import {
  NDKEvent,
  NDKFilter,
  NDKKind,
  NDKSubscriptionCacheUsage
} from '@nostr-dev-kit/ndk'
import { AlertPopup } from 'components/AlertPopup'
import { CommentContent } from 'components/comment/CommentContent'
import { Reactions } from 'components/comment/Reactions'
import { Zap } from 'components/comment/Zap'
import { Dots } from 'components/Spinner'
import { formatDate } from 'date-fns'
import { useAppSelector, useDidMount, useNDKContext } from 'hooks'
import { useComments } from 'hooks/useComments'
import { nip19 } from 'nostr-tools'
import { useState } from 'react'
import { Link } from 'react-router-dom'
import { appRoutes, getProfilePageRoute } from 'routes'
import { UserProfile } from 'types'
import { hexToNpub } from 'utils'
import { NoteSubmit } from './NoteSubmit'
import { NoteRepost } from './NoteRepost'

interface NoteProps {
  ndkEvent: NDKEvent
}

export const Note = ({ ndkEvent }: NoteProps) => {
  const { ndk } = useNDKContext()
  const userState = useAppSelector((state) => state.user)
  const userPubkey = userState.user?.pubkey as string | undefined
  const [eventProfile, setEventProfile] = useState<UserProfile>()
  const isRepost = ndkEvent.kind === NDKKind.Repost
  const [repostEvent, setRepostEvent] = useState<NDKEvent | undefined>()
  const [repostProfile, setRepostProfile] = useState<UserProfile | undefined>()
  const noteEvent = repostEvent ?? ndkEvent
  const noteProfile = repostProfile ?? eventProfile
  const { commentEvents } = useComments(ndkEvent.pubkey, undefined, ndkEvent.id)
  const [quoteRepostEvents, setQuoteRepostEvents] = useState<NDKEvent[]>([])
  const [hasQuoted, setHasQuoted] = useState(false)
  const [repostEvents, setRepostEvents] = useState<NDKEvent[]>([])
  const [hasReposted, setHasReposted] = useState(false)
  const [isLoading, setIsLoading] = useState(false)
  const [showRepostPopup, setShowRepostPopup] = useState(false)
  const [showQuoteRepostPopup, setShowQuoteRepostPopup] = useState(false)

  useDidMount(() => {
    setIsLoading(true)
    ndkEvent.author.fetchProfile().then((res) => setEventProfile(res))

    if (isRepost) {
      const parsedEvent = JSON.parse(ndkEvent.content)
      const ndkRepostEvent = new NDKEvent(ndk, parsedEvent)
      setRepostEvent(ndkRepostEvent)
      ndkRepostEvent.author.fetchProfile().then((res) => setRepostProfile(res))
    }

    const repostFilter: NDKFilter = {
      kinds: [NDKKind.Repost],
      '#e': [ndkEvent.id]
    }
    const quoteFilter: NDKFilter = {
      kinds: [NDKKind.Text],
      '#q': [ndkEvent.id]
    }
    ndk
      .fetchEvents([repostFilter, quoteFilter], {
        closeOnEose: true,
        cacheUsage: NDKSubscriptionCacheUsage.PARALLEL
      })
      .then((ndkEventSet) => {
        const ndkEvents = Array.from(ndkEventSet)

        if (ndkEventSet.size) {
          const quoteRepostEvents = ndkEvents.filter(
            (n) => n.kind === NDKKind.Text
          )
          userPubkey &&
            setHasQuoted(
              quoteRepostEvents.some((qr) => qr.pubkey === userPubkey)
            )
          setQuoteRepostEvents(quoteRepostEvents)

          const repostEvents = ndkEvents.filter(
            (n) => n.kind === NDKKind.Repost
          )
          userPubkey &&
            setHasReposted(repostEvents.some((qr) => qr.pubkey === userPubkey))
          setRepostEvents(repostEvents)
        }
      })
      .finally(() => {
        setIsLoading(false)
      })
  })

  const profileRoute = getProfilePageRoute(
    nip19.nprofileEncode({
      pubkey: noteEvent.pubkey
    })
  )

  const reposterRoute = repostEvent
    ? getProfilePageRoute(
        nip19.nprofileEncode({
          pubkey: ndkEvent.pubkey
        })
      )
    : undefined

  const baseUrl = appRoutes.feed + '/'

