import Image from 'next/image';
import Link from 'next/link';
import { AddToCompareButton } from '@/components/comparison/add-to-compare-button';
import { Badge } from '@/components/ui/badge';
import { Card, CardContent } from '@/components/ui/card';
import { formatPrice } from '@/lib/currency';
import { shimmerBlurDataURL } from '@/lib/image-blur';
import type { ListingDetail } from '@/lib/listings-api';

const PROPERTY_TYPE_LABELS: Record<string, string> = {
  APARTMENT: 'Căn hộ',
  HOUSE: 'Nhà riêng',
  VILLA: 'Biệt thự',
  LAND: 'Đất nền',
  OFFICE: 'Văn phòng',
  SHOPHOUSE: 'Shophouse',
};

interface PropertyCardProps {
  listing: ListingDetail;
  compact?: boolean;
  /** 'card' (default, vertical) or 'list' (horizontal row) */
  layout?: 'card' | 'list';
}

export function PropertyCard({ listing, compact, layout = 'card' }: PropertyCardProps) {
  const transactionLabel = listing.transactionType === 'SALE' ? 'Bán' : 'Cho thuê';
  const propertyTypeLabel = PROPERTY_TYPE_LABELS[listing.property.propertyType] || listing.property.propertyType;
  const mediaCount = listing.property.media?.length ?? 0;
  const firstImage = listing.property.media?.[0]?.url;
  const directionLabel =
    listing.property.direction === 'NORTH' ? 'Bắc' :
    listing.property.direction === 'SOUTH' ? 'Nam' :
    listing.property.direction === 'EAST' ? 'Đông' :
    listing.property.direction === 'WEST' ? 'Tây' :
    listing.property.direction;

  const ariaLabel = `${listing.property.title} — ${transactionLabel} ${propertyTypeLabel}, ${formatPrice(listing.priceVND)} VNĐ`;

  if (layout === 'list') {
    return (
      <article aria-label={ariaLabel}>
        <Link href={`/listings/${listing.id}`} className="group block">
          <Card className="overflow-hidden transition-shadow hover:shadow-md">
            <div className="flex flex-col sm:flex-row">
              <div className="relative h-44 w-full shrink-0 bg-muted sm:h-36 sm:w-56">
                {firstImage ? (
                  <Image
                    src={firstImage}
                    alt={`Ảnh bất động sản: ${listing.property.title}`}
                    fill
                    sizes="(max-width: 640px) 100vw, 224px"
                    className="object-cover transition-transform group-hover:scale-105"
                    placeholder="blur"
                    blurDataURL={shimmerBlurDataURL()}
                  />
                ) : (
                  <div
                    className="flex h-full items-center justify-center text-sm text-muted-foreground"
                    aria-hidden="true"
                  >
                    Chưa có ảnh
                  </div>
                )}
                <div className="absolute left-2 top-2 flex gap-1">
                  <Badge variant="default" className="text-xs">
                    {transactionLabel}
                  </Badge>
                  <Badge variant="secondary" className="text-xs">
                    {propertyTypeLabel}
                  </Badge>
                </div>
                {mediaCount > 1 && (
                  <div className="absolute bottom-2 right-2">
                    <Badge
                      variant="outline"
                      className="border-none bg-black/50 text-xs text-white"
                      aria-label={`${mediaCount} ảnh`}
                    >
                      {mediaCount} ảnh
                    </Badge>
                  </div>
                )}
                <div className="absolute right-2 top-2">
                  <AddToCompareButton listingId={listing.id} compact />
                </div>
              </div>
              <CardContent className="flex flex-1 flex-col gap-2 p-4">
                <div className="flex flex-wrap items-start justify-between gap-2">
                  <div className="min-w-0 flex-1">
                    <h3 className="line-clamp-1 font-semibold group-hover:text-primary">
                      {listing.property.title}
                    </h3>
                    <p className="mt-0.5 line-clamp-1 text-sm text-muted-foreground">
                      {listing.property.address}, {listing.property.district}, {listing.property.city}
                    </p>
                  </div>
                  <p className="shrink-0 text-lg font-bold text-primary">
                    {formatPrice(listing.priceVND)} VNĐ
                    {listing.transactionType === 'RENT' && listing.rentPriceMonthly && (
                      <span className="text-sm font-normal text-muted-foreground">/tháng</span>
                    )}
                  </p>
                </div>
                <ul className="flex flex-wrap gap-1.5" aria-label="Thông tin bất động sản">
                  <li>
                    <Badge variant="secondary" className="text-xs">
                      {listing.property.areaM2} m²
                    </Badge>
                  </li>
                  {listing.property.bedrooms != null && (
                    <li>
                      <Badge variant="secondary" className="text-xs">
                        {listing.property.bedrooms} PN
                      </Badge>
                    </li>
                  )}
                  {listing.property.bathrooms != null && listing.property.bathrooms > 0 && (
                    <li>
                      <Badge variant="secondary" className="text-xs">
                        {listing.property.bathrooms} PT
                      </Badge>
                    </li>
                  )}
                  {listing.property.direction && (
                    <li>
                      <Badge variant="outline" className="text-xs">
                        Hướng {directionLabel}
                      </Badge>
                    </li>
                  )}
                </ul>
              </CardContent>
            </div>
          </Card>
        </Link>
      </article>
    );
  }

