STUDIP.domReady(() => {
    // Clear search term
    $('#globalsearch-clear').on('click', function() {
        var before = $('#globalsearch-input').val();
        STUDIP.GlobalSearch.resetSearch();

        if ($('html').is('.responsive-display') && before.length === 0) {
            STUDIP.GlobalSearch.toggleSearchBar(false);
        }

        return false;
    });

    // Bind icon click to performing search.
    $('#globalsearch-icon').on('click', function() {
        STUDIP.GlobalSearch.doSearch();

        if ($('html').hasClass('responsified')) {
            var input = $('#globalsearch-input');
            input.toggleClass('hidden-small-down', false);
            input.focus();
        }

        return false;
    });

    // Enlarge search input on focus and show hints.
    $('#globalsearch-input').on('focus', function() {
        STUDIP.GlobalSearch.toggleSearchBar(true, false);
    }).on('keypress', (e) => {
        // Start search on Enter
        if (e.key === 'Enter') {
            STUDIP.GlobalSearch.doSearch();
            return false;
        }
    });
    $('#globalsearch-searchbar').on('keydown', function(e) {
        if (!['ArrowDown', 'ArrowUp'].includes(e.key)) {
            return;
        }

        e.preventDefault();

        // Get all possible items
        const items = $('#globalsearch-list [role=listitem]:visible');

        // Find focussed element
        const focussed = items.filter(':focus');

        // Get index of focussed element in all items
        let index = focussed.length > 0 ? items.index(focussed[0]) : null;

        // Move focussed element up or down in items
        if (e.key === 'ArrowDown') {
            index = (index ?? -1) + 1;
        } else {
            index = (index ?? items.length) - 1;
        }

        // Clamp index to sane boundaries
        if (index < 0) {
            index = 0;
        } else if (index > items.length - 1) {
            index = items.length - 1;
        }

        // Focus new element by index
        items.get(index).focus();
    });


    // Close search on click on page.
    $('#navigation-level-1, #current-page-structure, #main-footer').on('click', function() {
        if (!$('#globalsearch-input').hasClass('hidden-js')) {
            STUDIP.GlobalSearch.toggleSearchBar(false, false);
        }
    });

    // Show/hide hints on click.
    $('#globalsearch-togglehints').on('click', function() {
        var toggle = $('#globalsearch-togglehints'),
            currentText = toggle.text();

        toggle.text(toggle.data('toggle-text').trim());
        toggle.data('toggle-text', currentText);

        toggle.toggleClass('open');
    });

    // Delegate events on result container so we don't have to bind them
    // one by one
    $('#globalsearch-results').on('click', '.globalsearch-category a', function() {
        var category = $(this)
            .closest('.globalsearch-category')
            .data('category');
        STUDIP.GlobalSearch.expandCategory(category);
        return false;
    });

    // Key bindings.
    $(document).keydown(function(e) {
        // Don't do anything if a dialog is open
        if (STUDIP.Dialog.stack.length > 0) {
            return;
        }

        // ctrl + space
        if (e.which === 32 && e.ctrlKey && !e.altKey && !e.metaKey && !e.shiftKey) {
            e.preventDefault();
            if ($('#globalsearch-searchbar').hasClass('is-visible')) {
                STUDIP.GlobalSearch.toggleSearchBar(false, false);
                $('#globalsearch-input').blur();
            } else {
                $('#globalsearch-input').focus();
            }
            // escape
        } else if (e.which === 27 && !e.ctrlKey && !e.altKey && !e.metaKey && !e.shiftKey) {
            e.preventDefault();
            STUDIP.GlobalSearch.toggleSearchBar(false, true);
        }
    });

    // Start searching 750 ms after user stopped typing or content was added
    // by pasting text via right-click.
    $('#globalsearch-input').on('keyup paste',
        _.debounce(function() {
            STUDIP.GlobalSearch.doSearch();
        }, 750)
    );
});