc6dd186454c2fcba3c710fb4d8e71a60c93eaf077f073"
  },

  {
    label: "13. Nsd a nsn",
    name: "et_gcd_nsn",
    hash: "665f95d3874dfbb470332d11a7e4aee0b78a7384b4ca0b7129c68f48ea3c8f49",
    correct: "aa97302150fce811425cd84537028a5afbe37e3f1362ad45a51d467e17afdc9c"
  },

  {
    label: "14. Konvertovanie čísla do inej sústavy",
    name: "et_convert",
    hash: "69ea23287b29333463a27782d0c48659b6b75c2e31a550dc8ad8c73e4ec1f2e8",
    correct: "59d6d61431fce7d91388d0c60374ddaadc1acd8370221e11b029621656d5ccec"
  },

  {
    label: "15. Trojuholníky",
    name: "mh_trinagles",
    hash: "53b9e8f28ddaaae7fd5e030f5c99fbd36f5bef3955dfb0a57de3465fd47900c3",
    correct: "4cb4ea25583c25647247ae96fc90225d99ad7a6fabc3e2c2fd13c502e323cd9e"
  },

  {
    label: "16. Počet núl na konci faktoriálu",
    name: "et_factorial_zero",
    hash: "d24fd2685b7f6578b300c58d53f33e1bacb9cf1a883d98a67b67401a302beb1a",
    correct: "a6a2729cbf6bcadce577a31f7f76201d5ce63c57d6c53318000d67714bb354ef"
  },

  {
    label: "17. Púštne ostrovy",
    name: "mh_islands",
    hash: "2fedef199225813c5001ca71bb1e3604bd9365765690cf5a056f767057bc3109",
    correct: "80f189984e5ca70287d13342f6daa0db45cba3c131c4e46dc81360f3a4c4f690"
  },

  {
    label: "18. Maxálny súvislý podsúčet",
    name: "et_max_subsum",
    hash: "c0f3900466b0c4e631ee8e94a07bd2a0a299ac60f3bf74d53661f24291672571",
    correct: "38a81e87e79631e602bf5fbd307ce2fcd382b1670c585ea09032aac778a80531"
  },

  {
    label: "19. Sudoku solver",
    name: "et_sudoku",
    hash: "ba3fd186830c6cf1fcf5fc3f689140d78e6ee8b51105f90b00db907265e5c57d",
    correct: "d70afca615203838da3d858e60dda12f900e83e4a6fb03a63cfadb8576ca8985"
  },

  {
    label: "20. Počítame",
    name: "mh_prefix_notation",
    hash: "2aa53a80b5b22cf60bc9f44c4ec2aafea06ac0e1f4561f1c5d50ff7633b22bf1",
    correct: "5b7e6bf2dc4a32a6aa4770cd5639c2c7af890fc86c273b5c8567fe5382086bf3"
  }
];

function getElem(id) {
  return document.getElementById(id);
}

function createNameKey(name) {
  return name.replace(/\s+/g, "").toLowerCase();
}

// create options for select
var selectElem = getElem("problem-select");
for (var i = 0; i < problemList.length; i++) {
  var opt = document.createElement("option");
  opt.text = problemList[i].label;
  opt.value = problemList[i].name;

  selectElem.add(opt, null);
}

// TODO: fill with correct names before the game
// TODO: remove after KSP camp is over
var people = ["Veduci A", "Veduci B", "Veduci C"];
function choose(index) {
  return people[Math.floor(Math.random() * people.length)];
}

var submitElem = getElem("submit");
var textAreaElem = getElem("input-area");
function onSubmit(e) {
  e.preventDefault();
  var submitHash = sha256(
    selectElem.value + textAreaElem.value.replace(/\r\n|\r|\n/g, "\n")
  );
  var response = getRandomResponse(submitHash);
  var problem = problemList[selectElem.selectedIndex];
  var correctWord = getCorrectResponse(problem.correct);
  if (problem.hash === submitHash) {
    response = correctWord;
  } else {
    while (response === correctWord) response = getRandomResponse(submitHash);
  }
  alert(
    problem.name +
      ": " +
      response.toUpperCase() +
      " (" +
      people[selectElem.selectedIndex % people.length] +
      ")"
  );
}
submitElem.onclick = onSubmit;