Michael Diaz WD PT MAD 9TH SEP

src/memory.js

@@ -2,17 +2,36 @@ class MemoryGame {
   constructor(cards) {
     this.cards = cards;
     // add the rest of the class properties here
+    this.pickedCards = []; // Array to store the cards selected by the user
+    this.pairsClicked = 0; // Number of pairs clicked
+    this.pairsGuessed = 0; // Number of pairs guessed correctly
+    this.shuffleCards(); // Shuffle cards when a new game is created
   }
 
   shuffleCards() {
     // ... write your code here
+    // Fisher-Yates Shuffle algorithm
+    for (let i = this.cards.length - 1; i > 0; i--) {
+      const j = Math.floor(Math.random() * (i + 1));
+      [this.cards[i], this.cards[j]] = [this.cards[j], this.cards[i]]; // Swap cards
+    }
   }
 
   checkIfPair(card1, card2) {
     // ... write your code here
+    this.pairsClicked++; // Increment pairs clicked
+
+    // Check if the two selected cards are the same
+    if (card1 === card2) {
+      this.pairsGuessed++; // Increment pairs guessed
+      return true; // Return true if they match
+    } else {
+      return false; // Return false if they do not match
+    }
   }
 
   checkIfFinished() {
     // ... write your code here
+    return this.pairsGuessed === this.cards.length / 2;
   }
 }