import PropTypes from "prop-types";

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

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

import ImmutablePropTypes from "react-immutable-proptypes";
import ImmutablePureComponent from "react-immutable-pure-component";

import { EmptyAccount } from "mastodon/components/empty_account";
import { ShortNumber } from "mastodon/components/short_number";
import { VerifiedBadge } from "mastodon/components/verified_badge";

import { me } from "../initial_state";

import { Avatar } from "./avatar";
import Button from "./button";
import { FollowersCounter } from "./counters";
import { DisplayName } from "./display_name";
import { IconButton } from "./icon_button";
import { RelativeTimestamp } from "./relative_timestamp";

const messages = defineMessages({
  follow: { id: "account.follow", defaultMessage: "Follow" },
  unfollow: { id: "account.unfollow", defaultMessage: "Unfollow" },
  cancel_follow_request: { id: "account.cancel_follow_request", defaultMessage: "Withdraw follow request" },
  unblock: { id: "account.unblock_short", defaultMessage: "Unblock" },
  unmute: { id: "account.unmute_short", defaultMessage: "Unmute" },
  mute_notifications: { id: "account.mute_notifications_short", defaultMessage: "Mute notifications" },
  unmute_notifications: { id: "account.unmute_notifications_short", defaultMessage: "Unmute notifications" },
  mute: { id: "account.mute_short", defaultMessage: "Mute" },
  block: { id: "account.block_short", defaultMessage: "Block" },
});

class Account extends ImmutablePureComponent {

  static propTypes = {
    size: PropTypes.number,
    account: ImmutablePropTypes.map,
    onFollow: PropTypes.func.isRequired,
    onBlock: PropTypes.func.isRequired,
    onMute: PropTypes.func.isRequired,
    onMuteNotifications: PropTypes.func.isRequired,
    intl: PropTypes.object.isRequired,
    hidden: PropTypes.bool,
    minimal: PropTypes.bool,
    actionIcon: PropTypes.string,
    actionTitle: PropTypes.string,
    defaultAction: PropTypes.string,
    onActionClick: PropTypes.func,
    withBio: PropTypes.bool,
  };

  static defaultProps = {
    size: 46,
  };

  handleFollow = () => {
    this.props.onFollow(this.props.account);
  };

  handleBlock = () => {
    this.props.onBlock(this.props.account);
  };

  handleMute = () => {
    this.props.onMute(this.props.account);
  };

  handleMuteNotifications = () => {
    this.props.onMuteNotifications(this.props.account, true);
  };

  handleUnmuteNotifications = () => {
    this.props.onMuteNotifications(this.props.account, false);
  };

  handleAction = () => {
    this.props.onActionClick(this.props.account);
  };

  render () {
    const { account, intl, hidden, withBio, onActionClick, actionIcon, actionTitle, defaultAction, size, minimal } = this.props;

    if (!account) {
      return <EmptyAccount size={size} minimal={minimal} />;
    }

    if (hidden) {
      return (
        <>
          {account.get("display_name")}
          {account.get("username")}
        </>
      );
    }

    let buttons;

    if (actionIcon && onActionClick) {
      buttons = <IconButton icon={actionIcon} title={actionTitle} onClick={this.handleAction} />;
    } else if (!actionIcon && account.get("id") !== me && account.get("relationship", null) !== null) {
      const following = account.getIn(["relationship", "following"]);
      const requested = account.getIn(["relationship", "requested"]);
      const blocking  = account.getIn(["relationship", "blocking"]);
      const muting  = account.getIn(["relationship", "muting"]);

      if (requested) {
        buttons = <Button text={intl.formatMessage(messages.cancel_follow_request)} onClick={this.handleFollow} />;
      } else if (blocking) {
        buttons = <Button text={intl.formatMessage(messages.unblock)} onClick={this.handleBlock} />;
      } else if (muting) {
        let hidingNotificationsButton;

        if (account.getIn(["relationship", "muting_notifications"])) {
          hidingNotificationsButton = <Button text={intl.formatMessage(messages.unmute_notifications)} onClick={this.handleUnmuteNotifications} />;
        } else {
          hidingNotificationsButton = <Button text={intl.formatMessage(messages.mute_notifications)} onClick={this.handleMuteNotifications} />;
        }

        buttons = (
          <>
            <Button text={intl.formatMessage(messages.unmute)} onClick={this.handleMute} />
            {hidingNotificationsButton}
          </>
        );
      } else if (defaultAction === "mute") {
        buttons = <Button title={intl.formatMessage(messages.mute)} onClick={this.handleMute} />;
      } else if (defaultAction === "block") {
        buttons = <Button text={intl.formatMessage(messages.block)} onClick={this.handleBlock} />;
      } else if (!account.get("moved") || following) {
        buttons = <Button text={intl.formatMessage(following ? messages.unfollow : messages.follow)} onClick={this.handleFollow} />;
      }
    }

    let muteTimeRemaining;

    if (account.get("mute_expires_at")) {
      muteTimeRemaining = <>· <RelativeTimestamp timestamp={account.get("mute_expires_at")} futureDate /></>;
    }

    let verification;

    const firstVerifiedField = account.get("fields").find(item => !!item.get("verified_at"));

    if (firstVerifiedField) {
      verification = <VerifiedBadge link={firstVerifiedField.get("value")} />;
    }

    return (
      <div className={classNames("account", { "account--minimal": minimal })}>
        <div className='account__wrapper'>
          <Link key={account.get("id")} className='account__display-name' title={account.get("acct")} to={`/@${account.get("acct")}`}>
            <div className='account__avatar-wrapper'>
              <Avatar account={account} size={size} />
            </div>

            <div className='account__contents'>
              <DisplayName account={account} />
              {!minimal && (
                <div className='account__details'>
                  <ShortNumber value={account.get("followers_count")} renderer={FollowersCounter} /> {verification} {muteTimeRemaining}
                </div>
              )}
            </div>
          </Link>

          {!minimal && (
            <div className='account__relationship'>
              {buttons}
            </div>
          )}
        </div>

        {withBio && (account.get("note").length > 0 ? (
          <div
            className='account__note translate'
            dangerouslySetInnerHTML={{ __html: account.get("note_emojified") }}
          />
        ) : (
          <div className='account__note account__note--missing'><FormattedMessage id='account.no_bio' defaultMessage='No description provided.' /></div>
        ))}
      </div>
    );
  }

}

export default injectIntl(Account);