import { prisma } from "@/lib/prisma";
import { asStringArray } from "@/lib/json-array";
import type { ProductWithRelations } from "@/lib/data";

export async function isProductWishlisted(productId: string, customerId: string): Promise<boolean> {
  const item = await prisma.wishlistItem.findUnique({
    where: { customerId_productId: { customerId, productId } },
    select: { id: true },
  });
  return item !== null;
}

/** Gespeicherte Produkte einer Kundin/eines Kunden, neueste zuerst. */
export async function getWishlistProducts(customerId: string): Promise<ProductWithRelations[]> {
  const items = await prisma.wishlistItem.findMany({
    where: { customerId },
    orderBy: { createdAt: "desc" },
    select: {
      product: {
        include: { harvest: true, batch: true, inventory: { select: { quantity: true } } },
      },
    },
  });
  return items.map((item) => ({
    ...item.product,
    tasteTags: asStringArray(item.product.tasteTags),
    images: asStringArray(item.product.images),
  }));
}