import React from 'react';
import ImmutablePropTypes from 'react-immutable-proptypes';
import PropTypes from 'prop-types';
import Avatar from './avatar';
import AvatarOverlay from './avatar_overlay';
import AvatarComposite from './avatar_composite';
import RelativeTimestamp from './relative_timestamp';
import DisplayName from './display_name';
import StatusContent from './status_content';
import StatusActionBar from './status_action_bar';
import AttachmentList from './attachment_list';
import Card from '../features/status/components/card';
import { FormattedMessage, injectIntl } from 'react-intl';
import ImmutablePureComponent from 'react-immutable-pure-component';
import { Audio, MediaGallery, Video } from '../features/ui/util/async-components';
import { HotKeys } from 'react-hotkeys';
import classNames from 'classnames';
import Icon from 'mastodon/components/icon';
import { displayMedia, isStaff } from '../initial_state';
// We use the component (and not the container) since we do not want
// to use the progress bar to show download progress
import Bundle from '../features/ui/components/bundle';
import imageShowThread from '../../images/icon_reply.svg';

export const textForScreenReader = (intl, status, rebloggedByText = false) => {
  const displayName = status.getIn(['account', 'display_name']);

  const values = [
    displayName.length === 0 ? status.getIn(['account', 'acct']).split('@')[0] : displayName,
    status.get('spoiler_text') && status.get('hidden') ? status.get('spoiler_text') : status.get('search_index').slice(status.get('spoiler_text').length),
    intl.formatDate(status.get('created_at'), { hour: '2-digit', minute: '2-digit', month: 'short', day: 'numeric' }),
    status.getIn(['account', 'acct']),
  ];

  if (rebloggedByText) {
    values.push(rebloggedByText);
  }

  return values.join(', ');
};

export const defaultMediaVisibility = (status) => {
  if (!status) {
    return undefined;
  }

  if (status.get('reblog', null) !== null && typeof status.get('reblog') === 'object') {
    status = status.get('reblog');
  }

  return (displayMedia !== 'hide_all' && !status.get('sensitive') || displayMedia === 'show_all');
};

export default @injectIntl
class Status extends ImmutablePureComponent {

  static contextTypes = {
    router: PropTypes.object,
  };

  static propTypes = {
    status            : ImmutablePropTypes.map,
    account           : ImmutablePropTypes.map,
    otherAccounts     : ImmutablePropTypes.list,
    onClick           : PropTypes.func,
    onReply           : PropTypes.func,
    onFavourite       : PropTypes.func,
    onReblog          : PropTypes.func,
    onDelete          : PropTypes.func,
    onDirect          : PropTypes.func,
    onMention         : PropTypes.func,
    onPin             : PropTypes.func,
    onOpenMedia       : PropTypes.func,
    onOpenVideo       : PropTypes.func,
    onBlock           : PropTypes.func,
    onEmbed           : PropTypes.func,
    onHeightChange    : PropTypes.func,
    onToggleHidden    : PropTypes.func,
    muted             : PropTypes.bool,
    hidden            : PropTypes.bool,
    unread            : PropTypes.bool,
    onMoveUp          : PropTypes.func,
    onMoveDown        : PropTypes.func,
    showThread        : PropTypes.bool,
    threadsCompile    : PropTypes.bool,
    getScrollPosition : PropTypes.func,
    updateScrollBottom: PropTypes.func,
    cacheMediaWidth   : PropTypes.func,
    cachedMediaWidth  : PropTypes.number,
  };
  static defaultProps = {
    threadsCompile: true,
  };

  // Avoid checking props that are functions (and whose equality will always
  // evaluate to false. See react-immutable-pure-component for usage.
  updateOnProps = [
    'status',
    'account',
    'muted',
    'hidden',
  ];

  state = {
    showMedia: defaultMediaVisibility(this.props.status),
    statusId : undefined,
  };

  static getDerivedStateFromProps(nextProps, prevState) {
    if (nextProps.status && nextProps.status.get('id') !== prevState.statusId) {
      return {
        showMedia: defaultMediaVisibility(nextProps.status),
        statusId : nextProps.status.get('id'),
      };
    } else {
      return null;
    }
  }

  // Track height changes we know about to compensate scrolling
  componentDidMount() {
    this.didShowCard = !this.props.muted && !this.props.hidden && this.props.status && this.props.status.get('card');
  }

  getSnapshotBeforeUpdate() {
    if (this.props.getScrollPosition) {
      return this.props.getScrollPosition();
    } else {
      return null;
    }
  }

