"use client";

import Image from "next/image";
import Link from "next/link";
import { ThumbsUp, ThumbsDown } from "lucide-react";
import { useEffect, useState } from "react";
import { useParams, useRouter } from "next/navigation";
import Swal from "sweetalert2";
import withReactContent from "sweetalert2-react-content";
import { listData, listArticles } from "@/service/landing/landing";
import { getCookiesDecrypt } from "@/lib/utils";
import { toggleBookmark, getBookmarkSummaryForUser } from "@/service/content";

export default function Header() {
  const [data, setData] = useState<any[]>([]);
  const [bookmarkedIds, setBookmarkedIds] = useState<Set<number>>(new Set());
  const router = useRouter();
  const params = useParams();
  const MySwal = withReactContent(Swal);

  // Get slug from URL params
  const slug = params?.slug as string;

  useEffect(() => {
    const fetchData = async () => {
      try {
        // 🔹 Ambil artikel
        const response = await listArticles(
          1,
          5,
          undefined,
          undefined,
          undefined,
          "createdAt",
          slug
        );

        let articlesData: any[] = [];

        if (response?.error) {
          // fallback ke API lama
          const fallbackResponse = await listData(
            "",
            "",
            "",
            5,
            0,
            "createdAt",
            "",
            "",
            ""
          );
          articlesData = fallbackResponse?.data?.data?.content || [];
        } else {
          articlesData = response?.data?.data || [];
        }

        // 🔹 Transform agar seragam
        const transformed = articlesData.map((article: any) => ({
          id: article.id,
          title: article.title,
          categoryName:
            article.categoryName ||
            (article.categories && article.categories[0]?.title) ||
            "",
          createdAt: article.createdAt,
          smallThumbnailLink: article.thumbnailUrl,
          fileTypeId: article.typeId,
          clientName: article.clientName,
          categories: article.categories,
          label:
            article.typeId === 1
              ? "Image"
              : article.typeId === 2
              ? "Video"
              : article.typeId === 3
              ? "Text"
              : article.typeId === 4
              ? "Audio"
              : "",
        }));

        setData(transformed);

        const roleId = Number(getCookiesDecrypt("urie"));
        if (roleId && !isNaN(roleId)) {
          const saved = localStorage.getItem("bookmarkedIds");
          let localSet = new Set<number>();
          if (saved) {
            localSet = new Set(JSON.parse(saved));
            setBookmarkedIds(localSet);
          }

          const res = await getBookmarkSummaryForUser();
          const bookmarks =
            res?.data?.data?.recentBookmarks ||
            res?.data?.data?.bookmarks ||
            res?.data?.data ||
            [];

          const ids = new Set<number>(
            (Array.isArray(bookmarks) ? bookmarks : [])
              .map((b: any) => Number(b.articleId ?? b.id ?? b.article?.id))
              .filter((x) => !isNaN(x))
          );

          const merged = new Set([...localSet, ...ids]);
          setBookmarkedIds(merged);
          localStorage.setItem(
            "bookmarkedIds",
            JSON.stringify(Array.from(merged))
          );
        }
      } catch (error) {
        console.error("Gagal memuat data:", error);
      }
    };

    fetchData();
  }, []);

  // Simpan setiap kali state berubah
  useEffect(() => {
    if (bookmarkedIds.size > 0) {
      localStorage.setItem(
        "bookmarkedIds",
        JSON.stringify(Array.from(bookmarkedIds))
      );
    }
  }, [bookmarkedIds]);

  return (
    <section className="max-w-[1350px] mx-auto px-4">
      <div className="flex flex-col lg:flex-row gap-6 py-6">
        {data.length > 0 && (
          <Card
            item={data[0]}
            isBig
            isInitiallyBookmarked={bookmarkedIds.has(Number(data[0].id))}
            onSaved={(id) =>
              setBookmarkedIds((prev) => new Set([...prev, Number(id)]))
            }
          />
        )}

        <div className="grid grid-cols-1 sm:grid-cols-2 gap-4 w-full">
          {data.slice(1, 5).map((item) => (
            <Card
              key={item.id}
              item={item}
              isInitiallyBookmarked={bookmarkedIds.has(Number(item.id))}
              onSaved={(id) =>
                setBookmarkedIds((prev) => new Set([...prev, Number(id)]))
              }
            />
          ))}
        </div>
      </div>

