From 822726e0162f3e2b23aa8b54b499738b39328176 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Matilda=20S=C3=B6nnergaard?=
 <matilda.sonnergaard@se.experis.com>
Date: Wed, 8 Jan 2025 13:11:34 +0100
Subject: [PATCH 1/2] Complete core exercise

---
 src/main/java/com/booleanuk/Scrabble.java | 24 +++++++++++++++++++++--
 1 file changed, 22 insertions(+), 2 deletions(-)

diff --git a/src/main/java/com/booleanuk/Scrabble.java b/src/main/java/com/booleanuk/Scrabble.java
index 88108a8..c0affb8 100644
--- a/src/main/java/com/booleanuk/Scrabble.java
+++ b/src/main/java/com/booleanuk/Scrabble.java
@@ -1,12 +1,32 @@
 package com.booleanuk;
 
 public class Scrabble {
+    String word;
     public Scrabble(String word) {
-
+        this.word = word;
     }
 
     public int score() {
-        return -1;
+        int score = 0;
+        for (int i=0; i<word.length(); i++) {
+            String letter = word.substring(i, i + 1);
+            if ("AEIOULNRSTaeioulnrst".contains(letter)) {
+                score += 1;
+            } else if ("DGdg".contains(letter)) {
+                score += 2;
+            } else if ("BCMPbcmp".contains(letter)) {
+                score += 3;
+            } else if ("FHVWYfhvwy".contains(letter)) {
+                score += 4;
+            } else if ("Kk".contains(letter)) {
+                score += 5;
+            } else if ("JXjx".contains(letter)) {
+                score += 8;
+            } else if ("QZqz".contains(letter)) {
+                score += 10;
+            }
+        }
+        return score;
     }
 
 }

From db8166d47c0b8da6b782430eff4119f4e111b8be Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Matilda=20S=C3=B6nnergaard?=
 <matilda.sonnergaard@se.experis.com>
Date: Wed, 8 Jan 2025 16:27:23 +0100
Subject: [PATCH 2/2] Complete extended exercise

---
 src/main/java/com/booleanuk/Scrabble.java | 84 ++++++++++++++++++-----
 1 file changed, 68 insertions(+), 16 deletions(-)

diff --git a/src/main/java/com/booleanuk/Scrabble.java b/src/main/java/com/booleanuk/Scrabble.java
index c0affb8..2c04687 100644
--- a/src/main/java/com/booleanuk/Scrabble.java
+++ b/src/main/java/com/booleanuk/Scrabble.java
@@ -1,32 +1,84 @@
 package com.booleanuk;
 
+import java.util.ArrayList;
+import java.util.List;
+
 public class Scrabble {
     String word;
     public Scrabble(String word) {
         this.word = word;
     }
 
+    private int getLetterScore(String letter) {
+        if ("AEIOULNRSTaeioulnrst".contains(letter)) {
+            return 1;
+        } else if ("DGdg".contains(letter)) {
+            return 2;
+        } else if ("BCMPbcmp".contains(letter)) {
+            return 3;
+        } else if ("FHVWYfhvwy".contains(letter)) {
+            return 4;
+        } else if ("Kk".contains(letter)) {
+            return 5;
+        } else if ("JXjx".contains(letter)) {
+            return 8;
+        } else if ("QZqz".contains(letter)) {
+            return 10;
+        }
+        return 0;
+    }
+
     public int score() {
         int score = 0;
-        for (int i=0; i<word.length(); i++) {
+        boolean insideWord = false;
+        boolean bracketInsideWord = false;
+        int lettersInARowCountdown = 2;  // to make sure single letter multipliers work correctly
+
+        int multiplier = 1;
+        List<String> brackets = new ArrayList<>();
+
+        for (int i = 0; i<word.length(); i++) {
             String letter = word.substring(i, i + 1);
-            if ("AEIOULNRSTaeioulnrst".contains(letter)) {
-                score += 1;
-            } else if ("DGdg".contains(letter)) {
-                score += 2;
-            } else if ("BCMPbcmp".contains(letter)) {
-                score += 3;
-            } else if ("FHVWYfhvwy".contains(letter)) {
-                score += 4;
-            } else if ("Kk".contains(letter)) {
-                score += 5;
-            } else if ("JXjx".contains(letter)) {
-                score += 8;
-            } else if ("QZqz".contains(letter)) {
-                score += 10;
+            int letterScore = getLetterScore(letter);
+            score += multiplier * letterScore;
+
+            insideWord |= letterScore > 0;
+
+            if (lettersInARowCountdown == 0) return 0;
+            if (bracketInsideWord) lettersInARowCountdown--;
+
+            if (letterScore == 0) {
+                if (letter.equals("[")) {
+                    multiplier *= 3;
+                    brackets.add("[");
+                    bracketInsideWord = insideWord;
+                } else if (letter.equals("{")) {
+                    multiplier *= 2;
+                    brackets.add("{");
+                    bracketInsideWord = insideWord;
+                } else if (letter.equals("]")) {
+                    if (brackets.isEmpty() || !"[".equals(brackets.getLast())) {
+                        return 0;
+                    }
+                    lettersInARowCountdown = 2;
+                    bracketInsideWord = false;
+                    multiplier /= 3;
+                    brackets.removeLast();
+                } else if (letter.equals("}")) {
+                    if (brackets.isEmpty() || !"{".equals(brackets.getLast())) {
+                        return 0;
+                    }
+                    lettersInARowCountdown = 2;
+                    bracketInsideWord = false;
+                    multiplier /= 2;
+                    brackets.removeLast();
+                } else {
+                    return 0;
+                }
             }
         }
+
+        if (!brackets.isEmpty()) return 0;
         return score;
     }
-
 }