import PropTypes from 'prop-types';
import { useCallback } from 'react';

import { defineMessages, useIntl, FormattedMessage } from 'react-intl';

import classNames from 'classnames';
import { Link } from 'react-router-dom';

import ImmutablePropTypes from 'react-immutable-proptypes';

import MoreHorizIcon from '@/material-icons/400-24px/more_horiz.svg?react';
import { EmptyAccount } from 'mastodon/components/empty_account';
import { ShortNumber } from 'mastodon/components/short_number';
import { VerifiedBadge } from 'mastodon/components/verified_badge';

import DropdownMenuContainer from '../containers/dropdown_menu_container';
import { me } from '../initial_state';

import { Avatar } from './avatar';
import { Button } from './button';
import { FollowersCounter } from './counters';
import { DisplayName } from './display_name';
import { RelativeTimestamp } from './relative_timestamp';

const messages = defineMessages({
  follow: { id: 'account.follow', defaultMessage: 'Follow' },
  unfollow: { id: 'account.unfollow', defaultMessage: 'Unfollow' },
  cancel_follow_request: { id: 'account.cancel_follow_request', defaultMessage: 'Withdraw follow request' },
  unblock: { id: 'account.unblock_short', defaultMessage: 'Unblock' },
  unmute: { id: 'account.unmute_short', defaultMessage: 'Unmute' },
  mute_notifications: { id: 'account.mute_notifications_short', defaultMessage: 'Mute notifications' },
  unmute_notifications: { id: 'account.unmute_notifications_short', defaultMessage: 'Unmute notifications' },
  mute: { id: 'account.mute_short', defaultMessage: 'Mute' },
  block: { id: 'account.block_short', defaultMessage: 'Block' },
  more: { id: 'status.more', defaultMessage: 'More' },
});

const Account = ({ size = 46, account, onFollow, onBlock, onMute, onMuteNotifications, hidden, minimal, defaultAction, withBio }) => {
  const intl = useIntl();

  const handleFollow = useCallback(() => {
    onFollow(account);
  }, [onFollow, account]);

  const handleBlock = useCallback(() => {
    onBlock(account);
  }, [onBlock, account]);

  const handleMute = useCallback(() => {
    onMute(account);
  }, [onMute, account]);

  const handleMuteNotifications = useCallback(() => {
    onMuteNotifications(account, true);
  }, [onMuteNotifications, account]);

  const handleUnmuteNotifications = useCallback(() => {
    onMuteNotifications(account, false);
  }, [onMuteNotifications, account]);

  if (!account) {
    return <EmptyAccount size={size} minimal={minimal} />;
  }

  if (hidden) {
    return (
      <>
        {account.get('display_name')}
        {account.get('username')}
      </>
    );
  }

  let buttons;

  if (account.get('id') !== me && account.get('relationship', null) !== null) {
    const following = account.getIn(['relationship', 'following']);
    const requested = account.getIn(['relationship', 'requested']);
    const blocking  = account.getIn(['relationship', 'blocking']);
    const muting  = account.getIn(['relationship', 'muting']);

    if (requested) {
      buttons = <Button text={intl.formatMessage(messages.cancel_follow_request)} onClick={handleFollow} />;
    } else if (blocking) {
      buttons = <Button text={intl.formatMessage(messages.unblock)} onClick={handleBlock} />;
    } else if (muting) {
      let menu;

      if (account.getIn(['relationship', 'muting_notifications'])) {
        menu = [{ text: intl.formatMessage(messages.unmute_notifications), action: handleUnmuteNotifications }];
      } else {
        menu = [{ text: intl.formatMessage(messages.mute_notifications), action: handleMuteNotifications }];
      }

      buttons = (
        <>
          <DropdownMenuContainer
            items={menu}
            icon='ellipsis-h'
            iconComponent={MoreHorizIcon}
            direction='right'
            title={intl.formatMessage(messages.more)}
          />

          <Button text={intl.formatMessage(messages.unmute)} onClick={handleMute} />
        </>
      );
    } else if (defaultAction === 'mute') {
      buttons = <Button title={intl.formatMessage(messages.mute)} onClick={handleMute} />;
    } else if (defaultAction === 'block') {
      buttons = <Button text={intl.formatMessage(messages.block)} onClick={handleBlock} />;
    } else if (!account.get('suspended') && !account.get('moved') || following) {
      buttons = <Button text={intl.formatMessage(following ? messages.unfollow : messages.follow)} onClick={handleFollow} />;
    }
  }

  let muteTimeRemaining;

  if (account.get('mute_expires_at')) {
    muteTimeRemaining = <>· <RelativeTimestamp timestamp={account.get('mute_expires_at')} futureDate /></>;
  }

  let verification;

  const firstVerifiedField = account.get('fields').find(item => !!item.get('verified_at'));

  if (firstVerifiedField) {
    verification = <VerifiedBadge link={firstVerifiedField.get('value')} />;
  }

  return (
    <div className={classNames('account', { 'account--minimal': minimal })}>
      <div className='account__wrapper'>
        <Link key={account.get('id')} className='account__display-name' title={account.get('acct')} to={`/@${account.get('acct')}`}>
          <div className='account__avatar-wrapper'>
            <Avatar account={account} size={size} />
          </div>

          <div className='account__contents'>
            <DisplayName account={account} />
            {!minimal && (
              <div className='account__details'>
                <ShortNumber value={account.get('followers_count')} renderer={FollowersCounter} /> {verification} {muteTimeRemaining}
              </div>
            )}
          </div>
        </Link>

        {!minimal && (
          <div className='account__relationship'>
            {buttons}
          </div>
        )}
      </div>

      {withBio && (account.get('note').length > 0 ? (
        <div
          className='account__note translate'
          dangerouslySetInnerHTML={{ __html: account.get('note_emojified') }}
        />
      ) : (
        <div className='account__note account__note--missing'><FormattedMessage id='account.no_bio' defaultMessage='No description provided.' /></div>
      ))}
    </div>
  );
};

Account.propTypes = {
  size: PropTypes.number,
  account: ImmutablePropTypes.record,
  onFollow: PropTypes.func,
  onBlock: PropTypes.func,
  onMute: PropTypes.func,
  onMuteNotifications: PropTypes.func,
  intl: PropTypes.object.isRequired,
  hidden: PropTypes.bool,
  minimal: PropTypes.bool,
  defaultAction: PropTypes.string,
  withBio: PropTypes.bool,
};

export default Account;