dodata provera za email i orgnaziation name

backend/core/static/js/formHandling.js

@@ -73,13 +73,13 @@ function setUpNavigation() {
     // check if next button should be enabled on every input, checkbox and radio button bellow class of .question change
     const inputs = document.querySelectorAll('.question input, .question select, .question textarea');
     inputs.forEach(input => {
-        input.addEventListener('change', setNextButtonAvailability);
+        input.addEventListener('change',()=> setNextButtonAvailability());
+        input.addEventListener('blur', () => setNextButtonAvailability());
+
     });
-
-
 }
 
-function setNextButtonAvailability() {
+async function setNextButtonAvailability() {
     console.log('Setting next button availability');
     // check if current question is answered
     // and then enable the next button, disable it otherwise
@@ -91,8 +91,14 @@ function setNextButtonAvailability() {
     if (document.currentQuestion === 0) {
         const name = document.getElementById('name');
         const email = document.getElementById('email');
+        const errorDiv = document.getElementById('org-email-error');
+
         if (name && email && name.value.trim() && email.value.trim()) {
-            nextEnabled = true;
+            nextEnabled = await validateFormFields(nextButton, errorDiv);
+        }else{
+            nextButton.disabled = true;
+            if (errorDiv) errorDiv.textContent = '';
+            return
         }
     } else {
         const inputs = currentQuestion.querySelectorAll('input, select, textarea');
@@ -181,4 +187,23 @@ function setButtonVisiblity(buttonId, visible) {
     }
 }
 
+async function validateFormFields(nextBtn, errorDiv) {
+    const nameInput = document.getElementById('name');
+    const emailInput = document.getElementById('email');
+    const name = nameInput.value.trim();
+    const email = emailInput.value.trim();
+
+    const resp = await fetch(`/api/validate_form_fields/?name=${name}&email=${email}`);
+    const data = await resp.json();
+    if (data.errors && (data.errors.name || data.errors.email)) {
+        errorDiv.textContent = (data.errors.name || '') + ' ' + (data.errors.email || '');
+        nextBtn.disabled = true;
+        return false;
+    } else {
+        errorDiv.textContent = '';
+        nextBtn.disabled = false;
+        return true;
+    }
+}
+