require 'capybara'
require 'capybara/dsl'
require 'selenium/webdriver'
require 'net/http'
require 'json'

Selenium::WebDriver::Firefox::Binary.path='C:\Program Files\Mozilla Firefox\firefox.exe'

Capybara.current_driver = :selenium

def getDomain
  url = 'http://api.temp-mail.ru/request/domains/format/json/'
  uri = URI(url)
  response = Net::HTTP.get(uri)
  json = JSON.parse(response)
  return json[0]
end

def confirmRegistration(email)
  url = 'http://api.temp-mail.ru/request/mail/id/' + Digest::MD5.hexdigest(email) + '/format/json/'
  uri = URI(url)
  response = Net::HTTP.get(uri)
  json = JSON.parse(response)
  link = json[0]['mail_html'].split('"')[1]
  Capybara.visit(link)

  return !(Capybara.first('.block-alerts') == nil)
end

def registerUser(login, password)
  email = SecureRandom.hex(6) + getDomain

  Capybara.visit('https://dev.by/registration')
  Capybara.fill_in :user_username, with: login
  Capybara.fill_in :user_email, with: email
  Capybara.fill_in :user_password, with: password
  Capybara.fill_in :user_password_confirmation, with: password
  Capybara.check('user_agreement')
  Capybara.click_button('Зарегистрироваться')

  if confirmRegistration(email)
    puts login + ' ' + password
  else
    raise 'Confirmation error'
  end
end

def registerRandomUser
  login = SecureRandom.hex(6)
  password = SecureRandom.hex(6)
  registerUser(login, password)
end

i = 0
while i < ARGV[0].to_i  do
  begin
    registerRandomUser
  rescue Exception
    puts "Не удалось. Ошибка: #{$!}"
    i-=1
  end
  i+=1
end