hangman/script.js at master · GhitaB/hangman · GitHub

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$(document).ready(function() {
  window.fails = 0;
  window.max_fails = 5;
  window.possible_words = [
    "romania",
    "italy",
    "france",
    "spain",
    "hungary",
    "moldova",
    "two words",
    "lorem ipsum dolor",
    "lorem ipsum dolor sit amet"
  ];
  window.secret_word = "hangman";
  window.public_word = "_______";
  window.game_is_finished = false;
  window.wrong_letters = [];


  function replace_str(str, pos, value){
    var arr = str.split('');
    arr[pos]=value;
    return arr.join('');
  }


  function choose_word() {
    var random_number = Math.floor(Math.random() * possible_words.length);
    secret_word = possible_words[random_number];
    public_word = Array(secret_word.length + 1).join("_");

    for(var i = 0; i <= secret_word.length; i++) {
      if(secret_word[i] == " ") {
        public_word = replace_str(public_word, i, " ");
      }
    }
  }


  function game_over() {
    $("p#status").text("Game over! The word was: " + secret_word);
    game_is_finished = true;
  }


  function fail() {
    $("img#main-image").attr("src", "./images/" + fails.toString() + ".png");
    $("p#status").text("Wrong letters: " + wrong_letters);

    if(fails > max_fails) {
      game_over();
    } else {
      fails++;
    }
  }


  function win() {
    $("p#status").text("Congrats!");
    game_is_finished = true;
  }


  function test_letter(letter) {
    return secret_word.indexOf(letter);
  }


  function refresh_public_word() {
    $("p#public-word").text(public_word);
  }


  function add_wrong_letter(letter) {
    if (wrong_letters.indexOf(letter) > -1)
      return false;
    else {
      wrong_letters.push(letter);
      return true;
    }
  }


  function start_game() {
    choose_word();
    refresh_public_word();

    $(document).keypress(function(event) {
      if(!game_is_finished) {
        var key = String.fromCharCode(event.which).toLowerCase();
        if (key.match(/[a-z]/g)){
        var test = test_letter(key);
        if(test != -1) {
          for(var i = 0; i <= secret_word.length; i++) {
            if(secret_word[i] == key) {
              public_word = replace_str(public_word, i, key);
            }
          }

          refresh_public_word();

          if(public_word == secret_word) {
            win();
          }
        } else if (add_wrong_letter(key)){
          fail();
        }
      }
      }
    });
  }

  start_game();
});