// Copyright 2020-2021 Amazon.com, Inc. or its affiliates. All Rights Reserved.
// SPDX-License-Identifier: MIT-0

import React from 'react';
import { useMediaStreamMetrics } from 'amazon-chime-sdk-component-library-react';

import { StyledMetrics } from './Styled';
import { useNavigation } from '../../providers/NavigationProvider';

function formatMetric(metric: number | null) {
  return metric ? `${metric} Kbps` : null;
}

const MeetingMetrics = () => {
  const { showMetrics } = useNavigation();

  return showMetrics ? <BandwidthMetrics /> : null;
};

const BandwidthMetrics = () => {
  const {
    availableIncomingBandwidth,
    availableOutgoingBandwidth
  } = useMediaStreamMetrics();

  return (
    <StyledMetrics>
      <p className="metric title">Bandwidth</p>
      <p className="metric">
        Incoming: {formatMetric(availableIncomingBandwidth) || 'unavailable'}
      </p>
      <p className="metric">
        Outgoing: {formatMetric(availableOutgoingBandwidth) || 'unavailable'}
      </p>
    </StyledMetrics>
  );
};

export default MeetingMetrics;