Task scrabble

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

@@ -1,12 +1,88 @@
 package com.booleanuk;
 
 public class Scrabble {
+    int totalPoints;
     public Scrabble(String word) {
 
+        totalPoints = 0;
+        boolean bothAtStart = false, foundCurly = false, invalid = false, foundSquare = false, atStart = false;
+        char startSymbol = '#';
+        int ind = 0;
+        int counter = -1;
+
+        for (char c: word.toUpperCase().toCharArray()) {
+            if (ind == 0){
+                if (c == '['){
+                    atStart = true;
+                    startSymbol = '[';
+                } else if (c == '{'){
+                    atStart = true;
+                    startSymbol = '{';
+                }
+            }
+
+            if (ind == 1 && (c == '[' || c == '{') && atStart){
+                bothAtStart = true;
+            }
+
+            if (c == ']' && ind == word.length()-1 && atStart && startSymbol != '[' && bothAtStart){
+                invalid = true;
+            }
+            if (c == '}' && ind == word.length()-1 && atStart && startSymbol != '{' && bothAtStart){
+                invalid = true;
+            }
+
+            if (c == ']' && ind == word.length()-1 && atStart && startSymbol != '[' && !foundSquare){
+                invalid = true;
+            } else if (c == '}' && ind == word.length()-1 && atStart && startSymbol != '{' && !foundCurly){
+                invalid = true;
+            }
+
+            int points = 0;
+            switch (c) {
+                case '[' -> foundSquare = true;
+                case '{' -> foundCurly = true;
+                case ']' -> {
+                    if (!foundSquare || counter > 1 && !atStart) {
+                        invalid = true;
+                    }
+                    else { foundSquare = false; }
+                }
+                case '}' -> {
+                    if (!foundCurly || counter > 1 && !atStart){
+                        invalid = true;
+                    } else { foundCurly = false; }
+                }
+                case 'A', 'E', 'I', 'O', 'U', 'L', 'N', 'R', 'S', 'T' -> points = 1;
+                case 'D', 'G' -> points = 2;
+                case 'B', 'C', 'M', 'P' -> points = 3;
+                case 'F', 'H', 'V', 'W', 'Y' -> points = 4;
+                case 'K' -> points = 5;
+                case 'J', 'X' -> points = 8;
+                case 'Q', 'Z' -> points = 10;
+                case '|', '!', '"' -> invalid = true;
+            }
+            if (foundCurly && foundSquare) {
+                totalPoints += points * 2 * 3;
+                counter ++;
+            } else if (foundSquare) {
+                totalPoints += points * 3;
+                counter ++;
+            } else if (foundCurly) {
+                totalPoints += points * 2;
+                counter ++;
+            } else {
+                totalPoints += points;
+                counter = -1;
+            }
+            ind++;
+        }
+        if (foundCurly || foundSquare || invalid){
+            totalPoints = 0;
+        }
     }
 
     public int score() {
-        return -1;
+        return totalPoints;
     }
-
 }