/* Insureon offline clone - progressive enhancement only.
   No remote requests: the clone must run with zero network egress. */
(function () {
  'use strict';

  // Mobile primary-navigation toggle.
  var toggle = document.querySelector('[data-navtoggle]');
  var nav = document.querySelector('[data-mainnav]');
  if (toggle && nav) {
    toggle.addEventListener('click', function () {
      var open = nav.classList.toggle('mainnav--open');
      toggle.setAttribute('aria-expanded', open ? 'true' : 'false');
      toggle.setAttribute('aria-label', open ? 'Close menu' : 'Open menu');
    });
  }

  // Business-class picker: filter the visible option list as the user types.
  var picker = document.querySelector('[data-class-search]');
  if (picker) {
    var list = document.querySelector('[data-class-list]');
    var empty = document.querySelector('[data-class-empty]');
    picker.addEventListener('input', function () {
      var q = picker.value.trim().toLowerCase();
      var shown = 0;
      var rows = list ? list.querySelectorAll('[data-class-option]') : [];
      for (var i = 0; i < rows.length; i++) {
        var hit = !q || rows[i].getAttribute('data-label').toLowerCase().indexOf(q) !== -1;
        rows[i].hidden = !hit;
        if (hit) shown++;
      }
      if (empty) empty.hidden = shown !== 0;
    });
  }

  // Coverage step: keep the running total in step with the selected options.
  var totalEl = document.querySelector('[data-running-total]');
  if (totalEl) {
    var form = totalEl.closest('form');
    var recalc = function () {
      var sum = 0;
      var boxes = form.querySelectorAll('input[type=checkbox][data-annual-cents]:checked');
      for (var i = 0; i < boxes.length; i++) {
        sum += parseInt(boxes[i].getAttribute('data-annual-cents'), 10) || 0;
      }
      totalEl.textContent = '$' + Math.round(sum / 100).toLocaleString('en-US');
      var count = document.querySelector('[data-running-count]');
      if (count) count.textContent = String(boxes.length);
    };
    form.addEventListener('change', recalc);
    recalc();
  }
})();