/**
 * ACS BlockUI Helpers
 */

(function($) {
    /**
     * Blocks the UI with the modern template and a custom message.
     * @param {string|null|object} message - The custom message to display or options object.
     * @param {object} [options] - Additional blockUI options.
     */
    window.acsBlockUI = function(message, options) {
        if (typeof $ === 'undefined' || typeof $.blockUI === 'undefined') return;

        // Handle case where first argument is an options object
        if (typeof message === 'object' && message !== null && typeof options === 'undefined' && !message.nodeType && !(message instanceof $)) {
            options = message;
            message = options.message || undefined;
        }

        options = options || {};

        var $template = $('.blockui-loading-message').first();
        var $msg = $template.clone().show();

        // If we didn't find a template, but have a string message, use it directly
        if ($msg.length === 0 && typeof message === 'string') {
            options.message = message;
            $.blockUI(options);
            return;
        }

        if (typeof message !== 'undefined') {
            if (message === '') {
                $msg.find('.blockui-message-text').remove();
                $msg.find('i').css('margin-right', '0');
            } else if (typeof message === 'string') {
                $msg.find('.blockui-message-text').html(message);
            } else if (message instanceof $ || (typeof message === 'object' && message.nodeType)) {
                // If message is already a DOM element or jQuery object, just use it
                $msg.find('.blockui-message-text').html('').append(message);
            }
        }

        if ($msg.length > 0) {
            options.message = $msg;
        }

        $.blockUI(options);
    };

    /**
     * Unblocks the UI.
     *
     * Wrapped in try/catch to guard against HierarchyRequestError in blockUI's
     * reset() when data.parent is a non-element node (Rollbar #10708, #45516).
     * The overlay elements are already removed before appendChild runs, so the
     * visual unblock always succeeds even when the catch path is taken.
     */
    window.acsUnblockUI = function() {
        if (typeof $ === 'undefined' || typeof $.unblockUI === 'undefined') return;
        try {
            $.unblockUI();
        } catch (e) {
            // Swallow HierarchyRequestError from blockUI's reset() when the
            // stored parent node is not a valid element target for appendChild.
            // Clear any lingering blockUI history to avoid repeated errors.
            $(window).removeData('blockUI.history');
        }
    };

    // Initialize defaults on document ready
    $(function() {
        if (typeof $.blockUI !== 'undefined') {
            $.blockUI.defaults.css = $.extend({}, $.blockUI.defaults.css, {
                padding: '20px',
                margin: 0,
                width: '400px',
                top: '40%',
                left: 'calc(50% - 200px)',
                textAlign: 'center',
                color: '#fff',
                border: 'none',
                backgroundColor: 'rgba(0,0,0,0.8)',
                '-webkit-border-radius': '10px',
                '-moz-border-radius': '10px',
                'border-radius': '10px',
                cursor: 'wait'
            });
            $.blockUI.defaults.overlayCSS = $.extend({}, $.blockUI.defaults.overlayCSS, {
                backgroundColor: '#000',
                opacity: 0.6,
                cursor: 'wait'
            });

            // NOTE: Do NOT set $.blockUI.defaults.message to a shared DOM clone here.
            // Reusing the same jQuery object across block/unblock cycles means
            // blockUI stores that clone's parentNode in the history, which can
            // become stale or invalid, triggering HierarchyRequestError in reset()
            // when the parent node is a non-element (Rollbar #10708, #45516).
            // Each acsBlockUI() call already creates a fresh clone — that is sufficient.
        }
    });
})(window.jQuery);