jQuery(document).ready(function($) {
    function syncB2BPPOMPrice() {
        var qty = parseInt($('input.qty').val()) || 1;
        var b2bBasePrice = 0;
        var ppomFixedTotal = 0;

        // 1. GET THE B2B TIERED PRICE
        var $b2bTable = $('.b2bking_tiered_price_table');
        if ($b2bTable.length > 0) {
            $b2bTable.find('tbody tr').each(function() {
                var $row = $(this);
                var rangeAttr = $row.find('td').first().attr('data-range') || "";
                var minQty = parseInt(rangeAttr.split('-')[0].replace(/[^\d]/g, '')) || 0;

                if (qty >= minQty && minQty > 0) {
                    var tierValue = parseFloat($row.find('.b2bking_hidden_tier_value').val());
                    if (!isNaN(tierValue)) { b2bBasePrice = tierValue; }
                }
            });
        }

        // Fallback for Qty 1-24
        if (b2bBasePrice === 0) {
            b2bBasePrice = parseFloat($('.woocommerce-Price-amount bdi').first().text().replace(/[^\d.]/g, '')) || 0;
        }

        // 2. SUM PPOM FIXED PRICES
        $('.ppom-fixed-price .ppom-price').each(function() {
            var price = parseFloat($(this).text().replace(/[^\d.]/g, '')) || 0;
            ppomFixedTotal += price;
        });

        // 3. CALCULATIONS
        var productSubtotal = b2bBasePrice * qty;
        var grandTotal = productSubtotal + ppomFixedTotal;

        // 4. OVERWRITE PPOM DISPLAY (The Fix for the £2.60 Flicker)
        var $baseRow = $('.ppom-product-base-price');
        $baseRow.find('.ppom-label-item .ppom-price').text(b2bBasePrice.toFixed(2));
        $baseRow.find('.ppom-price-item .ppom-price').text(productSubtotal.toFixed(2));
        $('.ppom-total-without-fixed .ppom-price').text(grandTotal.toFixed(2));

        // 5. UPDATE SUMMARY BOX
        $('.ppom-total-price-display').html(
            '<strong>Calculated Summary:</strong><br>' +
            'B2B Price: £' + b2bBasePrice.toFixed(2) + ' x ' + qty + ' = £' + productSubtotal.toFixed(2) + '<br>' +
            'Fixed Add-ons: £' + ppomFixedTotal.toFixed(2) + '<br>' +
            '<hr><strong>Final Total: £' + grandTotal.toFixed(2) + '</strong>'
        );
    }

    // Trigger on change with a longer delay to "beat" the PPOM flicker
    $(document).on('change keyup input', 'input.qty, .ppom-input', function() {
        setTimeout(syncB2BPPOMPrice, 800);  // Primary trigger
        setTimeout(syncB2BPPOMPrice, 1200); // Safety "Double-Check"
    });

    // Run on load
    setTimeout(syncB2BPPOMPrice, 1500);
});