Robin Kaga

src/main/java/com/booleanuk/Scrabble.java

@@ -1,12 +1,131 @@
 package com.booleanuk;
 
+import java.util.HashMap;
+
 public class Scrabble {
+
+    public String word;
+    public int wordScore;
+    HashMap<Character, Integer> pointMap = new HashMap<>();
+    public int multiplier = 1;
+
     public Scrabble(String word) {
+        this.word = word.toLowerCase();
+        this.wordScore = 0;
+    }
+
+    public void fillPointMap(HashMap<Character, Integer> pointMap){
+        pointMap.put('a', 1);
+        pointMap.put('e', 1);
+        pointMap.put('i', 1);
+        pointMap.put('o', 1);
+        pointMap.put('u', 1);
+        pointMap.put('l', 1);
+        pointMap.put('n', 1);
+        pointMap.put('r', 1);
+        pointMap.put('s', 1);
+        pointMap.put('t', 1);
+        pointMap.put('d', 2);
+        pointMap.put('g', 2);
+        pointMap.put('b', 3);
+        pointMap.put('c', 3);
+        pointMap.put('m', 3);
+        pointMap.put('p', 3);
+        pointMap.put('f', 4);
+        pointMap.put('h', 4);
+        pointMap.put('v', 4);
+        pointMap.put('w', 4);
+        pointMap.put('y', 4);
+        pointMap.put('k', 5);
+        pointMap.put('j', 8);
+        pointMap.put('x', 8);
+        pointMap.put('q', 10);
+        pointMap.put('z', 10);
+        pointMap.put('{', 0);
+        pointMap.put('}', 0);
+        pointMap.put('[', 0);
+        pointMap.put(']', 0);
+    }
+
+    public boolean invalidWord(String word){
+        int brackets = 0;
+        int curlyBrackets = 0;
+        for (int i = 0; i < word.length(); i++){
+            if (word.charAt(i) == '{'){
+                curlyBrackets += 1;
+                int closingIndex = word.indexOf('}', i);
+                if (closingIndex == -1) {
+                    return true;
+                }
+                String enclosed = word.substring(i + 1, closingIndex);
+                if (enclosed.length() > 1) {
+                    if (i != 0 || closingIndex != word.length() - 1) {
+                        return true;
+                    }
+                }
+            }else if (word.charAt(i) == '}'){
+                curlyBrackets -= 1;
+                if (curlyBrackets < 0){return true;}
+            }else if (word.charAt(i) == '['){
+                brackets += 1;
+            }else if (word.charAt(i) == ']'){
+                brackets -= 1;
+                if (brackets < 0) {return true;}
+            }
+        }
+        return curlyBrackets != 0 || brackets != 0;
+    }
+
+    public void addPoints(){
+        fillPointMap(pointMap);
+        for (int i = 0; i < word.length(); i++){
+            if (pointMap.containsKey(word.charAt(i))){
+                wordScore += pointMap.get(word.charAt(i));
+                if (word.charAt(i) == '{' && (i+2 < word.length() && word.charAt(i+2) == '}')){
+                    wordScore += pointMap.get(word.charAt(i+1));
+                }else if (word.charAt(i) == '[' && (i+2 < word.length() && word.charAt(i+2) == ']')) {
+                    wordScore += pointMap.get(word.charAt(i + 1)) * 2;
+                }
+            }
+        }
+    }
 
+    public void wordMultiplier(String word){
+        if (word.charAt(0) == '{'){
+            if (word.charAt(2) != '}' && word.charAt(word.length()-1) == '}') {
+                multiplier = multiplier * 2;
+                if (word.charAt(1) == '[') {
+                    if (word.charAt(3) != ']' && word.charAt(word.length() - 2) == ']') {
+                        multiplier = multiplier * 3;
+                    }
+                }
+            }else if (word.charAt(2) != '}' && word.charAt(word.length()-1) == ']'){
+                multiplier = 0;
+            }
+        } else if (word.charAt(0) == '['){
+            if (word.charAt(2) != ']' && word.charAt(word.length()-1) == ']') {
+                multiplier = multiplier * 3;
+                if (word.charAt(1) == '{') {
+                    if (word.charAt(3) != '}' && word.charAt(word.length() - 2) == '}') {
+                        multiplier = multiplier * 2;
+                    }
+                }
+            } else if (word.charAt(2) != ']' && word.charAt(word.length()-1) == '}'){
+                multiplier = 0;
+            }
+        }
     }
 
-    public int score() {
-        return -1;
+    public int score(){
+        if (word.isEmpty() || word.contains("!") || word.contains("|")){
+            return 0;
+        } else if (invalidWord(word)){
+            return 0;
+        }
+        addPoints();
+        wordMultiplier(word);
+        wordScore = wordScore * multiplier;
+        return wordScore;
     }
 
 }