import { connect } from 'react-redux';

import { createToolbarEvent } from '../../../analytics/AnalyticsEvents';
import { sendAnalytics } from '../../../analytics/functions';
import { IReduxState } from '../../../app/types';
import { openDialog } from '../../../base/dialog/actions';
import { translate } from '../../../base/i18n/functions';
import { isSpeakerStatsDisabled } from '../../functions';
import AbstractSpeakerStatsButton from '../AbstractSpeakerStatsButton';

import SpeakerStats from './SpeakerStats';


/**
 * Implementation of a button for opening speaker stats dialog.
 */
class SpeakerStatsButton extends AbstractSpeakerStatsButton {

    /**
     * Handles clicking / pressing the button, and opens the appropriate dialog.
     *
     * @protected
     * @returns {void}
     */
    _handleClick() {
        const { dispatch } = this.props;

        sendAnalytics(createToolbarEvent('speaker.stats'));
        dispatch(openDialog(SpeakerStats));
    }
}

/**
 * Function that maps parts of Redux state tree into component props.
 *
 * @param {Object} state - Redux state.
 * @returns {Object}
 */
const mapStateToProps = (state: IReduxState) => {
    return {
        visible: !isSpeakerStatsDisabled(state)
    };
};

export default translate(connect(mapStateToProps)(SpeakerStatsButton));