"use client";
import { useState, useEffect, useRef } from "react";
import { useSearchProduct } from "@/utils/hooks/useSearchProduct";
import Grid from "@/components/theme/ui/grid/Grid";
// import dynamicImport from "next/dynamic";
import HotSearch from "@/app/(public)/search/_components/HotSearch"
import { useMediaQuery } from "@utils/hooks/useMediaQueryHook";
import Link from "next/link";
// import { usePathname } from "next/navigation";
// const ProductGridItems = dynamicImport(
//   () => import("@/components/catalog/product/ProductGridItems"),
// );
import NewProductGridItems from "@/components/catalog/product/NewProductGridItems";

// 定义弹窗入参类型
interface SearchPopProps {
  open: boolean;
  onClose: () => void;
}

export default function SearchPop({ open, onClose }: SearchPopProps) {
  const { data, error, searchProducts } = useSearchProduct();
  const [keyword, setKeyword] = useState("");
  const debounceTimerRef = useRef<NodeJS.Timeout | null>(null);

  const products = data?.edges?.map((e) => e.node) || [];
  const isDesktop = useMediaQuery("(min-width: 1024px)");
  //   const pathname = usePathname();
  // useEffect(() => {
  //   // 打开状态下，路由变化就关闭弹窗
  //   if (open) {
  //     handleClose();
  //   }
  // }, [pathname]);
  // 执行搜索接口
  const triggerSearch = async (searchWord: string) => {
    if (!searchWord.trim()) return;
    const params = {
      suggest: true,
      query: searchWord,
      first: 8,
    };
    console.log("【接口入参 variables】", params);
    const res = await searchProducts(params);
    console.log("【接口完整返回结果】", res);
    console.log("【商品列表数据】", res.data?.search);
  };

  // 防抖输入
  const handleKeywordChange = (e: React.ChangeEvent<HTMLInputElement>) => {
    const value = e.target.value;
    setKeyword(value);
    if (debounceTimerRef.current) clearTimeout(debounceTimerRef.current);
    debounceTimerRef.current = setTimeout(() => triggerSearch(value), 300);
  };

  // 点击搜索/回车搜索
  const handleSearch = () => {
    if (debounceTimerRef.current) clearTimeout(debounceTimerRef.current);
    triggerSearch(keyword);
  };

  // 销毁清除定时器
  useEffect(() => {
    return () => {
      if (debounceTimerRef.current) clearTimeout(debounceTimerRef.current);
    };
  }, []);

  // 轮播占位文案
  const placeholderList = [
    "Search for products...",
    "Find best sellers",
    "Search new arrivals",
    "Search discount items",
    "Search trending products",
  ];
  const [placeholderIndex, setPlaceholderIndex] = useState(0);
  useEffect(() => {
    const interval = setInterval(() => {
      setPlaceholderIndex((prev) => (prev + 1) % placeholderList.length);
    }, 3000);
    return () => clearInterval(interval);
  }, [placeholderList.length]);
  const currentPlaceholder = placeholderList[placeholderIndex];

  // 关闭弹窗并清空关键词
  const handleClose = () => {
    setKeyword("");
    onClose();
  };

  // 弹窗未打开直接返回null
  if (!open) return null;

  return (
    // 全屏弹窗根容器，纯div无多余大括号
    <div className="fixed inset-0 z-[9999] bg-white overflow-y-auto">
      {/* 顶部搜索栏区域 */}
      <div className="relative flex items-center justify-center px-4 py-4 border-b border-neutral-200 pt-10">
        {/* 右上角关闭按钮 严格24px w-6 h-6 */}
        <button
          onClick={handleClose}
          className="absolute right-4 top-4 w-6 h-6 flex items-center justify-center cursor-pointer"
        >
          <svg
            xmlns="http://www.w3.org/2000/svg"
            fill="none"
            viewBox="0 0 24 24"
            strokeWidth={1.8}
            stroke="currentColor"
            className="w-full h-full text-neutral-700"
          >
            <path
              strokeLinecap="round"
              strokeLinejoin="round"
              d="M6 18L18 6M6 6l12 12"
            />
          </svg>
        </button>
      </div>
      {/* 搜索输入框容器 */}
      <div className="block w-full justify-center md:hidden px-4 mt-3 z-10">
        <div
          className={`${isDesktop ? "max-w-[550px]" : ""} relative w-full mx-auto xl:min-w-[516px] outline-none hover:outline-none`}
        >
          <input
            onChange={handleKeywordChange}
            onKeyDown={(e) => e.key === "Enter" && handleSearch()}
            autoComplete="off"
            className="input w-full rounded-lg border border-neutral-200 bg-white py-2 pl-3 pr-10 text-sm text-black outline-none placeholder:text-neutral-500 focus:ring-2 focus:ring-neutral-300 dark:border-neutral-800 dark:bg-transparent dark:text-white dark:placeholder:text-neutral-400 md:pl-4"
            name="search"
            placeholder={currentPlaceholder}
            type="text"
            value={keyword}
          />
          {/* 搜索图标按钮 */}
          <div
            onClick={handleSearch}
            className="absolute bottom-0 right-1 top-0 flex w-9 cursor-pointer items-center justify-center border-l border-neutral-200 dark:border-neutral-700 md:border-0"
          >
            <svg
              xmlns="http://www.w3.org/2000/svg"
              fill="none"
              viewBox="0 0 24 24"
              strokeWidth="1.5"
              className="size-5 stroke-neutral-500 dark:stroke-white md:stroke-black"
            >
              <path
                strokeLinecap="round"
                strokeLinejoin="round"
                d="m21 21-5.197-5.197m0 0A7.5 7.5 0 1 0 5.196 5.196a7.5 7.5 0 0 0 10.607 10.607Z"
              />
            </svg>
          </div>
        </div>
      </div>
      {/* hot search */}
      <HotSearch />
      {/* 商品列表内容区 */}
      <div >
        {error && <p className="text-red-500 my-2 text-center">{error}</p>}
        {data?.edges?.length === 0 && keyword && (
          <p className="text-center text-gray-500 my-6">No matching products</p>
        )}
        {keyword && data?.edges?.length !== 0 && (
          <div>
            <Grid className="grid grid-flow-row grid-cols-2 gap-5 lg:gap-11.5 w-full max-w-screen-2xl mx-auto md:grid-cols-3 lg:grid-cols-4 px-4 xss:px-7.5">
              <NewProductGridItems products={products} />
            </Grid>

            <div className="flex justify-center mt-10 mb-16">
              <Link
                href={`/search?q=${encodeURIComponent(keyword)}`}
                onClick={handleClose}
                className="inline-block border border-black rounded-full px-12 py-4 text-xl font-normal text-black hover:bg-gray-100 transition-colors"
              >
                View More
              </Link>
            </div>
          </div>
        )}
      </div>
    </div>
  );
}