PIPES - Kimberley Zell - JS-Scrabble

scrabble.js

@@ -1,14 +1,112 @@
 const Scrabble = {
+
   score: function(word) {
-    // TODO: implement score
-  }
+    let scoringHash = { 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
+    };
+
+    let score = 0;
+
+    if (word.length < 1) {
+      throw new Error ('Cannot score - no word entered');
+    }
+
+    if (word.length >= 1) {
+      if ((/^[a-zA-Z]+$/.test(word)) == false) {
+        throw('Word must contain only letters A-Z');
+      }
+    }
+
+    let letters = word.toUpperCase().split('');
 
-  // TODO: add the highestScoreFrom method
+    if (letters.length == 7) {
+      score += 50
+    } else if (letters.length > 7) {
+      throw('Maximum 7 letters are allowed!');
+    }
 
+    letters.forEach(function(letter) {
+      score += scoringHash[letter];
+  })
+
+  return score;
+},
+
+  highestScoreFrom: function(arrayOfWords) {
+    let highestScoreWord = '';
+    if (arrayOfWords.length < 1) {
+      throw('No words have been played yet');
+    } else {
+      arrayOfWords.forEach(function(word) {
+        if (highestScoreWord === '' || Scrabble.score(word) > Scrabble.score(highestScoreWord)) {
+          highestScoreWord = word;
+        }
+        else if (Scrabble.score(word) === Scrabble.score(highestScoreWord)) {
+          if (word.length === 7 && word.length > highestScoreWord.length) {
+            highestScoreWord = word;
+          } else if (highestScoreWord.length < 7 && word.length < highestScoreWord.length) {
+            highestScoreWord = word;
+          }
+        }
+      }
+    )}
+
+    return highestScoreWord;
+  }
 };
 
 Scrabble.Player = class {
-  // TODO: implement the Player class
+  constructor(name) {
+    this.name = name;
+    this.plays = [];
+
+    if (name === undefined) {
+      throw('Player must have a name');
+    }
+  }
+
+  play(word) {
+    if (this.hasWon() === true) {
+      return false;
+    } else {
+    let wordScore = Scrabble.score(word);
+    this.plays.push(word);
+    return true;
+    }
+  };
+
+  highestScoringWord(plays) {
+    return Scrabble.highestScoreFrom(this.plays);
+  }
+
+  highestWordScore() {
+    return Scrabble.score(this.highestScoringWord(this.plays));
+  }
+
+  hasWon() {
+    if (this.totalScore() >= 100) {
+      return true;
+    } else {
+      return false;
+    }
+  }
+
+  totalScore() {
+    let total = 0;
+    let allPlays = this.plays
+
+    if (allPlays === undefined) {
+      return total;
+    } else {
+      allPlays.forEach(function(word) {
+        total += Scrabble.score(word);
+      });
+    }
+    return total
+  }
+
 };
 
 module.exports = Scrabble;