// ES6 feature detection
(function () {
  window.isES6 = false;
  try {
    new Function([
      "// Arrow functions",
      "() => {};",
      "",
      "// Class support",
      "class __ES6FeatureDetectionTest {}",
      "",
      "// Object initializer property and method shorthands",
      "let es6a = true;",
      "let es6b = {",
      "  es6a,",
      "  es6c() { return true; },",
      "  es6d: [1, 2, 3],",
      "};",
      "",
      "// Object destructuring",
      "let { es6c, es6d } = es6b;",
      "",
      "// Spread operator",
      "let es6e = [...es6d, 4];",
      "",
      "// Ternary operator",
      "let es6f = es6a ? 'ternary' : 'no ternary';",
      "",
      "// Nullish coalescing",
      "es6a ??= 10;",
    ].join("\n"))();
    window.isES6 = true;
  } catch (e) {}
})();

// Display warning if ES6 detection failed
window.onload = function () {
  if (window.isES6 == false) {
    document.getElementById("obsolete_browser_alert").innerHTML =
      '<div class="alert alert-danger" role="alert" style="text-align: center;"><strong>WARNING! Unsupported browser!</strong><br />It looks like you\'re using an old browser.<br />This website works best with modern browsers such as the latest versions of Chrome, Firefox, Safari, and Edge.<br />If you continue with this browser, many parts of this site will not work and you will see unexpected results.</div>';
  }
};

const hamburgerComponent = {
  template: `<div class="bigger-fancy-text">
    <i v-bind:class="item.icon" aria-hidden="true"></i>
    <strong>{{ item.description }}</strong>
  </div>`,
  props: ["item"],
};

const navigComponent = {
  // Fixed: Removed invalid nested <a> elements (WCAG 4.1.1)
  // Changed outer <a> to <div> and made dropdown-toggle a <button>
  template: `<nav class="navbar navbar-expand navbar-light main-nav-container" aria-label="Main navigation">
    <div class="container-fluid">
      <ul class="nav navbar-nav" id="navbar-center">
        <li v-for="(navmenu, navkey) in navlistofmenus"
            v-bind:key="navmenu.id"
            class="dropdown main-nav-dropdown"
        >
          <button class="dropdown-toggle ga-main-navbar"
                  type="button"
                  data-bs-toggle="dropdown"
                  aria-haspopup="true"
                  v-bind:aria-expanded="navmenu.isOpen ? 'true' : 'false'"
                  @click="toggleDropdown(navmenu)"
                  @keydown.escape="closeDropdown(navmenu)"
          >
            <span class="caret-text">{{ navkey }}</span>
            <span class="fancy-caret"><i class="fas fa-angle-down" aria-hidden="true"></i></span>
          </button>
          <ul class="dropdown-menu fade dropdown-margin"
              v-bind:aria-label="navkey + ' submenu'"
          >
            <li v-for="item in navmenu.data"
                v-bind:key="item.id"
            >
              <a class="dropdown-item searchmenu"
                 v-bind:aria-label="item.description + (item.target_blank ? ' (opens in new tab)' : '')"
                 v-bind:href="item.link"
                 v-bind:target="item.target_blank"
              >
                <div class="bigger-fancy-text">
                  <i v-bind:class="item.icon" aria-hidden="true"></i>
                  <strong>{{ item.description }}</strong>
                  <i v-if="item.target_blank" class="fas fa-external-link-alt external-link-icon" aria-hidden="true"></i>
                </div>
              </a>
            </li>
          </ul>
        </li>
      </ul>
    </div>
  </nav>`,
  props: ["navlistofmenus"],
  methods: {
    toggleDropdown(navmenu) {
      // Toggle the isOpen state for aria-expanded
      navmenu.isOpen = !navmenu.isOpen;
    },
    closeDropdown(navmenu) {
      navmenu.isOpen = false;
    }
  }
};

