module Spanglify

# File lib/spanglify.rb, line 4
def self.process(str)
              #commonly interchanged English to Spanish words and phrases
              to_swap = {
                      "are you" => "estás",
                      "very" => "muy",
                      "but" => "pero",
                      "i like" => "me gusta",
                      "party" => "fiesta",
                      "with" => "con"
              }

              to_swap.each do |key, value|
              #create a capitalized versions of the key and values
                      capitalized_key = key.capitalize
                      capitalized_value = value.capitalize

                      upcase_key = key.upcase
                      upcase_value = value.upcase

                      if str.include? "#{key}" #if the string contains the lowercase version of the English word(s)
                              str.gsub!(key, value) #swap out for the lowercase Spanish version of the word(s)
                      elsif str.include? "#{upcase_key}" #if the string contains the capitalized version of the English word(s)
                              str.gsub!(upcase_key, upcase_value) #swap out for the capitalized version of the Spanish word(s)
                      elsif str.include? "#{capitalized_key}" #if the string contains the uppercase version of the English word(s)
                              str.gsub!(capitalized_key, capitalized_value) #swap out for the uppercase version of the Spanish word(s)
                      end
              end
              str #return the spanglified version of the string
      end