"use client";

import Image from "next/image";
import Link from "next/link";
import { Search, X } from "lucide-react";
import { useMemo, useState } from "react";
import { Input } from "@/components/ui/input";
import type { Product } from "@/lib/headless/types";

export function PredictiveSearch({ products }: { products: Product[] }) {
  const [query, setQuery] = useState("");
  const normalized = query.trim().toLocaleLowerCase("es");
  const matches = useMemo(() => normalized.length < 2 ? [] : products.filter((product) => [product.name, product.category, product.collection, product.brand].join(" ").toLocaleLowerCase("es").includes(normalized)).slice(0, 6), [normalized, products]);

  return (
    <div className="relative w-full">
      <Search className="pointer-events-none absolute left-5 top-1/2 z-10 size-5 -translate-y-1/2 text-cyan-700" />
      <Input value={query} onChange={(event) => setQuery(event.target.value)} placeholder="Busca juguetes, mochilas, personajes…" className="h-[52px] border-white/80 bg-white pl-[52px] pr-12 shadow-xl" />
      {query && <button aria-label="Limpiar búsqueda" className="absolute right-4 top-1/2 -translate-y-1/2 rounded-full p-1 text-slate-400 hover:bg-slate-100" onClick={() => setQuery("")}><X className="size-4" /></button>}
      {matches.length > 0 && (
        <div className="absolute left-0 right-0 top-[calc(100%+10px)] z-50 overflow-hidden rounded-2xl border border-slate-200 bg-white p-2 shadow-2xl">
          {matches.map((product) => (
            <Link key={product.id} href={`/product/${product.slug}`} className="grid grid-cols-[54px_1fr] items-center gap-3 rounded-xl p-2 hover:bg-cyan-50" onClick={() => setQuery("")}>
              <div className="relative aspect-square overflow-hidden rounded-lg bg-slate-100"><Image src={product.image} alt="" fill sizes="54px" className="object-cover" /></div>
              <div><strong className="line-clamp-1 text-sm">{product.name}</strong><span className="text-xs text-slate-500">{product.category} · {product.collection}</span></div>
            </Link>
          ))}
        </div>
      )}
    </div>
  );
}