const onesearchComponent = {
  // Fixed: Added autocomplete="off" to search input (WCAG 1.3.5)
  // Note: autocomplete="off" is appropriate here as this is a library search, not a standard web search
  template: `<form class="onesearch-jumbotron"
      name="searchPrimoForm1"
      ref="oneSearchForm"
      role="search"
      method="get"
      action="https://cuny-kb.primo.exlibrisgroup.com/discovery/search"
      enctype="application/x-www-form-urlencoded; charset=utf-8"
      aria-label="Search the library catalog"
  >
    <!-- default is "everything"  option suggested from OLS widget builder -->
    <input name="facet" :value="facet" type="hidden"/>
    <input name="mfacet" :value="mfacet" type="hidden" />
    <input name="vid" value="01CUNY_KB:CUNY_KB" type="hidden" />
    <input name="tab" value="Everything" type="hidden" />
    <input name="search_scope" value="IZ_CI_AW" type="hidden" />
    <input name="mode" value="basic" type="hidden" />
    <input name="highlight" value="true" type="hidden" />
    <input name="displayMode" value="full" type="hidden" />
    <input name="bulkSize" value="10" type="hidden" />
    <input name="dum" value="true" type="hidden" />
    <input name="displayField" value="all" type="hidden" />
    <input name="pcAvailabiltyMode" value="false" type="hidden" />
    <input name="query" ref="primoQueryString" type="hidden" />
    <div id="onesearch-header">
        <a href="https://cuny-kb.primo.exlibrisgroup.com/discovery/search?tab=Everything&vid=01CUNY_KB:CUNY_KB&lang=en">
            <img class="image-fail onesearchsubmit" src="https://libapps.s3.amazonaws.com/accounts/16298/images/onesearch_logo.png" alt="OneSearch" />
        </a>
    </div>
    <div class="form-group" id="flex-search-form">
        <label class="visually-hidden" for="primoQueryTemp">Search terms</label>
        <div class="input-group zero-margin form-width" id="blue-border2">
            <input class="form-control inherit-height-from-flex"
                   name="queryTemp"
                   id="primoQueryTemp"
                   ref="primoQueryTempString"
                   type="search"
                   v-model="searchstring"
                   aria-label="Search terms"
                   placeholder="Enter search term here"
                   autocomplete="off"
             />
        </div>
        <div class="input-group zero-margin" id="blue-border3">
            <input type="submit"
                   class="btn btn-light form-control onesearchsubmit inherit-height-from-flex"
                   value="Search"
                   @click.stop.prevent="submitSearch"
            />
        </div>
    </div>
    <fieldset id="radios">
        <legend class="visually-hidden">Limit search to</legend>

        <input type="radio"
               name="radio1"
               id="booksradio"
               @click="selectradio('rtype,include,books', '')"
        >
        <label for="booksradio">Books</label>

        <div class="radiocontainer">
            <input type="radio"
                   name="radio1"
                   id="articlesradio"
                   @click="selectradio('tlevel,include,peer_reviewed', 'rtype,include,articles,1')"
            >
            <label for="articlesradio">Articles (Peer reviewed)</label>
        </div>

        <div class="radiocontainer">
            <input type="radio"
                   name="radio1"
                   id="everythingradio"
                   @click="selectradio('', '')"
            >
            <label for="everythingradio">Everything</label>
        </div>
    </fieldset>
    <div id="advanced">
        <strong>
            <a href="https://cuny-kb.primo.exlibrisgroup.com/discovery/search?vid=01CUNY_KB:CUNY_KB&lang=en&mode=advanced">Advanced</a>
        </strong>
    </div>
</form>`,
  methods: {
    selectradio(radiooutputfacet, radiooutputmfacet) {
      this.facet = radiooutputfacet; // store the data from the radio selection
      this.mfacet = radiooutputmfacet;
    },
    submitSearch() {
      this.$refs.primoQueryString.value = `any,contains,${this.$refs.primoQueryTempString.value.replace(
        /[,]/g,
        " "
      )}`; // vueified OLS widget code
      this.$refs.oneSearchForm.submit(); // submit the form
    },
  },
  data() {
    return {
      facet: "", // initialize the data from the radio selection
      mfacet: "",
    };
  },
};

