import PropTypes from "prop-types";
import { PureComponent } from "react";

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

import { Link } from "react-router-dom";

import { connect } from "react-redux";

import { openModal } from "mastodon/actions/modal";
import { domain, version, source_url, statusPageUrl, profile_directory as profileDirectory } from "mastodon/initial_state";
import { PERMISSION_INVITE_USERS } from "mastodon/permissions";
import { logOut } from "mastodon/utils/log_out";

const messages = defineMessages({
  logoutMessage: { id: "confirmations.logout.message", defaultMessage: "Are you sure you want to log out?" },
  logoutConfirm: { id: "confirmations.logout.confirm", defaultMessage: "Log out" },
});

const mapDispatchToProps = (dispatch, { intl }) => ({
  onLogout () {
    dispatch(openModal({
      modalType: "CONFIRM",
      modalProps: {
        message: intl.formatMessage(messages.logoutMessage),
        confirm: intl.formatMessage(messages.logoutConfirm),
        closeWhenConfirm: false,
        onConfirm: () => logOut(),
      },
    }));
  },
});

class LinkFooter extends PureComponent {

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

  static propTypes = {
    multiColumn: PropTypes.bool,
    onLogout: PropTypes.func.isRequired,
    intl: PropTypes.object.isRequired,
  };

  handleLogoutClick = e => {
    e.preventDefault();
    e.stopPropagation();

    this.props.onLogout();

    return false;
  };

  render () {
    const { signedIn, permissions } = this.context.identity;
    const { multiColumn } = this.props;

    const canInvite = signedIn && ((permissions & PERMISSION_INVITE_USERS) === PERMISSION_INVITE_USERS);
    const canProfileDirectory = profileDirectory;

    const DividingCircle = <span aria-hidden>{" · "}</span>;

    return (
      <div className='link-footer'>
        <p>
          <strong>{domain}</strong>:
          {" "}
          <Link to='/about' target={multiColumn ? "_blank" : undefined}><FormattedMessage id='footer.about' defaultMessage='About' /></Link>
          {statusPageUrl && (
            <>
              {DividingCircle}
              <a href={statusPageUrl} target='_blank' rel="noopener noreferrer"><FormattedMessage id='footer.status' defaultMessage='Status' /></a>
            </>
          )}
          {canInvite && (
            <>
              {DividingCircle}
              <a href='/invites' target='_blank'><FormattedMessage id='footer.invite' defaultMessage='Invite people' /></a>
            </>
          )}
          {canProfileDirectory && (
            <>
              {DividingCircle}
              <Link to='/directory'><FormattedMessage id='footer.directory' defaultMessage='Profiles directory' /></Link>
            </>
          )}
          {DividingCircle}
          <Link to='/privacy-policy' target={multiColumn ? "_blank" : undefined}><FormattedMessage id='footer.privacy_policy' defaultMessage='Privacy policy' /></Link>
        </p>

        <p>
          <strong>Mastodon</strong>:
          {" "}
          <a href='https://joinmastodon.org' target='_blank' rel="noreferrer"><FormattedMessage id='footer.about' defaultMessage='About' /></a>
          {DividingCircle}
          <a href='https://joinmastodon.org/apps' target='_blank' rel="noreferrer"><FormattedMessage id='footer.get_app' defaultMessage='Get the app' /></a>
          {DividingCircle}
          <Link to='/keyboard-shortcuts'><FormattedMessage id='footer.keyboard_shortcuts' defaultMessage='Keyboard shortcuts' /></Link>
          {DividingCircle}
          <a href={source_url} rel='noopener noreferrer' target='_blank'><FormattedMessage id='footer.source_code' defaultMessage='View source code' /></a>
          {DividingCircle}
          <span className='version'>v{version}</span>
        </p>
      </div>
    );
  }

}

export default injectIntl(connect(null, mapDispatchToProps)(LinkFooter));