feat(clinic): enhance generateMetadata and JSON-LD for comprehensive clinic schema

app/clinic/[slug]/page.js

@@ -32,15 +32,24 @@ export async function generateMetadata({ params }) {
     const title = `${clinic.title} | ${siteName}`;
     const description = `رزرو نوبت و اطلاعات ${clinic.title}. مشاهده لیست پزشکان و خدمات درمانی موجود.`;
 
+    const image = clinic.images_clinic?.[0]?.url
+      ? [imageUrl(clinic.images_clinic[0].url)]
+      : ["https://www.nobat724.com/assets/images/logo.png"];
+
     return {
       title,
       description,
       openGraph: {
         title,
         description,
-        images: clinic.images_clinic?.[0]?.url
-          ? [imageUrl(clinic.images_clinic[0].url)]
-          : ["https://www.nobat724.com/assets/images/logo.png"],
+        type: "website",
+        images: image,
+      },
+      twitter: {
+        card: "summary_large_image",
+        title,
+        description,
+        images: image,
       },
     };
   } catch {
@@ -48,6 +57,19 @@ export async function generateMetadata({ params }) {
   }
 }
 
+function computeClinicRating(doctors) {
+  const rated = doctors.filter((d) => d.point && Number(d.point) > 0);
+  if (rated.length === 0) return null;
+  const avg = rated.reduce((sum, d) => sum + Number(d.point), 0) / rated.length;
+  return {
+    "@type": "AggregateRating",
+    ratingValue: avg.toFixed(1),
+    ratingCount: rated.length,
+    bestRating: "5",
+    worstRating: "1",
+  };
+}
+
 async function Clinic({ params, searchParams }) {
   const { slug } = await params;
   const sp = await searchParams;
@@ -65,14 +87,61 @@ async function Clinic({ params, searchParams }) {
     ? { current: meta.currentPage, total_pages: meta.totalPages }
     : { current: 1, total_pages: 1 };
 
+  const aggregateRating = computeClinicRating(doctors);
+
+  const specialties = [
+    ...new Set(
+      doctors.flatMap((d) => d.specialties?.map((s) => s.name) ?? [])
+    ),
+  ].slice(0, 5);
+
+  const sameAsLinks = clinic?.social_media
+    ? Object.values(clinic.social_media).filter(Boolean)
+    : [];
+
   const jsonLd = clinic
     ? {
         "@context": "https://schema.org",
         "@type": "MedicalClinic",
         name: clinic.title,
+        url: `https://www.nobat724.com/clinic/${clinic.uuid}`,
         ...(clinic.images_clinic?.[0]?.url && {
-          image: imageUrl(clinic.images_clinic[0].url),
+          image: {
+            "@type": "ImageObject",
+            url: imageUrl(clinic.images_clinic[0].url),
+            name: clinic.title,
+          },
         }),
+        ...(clinic.phone && { telephone: clinic.phone }),
+        ...(clinic.location && {
+          address: {
+            "@type": "PostalAddress",
+            streetAddress: clinic.location,
+            addressCountry: "IR",
+          },
+        }),
+        ...(clinic.map?.latitude && clinic.map?.longitude && {
+          geo: {
+            "@type": "GeoCoordinates",
+            latitude: clinic.map.latitude,
+            longitude: clinic.map.longitude,
+          },
+          hasMap: `https://maps.google.com/?q=${clinic.map.latitude},${clinic.map.longitude}`,
+        }),
+        ...(clinic["24_7"] && {
+          openingHoursSpecification: {
+            "@type": "OpeningHoursSpecification",
+            dayOfWeek: [
+              "Monday", "Tuesday", "Wednesday", "Thursday",
+              "Friday", "Saturday", "Sunday",
+            ],
+            opens: "00:00",
+            closes: "23:59",
+          },
+        }),
+        ...(aggregateRating && { aggregateRating }),
+        ...(specialties.length > 0 && { medicalSpecialty: specialties }),
+        ...(sameAsLinks.length > 0 && { sameAs: sameAsLinks }),
       }
     : null;