document.addEventListener("DOMContentLoaded", function () {

    var SELECTORS = [
        ".saji-pdp__desc",
        ".product-details__description",
        ".product__description",
        "#description",
        ".description-content",
        "article",
        ".pro-details",
    ];

    function processContainer(targetElement) {
        if (!targetElement || targetElement.dataset.tableDone) return;
        var htmlContent = targetElement.innerHTML;
        var regex = /\|جدول\|([\s\S]*?)\|الجدول\|/g;
        if (!regex.test(htmlContent)) return;

        var newHtml = htmlContent.replace(/\|جدول\|([\s\S]*?)\|الجدول\|/g, function (match, tableContent) {
            var cleanText = tableContent
                .replace(/<br\s*\/?>/gi, "\n")
                .replace(/<\/p>/gi, "\n")
                .replace(/<[^>]*>/g, "")
                .replace(/&nbsp;/g, " ");

            var rows = cleanText.split("\n");
            var tableHTML = '<table class="salla-multi-table">';
            var isFirstRow = true;

            rows.forEach(function (row) {
                row = row.trim();
                if (!row) return;
                var cols = row.split("|");
                if (isFirstRow) {
                    tableHTML += "<thead><tr>";
                    cols.forEach(col => tableHTML += "<th>" + col.trim() + "</th>");
                    tableHTML += "</tr></thead><tbody>";
                    isFirstRow = false;
                } else {
                    tableHTML += "<tr>";
                    cols.forEach(col => tableHTML += "<td>" + col.trim() + "</td>");
                    tableHTML += "</tr>";
                }
            });

            tableHTML += "</tbody></table>";
            return tableHTML;
        });

        targetElement.innerHTML = newHtml;
        targetElement.dataset.tableDone = "1";
    }

    function processFAQ(targetElement) {
        if (!targetElement || targetElement.dataset.faqDone) return;
        var htmlContent = targetElement.innerHTML;
        var faqRegex = /\|اسئلة\|([\s\S]*?)\|نهاية\|/g;
        if (!faqRegex.test(htmlContent)) return;

        var faqData = [];

        var newHtml = htmlContent.replace(/\|اسئلة\|([\s\S]*?)\|نهاية\|/g, function (match, faqContent) {
            var cleanText = faqContent
                .replace(/<br\s*\/?>/gi, "\n")
                .replace(/<\/p>/gi, "\n")
                .replace(/<[^>]*>/g, "")
                .replace(/&nbsp;/g, " ");

            var lines = cleanText.split('\n');
            var faqHTML = '<div class="salla-faq-container">';
            var currentQ = '', currentA = '';

            for (var i = 0; i < lines.length; i++) {
                var line = lines[i].trim();
                if (!line) continue;

                if (line.indexOf('س:') === 0 || line.indexOf('س :') === 0) {
                    if (currentQ && currentA) faqData.push({ question: currentQ, answer: currentA });
                    if (currentQ) faqHTML += '</div>';
                    currentQ = line.replace(/س\s*:\s*/, '').trim();
                    currentA = '';
                    faqHTML += '<div class="salla-faq-item"><h3>' + currentQ + '</h3>';
                } else if (line.indexOf('ج:') === 0 || line.indexOf('ج :') === 0) {
                    currentA = line.replace(/ج\s*:\s*/, '').trim();
                    faqHTML += '<p>' + currentA + '</p></div>';
                }
            }

            if (currentQ && currentA) faqData.push({ question: currentQ, answer: currentA });
            faqHTML += '</div>';

            if (faqData.length > 0) addFAQSchema(faqData);
            return faqHTML;
        });

        targetElement.innerHTML = newHtml;
        targetElement.dataset.faqDone = "1";
    }

    function addFAQSchema(faqData) {
        var old = document.getElementById('faq-schema');
        if (old) old.remove();
        var schemaData = {
            "@context": "https://schema.org",
            "@type": "FAQPage",
            "mainEntity": faqData.map(function (item) {
                return {
                    "@type": "Question",
                    "name": item.question,
                    "acceptedAnswer": { "@type": "Answer", "text": item.answer }
                };
            })
        };
        var script = document.createElement('script');
        script.id = 'faq-schema';
        script.type = 'application/ld+json';
        script.text = JSON.stringify(schemaData);
        document.head.appendChild(script);
    }

    function runAll() {
        SELECTORS.forEach(function (selector) {
            document.querySelectorAll(selector).forEach(function (el) {
                processContainer(el);
                processFAQ(el);
            });
        });
    }

    runAll();

    var observer = new MutationObserver(function (mutations) {
        var shouldRun = mutations.some(function (m) {
            return m.addedNodes.length > 0 || m.type === 'characterData';
        });
        if (shouldRun) runAll();
    });

    observer.observe(document.body, {
        childList: true,
        subtree: true,
        characterData: true
    });
});