const { createApp } = Vue;

const app1 = createApp({
  components: {
    "navig-component": navigComponent,
    "hamburger-component": hamburgerComponent,
  },
  data() {
    return {
      isDark: false,
      hamburger: [
        {
          link: "https://cuny-kb.primo.exlibrisgroup.com/discovery/search?tab=Everything&vid=01CUNY_KB:CUNY_KB&lang=en",
          icon: "fas fa-search fa-fw bigger-icon",
          description: "OneSearch",
          target_blank: "",
          id: 1,
        },
        {
          link: "https://library.kbcc.cuny.edu/az.php",
          icon: "fas fa-database fa-fw bigger-icon",
          description: "Databases A to Z",
          target_blank: "",
          id: 2,
        },
        {
          link: "https://library.kbcc.cuny.edu/guides",
          icon: "fas fa-telescope fa-fw bigger-icon",
          description: "Research Guides",
          target_blank: "",
          id: 3,
        },
        {
          link: "https://library.kbcc.cuny.edu/faq",
          icon: "fas fa-question-circle fa-fw bigger-icon",
          description: "FAQ",
          target_blank: "",
          id: 4,
        },
        {
          link: "https://library.kbcc.cuny.edu/calendar",
          icon: "fas fa-clock fa-fw bigger-icon",
          description: "Library Hours",
          target_blank: "",
          id: 5,
        },
        {
          link: "https://library.kbcc.cuny.edu/sitemap",
          icon: "fas fa-location-arrow fa-fw bigger-icon",
          description: "Site Map",
          target_blank: "",
          id: 6,
        },
      ],
      navlistofmenus: {
        "Find It": {
          id: 1,
          isOpen: false, // Added for dynamic aria-expanded (WCAG 4.1.2)
          data: [
            {
              link: "https://library.kbcc.cuny.edu/az.php",
              icon: "fas fa-database fa-fw bigger-icon",
              description: "Databases A to Z",
              target_blank: "",
              id: 1,
            },
            {
              link: "https://cuny-kb.primo.exlibrisgroup.com/discovery/npsearch?vid=01CUNY_KB:CUNY_KB&search_scope=all",
              icon: "fas fa-newspaper fa-fw bigger-icon",
              description: "Newspaper Search",
              target_blank: "",
              id: 2,
            },
            {
              link: "https://cuny-kb.primo.exlibrisgroup.com/discovery/search?vid=01CUNY_KB:CUNY_KB&tab=CourseReserves&search_scope=CourseReserves",
              icon: "fas fa-cloud-download-alt fa-fw bigger-icon",
              description: "Course Reserves",
              target_blank: "",
              id: 3,
            },
            {
              link: "https://cuny-kb.primo.exlibrisgroup.com/discovery/jsearch?vid=01CUNY_KB:CUNY_KB",
              icon: "fas fa-book fa-fw bigger-icon",
              description: "Search for Specific Journals",
              target_blank: "",
              id: 4,
            },
            {
              link: "https://library.kbcc.cuny.edu/academicworks",
              icon: "fas fa-archive fa-fw bigger-icon",
              description: "CUNY Academic Works",
              target_blank: "_blank",
              id: 5,
            },
            {
              link: "https://kbcc.textbookx.com/institutional/index.php",
              icon: "fas fa-cash-register fa-fw bigger-icon",
              description: "KBCC Bookstore",
              target_blank: "_blank",
              id: 6,
            },
          ],
        },
        Services: {
          id: 2,
          isOpen: false, // Added for dynamic aria-expanded (WCAG 4.1.2)
          data: [
            {
              link: "https://kbcc-cuny.illiad.oclc.org/illiad/logon.html",
              icon: "fas fa-books fa-fw bigger-icon",
              description: "Interlibrary Loan",
              target_blank: "_blank",
              id: 1,
            },
            {
              link: "https://library.kbcc.cuny.edu/libraryservices/informationliteracy",
              icon: "fas fa-chalkboard-teacher fa-fw bigger-icon",
              description: "Book a Library Instruction Session",
              target_blank: "",
              id: 2,
            },
            {
              link: "https://library.kbcc.cuny.edu/mediaservices",
              icon: "fas fa-photo-video fa-fw bigger-icon",
              description: "Media Services",
              target_blank: "",
              id: 3,
            },
            {
              link: "https://kbcc-cuny.libanswers.com/form?queue_id=6967",
              icon: "fas fa-shopping-basket fa-fw bigger-icon",
              description: "Suggest a Book for Purchase",
              target_blank: "",
              id: 4,
            },
            {
