/**
 * This file is largely lifted from
 * */
/* eslint-disable no-script-url,padded-blocks,spaced-comment */
(function (exports, options) {
  "use strict";

  var win = exports;
  var doc = exports.document;

  // Just so we can test without having to build theme options
  if (!options) {
    options = {};
  }

  // Query selector helper
  function $(selector) {
    var lookup = doc.querySelectorAll(selector);
    return [].slice.call(lookup);
  }

  // Setup checklists
  function setupChecklists() {
    // Remove `<code>` from `li.on` and `li.off`
    $("li[class^=o] code").forEach(function (node) {
      var ul = node.parentNode.parentNode;
      var li = node.parentNode;
      var code = node;
      var isChecked = li.classList.contains("on");
      var checkbox = createCheckbox(isChecked);

      // Add `checklist` class to the list
      ul.classList.add("checklist");

      // Insert a checkbox element to the list item
      li.insertBefore(checkbox, code);

      // Remove code node
      code.remove();
    });
  }

  // Setup task lists
  function setupTasklists() {
    $(".done, .todo").forEach(function (node) {
      var container = node.parentNode;
      var status = node;
      var isChecked = node.classList.contains("done");
      var checkbox = createCheckbox(isChecked);

      // Add `checklist` class to the task container
      container.insertBefore(checkbox, status);

      // Remove task node
      status.remove();
    });
  }

  // Creates a simple checkbox element
  // isChecked: Whether or not it should display checked
  function createCheckbox(isChecked) {
    var checkbox = doc.createElement("input");
    checkbox.setAttribute("type", "checkbox");
    checkbox.setAttribute("disabled", "disabled");

    if (isChecked) {
      checkbox.setAttribute("checked", "checked");
    }

    return checkbox;
  }

  // Add "back to top" button
  function addBackToTop() {
    var link = doc.createElement("a");
    var container = doc.querySelector("body");

    link.classList.add("back-to-top");
    link.setAttribute("href", "javascript:scroll(0, 0);");
    link.innerHTML = "<i></i>" + options["back-to-top-text"];

    container.appendChild(link);
  }

  // Display the collection name and user avatar at the header
  function addCollection(collection) {
    var content = doc.querySelector("#content");
    var wrapper = doc.createElement("div");
    var link = doc.createElement("a");
    var avatar = doc.createElement("img");
    var title = doc.createTextNode(collection.title);
    var hasAvatar = collection.avatar && collection.avatar.length;

    wrapper.classList.add("collection");

    link.classList.add("collection-url");
    link.href = collection.url || "/";

    avatar.classList.add("collection-avatar");
    avatar.src = collection.avatar;
    avatar.alt = collection.title;

    if (hasAvatar) {
      link.appendChild(avatar);
    }

    link.appendChild(title);
    wrapper.appendChild(link);
    content.insertBefore(wrapper, content.firstChild);
  }

  function bootstrap() {
    // Bootstrap lists
    if (options["fancy-lists"]) {
      setupChecklists();
      setupTasklists();
    }

    // Bootstrap "back to top"
    if (options["back-to-top"]) {
      addBackToTop();
    }

    if (options.collection.enabled) {
      addCollection(options.collection);
    }

    //    console.log($("#content")[0].classList.add("show"));
  }

  // Hold bootstrap until document body is parsed
  exports.onload = bootstrap;
})(window, {
  "table-of-contents": false,
  "section-numbers": false,
  postamble: true,
  "fancy-lists": true,
  "fancy-icons": true,
  "back-to-top": true,
  "back-to-top-text": "Back to top",
  collection: { enabled: false, avatar: "", title: "", url: "/" },
});