import { PlayCircle, PlayIcon, PlusIcon, VideoIcon } from "lucide-react";
import { useState } from "react";
import Lightbox, { GenericSlide, VideoSlide } from "yet-another-react-lightbox";
import "yet-another-react-lightbox/styles.css";
import { Message } from "./ChatWindow";

type Video = {
  url: string;
  img_src: string;
  title: string;
  iframe_src: string;
};

declare module "yet-another-react-lightbox" {
  export interface VideoSlide extends GenericSlide {
    type: "video-slide";
    src: string;
    iframe_src: string;
  }

  interface SlideTypes {
    "video-slide": VideoSlide;
  }
}

const Searchvideos = ({ query, chat_history }: { query: string; chat_history: Message[] }) => {
  const [videos, setVideos] = useState<Video[] | null>(null);
  const [loading, setLoading] = useState(false);
  const [open, setOpen] = useState(false);
  const [slides, setSlides] = useState<VideoSlide[]>([]);

  return (
    <>
      {!loading && videos === null && (
        <button
          onClick={async () => {
            setLoading(true);

            const chatModelProvider = localStorage.getItem("chatModelProvider");
            const chatModel = localStorage.getItem("chatModel");

            const res = await fetch(`${process.env.NEXT_PUBLIC_API_URL}/videos`, {
              method: "POST",
              headers: {
                "Content-Type": "application/json",
              },
              body: JSON.stringify({
                query: query,
                chat_history: chat_history,
                chat_model_provider: chatModelProvider,
                chat_model: chatModel,
              }),
            });

            const data = await res.json();

            const videos = data.videos;
            setVideos(videos);
            setSlides(
              videos.map((video: Video) => {
                return {
                  type: "video-slide",
                  iframe_src: video.iframe_src,
                  src: video.img_src,
                };
              }),
            );
            setLoading(false);
          }}
          className="border border-dashed border-light-200 dark:border-dark-200 hover:bg-light-200 dark:hover:bg-dark-200 active:scale-95 duration-200 transition px-4 py-2 flex flex-row items-center justify-between rounded-lg dark:text-white text-sm w-full"
        >
          <div className="flex flex-row items-center space-x-2">
            <VideoIcon size={17} />
            <p>Search videos</p>
          </div>
          <PlusIcon className="text-[#24A0ED]" size={17} />
        </button>
      )}
      {loading && (
        <div className="grid grid-cols-2 gap-2">
          {Array.from({ length: 4 }).map((_, index) => (
            <div
              key={index}
              className="bg-light-secondary dark:bg-dark-secondary h-32 w-full rounded-lg animate-pulse aspect-video object-cover"
            />
          ))}
        </div>
      )}
      {videos !== null && videos.length > 0 && (
        <>
          <div className="grid grid-cols-2 gap-2">
            {videos.length > 4
              ? videos.slice(0, 3).map((video, index) => (
                  <div
                    onClick={() => {
                      setOpen(true);
                      setSlides([slides[index], ...slides.slice(0, index), ...slides.slice(index + 1)]);
                    }}
                    className="relative transition duration-200 active:scale-95 hover:scale-[1.02] cursor-pointer"
                    key={index}
                  >
                    <img
                      src={video.img_src}
                      alt={video.title}
                      className="relative h-full w-full aspect-video object-cover rounded-lg"
                    />
                    <div className="absolute bg-white/70 dark:bg-black/70 text-black/70 dark:text-white/70 px-2 py-1 flex flex-row items-center space-x-1 bottom-1 right-1 rounded-md">
                      <PlayCircle size={15} />
                      <p className="text-xs">Video</p>
                    </div>
                  </div>
                ))
              : videos.map((video, index) => (
                  <div
                    onClick={() => {
                      setOpen(true);
                      setSlides([slides[index], ...slides.slice(0, index), ...slides.slice(index + 1)]);
                    }}
                    className="relative transition duration-200 active:scale-95 hover:scale-[1.02] cursor-pointer"
                    key={index}
                  >
                    <img
                      src={video.img_src}
                      alt={video.title}
                      className="relative h-full w-full aspect-video object-cover rounded-lg"
                    />
                    <div className="absolute bg-white/70 dark:bg-black/70 text-black/70 dark:text-white/70 px-2 py-1 flex flex-row items-center space-x-1 bottom-1 right-1 rounded-md">
                      <PlayCircle size={15} />
                      <p className="text-xs">Video</p>
                    </div>
                  </div>
                ))}
            {videos.length > 4 && (
              <button
                onClick={() => setOpen(true)}
                className="bg-light-100 hover:bg-light-200 dark:bg-dark-100 dark:hover:bg-dark-200 transition duration-200 active:scale-95 hover:scale-[1.02] h-auto w-full rounded-lg flex flex-col justify-between text-white p-2"
              >
                <div className="flex flex-row items-center space-x-1">
                  {videos.slice(3, 6).map((video, index) => (
                    <img
                      key={index}
                      src={video.img_src}
                      alt={video.title}
                      className="h-6 w-12 rounded-md lg:h-3 lg:w-6 lg:rounded-sm aspect-video object-cover"
                    />
                  ))}
                </div>
                <p className="text-black/70 dark:text-white/70 text-xs">View {videos.length - 3} more</p>
              </button>
            )}
          </div>
          <Lightbox
            open={open}
            close={() => setOpen(false)}
            slides={slides}
            render={{
              slide: ({ slide }) =>
                slide.type === "video-slide" ? (
                  <div className="h-full w-full flex flex-row items-center justify-center">
                    <iframe
                      src={slide.iframe_src}
                      className="aspect-video max-h-[95vh] w-[95vw] rounded-2xl md:w-[80vw]"
                      allowFullScreen
                      allow="accelerometer; autoplay; encrypted-media; gyroscope; picture-in-picture"
                    />
                  </div>
                ) : null,
            }}
          />
        </>
      )}
    </>
  );
};

export default Searchvideos;