import PropTypes from "prop-types";

import { FormattedMessage } from "react-intl";

import { connect } from "react-redux";

import { me } from "flavours/glitch/initial_state";
import { privacyPolicyLink } from "flavours/glitch/utils/backend_links";
import { HASHTAG_PATTERN_REGEX } from "flavours/glitch/utils/hashtags";

import Warning from "../components/warning";


const mapStateToProps = state => ({
  needsLockWarning: state.getIn(["compose", "privacy"]) === "private" && !state.getIn(["accounts", me, "locked"]),
  hashtagWarning: state.getIn(["compose", "privacy"]) !== "public" && HASHTAG_PATTERN_REGEX.test(state.getIn(["compose", "text"])),
  directMessageWarning: state.getIn(["compose", "privacy"]) === "direct",
});

const WarningWrapper = ({ needsLockWarning, hashtagWarning, directMessageWarning }) => {
  if (needsLockWarning) {
    return <Warning message={<FormattedMessage id='compose_form.lock_disclaimer' defaultMessage='Your account is not {locked}. Anyone can follow you to view your follower-only posts.' values={{ locked: <span><FormattedMessage id='compose_form.lock_disclaimer.lock' defaultMessage='locked' /></span> }} />} />;
  }

  if (hashtagWarning) {
    return <Warning message={<FormattedMessage id='compose_form.hashtag_warning' defaultMessage="This post won't be listed under any hashtag as it is unlisted. Only public posts can be searched by hashtag." />} />;
  }

  if (directMessageWarning) {
    const message = (
      <span>
        <FormattedMessage id='compose_form.encryption_warning' defaultMessage='Posts on Mastodon are not end-to-end encrypted. Do not share any dangerous information over Mastodon.' /> {!!privacyPolicyLink && <a href={privacyPolicyLink} target='_blank' rel="noreferrer"><FormattedMessage id='compose_form.direct_message_warning_learn_more' defaultMessage='Learn more' /></a>}
      </span>
    );

    return <Warning message={message} />;
  }

  return null;
};

WarningWrapper.propTypes = {
  needsLockWarning: PropTypes.bool,
  hashtagWarning: PropTypes.bool,
  directMessageWarning: PropTypes.bool,
};

export default connect(mapStateToProps)(WarningWrapper);