  // Did user already repost this

  // Show who reposted the note
  const reposterVisual =
    repostEvent && reposterRoute ? (
      <>
        <div className='IBMSMSMBSSCL_CommentRepost'>
          <div className='IBMSMSMBSSCL_CommentRepostVisual'>
            <svg
              xmlns='http://www.w3.org/2000/svg'
              viewBox='0 -64 640 640'
              width='1em'
              height='1em'
              fill='currentColor'
            >
              <path d='M614.2 334.8C610.5 325.8 601.7 319.1 592 319.1H544V176C544 131.9 508.1 96 464 96h-128c-17.67 0-32 14.31-32 32s14.33 32 32 32h128C472.8 160 480 167.2 480 176v143.1h-48c-9.703 0-18.45 5.844-22.17 14.82s-1.656 19.29 5.203 26.16l80 80.02C499.7 445.7 505.9 448 512 448s12.28-2.344 16.97-7.031l80-80.02C615.8 354.1 617.9 343.8 614.2 334.8zM304 352h-128C167.2 352 160 344.8 160 336V192h48c9.703 0 18.45-5.844 22.17-14.82s1.656-19.29-5.203-26.16l-80-80.02C140.3 66.34 134.1 64 128 64S115.7 66.34 111 71.03l-80 80.02C24.17 157.9 22.11 168.2 25.83 177.2S38.3 192 48 192H96V336C96 380.1 131.9 416 176 416h128c17.67 0 32-14.31 32-32S321.7 352 304 352z'></path>
            </svg>
          </div>
          <p className='IBMSMSMBSSCL_CommentRepostText'>
            <Link to={reposterRoute}>
              {eventProfile?.displayName || eventProfile?.name || ''}{' '}
            </Link>
            Reposted...
          </p>
        </div>
      </>
    ) : null

  const handleQuoteRepost = async (confirm: boolean) => {
    setShowQuoteRepostPopup(false)

    if (!confirm) return
  }

  const handleRepost = async (confirm: boolean) => {
    setShowRepostPopup(false)

    // Cancel if not confirmed
    if (!confirm) return

    const repostNdkEvent = await ndkEvent.repost(false)
    await repostNdkEvent.sign()
  }

  // Is this user's repost?
  const isUsersRepost =
    isRepost && ndkEvent.author.pubkey === userState.user?.pubkey

  return (
    <div className='IBMSMSMBSSCL_CommentWrapper'>
      <div className='IBMSMSMBSSCL_Comment'>
        {reposterVisual}
        <div className='IBMSMSMBSSCL_CommentTop'>
          <div className='IBMSMSMBSSCL_CommentTopPPWrapper'>
            <Link
              className='IBMSMSMBSSCL_CommentTopPP'
              to={profileRoute}
              style={{
                background: `url('${
                  noteProfile?.image || ''
                }') center / cover no-repeat`
              }}
            />
          </div>
          <div className='IBMSMSMBSSCL_CommentTopDetailsWrapper'>
            <div className='IBMSMSMBSSCL_CommentTopDetails'>
              <Link className='IBMSMSMBSSCL_CTD_Name' to={profileRoute}>
                {noteProfile?.displayName || noteProfile?.name || ''}{' '}
              </Link>
              <Link className='IBMSMSMBSSCL_CTD_Address' to={profileRoute}>
                {hexToNpub(noteEvent.pubkey)}
              </Link>
            </div>
            {noteEvent.created_at && (
              <div className='IBMSMSMBSSCL_CommentActionsDetails'>
                <a className='IBMSMSMBSSCL_CADTime'>
                  {formatDate(noteEvent.created_at * 1000, 'hh:mm aa')}{' '}
                </a>
                <a className='IBMSMSMBSSCL_CADDate'>
                  {formatDate(noteEvent.created_at * 1000, 'dd/MM/yyyy')}
                </a>
              </div>
            )}
          </div>
        </div>
        <div className='IBMSMSMBSSCL_CommentBottom'>
          <CommentContent content={noteEvent.content} />
        </div>
        <div className='IBMSMSMBSSCL_CommentActions'>
          <div className='IBMSMSMBSSCL_CommentActionsInside'>
            <Reactions {...noteEvent.rawEvent()} />
            {/* Quote Repost, Kind 1 */}
            <div
              className={`IBMSMSMBSSCL_CAElement IBMSMSMBSSCL_CAERepost ${
                hasQuoted ? 'IBMSMSMBSSCL_CAERepostActive' : ''
              }`}
              onClick={
                isLoading ? undefined : () => setShowQuoteRepostPopup(true)
              }
            >
              <svg
                xmlns='http://www.w3.org/2000/svg'
                viewBox='0 0 512 512'
                width='1em'
                height='1em'
                fill='currentColor'
                className='IBMSMSMBSSCL_CAElementIcon'
              >
                <path d='M256 31.1c-141.4 0-255.1 93.09-255.1 208c0 49.59 21.38 94.1 56.97 130.7c-12.5 50.39-54.31 95.3-54.81 95.8C0 468.8-.5938 472.2 .6875 475.2c1.312 3 4.125 4.797 7.312 4.797c66.31 0 116-31.8 140.6-51.41c32.72 12.31 69.01 19.41 107.4 19.41C397.4 447.1 512 354.9 512 239.1S397.4 31.1 256 31.1zM368 266c0 8.836-7.164 16-16 16h-54V336c0 8.836-7.164 16-16 16h-52c-8.836 0-16-7.164-16-16V282H160c-8.836 0-16-7.164-16-16V214c0-8.838 7.164-16 16-16h53.1V144c0-8.838 7.164-16 16-16h52c8.836 0 16 7.162 16 16v54H352c8.836 0 16 7.162 16 16V266z'></path>
              </svg>
              <p className='IBMSMSMBSSCL_CAElementText'>
                {isLoading ? <Dots /> : quoteRepostEvents.length}
              </p>
              <div className='IBMSMSMBSSCL_CAElementLoadWrapper'>
                <div className='IBMSMSMBSSCL_CAElementLoad'></div>
              </div>
            </div>
            {/* TODO: new popup */}
            {showQuoteRepostPopup && (
              <AlertPopup
                handleConfirm={handleQuoteRepost}
                handleClose={() => setShowQuoteRepostPopup(false)}
                header={'Quote Repost'}
                label={``}
                yesButtonLabel='Post'
                noButtonLabel='Cancel'
              >
                <NoteSubmit
                  initialContent={`\n\n${
                    repostEvent?.encode() || ndkEvent.encode()
                  }`}
                />
              </AlertPopup>
            )}
            {/* Repost, Kind 6 */}

