import { NDKEvent, NDKKind } from '@nostr-dev-kit/ndk';
import { writeText } from '@tauri-apps/plugin-clipboard-manager';
import { nip19 } from 'nostr-tools';
import { EventPointer } from 'nostr-tools/lib/nip19';
import { useRef, useState } from 'react';
import { useNavigate, useParams } from 'react-router-dom';

import { useStorage } from '@libs/storage/provider';

import { ArrowLeftIcon, CheckCircleIcon, ReplyIcon, ShareIcon } from '@shared/icons';
import {
  ArticleDetailNote,
  NoteActions,
  NoteReplyForm,
  NoteStats,
  ThreadUser,
  UnknownNote,
} from '@shared/notes';
import { RepliesList } from '@shared/notes/replies/list';
import { NoteSkeleton } from '@shared/notes/skeleton';

import { useEvent } from '@utils/hooks/useEvent';

export function ArticleNoteScreen() {
  const navigate = useNavigate();
  const replyRef = useRef(null);

  const { id } = useParams();
  const { db } = useStorage();
  const { status, data } = useEvent(id);

  const [isCopy, setIsCopy] = useState(false);

  const share = async () => {
    await writeText(
      'https://nostr.com/' +
        nip19.neventEncode({ id: data.id, author: data.pubkey } as EventPointer)
    );
    // update state
    setIsCopy(true);
    // reset state after 2 sec
    setTimeout(() => setIsCopy(false), 2000);
  };

  const scrollToReply = () => {
    replyRef.current.scrollIntoView();
  };

  const renderKind = (event: NDKEvent) => {
    switch (event.kind) {
      case NDKKind.Article:
        return <ArticleDetailNote event={event} />;
      default:
        return <UnknownNote event={event} />;
    }
  };

  return (
    <div className="scrollbar-hide h-full w-full overflow-y-auto scroll-smooth">
      <div className="container mx-auto px-4 pt-16 sm:px-6 lg:px-8">
        <div className="grid grid-cols-5">
          <div className="col-span-1 pr-8">
            <div className="sticky top-16 flex flex-col items-end gap-4">
              <button
                type="button"
                onClick={() => navigate(-1)}
                className="inline-flex h-12 w-12 items-center justify-center rounded-xl border border-white/10 bg-white/5"
              >
                <ArrowLeftIcon className="h-5 w-5 text-white" />
              </button>
              <div className="flex flex-col divide-y divide-white/5 rounded-xl border border-white/10 bg-white/5">
                <button
                  type="button"
                  onClick={share}
                  className="sticky top-16 inline-flex h-12 w-12 items-center justify-center rounded-t-xl "
                >
                  {isCopy ? (
                    <CheckCircleIcon className="h-5 w-5 text-green-500" />
                  ) : (
                    <ShareIcon className="h-5 w-5 text-white" />
                  )}
                </button>
                <button
                  type="button"
                  onClick={scrollToReply}
                  className="sticky top-16 inline-flex h-12 w-12 items-center justify-center rounded-b-xl"
                >
                  <ReplyIcon className="h-5 w-5 text-white" />
                </button>
              </div>
            </div>
          </div>
          <div className="col-span-3 flex flex-col gap-1.5">
            {status === 'loading' ? (
              <div className="px-3 py-1.5">
                <div className="rounded-xl bg-white/10 px-3 py-3 backdrop-blur-xl">
                  <NoteSkeleton />
                </div>
              </div>
            ) : (
              <div className="h-min w-full px-3">
                <div className="rounded-xl bg-white/10 px-3 pt-3 backdrop-blur-xl">
                  <ThreadUser pubkey={data.pubkey} time={data.created_at} />
                  <div className="mt-2">{renderKind(data)}</div>
                  <div>
                    <NoteActions id={id} pubkey={data.pubkey} noOpenThread={true} />
                    <NoteStats id={id} />
                  </div>
                </div>
              </div>
            )}
            <div ref={replyRef} className="px-3">
              <NoteReplyForm id={id} pubkey={db.account.pubkey} />
              <RepliesList id={id} />
            </div>
          </div>
          <div className="col-span-1" />
        </div>
      </div>
    </div>
  );
}
