import { useState } from "react";
import { type Video } from "@shared/schema";
import VideoCard from "./video-card";
import BunnyVideoModal from "./bunny-video-modal";
import { Button } from "@/components/ui/button";
import { ChevronDown } from "lucide-react";

interface VideoGridProps {
  videos: Video[];
  isLoading: boolean;
  hasMore: boolean;
  onLoadMore: () => void;
  viewMode: "grid" | "list";
}

export default function VideoGrid({ videos, isLoading, hasMore, onLoadMore, viewMode }: VideoGridProps) {
  const [selectedVideo, setSelectedVideo] = useState<Video | null>(null);
  const [isModalOpen, setIsModalOpen] = useState(false);

  const handleVideoClick = (video: Video) => {
    // Navigate to individual video page instead of modal
    window.location.href = `/video/${video.id}`;
  };

  const handleCloseModal = () => {
    setIsModalOpen(false);
    setSelectedVideo(null);
  };

  const handleVideoChange = (video: Video) => {
    setSelectedVideo(video);
  };


  if (isLoading && videos.length === 0) {
    return (
      <div className="flex items-center justify-center py-20" data-testid="grid-loading">
        <div className="text-center">
          <div className="w-16 h-16 bg-[#da234d] rounded-lg flex items-center justify-center shadow-lg animate-pulse mb-4 mx-auto">
            <div className="w-0 h-0 border-l-[12px] border-l-white border-y-[9px] border-y-transparent ml-1"></div>
          </div>
          <h3 className="text-white text-xl font-bold mb-2">video.folx.tv</h3>
          <p className="text-bunny-light">Videos werden geladen...</p>
        </div>
      </div>
    );
  }

  if (videos.length === 0) {
    return (
      <div className="text-center py-12">
        <div className="w-12 h-12 bg-[#da234d] rounded-lg flex items-center justify-center shadow-lg mb-4 mx-auto opacity-50">
          <div className="w-0 h-0 border-l-[9px] border-l-white border-y-[7px] border-y-transparent ml-1"></div>
        </div>
        <div className="text-bunny-muted text-lg mb-4" data-testid="text-no-videos">
          Keine Videos gefunden
        </div>
        <p className="text-sm text-bunny-muted">
          Try adjusting your search or filter criteria
        </p>
      </div>
    );
  }

  const gridClass = viewMode === "grid" 
    ? "grid grid-cols-1 sm:grid-cols-2 lg:grid-cols-3 xl:grid-cols-4 gap-6"
    : "grid grid-cols-1 gap-4";

  return (
    <>
      <div className={gridClass} data-testid="grid-videos">
        {videos.map((video) => (
          <VideoCard
            key={video.id}
            video={video}
            onClick={handleVideoClick}
          />
        ))}
      </div>

      {hasMore && (
        <div className="text-center mt-12">
          <Button
            onClick={onLoadMore}
            disabled={isLoading}
            className="bg-[#da234d] hover:bg-blue-600 text-white px-8 py-3 rounded-lg font-medium transition-colors inline-flex items-center space-x-2"
            data-testid="button-load-more"
          >
            {isLoading ? (
              <>
                <div className="w-4 h-4 bg-[#da234d] rounded flex items-center justify-center animate-pulse">
                  <div className="w-0 h-0 border-l-[3px] border-l-white border-y-[2px] border-y-transparent"></div>
                </div>
                <span>Mehr laden...</span>
              </>
            ) : (
              <>
                <span>Load more videos</span>
                <ChevronDown className="w-4 h-4" />
              </>
            )}
          </Button>
        </div>
      )}

      <BunnyVideoModal
        video={selectedVideo}
        isOpen={isModalOpen}
        onClose={handleCloseModal}
        videos={videos}
        onVideoChange={handleVideoChange}
      />
    </>
  );
}