  // Compensate height changes
  componentDidUpdate(prevProps, prevState, snapshot) {
    const doShowCard = !this.props.muted && !this.props.hidden && this.props.status && this.props.status.get('card');

    if (doShowCard && !this.didShowCard) {
      this.didShowCard = true;

      if (snapshot !== null && this.props.updateScrollBottom) {
        if (this.node && this.node.offsetTop < snapshot.top) {
          this.props.updateScrollBottom(snapshot.height - snapshot.top);
        }
      }
    }
  }

  componentWillUnmount() {
    if (this.node && this.props.getScrollPosition) {
      const position = this.props.getScrollPosition();
      if (position !== null && this.node.offsetTop < position.top) {
        requestAnimationFrame(() => {
          this.props.updateScrollBottom(position.height - position.top);
        });
      }
    }
  }

  handleToggleMediaVisibility = () => {
    this.setState({ showMedia: !this.state.showMedia });
  };

  handleClick = () => {
    if (this.props.onClick) {
      this.props.onClick();
      return;
    }

    if (!this.context.router) {
      return;
    }

    const { status } = this.props;
    this.context.router.history.push(`/statuses/${status.getIn(['reblog', 'id'], status.get('id'))}`);
  };

  handleExpandClick = (e) => {
    if (this.props.onClick) {
      this.props.onClick();
      return;
    }

    if (e.button === 0) {
      if (!this.context.router) {
        return;
      }

      const { status } = this.props;
      this.context.router.history.push(`/statuses/${status.getIn(['reblog', 'id'], status.get('id'))}`);
    }
  };

  handleAccountClick = (e) => {
    if (this.context.router && e.button === 0 && !(e.ctrlKey || e.metaKey)) {
      const id = e.currentTarget.getAttribute('data-id');
      e.preventDefault();
      this.context.router.history.push(`/accounts/${id}`);
    }
  };

  handleExpandedToggle = () => {
    this.props.onToggleHidden(this._properStatus());
  };

  handleCollapsedToggle = isCollapsed => {
    this.props.onToggleCollapsed(this._properStatus(), isCollapsed);
  };

  renderLoadingMediaGallery() {
    return (<div
      className='media-gallery'
      style={{ height: '110px' }}
    />);
  }

  renderLoadingVideoPlayer() {
    return (<div
      className='video-player'
      style={{ height: '110px' }}
    />);
  }

  renderLoadingAudioPlayer() {
    return (<div
      className='audio-player'
      style={{ height: '110px' }}
    />);
  }

  handleOpenVideo = (media, startTime) => {
    this.props.onOpenVideo(media, startTime);
  };

  handleHotkeyOpenMedia = e => {
    const { onOpenMedia, onOpenVideo } = this.props;
    const status = this._properStatus();

    e.preventDefault();

    if (status.get('media_attachments').size > 0) {
      if (status.getIn(['media_attachments', 0, 'type']) === 'audio') {
        // TODO: toggle play/paused?
      } else if (status.getIn(['media_attachments', 0, 'type']) === 'video') {
        onOpenVideo(status.getIn(['media_attachments', 0]), 0);
      } else {
        onOpenMedia(status.get('media_attachments'), 0);
      }
    }
  };

  handleHotkeyReply = e => {
    e.preventDefault();
    this.props.onReply(this._properStatus(), this.context.router.history);
  };

  handleHotkeyFavourite = () => {
    this.props.onFavourite(this._properStatus());
  };

  handleHotkeyBoost = e => {
    this.props.onReblog(this._properStatus(), e);
  };

  handleHotkeyMention = e => {
    e.preventDefault();
    this.props.onMention(this._properStatus().get('account'), this.context.router.history);
  };

  handleHotkeyOpen = () => {
    this.context.router.history.push(`/statuses/${this._properStatus().get('id')}`);
  };

  handleHotkeyOpenProfile = () => {
    this.context.router.history.push(`/accounts/${this._properStatus().getIn(['account', 'id'])}`);
  };

  handleHotkeyMoveUp = e => {
    this.props.onMoveUp(this.props.status.get('id'), e.target.getAttribute('data-featured'));
  };

  handleHotkeyMoveDown = e => {
    this.props.onMoveDown(this.props.status.get('id'), e.target.getAttribute('data-featured'));
  };

  handleHotkeyToggleHidden = () => {
    this.props.onToggleHidden(this._properStatus());
  };

  handleHotkeyToggleSensitive = () => {
    this.handleToggleMediaVisibility();
  };

