hello-gem/hello

module Hello
  module Encryptors
    class Complex < Simple
      def initialize(cost=nil)
        require 'bcrypt'
        cost ||= Rails.env.test? ? 1 : 10
        BCrypt::Engine.cost = cost
      rescue LoadError
        s = "your Gemfile needs: gem 'bcrypt'"
        puts [s.red, s.yellow, s.green]
        raise
      end

      def encrypt(string)
        BCrypt::Password.create(string).to_s
      end

      def match(string, digest)
        BCrypt::Password.new(digest) == string
      rescue BCrypt::Errors::InvalidHash
        false
      end
    end
  end
end