import PropTypes from "prop-types";

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

import {
  followAccount,
  unfollowAccount,
  unblockAccount,
  unmuteAccount,
} from "mastodon/actions/accounts";
import { openModal } from "mastodon/actions/modal";
import { Avatar } from "mastodon/components/avatar";
import Button from "mastodon/components/button";
import { DisplayName } from "mastodon/components/display_name";
import { ShortNumber } from "mastodon/components/short_number";
import { autoPlayGif, me, unfollowModal } from "mastodon/initial_state";
import { makeGetAccount } from "mastodon/selectors";

const messages = defineMessages({
  unfollow: { id: "account.unfollow", defaultMessage: "Unfollow" },
  follow: { id: "account.follow", defaultMessage: "Follow" },
  cancel_follow_request: { id: "account.cancel_follow_request", defaultMessage: "Withdraw follow request" },
  cancelFollowRequestConfirm: { id: "confirmations.cancel_follow_request.confirm", defaultMessage: "Withdraw request" },
  requested: { id: "account.requested", defaultMessage: "Awaiting approval. Click to cancel follow request" },
  unblock: { id: "account.unblock_short", defaultMessage: "Unblock" },
  unmute: { id: "account.unmute_short", defaultMessage: "Unmute" },
  unfollowConfirm: { id: "confirmations.unfollow.confirm", defaultMessage: "Unfollow" },
  edit_profile: { id: "account.edit_profile", defaultMessage: "Edit profile" },
});

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

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

  return mapStateToProps;
};

const mapDispatchToProps = (dispatch, { intl }) => ({
  onFollow(account) {
    if (account.getIn(["relationship", "following"])) {
      if (unfollowModal) {
        dispatch(
          openModal({
            modalType: "CONFIRM",
            modalProps: {
              message: (
                <FormattedMessage
                  id='confirmations.unfollow.message'
                  defaultMessage='Are you sure you want to unfollow {name}?'
                  values={{ name: <strong>@{account.get("acct")}</strong> }}
                />
              ),
              confirm: intl.formatMessage(messages.unfollowConfirm),
              onConfirm: () => dispatch(unfollowAccount(account.get("id"))),
            } }),
        );
      } else {
        dispatch(unfollowAccount(account.get("id")));
      }
    } else if (account.getIn(["relationship", "requested"])) {
      if (unfollowModal) {
        dispatch(openModal({
          modalType: "CONFIRM",
          modalProps: {
            message: <FormattedMessage id='confirmations.cancel_follow_request.message' defaultMessage='Are you sure you want to withdraw your request to follow {name}?' values={{ name: <strong>@{account.get("acct")}</strong> }} />,
            confirm: intl.formatMessage(messages.cancelFollowRequestConfirm),
            onConfirm: () => dispatch(unfollowAccount(account.get("id"))),
          },
        }));
      } else {
        dispatch(unfollowAccount(account.get("id")));
      }
    } else {
      dispatch(followAccount(account.get("id")));
    }
  },

  onBlock(account) {
    if (account.getIn(["relationship", "blocking"])) {
      dispatch(unblockAccount(account.get("id")));
    }
  },

  onMute(account) {
    if (account.getIn(["relationship", "muting"])) {
      dispatch(unmuteAccount(account.get("id")));
    }
  },

});

class AccountCard extends ImmutablePureComponent {

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

  handleMouseEnter = ({ currentTarget }) => {
    if (autoPlayGif) {
      return;
    }

    const emojis = currentTarget.querySelectorAll(".custom-emoji");

    for (var i = 0; i < emojis.length; i++) {
      let emoji = emojis[i];
      emoji.src = emoji.getAttribute("data-original");
    }
  };

  handleMouseLeave = ({ currentTarget }) => {
    if (autoPlayGif) {
      return;
    }

    const emojis = currentTarget.querySelectorAll(".custom-emoji");

    for (var i = 0; i < emojis.length; i++) {
      let emoji = emojis[i];
      emoji.src = emoji.getAttribute("data-static");
    }
  };

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

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

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

  handleEditProfile = () => {
    window.open("/settings/profile", "_blank");
  };

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

    let actionBtn;

    if (me !== account.get("id")) {
      if (!account.get("relationship")) { // Wait until the relationship is loaded
        actionBtn = "";
      } else if (account.getIn(["relationship", "requested"])) {
        actionBtn = <Button  text={intl.formatMessage(messages.cancel_follow_request)} title={intl.formatMessage(messages.requested)} onClick={this.handleFollow} />;
      } else if (account.getIn(["relationship", "muting"])) {
        actionBtn = <Button  text={intl.formatMessage(messages.unmute)} onClick={this.handleMute} />;
      } else if (!account.getIn(["relationship", "blocking"])) {
        actionBtn = <Button disabled={account.getIn(["relationship", "blocked_by"])} className={classNames({ "button--destructive": account.getIn(["relationship", "following"]) })} text={intl.formatMessage(account.getIn(["relationship", "following"]) ? messages.unfollow : messages.follow)} onClick={this.handleFollow} />;
      } else if (account.getIn(["relationship", "blocking"])) {
        actionBtn = <Button  text={intl.formatMessage(messages.unblock)} onClick={this.handleBlock} />;
      }
    } else {
      actionBtn = <Button  text={intl.formatMessage(messages.edit_profile)} onClick={this.handleEditProfile} />;
    }

    return (
      <div className='account-card'>
        <Link to={`/@${account.get("acct")}`} className='account-card__permalink'>
          <div className='account-card__header'>
            <img
              src={
                autoPlayGif ? account.get("header") : account.get("header_static")
              }
              alt=''
            />
          </div>

          <div className='account-card__title'>
            <div className='account-card__title__avatar'><Avatar account={account} size={56} /></div>
            <DisplayName account={account} />
          </div>
        </Link>

        {account.get("note").length > 0 && (
          <div
            className='account-card__bio translate'
            onMouseEnter={this.handleMouseEnter}
            onMouseLeave={this.handleMouseLeave}
            dangerouslySetInnerHTML={{ __html: account.get("note_emojified") }}
          />
        )}

        <div className='account-card__actions'>
          <div className='account-card__counters'>
            <div className='account-card__counters__item'>
              <ShortNumber value={account.get("statuses_count")} />
              <small>
                <FormattedMessage id='account.posts' defaultMessage='Posts' />
              </small>
            </div>

            <div className='account-card__counters__item'>
              <ShortNumber value={account.get("followers_count")} />{" "}
              <small>
                <FormattedMessage
                  id='account.followers'
                  defaultMessage='Followers'
                />
              </small>
            </div>

            <div className='account-card__counters__item'>
              <ShortNumber value={account.get("following_count")} />{" "}
              <small>
                <FormattedMessage
                  id='account.following'
                  defaultMessage='Following'
                />
              </small>
            </div>
          </div>

          <div className='account-card__actions__button'>
            {actionBtn}
          </div>
        </div>
      </div>
    );
  }

}

export default injectIntl(connect(makeMapStateToProps, mapDispatchToProps)(AccountCard));