game.rb in ep-codebreaker-0.4.0

- old
+ new

@@ -3,22 +3,26 @@
 require_relative 'player'
 require_relative 'game_writer'
 
 module Codebreaker
   class Game
-    include GameWriter
-
     MIN    = 1
     MAX    = 6
     LENGTH = 4
 
     TRIES = 10
     HINTS = 3
 
-    private_constant :MIN, :MAX, :LENGTH, :TRIES, :HINTS
     attr_reader :tries_left, :hints_left
 
+    private_constant :MIN, :MAX, :LENGTH, :TRIES, :HINTS
+
+    def initialize(writer = GameWriter.new, player_class = Player)
+      @writer       = writer
+      @player_class = player_class
+    end
+
     def start
       @code             = Array.new(LENGTH) { rand(MIN..MAX) }.join
       @result           = ''
       @tries_left       = TRIES
       @hints_left       = HINTS
@@ -49,15 +53,15 @@
     def answer
       @code if finished?
     end
 
     def save_score(name)
-      write Player.new(name, @tries_left, @hints_left)
+      @writer.write @player_class.new(name, @tries_left, @hints_left)
     end
 
     def high_scores
-      process_file
+      @writer.load_scores
     end
 
     def as_json
       {
         result: nil,
@@ -88,18 +92,17 @@
 
       ('+' * num_of_pluses) + ('-' * num_of_minuses)
     end
 
     def generate_hint
-      hint = '_' * LENGTH
       index = @indexes_for_hint.delete(@indexes_for_hint.sample)
-      hint[index] = @code[index]
-      hint
+      ('_' * LENGTH).tap { |hint| hint[index] = @code[index] }
     end
 
     def verify(input)
-      regexp = Regexp.new("^[#{MIN}-#{MAX}]{#{LENGTH}}$")
-      msg = "Guesses must consist of #{LENGTH} digits from #{MIN} to #{MAX}"
+      regexp = /\A[#{MIN}-#{MAX}]{#{LENGTH}}\z/
+      msg    = "Guesses must consist of #{LENGTH} digits from #{MIN} to #{MAX}"
+
       raise(ArgumentError, msg) if !input.is_a?(String) || !input.match?(regexp)
     end
   end
 end