blackjack submission

script.js

@@ -1,4 +1,166 @@
-var main = function (input) {
-  var myOutputValue = 'hello world';
-  return myOutputValue;
-};
+var cardDeck = [];
+var playerCards = [];
+var compCards = [];
+var gameStep = "start";
+var win = 0;
+var sumOfPlayerCards = 0;
+var sumOfCompCards = 0;
+
+function createDeck() {
+  var suits = ["hearts", "diamonds", "clubs", "spades"];
+  var nums = [
+    "ace",
+    "two",
+    "three",
+    "four",
+    "five",
+    "six",
+    "seven",
+    "eight",
+    "nine",
+    "ten",
+    "jack",
+    "queen",
+    "king",
+  ];
+
+  for (var i = 0; i < nums.length; i++) {
+    for (var j = 0; j < suits.length; j++) {
+      var card = {
+        name: nums[i] + " " + suits[j],
+        suit: suits[j],
+        num: i + 1,
+      };
+
+      cardDeck.push(card);
+    }
+  }
+}
+
+function getRandomIndex() {
+  return Math.floor(Math.random() * 52);
+}
+
+function shuffleCards() {
+  var currentIndex = 0;
+  while (currentIndex < cardDeck.length) {
+    var randomIndex = getRandomIndex(cardDeck.length);
+    var randomCard = cardDeck[randomIndex];
+    var currentCard = cardDeck[currentIndex];
+    cardDeck[currentIndex] = randomCard;
+    cardDeck[randomIndex] = currentCard;
+    currentIndex = currentIndex + 1;
+  }
+  return cardDeck;
+}
+
+function dealCards() {
+  playerCards = [cardDeck.pop(), cardDeck.pop()];
+  compCards = [cardDeck.pop(), cardDeck.pop()];
+}
+
+function sumCards(input) {
+  var sum = 0;
+  var hasAce = false;
+
+  for (var i = 0; i < input.length; i++) {
+    var cardValue = input[i].num;
+
+    if (cardValue > 10) {
+      sum += 10;
+    } else if (cardValue == 1) {
+      hasAce = true;
+      sum += 11; // Assume Ace is worth 11 initially
+    } else {
+      sum += cardValue;
+    }
+  }
+
+  // If the sum is greater than 21 and there's an Ace, adjust the value of Ace to 1
+  while (sum > 21 && hasAce) {
+    sum -= 10;
+    hasAce = false; // Ensures we don't keep subtracting for multiple Aces
+  }
+
+  return sum;
+}
+
+function checkForBlackJack() {
+  sumOfPlayerCards = sumCards(playerCards);
+
+  if (
+    (playerCards[0].num == 1 && playerCards[1].num >= 10) ||
+    (playerCards[1].num == 1 && playerCards[0].num >= 10)
+  ) {
+    return "Blackjack! Player wins.";
+  } else if (
+    (compCards[0].num == 1 && compCards[1].num >= 10) ||
+    (compCards[1].num == 1 && compCards[0].num >= 10)
+  ) {
+    return "Blackjack! Computer wins.";
+  } else {
+    return "Would you like to hit or stand?";
+  }
+}
+
+function playerHit() {
+  playerCards.push(cardDeck.pop());
+  console.log(playerCards);
+}
+
+function playerStand() {
+  console.log(compCards);
+  sumOfCompCards = sumCards(compCards);
+  // console.log(sumOfCompCards);
+  while (sumOfCompCards <= 16) {
+    // console.log(cardDeck);
+    compCards.push(cardDeck.pop());
+    sumOfCompCards = sumCards(compCards);
+  }
+}
+
+function checkWhoWins() {
+  sumOfCompCards = sumCards(compCards);
+  sumOfPlayerCards = sumCards(playerCards);
+  if (sumOfPlayerCards > 21 && sumOfCompCards > 21) {
+    return "Both over 21. Type 'restart' to play again.";
+  } else if (sumOfPlayerCards > 21) {
+    return "Over 21, you lose! Computer wins! Type 'restart' to play again.";
+  } else if (sumOfCompCards > 21) {
+    return "Computer over 21, you win! Type 'restart' to play again.";
+  } else if (sumOfPlayerCards == sumOfCompCards) {
+    return "It's a tie. Type 'restart' to play again.";
+  } else if (sumOfPlayerCards > sumOfCompCards) {
+    return "You win! Type 'restart' to play again.";
+  } else if (sumOfCompCards > sumOfPlayerCards) {
+    return "Computer wins! Type 'restart' to play again.";
+  }
+}
+
+function main(input) {
+  if (gameStep == "start" || input == "restart") {
+    createDeck();
+    shuffleCards();
+    dealCards();
+    startingResults = checkForBlackJack();
+    gameStep = "hit or stand";
+    // console.log(gameStep);
+    return `Player cards: ${playerCards[0].name}, ${playerCards[1].name} <br><br> Computer cards: ${compCards[0].name}, ${compCards[1].name} <br><br> ${startingResults}`;
+  } else if (input == "hit") {
+    playerHit();
+    return `Player cards: ${playerCards
+      .map((card) => card.name)
+      .join(", ")} <br><br> Computer cards:  ${compCards
+      .map((card) => card.name)
+      .join(", ")} `;
+    // map creates an array of card.name join joins them into a string separated by ,
+  } else if (input == "stand") {
+    playerStand();
+    var results = checkWhoWins();
+    return `Player cards: ${playerCards
+      .map((card) => card.name)
+      .join(", ")} <br><br> Computer cards:  ${compCards
+      .map((card) => card.name)
+      .join(", ")} <br><br> Results: ${results}`;
+  }
+}