Ruby Blanks extended solution. 🌋

Author: csalmeida

challenges/ruby-blanks-solution-extended.rb

@@ -0,0 +1,62 @@
+#!usr/bin/env ruby
+
+game_title = 'Ruby Blanks Game'
+
+# Wraps the game title with dashes.
+game_title = "| #{game_title} |"
+game_title.length.times do
+  print '-'
+end
+
+puts "\n#{game_title}"
+
+game_title.length.times do
+  print '-'
+end
+puts
+
+# Sets a value to look for blanks in sentences.
+BLANK_FLAG = '-----'
+# Stores all sentences and types of blanks in a single place.
+SENTENCES = [
+  {
+    :text => "I went to visit a #{BLANK_FLAG} and found a #{BLANK_FLAG}, it looked #{BLANK_FLAG} so I started to #{BLANK_FLAG}.",
+    :blanks => ['noun', 'noun', 'adjective', 'verb']
+  },
+  {
+    :text => "Next thing you know, the #{BLANK_FLAG} was having a #{BLANK_FLAG} like everyone else. It was #{BLANK_FLAG} and #{BLANK_FLAG}.",
+    :blanks => ['noun', 'verb', 'adjective', 'adjective']
+  }
+]
+
+# Selects a random sentence from the available ones.
+random_position = rand(0..(SENTENCES.length - 1)) 
+selected_sentence = SENTENCES[random_position]
+
+# Prompts user to fill in the blanks, one by one.
+# Assigns answers to a responses array.
+# The array will have the same items as blanks as a map is being executed.
+responses = selected_sentence[:blanks].map do |blank|
+  indefinite_article = blank.start_with?('a') ? 'an' : 'a'
+  print "Give me #{indefinite_article} #{blank}: "
+  response = gets.chomp
+end
+
+# Converts sentence into an array enumerable to become easier to iterate through.
+selected_sentence[:text] = selected_sentence[:text].split(' ')
+
+# This index is used to assign responses to the blanks.
+index = -1
+# Creates a sentence with the responses by checking if word has a a blank to be filled.
+# It replaces only the blank with the response in order to keep punctuation, if existent.
+complete_sentence = selected_sentence[:text].map do |word|
+  if word.include?(BLANK_FLAG)
+    index += 1
+    word.sub!(BLANK_FLAG, responses[index])
+  else
+    word
+  end 
+end
+
+# Turns sentence into a string to be displayed to the user.
+puts complete_sentence.join(' ')