Wave 1

scrabble.js

@@ -1,8 +1,88 @@
+'use strict';
+
 var Scrabble = function() {};
 
-// YOUR CODE HERE
-Scrabble.prototype.helloWorld = function() {
-  return 'hello world!';
+Scrabble.prototype.splitWord = function(word) {
+  // add some data validation here later
+  var wordString = word.toUpperCase();
+  var letterArray = Array.from(wordString);
+  return letterArray;
+}
+
+Scrabble.prototype.score = function(word) {
+  // pass in splitWord
+  var letters = this.splitWord(word);
+  var wordScore = 0;
+  // loop over each element in letters
+  for (var i = 0; i < letters.length; i++) {
+    var letter = letters[i];
+    // assign a score to letter
+    var score = this.letterScores[letter];
+    // add score to running total
+    wordScore += score;
+
+  }
+  // return score for word
+  return wordScore;
+
+}
+
+Scrabble.prototype.highestScoreFrom = function(arrayOfWords) {
+  var highScore = 0;
+  var highestScoringWord = null; // using 0 should I use null instead?
+
+  for (var i = 0; i < arrayOfWords.length; i++) {
+
+    var word = arrayOfWords[i];
+    var currentWordScore = this.score(word);
+
+    if (currentWordScore == highScore){
+      if (word.length == 7 && highestScoringWord.length != 7){
+        highestScoringWord = word;
+        // if there is a word that uses all seven tiles award that word an additional 50 pts
+        highScore = currentWordScore + 50;
+         // if there is a tie, prefer the highest scorring word made with the fewest tiles
+      } else if (word.length < highestScoringWord.length) {
+        highestScoringWord = word;
+        highScore = currentWordScore; 
+      }
+    }
+
+    if (currentWordScore > highScore)  {
+      highScore = currentWordScore;
+      highestScoringWord = word;
+    }
+
+  }
+  return highestScoringWord;
+}
+
+
+// // chose to use object as these are not so much returning a actions as being acted upon
+// you need the semicolon for object literals
+Scrabble.prototype.letterScores = {
+  A: 1, E: 1, I: 1, O: 1, U: 1, L: 1, N: 1, R: 1, S: 1, T: 1,
+  D: 2, G: 2,
+  B: 3, C: 3, M: 3, P: 3,
+  F: 4, H: 4, V: 4, W: 4, Y: 4,
+  K: 5, 
+  J: 8, X: 8,
+  Q: 10, Z: 10 // NO SEMICOLON!
 };
 
-module.exports = Scrabble;
+var wordSeven = "jejunum";
+var wordThree = "wee";
+var oneScrabble = new Scrabble();
+var arrayWords = ["Ty", "Bacon", "piecrust", "tea", "eiecrust"];
+
+console.log(oneScrabble.score(wordSeven));
+console.log(oneScrabble.score(wordThree));
+console.log(oneScrabble.highestScoreFrom(arrayWords));
+
+
+
+// var myScrabble = new Scrabble();
+
+// do stuff here to test
+
+module.exports = Scrabble; // take the whole scrabble class so it can be used by other files (What do you want to be visible outside the module)