[Scrabble task] Solution for scrabble puzzle

Training/Medium/scrabble.rb

@@ -0,0 +1,51 @@
+# Solution for https://www.codingame.com/ide/puzzle/scrabble
+class Scrabble
+  attr_accessor :dictionary, :letters, :letters_weight
+
+  def initialize
+    words_number = gets.to_i
+    @dictionary = Array.new(words_number) { gets.chomp }
+    @letters = gets.chomp
+    @letters_weight = init_letters_weight
+  end
+
+  def init_letters_weight
+    {
+      1 => %w(e a i o n r t l s u),
+      2 => %w(d g),
+      3 => %w(b c m p),
+      4 => %w(f h v w y),
+      5 => %w(k),
+      8 => %w(j x),
+      10 => %w(q z)
+    }
+  end
+
+  def matching?(word)
+    word.each_char do |char|
+      return false if letters.count(char) < word.count(char) || !letters.include?(char)
+    end
+    true
+  end
+
+  def find_all_words
+    words_with_points = dictionary.each_with_object({}) do |word, result|
+      result[word] = calculate_points(word) if matching?(word)
+    end
+    words_with_points.key(words_with_points.values.max)
+  end
+
+  def calculate_points(word)
+    points = 0
+    word.each_char do |char|
+      letters_weight.each do |k, v|
+        points += k if v.include?(char)
+      end
+    end
+    points
+  end
+end
+
+obj = Scrabble.new
+answer = obj.find_all_words
+puts answer