"use client";
import { useEffect, useState } from "react";
import ModalVideo from "@/components/common/ModalVideo";
import Link from "next/link";
import axios from "axios";
import { Autoplay, Navigation, Pagination } from "swiper/modules";
import { Swiper, SwiperSlide } from "swiper/react";

export default function Hero({ showNavButtons = false }) {
  const [isOpen, setIsOpen] = useState("");
  const [heroData, setHeroData] = useState(null);
  const [loading, setLoading] = useState(true);
  const [error, setError] = useState(null);

  useEffect(() => {
    async function fetchHeroData() {
      try {
        setLoading(true);
        const res = await axios.get("/api/get-component-data", {
          params: { component_name: "Hero" }
        });
        setHeroData(res.data.data);
      } catch (err) {
        setError("获取Hero数据失败");
      } finally {
        setLoading(false);
      }
    }
    fetchHeroData();
  }, []);

  if (loading) return <div className="text-white text-center py-20">Loading...</div>;
  if (error) return <div className="text-red-500 text-center py-20">{error}</div>;
  if (!heroData) return null;

  // 处理items
  const items = heroData.items || [];
  // 处理图片
  const bgImages = [heroData.image, heroData.image_1, heroData.image_2].filter(Boolean);
  // 处理标题和副标题
  const titles = [heroData.title, ...(items.map(i => i.item_title))].filter(Boolean);
  const subtitles = [heroData.subtitle, ...(items.map(i => i.item_subtitle))].filter(Boolean);
  const descs = [heroData.description, ...(items.map(i => i.item_description))].filter(Boolean);

  return (
    <>
      <div className="swiper-container swiper-hero dots-over relative z-10">
        <Swiper
          className="swiper h-full"
          modules={[Navigation, Pagination, Autoplay]}
          pagination={{
            clickable: true,
            el: ".spd7",
          }}
          spaceBetween={0}
          speed={3000}
          navigation={showNavButtons ? {
            prevEl: ".snbp7",
            nextEl: ".snbn7",
          } : false}
        >
          {items.map((item, idx) => {
            let alignClass = "";
            switch ((item.content_align || "").toLowerCase()) {
              case "center":
                alignClass = "md:w-11/12 lg:w-8/12 xl:w-7/12 xxl:w-6/12 w-full !mx-auto text-center";
                break;
              case "right":
                alignClass = "md:w-10/12 lg:w-7/12 xl:w-6/12 w-full max-w-full text-center lg:text-right xl:text-right lg:!ml-[41.666667%] xl:!ml-[50%] xxl:!ml-[50%]";
                break;
              case "left":
              default:
                alignClass = "md:w-10/12 md:!ml-[8.33333333%] lg:w-7/12 lg:!ml-0 xl:w-6/12 xxl:w-5/12 w-full max-w-full text-center lg:text-left xl:text-left";
                break;
            }
            return (
              <SwiperSlide
                key={idx}
                className="swiper-slide max-h-full bg-overlay bg-overlay-400 bg-[#21262c] opacity-100 bg-image !bg-cover !bg-[center_center] !h-[750px] before:content-[''] before:block before:absolute before:z-[1] before:w-full before:h-full before:left-0 before:top-0 before:bg-[rgba(30,34,40,.4)]"
                style={{ backgroundImage: `url(${item.item_image || bgImages[idx] || bgImages[0] || "/assets/img/photos/bg7.jpg"})` }}
              >
                <div className="container !h-full">
                  <div className="flex flex-wrap !h-full items-center">
                    <div className={alignClass + " relative z-10"}>
                      <h2 className="xl:!text-[2.8rem] !leading-[1.2] font-bold !text-[calc(1.405rem_+_1.86vw)] !mb-4 !text-white animate__animated animate__slideInDown animate__delay-1s">
                        {item.item_title || heroData.title}
                      </h2>
                      <p className="lead text-[1.15rem] leading-normal !mb-7 !text-white animate__animated animate__slideInRight animate__delay-2s">
                        {item.item_subtitle || heroData.subtitle}
                      </p>
                      <div className="animate__animated animate__slideInUp animate__delay-3s">
                        {item.item_video_src ? (
                          <a
                            onClick={() => setIsOpen(item.item_video_src)}
                            className="btn btn-circle btn-white btn-play ripple !mx-auto !mb-5 !relative z-[2] xl:!text-[2.3rem] !w-[3.5rem] !h-[3.5rem] !text-[calc(1.355rem_+_1.26vw)] hover:translate-y-0 inline-flex items-center justify-center leading-none p-0 !rounded-[100%] before:content-[''] before:block before:absolute before:opacity-80 before:animate-[ripple-1_2s_infinite_ease-in-out] before:z-[-1] before:rounded-[50%] before:inset-0 before:bg-[#ffffff] after:content-[''] after:block after:absolute after:opacity-60 after:animate-[ripple-2_2s_infinite_ease-in-out] after:z-[-1] after:rounded-[50%] after:inset-0 after:bg-[#ffffff]"
                            style={{ cursor: "pointer" }}
                          >
                            <i className="icn-caret-right !ml-[0.15rem] !relative z-[2] before:content-['\\e900'] !text-[calc(1.355rem_+_1.26vw)]" />
                          </a>
                        ) : (
                          item.item_button_text && item.item_button_link && (
                            item.item_button_link.startsWith("http") ? (
                              <a
                                href={item.item_button_link}
                                className="btn btn-outline-white !text-white bg-[#ffffff] !border-white !border-[2px] hover:!text-[#343f52] hover:bg-[#ffffff] hover:border-white focus:shadow-[rgba(255,255,255,1)] active:!text-[#343f52] active:bg-[#ffffff] active:border-white disabled:text-white disabled:bg-transparent disabled:border-white !rounded-[50rem]"
                                target="_blank"
                                rel="noopener noreferrer"
                              >
                                {item.item_button_text}
                              </a>
                            ) : (
                              <Link
                                href={item.item_button_link}
                                className="btn btn-outline-white !text-white bg-[#ffffff] !border-white !border-[2px] hover:!text-[#343f52] hover:bg-[#ffffff] hover:border-white focus:shadow-[rgba(255,255,255,1)] active:!text-[#343f52] active:bg-[#ffffff] active:border-white disabled:text-white disabled:bg-transparent disabled:border-white !rounded-[50rem]"
                              >
                                {item.item_button_text}
                              </Link>
                            )
                          )
                        )}
                      </div>
                    </div>
                  </div>
                </div>
              </SwiperSlide>
            );
          })}
        </Swiper>
        <div className="swiper-controls">
          {showNavButtons && (
            <div className="swiper-navigation">
              <div className="swiper-button swiper-button-prev snbp7"></div>
              <div className="swiper-button swiper-button-next snbn7"></div>
            </div>
          )}
          <div className="swiper-pagination spd7"></div>
        </div>
      </div>

      <ModalVideo
        isOpen={!!isOpen}
        setIsOpen={() => setIsOpen("")}
        src={isOpen}
      />
    </>
  );
}