  _properStatus() {
    const { status } = this.props;

    if (status.get('reblog', null) !== null && typeof status.get('reblog') === 'object') {
      return status.get('reblog');
    } else {
      return status;
    }
  }

  handleRef = c => {
    this.node = c;
  };

  render() {
    let media = null;
    let statusAvatar, prepend, rebloggedByText;

    const { intl, hidden, featured, otherAccounts, unread, showThread } = this.props;

    let { status, account, ...other } = this.props;

    if (status === null) {
      return null;
    }

    const handlers = this.props.muted ? {} : {
      reply          : this.handleHotkeyReply,
      favourite      : this.handleHotkeyFavourite,
      boost          : this.handleHotkeyBoost,
      mention        : this.handleHotkeyMention,
      open           : this.handleHotkeyOpen,
      openProfile    : this.handleHotkeyOpenProfile,
      moveUp         : this.handleHotkeyMoveUp,
      moveDown       : this.handleHotkeyMoveDown,
      toggleHidden   : this.handleHotkeyToggleHidden,
      toggleSensitive: this.handleHotkeyToggleSensitive,
      openMedia      : this.handleHotkeyOpenMedia,
    };

    if (hidden) {
      return (
        <HotKeys handlers={handlers}>
          <div
            ref={this.handleRef}
            className={classNames('status__wrapper', { focusable: !this.props.muted })}
            tabIndex='0'
          >
            {status.getIn(['account', 'display_name']) || status.getIn(['account', 'username'])}
            {status.get('content')}
          </div >
        </HotKeys >
      );
    }

    if (status.get('filtered') || status.getIn(['reblog', 'filtered'])) {
      const minHandlers = this.props.muted ? {} : {
        moveUp  : this.handleHotkeyMoveUp,
        moveDown: this.handleHotkeyMoveDown,
      };

      return (
        <HotKeys handlers={minHandlers}>
          <div
            className='status__wrapper status__wrapper--filtered focusable'
            tabIndex='0'
            ref={this.handleRef}
          >
            <FormattedMessage
              id='status.filtered'
              defaultMessage='Filtered'
            />
          </div >
        </HotKeys >
      );
    }

    if (featured) {
      prepend = (
        <div className='status__prepend'>
          <div className='status__prepend-icon-wrapper'><Icon
            id='thumb-tack'
            className='status__prepend-icon'
            fixedWidth
          /></div >
          <FormattedMessage
            id='status.pinned'
            defaultMessage='Pinned toot'
          />
        </div >
      );
    } else if (status.get('reblog', null) !== null && typeof status.get('reblog') === 'object') {
      const display_name_html = { __html: status.getIn(['account', 'display_name_html']) };

      prepend = (
        <div className='status__prepend'>
          <div className='status__prepend-icon-wrapper'><Icon
            id='retweet'
            className='status__prepend-icon'
            fixedWidth
          />
          </div >
          <FormattedMessage
            id='status.reblogged_by'
            defaultMessage='{name} boosted'
            values={{
              name: <a
                onClick={this.handleAccountClick}
                data-id={status.getIn(['account', 'id'])}
                href={status.getIn(['account', 'url'])}
                className='status__display-name muted'
              >
                <bdi ><strong dangerouslySetInnerHTML={display_name_html} /></bdi >
              </a >,
            }}
          />
        </div >
      );

      rebloggedByText = intl.formatMessage({
        id            : 'status.reblogged_by',
        defaultMessage: '{name} boosted',
      }, { name: status.getIn(['account', 'acct']) });

      account = status.get('account');
      status = status.get('reblog');
    }
    /**
     * manage attached medias
     * */
    if (status.get('media_attachments').size > 0) {
      if (this.props.muted) {
        media = (
          <AttachmentList
            compact
            media={status.get('media_attachments')}
          />
        );
      } else if (status.getIn(['media_attachments', 0, 'type']) === 'audio') {
        const attachment = status.getIn(['media_attachments', 0]);

        media = (
          <Bundle
            fetchComponent={Audio}
            loading={this.renderLoadingAudioPlayer}
          >
            {Component => (
              <Component
                src={attachment.get('url')}
                alt={attachment.get('description')}
                duration={attachment.getIn(['meta', 'original', 'duration'], 0)}
                peaks={[0]}
                height={70}
              />
            )}
          </Bundle >
        );
      } else if (status.getIn(['media_attachments', 0, 'type']) === 'video') {
        const attachment = status.getIn(['media_attachments', 0]);

