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* @file\n * Newsletter subscription js file.\n */\n\n(function(CFR, window, $) {\n  'use strict';\n\n  let msgElement = null;\n  let container = $('.main-footer__newsletter-email');\n  if (container.find('input[name=\"email\"]').val() !== '') {\n    container.find('label').addClass('active');\n  }\n\n  function showLoader() {\n    $('.main-footer__loader-hidden').addClass('main-footer__loader').removeClass('main-footer__loader-hidden');\n  }\n\n  function hideLoader() {\n    $('.main-footer__loader').addClass('main-footer__loader-hidden').removeClass('main-footer__loader');\n  }\n\n  function executeNewsletterAjax() {\n    const xhrUrl = 'https://www.cfr.org/newsletters/st_subscribe_email';\n    let form = $('[data-footerNewsletterForm]');\n    let formData = form.serialize();\n    $('[data-footerNewsletterForm] :input').prop(\"disabled\", true);\n    showLoader();\n    let nlRequest = $.ajax({\n      url: xhrUrl,\n      type: \"GET\",\n      data: formData,\n      dataType: \"json\"\n    });\n\n    // The ajax call executed ok. Recaptcha validation result is inside data object.\n    nlRequest.done(function(data, textStatus, jqXHR) {\n      if (textStatus === 'success') {\n        // Recaptcha ok. Proceed with newsletter submit.\n        // console.log('Newsletter OK submitted and registered.');\n        // Add code to remove form and show success message.\n        form.remove();\n        showMessage('success', '');\n        // Send GA custom event using Tag Manager DataLayer.\n        CFR.eventTrack('tfr-nl-submit', 'Newsletters', '', 'tfr-nl-footer-submit');\n      }\n      else {\n        // The newsletter could not be registered.\n        // console.log('The newsletter could not be registered.');\n        showMessage('error', 'Please enter a valid email address.');\n        grecaptcha.reset();\n        return false;\n      }\n    });\n\n    // The ajax call failed to contact CFR submission service.\n    nlRequest.fail(function(jqXHR, textStatus, errorThrown) {\n      // console.log('Ajax call failed to contact CFR submission service. Please try again.', jqXHR);\n      showMessage('error', 'Please enter a valid email address.');\n      grecaptcha.reset();\n      return false;\n    });\n\n    nlRequest.always(function() {\n      hideLoader();\n      $('[data-footerNewsletterForm] :input').prop(\"disabled\", false);\n    });\n  }\n\n  function removeMessage(){\n    if (msgElement != null) {\n      msgElement.remove();\n    }\n  }\n\n  function showMessage(type, message) {\n    removeMessage();\n\n    if (type === 'success') {\n      $('.main-footer__newsletter-successmsg').addClass('form-success');\n    }\n\n    if (type === 'error') {\n      msgElement = $(document.createElement('div'));\n      msgElement.addClass(\"form-error\");\n      msgElement.text(message || 'Error signing up to the newsletter.');\n      container.prepend(msgElement);\n    }\n  }\n\n  // Show recaptcha widget on click.\n  container.on('click', function (e) {\n    e.preventDefault();\n    e.stopPropagation();\n\n    let label = $(this).find('label');\n    let input = $(this).find('input[name=\"email\"]');\n\n    if (label.hasClass('active')) {\n      return false;\n    }\n\n    removeMessage();\n\n    // Show recaptcha widget if it was not opened yet.\n    const siteKey = '6LdVm2YUAAAAALLTS2XVQD5O47VtNJIKQTsrqP9t';\n    let footerLabel = $('.main-footer__newsletter-email label');\n    if (!footerLabel.hasClass('with-recaptcha-widget') && !footerLabel.hasClass('with-recaptcha-message')) {\n      let newsletterId = $('.main-footer input[name=\"newsletter_id\"]').val();\n      let recaptchaId = window.grecaptcha.render(newsletterId, {sitekey: siteKey});\n      // Position label correctly with recaptcha open.\n      footerLabel.addClass('with-recaptcha-widget');\n      // Set recaptcha id value into hidden field to make it accessible on submit.\n      $('#' + newsletterId + '--recaptcha-id').val(recaptchaId);\n    }\n\n    label.addClass('active');\n    input.focus();\n\n    input.on('blur', function () {\n      if (!input.val()) {\n        label.removeClass('active');\n        container.removeClass('invalid');\n      }\n    });\n  });\n\n  // Handle newsletter form submit.\n  $('[data-footerNewsletterSubmit]').on(\"click\", function(e) {\n    e.preventDefault();\n    e.stopPropagation();\n\n    // Google library defines grecaptcha variable.\n    if (grecaptcha === undefined) {\n      console.log('Recaptcha not loaded.');\n      return false;\n    }\n\n    let response;\n    try {\n      response = grecaptcha.getResponse();\n    } catch (err) {\n      // console.log('No reCAPTCHA clients exist. Please load the widget first clicking on Email Address.');\n      showMessage('error', 'Email Address is required.');\n      return false;\n    }\n\n    // If the recaptcha was solved the response should be able to get reached.\n    if (!response) {\n      // console.log('Could not get recaptcha response');\n      showMessage('error', 'Please check reCAPTCHA.');\n      grecaptcha.reset();\n      return false;\n    }\n\n    // Check email input.\n    let email = $('#edit-email-address');\n    if(email.val() === '' || email.val().indexOf(\"@\") === -1) {\n      showMessage('error', 'Valid email address is required.');\n      grecaptcha.reset();\n      return false;\n    }\n\n    // Proceed with newsletter submission.\n    // console.log('Submitting newsletter now ...');\n    executeNewsletterAjax(response);\n  });\n}(window.CFR = window.CFR || {}, window, jQuery));\n"]}