              link: "https://kbcc-cuny.libwizard.com/id/8cdb3f1a787de3c307a8cf5d75cad406",
              icon: "fas fa-bookmark fa-fw bigger-icon",
              description: "Suggest an Item to Add to Reserves",
              target_blank: "",
              id: 5,
            },
          ],
        },
        "About Us": {
          id: 3,
          isOpen: false, // Added for dynamic aria-expanded (WCAG 4.1.2)
          data: [
            {
              link: "https://library.kbcc.cuny.edu/about-us/directory",
              icon: "fas fa-address-book fa-fw bigger-icon",
              description: "Faculty & Staff Directory",
              target_blank: "",
              id: 1,
            },
            {
              link: "https://library.kbcc.cuny.edu/newarrivals",
              icon: "far fa-mail-bulk fa-fw bigger-icon",
              description: "New Arrivals",
              target_blank: "",
              id: 2,
            },
            {
              link: "https://library.kbcc.cuny.edu/about-us/liaisons",
              icon: "fas fa-theater-masks fa-fw bigger-icon",
              description: "Subject Liaisons",
              target_blank: "",
              id: 3,
            },
            {
              link: "https://library.kbcc.cuny.edu/social",
              icon: "far fa-hashtag fa-fw bigger-icon",
              description: "Social Media",
              target_blank: "",
              id: 4,
            },
            {
              link: "https://cuny-kb.alma.exlibrisgroup.com/discovery/collectionDiscovery?vid=01CUNY_KB:CUNY_KB",
              icon: "fa-solid fa-star fa-fw bigger-icon",
              description: "Featured Collections",
              target_blank: "",
              id: 5,
            },
          ],
        },
        "Location & Hours": {
          id: 4,
          isOpen: false, // Added for dynamic aria-expanded (WCAG 4.1.2)
          data: [
            {
              link: "https://tour.kingsborough.edu/",
              icon: "fas fa-map-marked-alt fa-fw bigger-icon",
              description: "Campus Map",
              target_blank: "",
              id: 1,
            },
            {
              link: "https://library.kbcc.cuny.edu/calendar",
              icon: "fas fa-clock fa-fw bigger-icon",
              description: "Library Hours",
              target_blank: "",
              id: 2,
            },
          ],
        },
        Help: {
          id: 5,
          isOpen: false, // Added for dynamic aria-expanded (WCAG 4.1.2)
          data: [
            {
              link: "https://library.kbcc.cuny.edu/askalibrarian",
              icon: "fas fa-book-reader fa-fw bigger-icon",
              description: "Ask A Librarian",
              target_blank: "",
              id: 1,
            },
            {
              link: "https://library.kbcc.cuny.edu/faq",
              icon: "fas fa-question-circle fa-fw bigger-icon",
              description: "FAQ",
              target_blank: "",
              id: 2,
            },
            {
              link: "https://library.kbcc.cuny.edu/guides",
              icon: "fas fa-telescope fa-fw bigger-icon",
              description: "Research Guides and Tutorials",
              target_blank: "",
              id: 3,
            },
            {
              link: "https://library.kbcc.cuny.edu/ENGLISH24",
              icon: "fas fa-question fa-fw bigger-icon",
              description: "How to Use the Library",
              target_blank: "",
              id: 4,
            },
          ],
        },
      },
    };
  },
  methods: {
    toggleTheme() {
      this.isDark = !this.isDark;
      this.applyTheme(this.isDark);
      localStorage.setItem("kbcc-theme", this.isDark ? "dark" : "light");
    },
    applyTheme(isDark) {
      if (isDark) {
        document.body.setAttribute("data-bs-theme", "dark");
      } else {
        document.body.removeAttribute("data-bs-theme");
      }
      this.updateBackgroundOverlay(isDark);
    },
    updateBackgroundOverlay(isDark) {
      var el = document.querySelector(".kbcc-background-image");
      if (el && el.style.backgroundImage) {
        // Extract the url() part from the existing background-image
        var match = el.style.backgroundImage.match(/url\([^)]+\)/);
        if (match) {
          var overlay = isDark
            ? "rgba(0,0,0,0.4)"
            : "rgba(255,255,255,0.6)";
          el.style.backgroundImage =
            "linear-gradient(to bottom, " + overlay + " 0%, " + overlay + " 100%), " + match[0];
        }
      }
    }
  },
  mounted() {
    // Theme initialization
    var stored = localStorage.getItem("kbcc-theme");
    var prefersDark = window.matchMedia && window.matchMedia("(prefers-color-scheme: dark)").matches;

