Done up until super extension

.gitignore

@@ -3,6 +3,9 @@
 ##
 ## Get latest from https://github.com/github/gitignore/blob/master/VisualStudio.gitignore
 
+# Jetbrains IDEs local files
+.idea/
+
 # User-specific files
 *.rsuser
 *.suo

csharp-scrabble-challenge.Main/CharacterMultiplier.cs

@@ -0,0 +1,8 @@
+namespace csharp_scrabble_challenge.Main;
+
+public struct CharacterMultiplier
+{
+    public char OpenIndicator;
+    public char CloseIndicator;
+    public int Multiplier;
+}

csharp-scrabble-challenge.Main/Program.cs

@@ -1,2 +1,20 @@
-// See https://aka.ms/new-console-template for more information
-Console.WriteLine("Hello, World!");
+namespace csharp_scrabble_challenge.Main;
+
+internal static class Program
+{
+    public static void Main(string[] args)
+    {
+        bool exit = false;
+        while (!exit)
+        {
+            Console.WriteLine("Please type a word:");
+            string? word = Console.ReadLine();
+
+            if (word != null)
+            {
+                if (word == "exit") exit = true;
+                else Console.WriteLine($"The score is: {new Scrabble(word).score()}");
+            }
+        }
+    }
+}

csharp-scrabble-challenge.Main/Scrabble.cs

@@ -1,23 +1,67 @@
-using System;
-using System.Collections.Generic;
-using System.Linq;
-using System.Reflection.Metadata.Ecma335;
-using System.Text;
-using System.Threading.Tasks;
-
-namespace csharp_scrabble_challenge.Main
+namespace csharp_scrabble_challenge.Main;
+
+public class Scrabble
 {
-    public class Scrabble
+    private static readonly Dictionary<char, int> _characterScores = new()
     {
-        public Scrabble(string word)
-        {            
-            //TODO: do something with the word variable
-        }
+        { '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 },
+    };
 
-        public int score()
+    private static readonly CharacterMultiplier[] _multipliers =
+    [
+        new() { CloseIndicator = '}', OpenIndicator = '{', Multiplier = 2, },
+        new() { CloseIndicator = ']', OpenIndicator = '[', Multiplier = 3, },
+    ];
+
+    private readonly string _inputWord;
+    private const int DEFAULT_MULTIPLIER = 1;
+
+    public Scrabble(string word)
+    {
+        _inputWord = word;
+    }
+
+    public int score()
+    {
+        int score = 0;
+        string lowerWord = _inputWord.ToLower();
+        char[] chars = lowerWord.ToCharArray();
+
+        int currentMultiplier = DEFAULT_MULTIPLIER;
+
+        foreach (char c in chars)
         {
-            //TODO: score calculation code goes here
-            throw new NotImplementedException(); //TODO: Remove this line when the code has been written
+            foreach (var characterMultiplier in _multipliers)
+            {
+                if (c == characterMultiplier.OpenIndicator)
+                {
+                    currentMultiplier = characterMultiplier.Multiplier;
+                }
+                else if (c == characterMultiplier.CloseIndicator)
+                {
+                    currentMultiplier = DEFAULT_MULTIPLIER;
+                }
+            }
+
+            if (_characterScores.TryGetValue(c, out int cScore))
+            {
+                score += cScore * currentMultiplier;
+            }
         }
+
+        return score;
     }
-}
+}