/* Nordics Form Tracker - Form Start Event + Form Data Capture */

    (function() {
      var formStarted = false;

      function onFocusIn() {
        if (!formStarted) {
          try {
                window.parent.postMessage('form_started', '*');
          } catch (e) {
                // silently ignore postMessage errors
          }
          formStarted = true;
              console.log('[FormStart] form_started');
        }
      }

      /**
       * Capture all form fields and their values dynamically
       * Skips fields with data-gtm-ignore attribute
       * @returns {object} Object containing all form field names and values
       */

      function captureFormData() {
        var formData = {};
        
        // Get all input fields
        var inputs = document.querySelectorAll('input');
        inputs.forEach(function(input) {
          // Skip hidden input fields (used for metadata)
          if (input.type === 'hidden') {
            return;
          }
          
          // Skip fields with data-gtm-ignore attribute
          if (input.hasAttribute('data-gtm-ignore')) {
            return;
          }
          
          var name = input.name || input.id;
          
          if (name) {
            if (input.type === 'checkbox') {
                // Single checkbox (e.g. consent) should emit boolean; groups emit arrays.
                var checkboxGroup = document.querySelectorAll('input[type="checkbox"][name="' + name + '"]');
                var isSingleCheckbox = checkboxGroup.length === 1;
                var hasMeaningfulValue = input.hasAttribute('value') && input.value !== 'on';

                // If checkbox has default browser value ('on'), treat as boolean flag.
                if (isSingleCheckbox || !hasMeaningfulValue) {
                  var booleanKey = input.id || name;
                  formData[booleanKey] = input.checked;
                } else {
                  if (input.checked) {
                    if (Array.isArray(formData[name])) {
                      formData[name].push(input.value);
                    } else if (formData[name] !== undefined) {
                      formData[name] = [formData[name], input.value];
                    } else {
                      formData[name] = [input.value];
                    }
                  } else if (formData[name] === undefined) {
                    formData[name] = [];
                  }
                }
              } else if (input.type === 'radio') {
              // Only add checked radio buttons
              if (formData[name] === undefined) {
                formData[name] = null;
              }
              if (input.checked) {
                formData[name] = input.value;
              }
            } else {
              formData[name] = input.value || null;
            }
          }
        });

        // Get all select fields
        var selects = document.querySelectorAll('select');
        selects.forEach(function(select) {
          // Skip fields with data-gtm-ignore attribute
          if (select.hasAttribute('data-gtm-ignore')) {
            return;
          }
          
          var name = select.name || select.id;
          if (name) {
            formData[name] = select.value || null;
          }
        });

        // Get all textarea fields
        var textareas = document.querySelectorAll('textarea');
        textareas.forEach(function(textarea) {
          // Skip fields with data-gtm-ignore attribute
          if (textarea.hasAttribute('data-gtm-ignore')) {
            return;
          }
          
          var name = textarea.name || textarea.id;
          if (name) {
            formData[name] = textarea.value || null;
          }
        });

        return formData;
      }

      /**
       * Post a form_submitted event to parent with dynamically captured form data
       * @param {object} [payloadObject] Optional object to use instead of auto-captured form fields
       */
      function postFormSubmitted(payloadObject) {
        var hasPayloadObject = payloadObject && typeof payloadObject === 'object' && !Array.isArray(payloadObject);
        var capturedData = hasPayloadObject ? payloadObject : captureFormData();
        // Include Form Page Url for better context in GTM & Segment
        var submitMessage = {
          event: 'form_submitted',
           ...capturedData,
           formUrl: window.location.href
        };
        try {
           
          window.parent.postMessage(submitMessage, '*');
          // Log what was submitted
          console.log('[FormStart] form_submitted', submitMessage);
        } catch (e) {
          // silently ignore postMessage errors
        }
      }

      // Expose function globally so other scripts can call it from form level
      window.postFormSubmitted = postFormSubmitted;
      
      // Attach listener to the whole document
      document.addEventListener('focusin', onFocusIn, true);
    })();