import PropTypes from "prop-types";

import { defineMessages, injectIntl } from "react-intl";

import { Helmet } from "react-helmet";

import ImmutablePropTypes from "react-immutable-proptypes";
import ImmutablePureComponent from "react-immutable-pure-component";
import { connect } from "react-redux";

import { getStatusList } from "flavours/glitch/selectors";

import { fetchPinnedStatuses } from "../../actions/pin_statuses";
import ColumnBackButtonSlim from "../../components/column_back_button_slim";
import StatusList from "../../components/status_list";
import Column from "../ui/components/column";

const messages = defineMessages({
  heading: { id: "column.pins", defaultMessage: "Pinned post" },
});

const mapStateToProps = state => ({
  statusIds: getStatusList(state, "pins"),
  hasMore: !!state.getIn(["status_lists", "pins", "next"]),
});

class PinnedStatuses extends ImmutablePureComponent {

  static propTypes = {
    dispatch: PropTypes.func.isRequired,
    statusIds: ImmutablePropTypes.list.isRequired,
    intl: PropTypes.object.isRequired,
    hasMore: PropTypes.bool.isRequired,
    multiColumn: PropTypes.bool,
  };

  UNSAFE_componentWillMount () {
    this.props.dispatch(fetchPinnedStatuses());
  }

  handleHeaderClick = () => {
    this.column.scrollTop();
  };

  setRef = c => {
    this.column = c;
  };

  render () {
    const { intl, statusIds, hasMore, multiColumn } = this.props;

    return (
      <Column bindToDocument={!multiColumn} icon='thumb-tack' heading={intl.formatMessage(messages.heading)} ref={this.setRef}>
        <ColumnBackButtonSlim />
        <StatusList
          statusIds={statusIds}
          scrollKey='pinned_statuses'
          hasMore={hasMore}
          bindToDocument={!multiColumn}
        />
        <Helmet>
          <meta name='robots' content='noindex' />
        </Helmet>
      </Column>
    );
  }

}

export default connect(mapStateToProps)(injectIntl(PinnedStatuses));