content: import React from 'react';
  import ImmutablePropTypes from 'react-immutable-proptypes';
  import escapeTextContentForBrowser from 'escape-html';
  import PropTypes from 'prop-types';
  import emojify from '../emoji';
  import { isRtl } from '../rtl';
  import { FormattedMessage } from 'react-intl';
  import Permalink from './permalink';
  
  class StatusContent extends React.PureComponent {
  
    static contextTypes = {
      router: PropTypes.object
    };
  
    static propTypes = {
      status: ImmutablePropTypes.map.isRequired,
      onClick: PropTypes.func
    };
  
    state = {
      hidden: true
    };
  
    componentDidMount () {
      const node  = this.node;
      const links = node.querySelectorAll('a');
  
      for (var i = 0; i < links.length; ++i) {
        let link    = links[i];
        let mention = this.props.status.get('mentions').find(item => link.href === item.get('url'));
        let media   = this.props.status.get('media_attachments').find(item => link.href === item.get('text_url') || (item.get('remote_url').length > 0 && link.href === item.get('remote_url')));
  
        if (mention) {
          link.addEventListener('click', this.onMentionClick.bind(this, mention), false);
          link.setAttribute('title', mention.get('acct'));
        } else if (link.textContent[0] === '#' || (link.previousSibling && link.previousSibling.textContent && link.previousSibling.textContent[link.previousSibling.textContent.length - 1] === '#')) {
          link.addEventListener('click', this.onHashtagClick.bind(this, link.text), false);
        } else {
          link.setAttribute('target', '_blank');
          link.setAttribute('rel', 'noopener');
          link.setAttribute('title', link.href);
        }
      }
    }
  
    onMentionClick = (mention, e) => {
      if (e.button === 0) {
        e.preventDefault();
        this.context.router.push(`/accounts/${mention.get('id')}`);
      }
    }
  
    onHashtagClick = (hashtag, e) => {
      hashtag = hashtag.replace(/^#/, '').toLowerCase();
  
      if (e.button === 0) {
        e.preventDefault();
        this.context.router.push(`/timelines/tag/${hashtag}`);
      }
    }
  
    handleMouseDown = (e) => {
      this.startXY = [e.clientX, e.clientY];
    }
  
    handleMouseUp = (e) => {
      const [ startX, startY ] = this.startXY;
      const [ deltaX, deltaY ] = [Math.abs(e.clientX - startX), Math.abs(e.clientY - startY)];
  
      if (e.target.localName === 'button' || e.target.localName === 'span' || e.target.localName === 'a' || (e.target.parentNode && e.target.parentNode.localName === 'a')) {
        return;
      }
  
      if (deltaX + deltaY < 5 && e.button === 0 && this.props.onClick) {
        this.props.onClick();
      }
  
      this.startXY = null;
    }
  
    handleSpoilerClick = (e) => {
      e.preventDefault();
      this.setState({ hidden: !this.state.hidden });
    }
  
    setRef = (c) => {
      this.node = c;
    }
  
    render () {
      const { status } = this.props;
      const { hidden } = this.state;
  
      const content = { __html: emojify(status.get('content')) };
      const spoilerContent = { __html: emojify(escapeTextContentForBrowser(status.get('spoiler_text', ''))) };
      const directionStyle = { direction: 'ltr' };
  
      if (isRtl(status.get('content'))) {
        directionStyle.direction = 'rtl';
      }
  
      if (status.get('spoiler_text').length > 0) {
        let mentionsPlaceholder = '';
  
        const mentionLinks = status.get('mentions').map(item => (
          <Permalink to={`/accounts/${item.get('id')}`} href={item.get('url')} key={item.get('id')} className='mention'>
            @<span>{item.get('username')}</span>
          </Permalink>
        )).reduce((aggregate, item) => [...aggregate, item, ' '], [])
  
        const toggleText = hidden ? <FormattedMessage id='status.show_more' defaultMessage='Show more' /> : <FormattedMessage id='status.show_less' defaultMessage='Show less' />;
  
        if (hidden) {
          mentionsPlaceholder = <div>{mentionLinks}</div>;
        }
  
        return (
          <div className='status__content' ref={this.setRef} onMouseDown={this.handleMouseDown} onMouseUp={this.handleMouseUp}>
            <p style={{ marginBottom: hidden && status.get('mentions').size === 0 ? '0px' : '' }} >
              <span dangerouslySetInnerHTML={spoilerContent} /> <button tabIndex='0' className='status__content__spoiler-link' onClick={this.handleSpoilerClick}>{toggleText}</button>
  
            </p>
  
            {mentionsPlaceholder}
  
            <div style={{ display: hidden ? 'none' : 'block', ...directionStyle }} dangerouslySetInnerHTML={content} />
  
          </div>
        );
      } else if (this.props.onClick) {
        return (
          <div
            ref={this.setRef}
            className='status__content'
            style={{ ...directionStyle }}
            onMouseDown={this.handleMouseDown}
            onMouseUp={this.handleMouseUp}
            dangerouslySetInnerHTML={content}
          />
        );
      } else {
        return (
          <div
            ref={this.setRef}
            className='status__content status__content--no-action'
            style={{ ...directionStyle }}
            dangerouslySetInnerHTML={content}
          />
        );
      }
    }
  
  }
  
  export default StatusContent;
  