import React, { useState, useEffect, useMemo } from 'react';
import { useProfile } from "nostr-react";
import {
  nip19,
} from "nostr-tools";
import {
  Card,
  CardContent,
  CardFooter,
  CardHeader,
  CardTitle,
} from "@/components/ui/card"
import {
  Tooltip,
  TooltipContent,
  TooltipProvider,
  TooltipTrigger,
} from "@/components/ui/tooltip"
import {
  Carousel,
  CarouselContent,
  CarouselItem,
  CarouselNext,
  CarouselPrevious,
} from "@/components/ui/carousel"
import ReactionButton from '@/components/ReactionButton';
import { Avatar, AvatarImage } from '@/components/ui/avatar';
import ViewNoteButton from './ViewNoteButton';
import Link from 'next/link';
import { Event as NostrEvent } from "nostr-tools";
import ZapButton from './ZapButton';
import CardOptionsDropdown from './CardOptionsDropdown';
import { renderTextWithLinkedTags } from '@/utils/textUtils';

interface NoteCardProps {
  pubkey: string;
  text: string;
  eventId: string;
  tags: string[][];
  event: NostrEvent;
  showViewNoteCardButton: boolean;
}

const NoteCard: React.FC<NoteCardProps> = ({ pubkey, text, eventId, tags, event, showViewNoteCardButton }) => {
  const [retryCount, setRetryCount] = useState(0);
  const { data: userData, isLoading: profileLoading } = useProfile({
    pubkey,
  });
  
  // Add retry mechanism for profile loading
  useEffect(() => {
    // If userData is not loaded and we haven't exceeded max retries
    if (!userData && !profileLoading && retryCount < 3) {
      const timer = setTimeout(() => {
        setRetryCount(prev => prev + 1);
      }, 2000); // Retry after 2 seconds
      
      return () => clearTimeout(timer);
    }
  }, [userData, profileLoading, retryCount]);
  
  // Create a shortened npub that can be used as a fallback when userData is not available
  const npubShortened = useMemo(() => {
    const encoded = nip19.npubEncode(pubkey);
    const parts = encoded.split('npub');
    return 'npub' + parts[1].slice(0, 4) + ':' + parts[1].slice(-3);
  }, [pubkey]);

  const title = userData?.username || userData?.display_name || userData?.name || userData?.npub || npubShortened;
  // text = text.replaceAll('\n', '<br />');
  text = text.replaceAll('\n', ' ');
  const imageSrc = text.match(/https?:\/\/[^ ]*\.(png|jpg|gif|jpeg)/g);
  const videoSrc = text.match(/https?:\/\/[^ ]*\.(mp4|webm|mov)/g);
  const textWithoutImage = text.replace(/https?:\/\/.*\.(?:png|jpg|gif|mp4|webm|mov|jpeg)/g, '');
  const createdAt = new Date(event.created_at * 1000);
  const hrefProfile = `/profile/${nip19.npubEncode(pubkey)}`;
  const profileImageSrc = userData?.picture || "https://robohash.org/" + pubkey;

  return (
    <>
      <Card>
        <CardHeader className="flex flex-row items-center">
          <CardTitle className="flex-1">
            <Link href={hrefProfile} style={{ textDecoration: 'none' }}>
              <TooltipProvider>
                <Tooltip>
                  <TooltipTrigger>
                    <div style={{ display: 'flex', alignItems: 'center' }}>
                      <Avatar>
                        <AvatarImage src={profileImageSrc} />
                      </Avatar>
                      <span className='break-all' style={{ marginLeft: '10px' }}>{title}</span>
                    </div>
                  </TooltipTrigger>
                  <TooltipContent>
                    <p>{title}</p>
                  </TooltipContent>
                </Tooltip>
              </TooltipProvider>
            </Link>
          </CardTitle>
          <CardOptionsDropdown event={event} />
        </CardHeader>
        <CardContent>
          <div className='py-4'>
            {
              <div>
                <div className='w-full h-full px-10'>
                  {imageSrc && imageSrc.length > 1 ? (
                    <Carousel>
                      <CarouselContent>
                        {imageSrc.map((src, index) => (
                          <CarouselItem key={index}>
                            <img
                              key={index}
                              src={src}
                              className='rounded lg:rounded-lg w-full h-auto object-contain'
                              style={{ maxHeight: '66vh', margin: 'auto' }}
                              alt={textWithoutImage || "Post image"}
                              loading="lazy"
                            />
                          </CarouselItem>
                        ))}
                      </CarouselContent>
                      <CarouselPrevious />
                      <CarouselNext />
                    </Carousel>
                  ) : (
                    imageSrc ? 
                    <img 
                      src={imageSrc[0]} 
                      className='rounded lg:rounded-lg w-full h-auto object-contain' 
                      style={{ maxHeight: '66vh', margin: 'auto' }}
                      alt={textWithoutImage || "Post image"}
                      loading="lazy"
                    /> : ""
                  )}
                </div>
                <div className='w-full h-full px-10'>
                  {videoSrc && videoSrc.length > 1 ? (
                    <Carousel>
                      <CarouselContent>
                        {videoSrc.map((src, index) => (
                          <CarouselItem key={index}>
                            <video
                              key={index}
                              src={src}
                              controls
                              className='rounded lg:rounded-lg'
                              style={{ maxWidth: '100%', maxHeight: '66vh', objectFit: 'contain', margin: 'auto' }}
                            />
                          </CarouselItem>
                        ))}
                      </CarouselContent>
                      <CarouselPrevious />
                      <CarouselNext />
                    </Carousel>
                  ) : (
                    videoSrc ? <video src={videoSrc[0]} controls className='rounded lg:rounded-lg' style={{ maxWidth: '100%', maxHeight: '66vh', objectFit: 'contain', margin: 'auto' }} /> : ""
                  )}
                </div>
              </div>
            }
            <br />
            <div className='break-word overflow-hidden'>
              {renderTextWithLinkedTags(textWithoutImage, tags)}
            </div>
          </div>
          <hr />
          <div className='py-4 space-x-4 flex'>
            <div className='flex space-x-4'>
              <ReactionButton event={event} />
              <ZapButton event={event} />
              {showViewNoteCardButton && <ViewNoteButton event={event} />}
            </div>
          </div>
        </CardContent>
        <CardFooter>
          <small className="text-muted">{createdAt.toLocaleString()}</small>
        </CardFooter>
      </Card>
    </>
  );
}

export default NoteCard;