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

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

import { IconButton } from "../../../components/icon_button";

const messages = defineMessages({
  add_poll: { id: "poll_button.add_poll", defaultMessage: "Add a poll" },
  remove_poll: { id: "poll_button.remove_poll", defaultMessage: "Remove poll" },
});

const iconStyle = {
  height: null,
  lineHeight: "27px",
};

class PollButton extends PureComponent {

  static propTypes = {
    disabled: PropTypes.bool,
    unavailable: PropTypes.bool,
    active: PropTypes.bool,
    onClick: PropTypes.func.isRequired,
    intl: PropTypes.object.isRequired,
  };

  handleClick = () => {
    this.props.onClick();
  };

  render () {
    const { intl, active, unavailable, disabled } = this.props;

    if (unavailable) {
      return null;
    }

    return (
      <div className='compose-form__poll-button'>
        <IconButton
          icon='tasks'
          title={intl.formatMessage(active ? messages.remove_poll : messages.add_poll)}
          disabled={disabled}
          onClick={this.handleClick}
          className={`compose-form__poll-button-icon ${active ? "active" : ""}`}
          size={18}
          inverted
          style={iconStyle}
        />
      </div>
    );
  }

}

export default injectIntl(PollButton);