import PropertyDetail from './PropertyDetail';

// Server-side API fetch for metadata (runs at request time on server)
async function fetchPropertyForMeta(id) {
  try {
    const res = await fetch(`http://45.93.137.91/api/RentProperties/GetRentProperties`, {
      next: { revalidate: 60 },
    });
    if (!res.ok) return null;
    const text = await res.text();
    const json = JSON.parse(text);
    const items = Array.isArray(json?.data) ? json.data : Array.isArray(json) ? json : [];
    return items.find(p => p.id == id) || items[0] || null;
  } catch {
    return null;
  }
}

function mapProperty(item) {
  const info = item.propertyInformation || item.PropertyInformation || {};
  let details = {};
  try { details = JSON.parse(info.detailsJSON || info.DetailsJSON || '{}'); } catch {}

  const price = item.monthlyRent || item.MonthlyRent || item.dailyRent || item.DailyRent || 0;
  const priceUnit = item.monthlyRent || item.MonthlyRent ? 'monthly' : 'daily';
  const buildingType = info.buildingType ?? info.BuildingType ?? 0;
  const type = { 0: 'apartment', 1: 'villa', 2: 'house' }[buildingType] || 'apartment';
  const typeLabel = { 0: 'شقة', 1: 'فيلا', 2: 'بيت' }[buildingType] || 'عقار';
  const address = info.address || info.Address || '';
  const bedrooms = info.numberOfBedRooms || info.NumberOfBedRooms || 0;
  const bathrooms = info.numberOfBathRooms || info.NumberOfBathRooms || 0;
  const area = info.space || info.Space || 0;
  const desc = info.description || info.Description || '';
  const images = info.images || info.Images || [];
  const firstImage = Array.isArray(images) && images[0] ? images[0] : '';

  return {
    title: `${typeLabel} في ${address}`,
    description: desc || `${typeLabel} في ${address} · ${bedrooms} غرف نوم · ${bathrooms} حمامات · ${area} م²`,
    price,
    priceUnit,
    typeLabel,
    address,
    bedrooms,
    bathrooms,
    area,
    image: firstImage,
  };
}

export async function generateMetadata({ params }) {
  const { id } = await params;
  const raw = await fetchPropertyForMeta(id);

  if (!raw) {
    return {
      title: 'SweetHome - عقار',
      description: 'اكتشف أفضل العقارات للإيجار',
    };
  }

  const p = mapProperty(raw);
  const priceStr = `${p.price.toLocaleString()} ل.س / ${p.priceUnit === 'daily' ? 'يوم' : 'شهر'}`;
  const propertyImage = p.image
    ? (p.image.startsWith('http') ? p.image : `http://45.93.137.91${p.image}`)
    : '';
  const logoUrl = `http://45.93.137.91/logo.png`;

  // Use property image if available, otherwise logo
  const ogImages = propertyImage
    ? [{ url: propertyImage, width: 1200, height: 630 }, { url: logoUrl, width: 512, height: 512 }]
    : [{ url: logoUrl, width: 512, height: 512 }];

  return {
    title: `${p.title} - ${priceStr}`,
    description: p.description,
    openGraph: {
      title: `${p.title} - ${priceStr}`,
      description: p.description,
      images: ogImages,
      url: `http://45.93.137.91/property/${id}`,
      type: 'website',
      siteName: 'SweetHome',
    },
    twitter: {
      card: 'summary_large_image',
      title: `${p.title} - ${priceStr}`,
      description: p.description,
      images: ogImages.map(i => i.url),
    },
  };
}

export default function PropertyPage({ params }) {
  return <PropertyDetail params={params} />;
}