Phoenix - Aksana

src/adagrams.js

@@ -1,15 +1,166 @@
+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 scoreObj = {
+  A: 1, 
+  B: 3, 
+  C: 3, 
+  D: 2, 
+  E: 1, 
+  F: 4, 
+  G: 2, 
+  H: 4, 
+  I: 1, 
+  J: 8, 
+  K: 5, 
+  L: 1, 
+  M: 3, 
+  N: 1, 
+  O: 1, 
+  P: 3, 
+  Q: 10, 
+  R: 1, 
+  S: 1, 
+  T: 1, 
+  U: 1, 
+  V: 4, 
+  W: 4, 
+  X: 8, 
+  Y: 4, 
+  Z: 10
+}
+
 export const drawLetters = () => {
-  // Implement this method for wave 1
+const letterArray = [];
+for (const [letter, freq] of Object.entries(letterPool)) {
+  for (let num = 0; num < freq; num++) {
+    letterArray.push(letter);
+  };
+}
+
+const hand = [];
+const letterArrayLen = letterArray.length;
+const letterCount  = {};
+
+while (hand.length < 10 ){
+  let index = Math.floor(Math.random()*letterArrayLen);
+  let newLetter = letterArray[index];
+  if (!letterCount[newLetter]) {
+    letterCount[newLetter] = 0;
+  }
+
+  if (letterCount[newLetter] < letterPool[newLetter]){
+    hand.push(newLetter);
+    letterCount[newLetter] +=1;
+  }
+}
+console.log(hand)
+return hand;
 };
+// Implement this method for wave 1
 
 export const usesAvailableLetters = (input, lettersInHand) => {
+  let inputUp = input.toUpperCase();
+  // create an object with frequency of the letters in the input
+  // create an object with frequency of the letters in the lettersInHand
+  const inputCount = {};
+  const letterInHandCount = {};
+
+  for (const letter of inputUp) {
+    if(!inputCount[letter]){
+      inputCount[letter] = 1;
+    } else {
+      inputCount[letter] +=1; 
+    }
+  }
+
+  for (const char of lettersInHand) {
+    if (!letterInHandCount[char]) {
+      letterInHandCount[char] = 1;
+    } else {
+      letterInHandCount[char] +=1;
+    }
+  }
+// compare if the letter from input is in lettersInHand and it's frequency is not higher
+  for (const inputLetter of inputUp) {
+    if (!letterInHandCount[inputLetter] || inputCount[inputLetter] > letterInHandCount[inputLetter]){
+      return false;
+    } 
+  }
+  return true;  
+  };
+
   // Implement this method for wave 2
-};
 
-export const scoreWord = (word) => {
+
+export const scoreWord = (word) => {   
+  const wordUp = word.toUpperCase();
+  let score =0;
+  for (const letter of wordUp) {
+    score += scoreObj[letter]
+  }
+  if (wordUp.length >=7){
+    score += 8;
+  }   
+  return score;
+
   // Implement this method for wave 3
 };
 
+
 export const highestScoreFrom = (words) => {
-  // Implement this method for wave 4
+const wordScoreObj = {};
+for (const word of words) {
+  wordScoreObj[word] = scoreWord(word);
+}
+let maxScore = 0;
+let maxScoreWords = [];
+for (const [word, wScore] of Object.entries(wordScoreObj)) {
+  if (wScore > maxScore) {
+    maxScore = wScore;
+    maxScoreWords = [word];
+  } else if (maxScore === wScore) {
+    maxScoreWords.push(word);
+  }
+}
+if (maxScoreWords.length === 1){
+  return { word: maxScoreWords[0], score: maxScore };
+} else {
+    let bestScoreWord = maxScoreWords[0];
+    for (const maxWord of maxScoreWords){
+      if (maxWord.length === 10){
+        bestScoreWord = maxWord; 
+         break;
+      } else if (maxWord.length < bestScoreWord.length) {
+        bestScoreWord = maxWord;
+      } 
+    } 
+    return { word: bestScoreWord, score: maxScore};
+  } 
 };

test/adagrams.test.js

@@ -120,7 +120,8 @@ describe("Adagrams", () => {
     });
 
     it("returns a score of 0 if given an empty input", () => {
-      throw "Complete test";
+      expectScores(0);
+      // throw "Complete test";
     });
 
     it("adds an extra 8 points if word is 7 or more characters long", () => {
@@ -133,7 +134,7 @@ describe("Adagrams", () => {
     });
   });
 
-  describe.skip("highestScoreFrom", () => {
+  describe("highestScoreFrom", () => {
     it("returns a hash that contains the word and score of best word in an array", () => {
       const words = ["X", "XX", "XXX", "XXXX"];
       const correct = { word: "XXXX", score: scoreWord("XXXX") };
@@ -145,7 +146,8 @@ describe("Adagrams", () => {
       const words = ["XXX", "XXXX", "X", "XX"];
       const correct = { word: "XXXX", score: scoreWord("XXXX") };
 
-      throw "Complete test by adding an assertion";
+      //throw "Complete test by adding an assertion";
+      expect(highestScoreFrom(words)).toEqual(correct);
     });
 
     describe("in case of tied score", () => {

test/demo/model.test.js

@@ -1,7 +1,7 @@
 import Model from 'demo/model';
 import Adagrams from 'demo/adagrams';
 
-describe.skip('Game Model', () => {
+describe('Game Model', () => {
   const config = {
     players: [
       'Player A',