"use client";

import { ProductCard } from "@/components/molecules/cards";
import { useCart } from "@/lib/cart-context";
import { useManager } from "@/lib/manager-context";

import type { ProductGridProps } from "./ProductGrid.types";

function toDisplayUrl(filename: string) {
  if (!filename) return "/imgs/products/placeholder.jpg";
  if (filename.startsWith("/") || filename.startsWith("http")) return filename;
  return `/api/file/${filename}`;
}

export default function ProductGrid({
  searchQuery = "",
  isSidebarOpen = false,
}: ProductGridProps) {
  const { addToCart } = useCart();
  const { products } = useManager();

  const filteredProducts = products.filter((p) => {
    const isAvailable = p.available !== false;
    const matchesSearch =
      searchQuery.trim() === "" ||
      p.name.toLowerCase().includes(searchQuery.toLowerCase()) ||
      p.description.toLowerCase().includes(searchQuery.toLowerCase());
    return isAvailable && matchesSearch;
  });

  const gridCols = isSidebarOpen
    ? "grid-cols-1 min-[480px]:grid-cols-2 lg:grid-cols-2 xl:grid-cols-3 2xl:grid-cols-4"
    : "grid-cols-1 min-[480px]:grid-cols-2 lg:grid-cols-3 xl:grid-cols-4 2xl:grid-cols-5";

  return (
    <>
      {/* ── Product grid ── */}
      {filteredProducts.length > 0 ? (
        <div className={`grid gap-4 ${gridCols}`}>
          {filteredProducts.map(
            ({ id, imageUrl, name, price, description }) => (
              <ProductCard
                key={id}
                image={toDisplayUrl(imageUrl)}
                imageAlt={name}
                productName={name}
                price={price}
                description={description}
                onBuy={() => addToCart({ productId: id!, quantity: 1 })}
              />
            ),
          )}
        </div>
      ) : (
        /* Empty state */
        <div className="flex flex-col items-center justify-center gap-4 py-24 text-(--color-text-muted)">
          <i className="fa-solid fa-mug-hot text-5xl opacity-30"></i>
          <p className="text-base font-medium">
            {searchQuery
              ? `Không tìm thấy món nào cho "${searchQuery}"`
              : "Chưa có món trong danh mục này"}
          </p>
        </div>
      )}
    </>
  );
}