/**
 * Nav submenu iconfont helpers.
 * Registry: data/nav-icon-registry.json
 *
 * After uploading new glyphs to iconfont.cn and replacing iconfont.css:
 *   window.aifoApplyNavIconTargets()
 * This swaps data-nav-icon-target classes onto each submenu icon.
 */
(function () {
  function applyNavIconTargets(root) {
    if (!root) return 0;
    var nodes = root.querySelectorAll("[data-nav-icon-target]");
    var count = 0;
    nodes.forEach(function (el) {
      var target = el.getAttribute("data-nav-icon-target");
      if (!target) return;
      el.className = "icon iconfont " + target;
      count += 1;
    });
    return count;
  }

  window.aifoApplyNavIconTargets = function () {
    var nav = document.getElementById("nav");
    var container = document.getElementById("nav-container");
    var count = applyNavIconTargets(nav) + applyNavIconTargets(container);
    console.info("[nav-icons] Applied " + count + " target icon class(es).");
    return count;
  };

  document.addEventListener("aifo:layout-ready", function () {
    if (window.AIFO_NAV_USE_TARGET_ICONS === true) {
      window.aifoApplyNavIconTargets();
    }
  });
})();