import PropTypes from "prop-types";

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

import classNames from "classnames";

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

import { initBoostModal } from "mastodon/actions/boosts";
import { replyCompose } from "mastodon/actions/compose";
import { reblog, favourite, unreblog, unfavourite } from "mastodon/actions/interactions";
import { openModal } from "mastodon/actions/modal";
import { IconButton } from "mastodon/components/icon_button";
import { me, boostModal } from "mastodon/initial_state";
import { makeGetStatus } from "mastodon/selectors";

const messages = defineMessages({
  reply: { id: "status.reply", defaultMessage: "Reply" },
  replyAll: { id: "status.replyAll", defaultMessage: "Reply to thread" },
  reblog: { id: "status.reblog", defaultMessage: "Boost" },
  reblog_private: { id: "status.reblog_private", defaultMessage: "Boost with original visibility" },
  cancel_reblog_private: { id: "status.cancel_reblog_private", defaultMessage: "Unboost" },
  cannot_reblog: { id: "status.cannot_reblog", defaultMessage: "This post cannot be boosted" },
  favourite: { id: "status.favourite", defaultMessage: "Favorite" },
  replyConfirm: { id: "confirmations.reply.confirm", defaultMessage: "Reply" },
  replyMessage: { id: "confirmations.reply.message", defaultMessage: "Replying now will overwrite the message you are currently composing. Are you sure you want to proceed?" },
  open: { id: "status.open", defaultMessage: "Expand this status" },
});

const makeMapStateToProps = () => {
  const getStatus = makeGetStatus();

  const mapStateToProps = (state, { statusId }) => ({
    status: getStatus(state, { id: statusId }),
    askReplyConfirmation: state.getIn(["compose", "text"]).trim().length !== 0,
  });

  return mapStateToProps;
};

class Footer extends ImmutablePureComponent {

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

  static propTypes = {
    statusId: PropTypes.string.isRequired,
    status: ImmutablePropTypes.map.isRequired,
    intl: PropTypes.object.isRequired,
    dispatch: PropTypes.func.isRequired,
    askReplyConfirmation: PropTypes.bool,
    withOpenButton: PropTypes.bool,
    onClose: PropTypes.func,
  };

  _performReply = () => {
    const { dispatch, status, onClose } = this.props;
    const { router } = this.context;

    if (onClose) {
      onClose(true);
    }

    dispatch(replyCompose(status, router.history));
  };

  handleReplyClick = () => {
    const { dispatch, askReplyConfirmation, status, intl } = this.props;
    const { signedIn } = this.context.identity;

    if (signedIn) {
      if (askReplyConfirmation) {
        dispatch(openModal({
          modalType: "CONFIRM",
          modalProps: {
            message: intl.formatMessage(messages.replyMessage),
            confirm: intl.formatMessage(messages.replyConfirm),
            onConfirm: this._performReply,
          },
        }));
      } else {
        this._performReply();
      }
    } else {
      dispatch(openModal({
        modalType: "INTERACTION",
        modalProps: {
          type: "reply",
          accountId: status.getIn(["account", "id"]),
          url: status.get("uri"),
        },
      }));
    }
  };

  handleFavouriteClick = () => {
    const { dispatch, status } = this.props;
    const { signedIn } = this.context.identity;

    if (signedIn) {
      if (status.get("favourited")) {
        dispatch(unfavourite(status));
      } else {
        dispatch(favourite(status));
      }
    } else {
      dispatch(openModal({
        modalType: "INTERACTION",
        modalProps: {
          type: "favourite",
          accountId: status.getIn(["account", "id"]),
          url: status.get("uri"),
        },
      }));
    }
  };

  _performReblog = (status, privacy) => {
    const { dispatch } = this.props;
    dispatch(reblog(status, privacy));
  };

  handleReblogClick = e => {
    const { dispatch, status } = this.props;
    const { signedIn } = this.context.identity;

    if (signedIn) {
      if (status.get("reblogged")) {
        dispatch(unreblog(status));
      } else if ((e && e.shiftKey) || !boostModal) {
        this._performReblog(status);
      } else {
        dispatch(initBoostModal({ status, onReblog: this._performReblog }));
      }
    } else {
      dispatch(openModal({
        modalType: "INTERACTION",
        modalProps: {
          type: "reblog",
          accountId: status.getIn(["account", "id"]),
          url: status.get("uri"),
        },
      }));
    }
  };

  handleOpenClick = e => {
    const { router } = this.context;

    if (e.button !== 0 || !router) {
      return;
    }

    const { status, onClose } = this.props;

    if (onClose) {
      onClose();
    }

    router.history.push(`/@${status.getIn(["account", "acct"])}/${status.get("id")}`);
  };

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

    const publicStatus  = ["public", "unlisted"].includes(status.get("visibility"));
    const reblogPrivate = status.getIn(["account", "id"]) === me && status.get("visibility") === "private";

    let replyIcon, replyTitle;

    if (status.get("in_reply_to_id", null) === null) {
      replyIcon = "reply";
      replyTitle = intl.formatMessage(messages.reply);
    } else {
      replyIcon = "reply-all";
      replyTitle = intl.formatMessage(messages.replyAll);
    }

    let reblogTitle;

    if (status.get("reblogged")) {
      reblogTitle = intl.formatMessage(messages.cancel_reblog_private);
    } else if (publicStatus) {
      reblogTitle = intl.formatMessage(messages.reblog);
    } else if (reblogPrivate) {
      reblogTitle = intl.formatMessage(messages.reblog_private);
    } else {
      reblogTitle = intl.formatMessage(messages.cannot_reblog);
    }

    return (
      <div className='picture-in-picture__footer'>
        <IconButton className='status__action-bar-button' title={replyTitle} icon={status.get("in_reply_to_account_id") === status.getIn(["account", "id"]) ? "reply" : replyIcon} onClick={this.handleReplyClick} counter={status.get("replies_count")} />
        <IconButton className={classNames("status__action-bar-button", { reblogPrivate })} disabled={!publicStatus && !reblogPrivate}  active={status.get("reblogged")} title={reblogTitle} icon='retweet' onClick={this.handleReblogClick} counter={status.get("reblogs_count")} />
        <IconButton className='status__action-bar-button star-icon' animate active={status.get("favourited")} title={intl.formatMessage(messages.favourite)} icon='star' onClick={this.handleFavouriteClick} counter={status.get("favourites_count")} />
        {withOpenButton && <IconButton className='status__action-bar-button' title={intl.formatMessage(messages.open)} icon='external-link' onClick={this.handleOpenClick} href={`/@${status.getIn(["account", "acct"])}/${status.get("id")}`} />}
      </div>
    );
  }

}

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