import PropTypes from "prop-types";

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

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

import { followAccount, unfollowAccount } from "flavours/glitch/actions/accounts";
import { Avatar } from "flavours/glitch/components/avatar";
import { DisplayName } from "flavours/glitch/components/display_name";
import { IconButton } from "flavours/glitch/components/icon_button";
import Permalink from "flavours/glitch/components/permalink";
import { makeGetAccount } from "flavours/glitch/selectors";

const messages = defineMessages({
  follow: { id: "account.follow", defaultMessage: "Follow" },
  unfollow: { id: "account.unfollow", defaultMessage: "Unfollow" },
});

const makeMapStateToProps = () => {
  const getAccount = makeGetAccount();

  const mapStateToProps = (state, props) => ({
    account: getAccount(state, props.id),
  });

  return mapStateToProps;
};

const getFirstSentence = str => {
  const arr = str.split(/(([.?!]+\s)|[．。？！\n•])/);

  return arr[0];
};

class Account extends ImmutablePureComponent {

  static propTypes = {
    account: ImmutablePropTypes.map.isRequired,
    intl: PropTypes.object.isRequired,
    dispatch: PropTypes.func.isRequired,
  };

  handleFollow = () => {
    const { account, dispatch } = this.props;

    if (account.getIn(["relationship", "following"]) || account.getIn(["relationship", "requested"])) {
      dispatch(unfollowAccount(account.get("id")));
    } else {
      dispatch(followAccount(account.get("id")));
    }
  };

  render () {
    const { account, intl } = this.props;

    let button;

    if (account.getIn(["relationship", "following"])) {
      button = <IconButton icon='check' title={intl.formatMessage(messages.unfollow)} active onClick={this.handleFollow} />;
    } else {
      button = <IconButton icon='user-plus' title={intl.formatMessage(messages.follow)} onClick={this.handleFollow} />;
    }

    return (
      <div className='account follow-recommendations-account'>
        <div className='account__wrapper'>
          <Permalink className='account__display-name account__display-name--with-note' title={account.get("acct")} href={account.get("url")} to={`/@${account.get("acct")}`}>
            <div className='account__avatar-wrapper'><Avatar account={account} size={36} /></div>

            <DisplayName account={account} />

            <div className='account__note'>{getFirstSentence(account.get("note_plain"))}</div>
          </Permalink>

          <div className='account__relationship'>
            {button}
          </div>
        </div>
      </div>
    );
  }

}

export default connect(makeMapStateToProps)(injectIntl(Account));