        media = (
          <Bundle
            fetchComponent={Video}
            loading={this.renderLoadingVideoPlayer}
          >
            {Component => (
              <Component
                preview={attachment.get('preview_url')}
                blurhash={attachment.get('blurhash')}
                src={attachment.get('url')}
                alt={attachment.get('description')}
                width={this.props.cachedMediaWidth}
                height={110}
                inline
                sensitive={status.get('sensitive')}
                onOpenVideo={this.handleOpenVideo}
                cacheWidth={this.props.cacheMediaWidth}
                visible={this.state.showMedia}
                onToggleVisibility={this.handleToggleMediaVisibility}
              />
            )}
          </Bundle >
        );
      } else {
        media = (
          <Bundle
            fetchComponent={MediaGallery}
            loading={this.renderLoadingMediaGallery}
          >
            {Component => (
              <Component
                media={status.get('media_attachments')}
                sensitive={status.get('sensitive')}
                height={110}
                onOpenMedia={this.props.onOpenMedia}
                cacheWidth={this.props.cacheMediaWidth}
                defaultWidth={this.props.cachedMediaWidth}
                visible={this.state.showMedia}
                onToggleVisibility={this.handleToggleMediaVisibility}
              />
            )}
          </Bundle >
        );
      }
    } else if (status.get('spoiler_text').length === 0 && status.get('card')) {
      media = (
        <Card
          onOpenMedia={this.props.onOpenMedia}
          card={status.get('card')}
          compact
          cacheWidth={this.props.cacheMediaWidth}
          defaultWidth={this.props.cachedMediaWidth}
        />
      );
    }

    /**
     * avatars
     * */
    if (otherAccounts && otherAccounts.size > 0) {
      statusAvatar = (<AvatarComposite
        accounts={otherAccounts}
        size={48}
      />);
    } else if (account === undefined || account === null) {
      statusAvatar = (<Avatar
        account={status.get('account')}
        size={48}
      />);
    } else {
      statusAvatar = (<AvatarOverlay
        account={status.get('account')}
        friend={account}
      />);
    }

    return (
      <HotKeys handlers={handlers}>
        <div
          className={classNames('status__wrapper', `status__wrapper-${status.get('visibility')}`, {
            'status__wrapper-reply': !!status.get('in_reply_to_id'),
            read                   : unread === false,
            focusable              : !this.props.muted,
          })}
          tabIndex={this.props.muted ? null : 0}
          data-featured={featured ? 'true' : null}
          aria-label={textForScreenReader(intl, status, rebloggedByText)}
          ref={this.handleRef}
        >
          {prepend}

          <div
            className={classNames('status', `status-${status.get('visibility')}`, {
              'status-reply': !!status.get('in_reply_to_id'),
              muted         : this.props.muted,
              read          : unread === false,
            })}
            data-id={status.get('id')}
          >
            <div
              className='status__expand'
              onClick={this.handleExpandClick}
              role='presentation'
            />
            <div className='status__info'>

              {isStaff && (<div className='administrate-stuff pull-left'>
                <a
                  href={`/admin/accounts/${status.getIn(['account', 'id'])}`}
                >
                  <i className='fa fa-gears' />
                </a >
              </div >
              )}
              <a
                href={status.get('url')}
                className='status__relative-time'
                target='_blank'
                rel='noopener noreferrer'
              ><RelativeTimestamp timestamp={status.get('created_at')} /></a >

              <a
                onClick={this.handleAccountClick}
                data-id={status.getIn(['account', 'id'])}
                href={status.getIn(['account', 'url'])}
                title={status.getIn(['account', 'acct'])}
                className='status__display-name'
                target='_blank'
                rel='noopener noreferrer'
              >
                <div className='status__avatar'>
                  {statusAvatar}
                </div >

                <DisplayName
                  account={status.get('account')}
                  others={otherAccounts}
                />
              </a >
            </div >

            <StatusContent
              status={status}
              onClick={this.handleClick}
              expanded={!status.get('hidden')}
              onExpandedToggle={this.handleExpandedToggle}
              collapsable
            />

            {media}

            {showThread && status.get('in_reply_to_id') && status.get('in_reply_to_account_id') === status.getIn(['account', 'id']) && (
              <button
                className='status__content__read-more-button'
                onClick={this.handleClick}
              >

                <FormattedMessage
                  id='status.show_thread'
                  defaultMessage='Show thread'
                />
                <img
                  src={imageShowThread}
                  alt='=> '
                />
              </button >
            )}
            {/*<div className='well'>*/}

            {/*{ isStaff && status.get('in_reply_to_account_id') === status.getIn(['account', 'id']) &&*/}
            {/*<p > oui je cause tout seul, c'est un thread</p >*/}
            {/*}*/}
            {/*{this.props.threadsCompile &&*/}
            {/*<p > les threads sont en mode compilés</p >*/}
            {/*}*/}
            {/*</div >*/}
            <StatusActionBar
              status={status}
              account={account} {...other}
            />
          </div >
        </div >
      </HotKeys >
    );
  }

}