      <div className="relative w-full h-48 sm:h-64 md:h-80 lg:h-[460px] mt-4 rounded-xl">
        <Image
          src={"/PPS.png"}
          alt={"pps"}
          fill
          className="object-cover rounded-xl"
        />
      </div>
    </section>
  );
}

function Card({
  item,
  isBig = false,
  isInitiallyBookmarked = false,
  onSaved,
}: {
  item: any;
  isBig?: boolean;
  isInitiallyBookmarked?: boolean;
  onSaved?: (id: number) => void;
}) {
  const router = useRouter();
  const MySwal = withReactContent(Swal);
  const [isSaving, setIsSaving] = useState(false);
  const [isBookmarked, setIsBookmarked] = useState(isInitiallyBookmarked);

  useEffect(() => {
    setIsBookmarked(isInitiallyBookmarked);
  }, [isInitiallyBookmarked]);

  const getLink = () => {
    switch (item?.fileTypeId) {
      case 1:
        return `/content/image/detail/${item?.id}`;
      case 2:
        return `/content/video/detail/${item?.id}`;
      case 3:
        return `/content/text/detail/${item?.id}`;
      case 4:
        return `/content/audio/detail/${item?.id}`;
      default:
        return "#";
    }
  };

  const handleSave = async () => {
    const roleId = Number(getCookiesDecrypt("urie"));

    if (!roleId || isNaN(roleId)) {
      MySwal.fire({
        icon: "warning",
        title: "Login diperlukan",
        text: "Silakan login terlebih dahulu untuk menyimpan artikel.",
        confirmButtonText: "Login Sekarang",
        confirmButtonColor: "#d33",
      }).then(() => router.push("/auth"));
      return;
    }

    try {
      setIsSaving(true);
      const res = await toggleBookmark(item.id);

      if (res?.error) {
        MySwal.fire({
          icon: "error",
          title: "Gagal",
          text: "Gagal menyimpan artikel.",
          confirmButtonColor: "#d33",
        });
      } else {
        setIsBookmarked(true);
        onSaved?.(item.id);

        // 🔹 Simpan ke localStorage
        const saved = localStorage.getItem("bookmarkedIds");
        const newSet = new Set<number>(saved ? JSON.parse(saved) : []);
        newSet.add(Number(item.id));
        localStorage.setItem(
          "bookmarkedIds",
          JSON.stringify(Array.from(newSet))
        );

        MySwal.fire({
          icon: "success",
          title: "Berhasil",
          text: "Artikel berhasil disimpan ke bookmark.",
          confirmButtonColor: "#3085d6",
          timer: 1500,
          showConfirmButton: false,
        });
      }
    } catch (err) {
      console.error("Toggle bookmark error:", err);
      MySwal.fire({
        icon: "error",
        title: "Kesalahan",
        text: "Terjadi kesalahan saat menyimpan artikel.",
        confirmButtonColor: "#d33",
      });
    } finally {
      setIsSaving(false);
    }
  };

  return (
    <div>
      <div
        className={`rounded-xl overflow-hidden shadow hover:shadow-lg transition-all bg-white ${
          isBig
            ? "w-full lg:max-w-[670px] lg:min-h-[680px]"
            : "w-full h-[350px] md:h-[330px]"
        }`}
      >
        <div
          className={`relative ${
            isBig ? "aspect-[3/2] lg:h-[525px]" : "aspect-video"
          } w-full`}
        >
          <Link href={getLink()}>
            <Image
              src={item.smallThumbnailLink || "/contributor.png"}
              alt={item.title}
              fill
              className="object-cover"
            />
          </Link>
        </div>

        <div className="p-4 space-y-2">
          <div className="flex items-center gap-2 text-xs font-semibold flex-wrap">
            <span className="bg-emerald-600 text-white px-2 py-0.5 rounded">
              {item.clientName}
            </span>
            <span className="text-orange-600">
              {item.categories?.map((cat: any) => cat.title).join(", ")}
            </span>
          </div>

          <div className="text-xs text-gray-500">
            {new Date(item.createdAt)
              .toLocaleString("id-ID", {
                day: "2-digit",
                month: "short",
                year: "numeric",
                hour: "2-digit",
                minute: "2-digit",
                hour12: false,
                timeZone: "Asia/Jakarta",
              })
              .replace(".", ":")}{" "}
            WIB
          </div>

          <Link href={getLink()}>
            <h3 className="text-sm font-semibold leading-snug line-clamp-2">
              {item.title}
            </h3>
          </Link>

          <div className="flex justify-between items-center pt-2">
            <div className="flex gap-2 text-gray-500">
              <ThumbsUp
                size={18}
                className="cursor-pointer hover:text-[#F60100]"
              />
              <ThumbsDown
                size={18}
                className="cursor-pointer hover:text-red-600"
              />
            </div>

            <button
              onClick={handleSave}
              disabled={isSaving || isBookmarked}
              className={`text-sm px-3 py-1 rounded-md transition-all duration-200 ${
                isBookmarked
                  ? "bg-gray-400 text-white cursor-not-allowed"
                  : "bg-[#F60100] text-white hover:bg-[#c90000]"
              }`}
            >
              {isSaving ? "Saving..." : isBookmarked ? "Saved" : "Save"}
            </button>
          </div>
        </div>
      </div>
    </div>
  );
}