Branches - Macaria

src/adagrams.js

@@ -1,7 +1,133 @@
 const Adagrams = {
   drawLetters() {
-    // Implement this method for wave 1
+    const letterPool = {
+      A: 9,
+      B: 2,
+      C: 2,
+      D: 4,
+      E: 12,
+      F: 2,
+      G: 3,
+      H: 2,
+      I: 9,
+      J: 1,
+      K: 1,
+      L: 4,
+      M: 2,
+      N: 6,
+      O: 8,
+      P: 2,
+      Q: 1,
+      R: 6,
+      S: 4,
+      T: 6,
+      U: 4,
+      V: 2,
+      W: 2,
+      X: 1,
+      Y: 2,
+      Z: 1
+    };
+    const lettersArr = [];
+
+    Object.keys(letterPool).forEach(key => {
+      const quantity = letterPool[key];
+      for (let i = 0; i <= quantity; i += 1) {
+        lettersArr.push(key);
+      }
+    });
+
+    const hand = this.getRandomLettersArr(lettersArr);
+    return hand;
+  },
+  getRandomLettersArr(lettersArr) {
+    let handIndexes = [];
+    while (handIndexes.length < 10) {
+      let randomIndex = Math.floor(Math.random() * lettersArr.length);
+      if (handIndexes.indexOf(randomIndex) === -1) {
+        handIndexes.push(randomIndex);
+      }
+    }
+
+    let hand = [];
+    handIndexes.forEach(index => hand.push(lettersArr[index]));
+    return hand;
   },
+  usesAvailableLetters(input, lettersInHand) {
+    let handCopy = [];
+    let inputArray = input.split("");
+    handCopy.push(lettersInHand);
+    lettersInHand.forEach(function(tile) {
+      if (inputArray.includes(tile)) {
+        let indexOfTile = handCopy.indexOf(tile);
+        handCopy.splice(indexOfTile, 1);
+        inputArray.splice(inputArray.indexOf(tile), 1);
+      } else {
+        return false;
+      }
+    });
+
+    if (inputArray.length > 0) {
+      return false;
+    }
+
+    return true;
+  },
+  scoreWord(word) {
+    let score = 0;
+    word
+      .toUpperCase()
+      .split("")
+      .forEach(function(letter) {
+        switch (letter) {
+          case "A":
+          case "E":
+          case "I":
+          case "O":
+          case "U":
+          case "L":
+          case "N":
+          case "R":
+          case "S":
+          case "T":
+            score += 1;
+            break;
+          case "D":
+          case "G":
+            score += 2;
+            break;
+          case "B":
+          case "C":
+          case "M":
+          case "P":
+            score += 3;
+            break;
+          case "F":
+          case "H":
+          case "V":
+          case "W":
+          case "Y":
+            score += 4;
+            break;
+          case "K":
+            score += 5;
+            break;
+          case "J":
+          case "X":
+            score += 8;
+            break;
+          case "Q":
+          case "Z":
+            score += 10;
+            break;
+        }
+      });
+    if (word.length >= 7 && word.length <= 10) {
+      score += 8;
+    }
+
+    return score;
+  }
 };
 
 // Do not remove this line or your tests will break!