#!/usr/bin/env ruby

require 'mailgun'
require 'pp'

api_key = ARGV[0]

raise "no api key" if api_key.nil?

data = DATA.read
emails = data.split("\n")

puts "Emails size: #{emails.size}"
puts "Emails uniq size: #{emails.uniq.size}\n"

emails.uniq.each_with_index do |email, index|
  mg_obj = Mailgun::Address.new(api_key)
  res = mg_obj.validate(email)

  unless res["is_valid"]
    puts "\nInvalid email address #{email}:"
    pp res
  else
    print "."
  end

  # # Example response:
  # {
  #     "address" => "alice@mailgun.net",
  #     "did_you_mean" => nil,
  #     "is_valid" => true,
  #     "parts" => {
  #         "display_name" => nil,
  #         "domain" => "mailgun.net",
  #         "local_part" => "alice",
  #     },
  # }
end

puts "\nDone"

__END__
new line separated list of emails goes here