redmine_qbo/app/views/customers/_actions.html.erb

<%= call_hook :customer_actions_top, { customer: @customer } %>

<p>
    <%= link_to t(:label_new_issue), new_issue_path(issue: { customer_id: @customer.id }), id: "dynamic-new-issue-link", target: :_blank %>
</p>

<p>
  <%= link_to t(:label_create_estimate), "https://qbo.intuit.com/app/estimate?nameId=#{@customer.id}", target: :_blank %>
</p>

<p>
  <%= link_to t(:label_create_payment), "https://qbo.intuit.com/app/recvpayment?nameId=#{@customer.id}", target: :_blank %>
</p>

<%= call_hook :customer_actions_bottom, { customer: @customer } %>

<%= button_to t(:label_edit_customer), edit_customer_path(@customer), method: :get%> 

<script>
  function handleSingleSelect(event, className) {
    if (event.target.checked) {
      // Uncheck all other checkboxes of the same type
      document.querySelectorAll('.' + className).forEach(cb => {
        if (cb !== event.target) {
          cb.checked = false;
        }
      });
    }
    updateLink();
  }

  // Bind single-select behavior to checkboxes once the DOM is loaded
  document.addEventListener('DOMContentLoaded', function() {
    document.querySelectorAll('.estimate-checkbox').forEach(cb => {
      cb.addEventListener('change', (e) => handleSingleSelect(e, 'estimate-checkbox'));
    });
    document.querySelectorAll('.vehicle-checkbox').forEach(cb => {
      cb.addEventListener('change', (e) => handleSingleSelect(e, 'vehicle-checkbox'));
    });
  });

  function updateLink() {
    const link = document.getElementById('dynamic-new-issue-link');
    if (!link) return;

    // Cache the pristine base URL on first run
    if (!link.dataset.baseUrl) {
      link.dataset.baseUrl = link.getAttribute('href');
    }

    // Build base URL object
    let url = new URL(link.dataset.baseUrl, window.location.origin);

    // 1. Handle Single Estimate
    const checkedEstimate = document.querySelector('.estimate-checkbox:checked');
    if (checkedEstimate) {
      url.searchParams.set('issue[estimate_id]', checkedEstimate.value);
    } else {
      url.searchParams.delete('issue[estimate_id]');
    }

    // 2. Handle Single Vehicle
    const checkedVehicle = document.querySelector('.vehicle-checkbox:checked');
    if (checkedVehicle) {
      url.searchParams.set('issue[vehicle_id]', checkedVehicle.value);
    } else {
      url.searchParams.delete('issue[vehicle_id]');
    }

    // Update the link's href attribute
    link.setAttribute('href', url.toString());
  }
</script>