  return (
    <article aria-label={ariaLabel}>
      <Link href={`/listings/${listing.id}`}>
        <Card className="group h-full overflow-hidden transition-shadow hover:shadow-md">
          <div className={`relative bg-muted ${compact ? 'aspect-[16/10]' : 'aspect-[4/3]'}`}>
            {firstImage ? (
              <Image
                src={firstImage}
                alt={`Ảnh bất động sản: ${listing.property.title}`}
                fill
                sizes="(max-width: 640px) 100vw, (max-width: 1024px) 50vw, 33vw"
                className="object-cover transition-transform group-hover:scale-105"
                placeholder="blur"
                blurDataURL={shimmerBlurDataURL()}
              />
            ) : (
              <div className="flex h-full items-center justify-center text-muted-foreground" aria-hidden="true">
                Chưa có ảnh
              </div>
            )}
            <div className="absolute left-2 top-2 flex gap-1">
              <Badge variant="default" className="text-xs">
                {transactionLabel}
              </Badge>
              <Badge variant="secondary" className="text-xs">
                {propertyTypeLabel}
              </Badge>
            </div>
            {mediaCount > 1 && (
              <div className="absolute bottom-2 right-2">
                <Badge variant="outline" className="bg-black/50 text-xs text-white border-none" aria-label={`${mediaCount} ảnh`}>
                  {mediaCount} ảnh
                </Badge>
              </div>
            )}
            <div className="absolute right-2 top-2">
              <AddToCompareButton listingId={listing.id} compact />
            </div>
          </div>
          <CardContent className="p-4">
            <p className="text-lg font-bold text-primary">
              {formatPrice(listing.priceVND)} VNĐ
              {listing.transactionType === 'RENT' && listing.rentPriceMonthly && (
                <span className="text-sm font-normal text-muted-foreground">/tháng</span>
              )}
            </p>
            <h3 className="mt-1 line-clamp-1 font-medium">{listing.property.title}</h3>
            <p className="mt-1 line-clamp-1 text-sm text-muted-foreground">
              {listing.property.address}, {listing.property.district}, {listing.property.city}
            </p>
            <ul className="mt-3 flex flex-wrap gap-1.5" aria-label="Thông tin bất động sản">
              <li>
                <Badge variant="secondary" className="text-xs">
                  {listing.property.areaM2} m²
                </Badge>
              </li>
              {listing.property.bedrooms != null && (
                <li>
                  <Badge variant="secondary" className="text-xs">
                    {listing.property.bedrooms} PN
                  </Badge>
                </li>
              )}
              {listing.property.bathrooms != null && listing.property.bathrooms > 0 && (
                <li>
                  <Badge variant="secondary" className="text-xs">
                    {listing.property.bathrooms} PT
                  </Badge>
                </li>
              )}
              {listing.property.direction && (
                <li>
                  <Badge variant="outline" className="text-xs">
                    Hướng {directionLabel}
                  </Badge>
                </li>
              )}
            </ul>
          </CardContent>
        </Card>
      </Link>
    </article>
  );
}