jQuery(document).ready(function ($) {
    const $tableActive = $('table.active-slides');
    const $tableInactive = $('table.inactive-slides');
    const $modalsRoot = $('.modals');

    const validateCronDateTime = function(cronExpression) {
        const pattern = /^(\d+)\s+(\d+)\s+(\d+)\s+(\d+)\s+\*\s+(\d+)$/;
        return pattern.test(cronExpression);
    };

    const getCronDateTime = function(cronExpression) {
        const [minutes, hours, day, month, _, year] = cronExpression.split(' ');
        return `${year}-${month.padStart(2, '0')}-${day.padStart(2, '0')} ${hours.padStart(2, '0')}:${minutes.padStart(2, '0')}`;
    };


    const loadDateTimePicker = function($el) {
        $el.val('');
        const pickr = $el.flatpickr({
            enableTime: true,
            time_24hr: true,
            allowInput: false,
            allowInvalidPreload: false,
            dateFormat: 'Y-m-d H:i',
            onChange: function(selectedDates, dateStr, instance) {
                const d = selectedDates[0];
                const $target = $el.parents('.widget:eq(0)').find('.target');
                $target.val(
                    d ? `${d.getMinutes()} ${d.getHours()} ${d.getDate()} ${(d.getMonth() + 1)} * ${d.getFullYear()}` : ''
                );
            }
        });
        $el.addClass('hidden');
    };

    const getId = function ($el) {
        return $el.is('tr') ? $el.attr('data-level') : $el.parents('tr:eq(0)').attr('data-level');
    };

    const updateTable = function () {
        $('table').each(function () {
            if ($(this).find('tbody tr.slide-item:visible').length === 0) {
                $(this).find('tr.empty-tr').removeClass('hidden');
            } else {
                $(this).find('tr.empty-tr').addClass('hidden');
            }
        }).tableDnDUpdate();
        updatePositions();
    }

    const showModal = function (modalClass) {
        $modalsRoot.removeClass('hidden').find('form').trigger('reset');
        $modalsRoot.find('.modal').addClass('hidden');
        $modalsRoot.find('.modal.' + modalClass).removeClass('hidden');
    };

    const hideModal = function () {
        $modalsRoot.addClass('hidden').find('form').trigger('reset');
    };

    const updatePositions = function (table, row) {
        const positions = {};
        $('.slide-item').each(function (index) {
            positions[getId($(this))] = index;
        });

        $.ajax({
            method: 'POST',
            url: '/slideshow/slide/position',
            headers: {'Content-Type': 'application/json'},
            data: JSON.stringify(positions),
        });
    };

    const main = function () {
        $("table").tableDnD({
            dragHandle: 'td a.slide-sort',
            onDrop: updatePositions
        });
    };

    $(document).on('change', '.slide-item input[type=checkbox]', function () {
        $.ajax({
            url: '/slideshow/slide/toggle',
            headers: {'Content-Type': 'application/json'},
            data: JSON.stringify({id: getId($(this)), enabled: $(this).is(':checked')}),
            method: 'POST',
        });

        const $tr = $(this).parents('tr:eq(0)').remove().clone();

        if ($(this).is(':checked')) {
            $tableActive.append($tr);
        } else {
            $tableInactive.append($tr);
        }

        updateTable();
    });

    $(document).on('change', '.modal-slide select.trigger', function () {
        const $target = $(this).parents('.widget:eq(0)').find('.target');
        const $datetimepicker = $(this).parents('.widget:eq(0)').find('.datetimepicker');

        const isDateTime = $(this).val() === 'datetime';
        const isLoop = $(this).val() === 'loop';
        const flushValue = isLoop;

        const hideCronField = isLoop || isDateTime;
        const hideDateTimeField = !isDateTime;

        $target.toggleClass('hidden', hideCronField);
        $datetimepicker.toggleClass('hidden', hideDateTimeField)

        if (flushValue) {
            $target.val('');
            $datetimepicker.val('');
        }
    });

    $(document).on('change', '#slide-add-type', function () {
        const value = $(this).val();
        const inputType = $(this).find('option').filter(function (i, el) {
            return $(el).val() === value;
        }).data('input');

        $('.slide-add-object-input')
            .addClass('hidden')
            .prop('disabled', true)
            .filter('#slide-add-object-input-' + inputType)
            .removeClass('hidden')
            .prop('disabled', false)
        ;
    });

    $(document).on('click', '.modal-close', function () {
        hideModal();
    });

    $(document).on('click', '.slide-add', function () {
        showModal('modal-slide-add');
        loadDateTimePicker($('.modal-slide-add .datetimepicker'))
        $('.modal-slide-add input:eq(0)').focus().select();
    });

    $(document).on('click', '.slide-edit', function () {
        const slide = JSON.parse($(this).parents('tr:eq(0)').attr('data-entity'));
        showModal('modal-slide-edit');
        loadDateTimePicker($('.modal-slide-edit .datetimepicker'))

        const hasCron = slide.cron_schedule && slide.cron_schedule.length > 0;
        const hasDateTime = hasCron && validateCronDateTime(slide.cron_schedule);

        $('.modal-slide-edit input:visible:eq(0)').focus().select();
        $('#slide-edit-name').val(slide.name);
        $('#slide-edit-type').val(slide.type);
        $('#slide-edit-location').val(slide.location);
        $('#slide-edit-duration').val(slide.duration);
        $('#slide-edit-cron-schedule').val(slide.cron_schedule).toggleClass('hidden', !hasCron || hasDateTime);
        $('#slide-edit-cron-schedule-trigger').val(hasDateTime ? 'datetime' : (hasCron ? 'cron' : 'loop'));
        $('#slide-edit-cron-schedule-datetimepicker').toggleClass('hidden', !hasDateTime).val(
            hasDateTime ? getCronDateTime(slide.cron_schedule) : ''
        );
        $('#slide-edit-id').val(slide.id);
    });

    $(document).on('click', '.slide-delete', function () {
        if (confirm(l.slideshow_slide_delete_confirmation)) {
            const $tr = $(this).parents('tr:eq(0)');
            $tr.remove();
            updateTable();
            $.ajax({
                method: 'DELETE',
                url: '/slideshow/slide/delete',
                headers: {'Content-Type': 'application/json'},
                data: JSON.stringify({id: getId($(this))}),
            });
        }
    });

    $(document).keyup(function (e) {
        if (e.key === "Escape") {
            hideModal();
        }
    });

    main();
});