    if (stored) {
      this.isDark = stored === "dark";
    } else {
      this.isDark = prefersDark;
    }
    this.applyTheme(this.isDark);

    // Listen for OS preference changes (only applies when no manual override)
    var self = this;
    window.matchMedia("(prefers-color-scheme: dark)").addEventListener("change", function(e) {
      if (!localStorage.getItem("kbcc-theme")) {
        self.isDark = e.matches;
        self.applyTheme(self.isDark);
      }
    });

    // Dynamic aria-expanded for hamburger menu (WCAG 4.1.2)
    const hamburger = document.getElementById('hamburger');
    const hamburgerContainer = document.getElementById('hamburger-container');

    if (hamburger && hamburgerContainer) {
      // Update aria-expanded when dropdown opens/closes (BS5 native events)
      hamburgerContainer.addEventListener('shown.bs.dropdown', function() {
        hamburger.setAttribute('aria-expanded', 'true');
      });
      hamburgerContainer.addEventListener('hidden.bs.dropdown', function() {
        hamburger.setAttribute('aria-expanded', 'false');
      });
    }
  }
});
app1.mount("#app1");

const app2 = createApp({
  components: {
    "onesearch-component": onesearchComponent,
  },
});
app2.mount("#app2");

// Randomly set the background image for .kbcc-background-image
(function () {
  const images = [
    "https://libapps.s3.amazonaws.com/accounts/16298/images/library_front_view.jpg",
    "https://d2jv02qf7xgjwx.cloudfront.net/accounts/16298/images/copy_for_it.jpg",
    "https://d2jv02qf7xgjwx.cloudfront.net/accounts/16298/images/Library_Website_Background_Images_005.jpg",
    "https://d2jv02qf7xgjwx.cloudfront.net/accounts/16298/images/Library_Website_Background_Images_002.jpg",
  ];
  var picked = images[Math.floor(Math.random() * images.length)];
  var el = document.querySelector(".kbcc-background-image");
  if (el) {
    // Check theme for correct overlay color
    var stored = localStorage.getItem("kbcc-theme");
    var prefersDark = window.matchMedia && window.matchMedia("(prefers-color-scheme: dark)").matches;
    var isDark = stored ? stored === "dark" : prefersDark;
    var overlay = isDark ? "rgba(0,0,0,0.4)" : "rgba(255,255,255,0.6)";
    el.style.backgroundImage =
      "linear-gradient(to bottom, " + overlay + " 0%, " + overlay + " 100%), url('" + picked + "')";
  }
})();