            {!isUsersRepost && (
              <div
                className={`IBMSMSMBSSCL_CAElement IBMSMSMBSSCL_CAERepost ${
                  hasReposted ? 'IBMSMSMBSSCL_CAERepostActive' : ''
                }`}
                onClick={
                  isLoading || hasReposted
                    ? undefined
                    : () => setShowRepostPopup(true)
                }
              >
                <svg
                  xmlns='http://www.w3.org/2000/svg'
                  viewBox='0 -64 640 640'
                  width='1em'
                  height='1em'
                  fill='currentColor'
                  className='IBMSMSMBSSCL_CAElementIcon'
                >
                  <path d='M614.2 334.8C610.5 325.8 601.7 319.1 592 319.1H544V176C544 131.9 508.1 96 464 96h-128c-17.67 0-32 14.31-32 32s14.33 32 32 32h128C472.8 160 480 167.2 480 176v143.1h-48c-9.703 0-18.45 5.844-22.17 14.82s-1.656 19.29 5.203 26.16l80 80.02C499.7 445.7 505.9 448 512 448s12.28-2.344 16.97-7.031l80-80.02C615.8 354.1 617.9 343.8 614.2 334.8zM304 352h-128C167.2 352 160 344.8 160 336V192h48c9.703 0 18.45-5.844 22.17-14.82s1.656-19.29-5.203-26.16l-80-80.02C140.3 66.34 134.1 64 128 64S115.7 66.34 111 71.03l-80 80.02C24.17 157.9 22.11 168.2 25.83 177.2S38.3 192 48 192H96V336C96 380.1 131.9 416 176 416h128c17.67 0 32-14.31 32-32S321.7 352 304 352z'></path>
                </svg>
                <p className='IBMSMSMBSSCL_CAElementText'>
                  {isLoading ? <Dots /> : repostEvents.length}
                </p>
                <div className='IBMSMSMBSSCL_CAElementLoadWrapper'>
                  <div className='IBMSMSMBSSCL_CAElementLoad'></div>
                </div>
              </div>
            )}
            {showRepostPopup && (
              <NoteRepost
                ndkEvent={repostEvent || ndkEvent}
                handleConfirm={handleRepost}
                handleClose={() => setShowRepostPopup(false)}
              />
            )}
            {typeof noteProfile?.lud16 !== 'undefined' &&
              noteProfile.lud16 !== '' && <Zap {...noteEvent.rawEvent()} />}
            <Link
              className='IBMSMSMBSSCL_CAElement IBMSMSMBSSCL_CAEReplies'
              to={baseUrl + noteEvent.encode()}
            >
              <svg
                xmlns='http://www.w3.org/2000/svg'
                viewBox='0 0 512 512'
                width='1em'
                height='1em'
                fill='currentColor'
                className='IBMSMSMBSSCL_CAElementIcon'
              >
                <path d='M256 32C114.6 32 .0272 125.1 .0272 240c0 49.63 21.35 94.98 56.97 130.7c-12.5 50.37-54.27 95.27-54.77 95.77c-2.25 2.25-2.875 5.734-1.5 8.734C1.979 478.2 4.75 480 8 480c66.25 0 115.1-31.76 140.6-51.39C181.2 440.9 217.6 448 256 448c141.4 0 255.1-93.13 255.1-208S397.4 32 256 32z'></path>
              </svg>
              <p className='IBMSMSMBSSCL_CAElementText'>
                {commentEvents.length}
              </p>
              <p className='IBMSMSMBSSCL_CAElementText'>Replies</p>
            </Link>
            <Link
              className='IBMSMSMBSSCL_CAElement IBMSMSMBSSCL_CAEReply'
              to={baseUrl + noteEvent.encode()}
            >
              <p className='IBMSMSMBSSCL_CAElementText'>Reply</p>
            </Link>
          </div>
        </div>
      </div>
    </div>
  )
}
