import React from 'react';
import PropTypes from 'prop-types';
import { defineMessages, injectIntl, intlShape } from 'react-intl';
import Button from '/imports/ui/components/button/component';
import { withModalMounter } from '/imports/ui/components/modal/service';
import DeviceSelector from '/imports/ui/components/audio/device-selector/component';
import AudioTestContainer from '/imports/ui/components/audio/audio-test/container';
import cx from 'classnames';
import styles from './styles';

const propTypes = {
  intl: intlShape.isRequired,
  exitAudio: PropTypes.func.isRequired,
  changeInputDevice: PropTypes.func.isRequired,
  changeOutputDevice: PropTypes.func.isRequired,
  handleBack: PropTypes.func.isRequired,
  handleRetry: PropTypes.func.isRequired,
  isConnecting: PropTypes.bool.isRequired,
  inputDeviceId: PropTypes.string.isRequired,
  outputDeviceId: PropTypes.string.isRequired,
};

const intlMessages = defineMessages({
  backLabel: {
    id: 'app.audio.backLabel',
    description: 'audio settings back button label',
  },
  descriptionLabel: {
    id: 'app.audio.audioSettings.descriptionLabel',
    description: 'audio settings description label',
  },
  micSourceLabel: {
    id: 'app.audio.audioSettings.microphoneSourceLabel',
    description: 'Label for mic source',
  },
  speakerSourceLabel: {
    id: 'app.audio.audioSettings.speakerSourceLabel',
    description: 'Label for speaker source',
  },
  streamVolumeLabel: {
    id: 'app.audio.audioSettings.microphoneStreamLabel',
    description: 'Label for stream volume',
  },
  retryLabel: {
    id: 'app.audio.audioSettings.retryLabel',
    description: 'Retry button label',
  },
});

class AudioSettings extends React.Component {
  constructor(props) {
    super(props);

    const {
      handleBack,
      handleRetry,
      exitAudio,
      changeInputDevice,
      changeOutputDevice,
    } = props;

    this.handleInputChange = this.handleInputChange.bind(this);
    this.handleOutputChange = this.handleOutputChange.bind(this);
    this.handleBack = handleBack;
    this.handleRetry = handleRetry;
    this.exitAudio = exitAudio;
    this.changeInputDevice = changeInputDevice;
    this.changeOutputDevice = changeOutputDevice;

    this.state = {
      inputDeviceId: props.inputDeviceId,
      outputDeviceId: props.outputDeviceId,
    };
  }

  handleInputChange(deviceId) {
    this.changeInputDevice(deviceId);
    this.setState({
      inputDeviceId: deviceId,
    });
  }

  handleOutputChange(deviceId) {
    this.changeOutputDevice(deviceId);
    this.setState({
      outputDeviceId: deviceId,
    });
  }

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

    return (
      <div>
        <div className={styles.form}>
          <div className={styles.row}>
            <div className={styles.audioNote}>
              {intl.formatMessage(intlMessages.descriptionLabel)}
            </div>
          </div>

          <div className={styles.row}>
            <div className={styles.col}>
              <div className={styles.formElement}>
                <label
                  htmlFor="inputDeviceSelector"
                  className={cx(styles.label, styles.labelSmall)}
                >
                  {intl.formatMessage(intlMessages.micSourceLabel)}
                  <DeviceSelector
                    id="inputDeviceSelector"
                    value={this.state.inputDeviceId}
                    className={styles.select}
                    kind="audioinput"
                    onChange={this.handleInputChange}
                  />
                </label>
              </div>
            </div>
            <div className={styles.col}>
              <div className={styles.formElement}>
                <label
                  htmlFor="outputDeviceSelector"
                  className={cx(styles.label, styles.labelSmall)}
                >
                  {intl.formatMessage(intlMessages.speakerSourceLabel)}
                  <DeviceSelector
                    id="outputDeviceSelector"
                    value={this.state.outputDeviceId}
                    className={styles.select}
                    kind="audiooutput"
                    onChange={this.handleOutputChange}
                  />
                </label>
              </div>
            </div>
          </div>

          <div className={styles.row}>
            <div className={cx(styles.col, styles.spacedLeft)}>
              <label
                htmlFor="audioTest"
                className={styles.labelSmall}
              >
                Test your speaker volume
                <AudioTestContainer id="audioTest" />
              </label>
            </div>
          </div>
        </div>


        <div className={styles.enterAudio}>
          <Button
            className={styles.backBtn}
            label={intl.formatMessage(intlMessages.backLabel)}
            size={'md'}
            color={'primary'}
            onClick={this.handleBack}
            disabled={isConnecting}
            ghost
          />
          <Button
            size={'md'}
            color={'primary'}
            label={intl.formatMessage(intlMessages.retryLabel)}
            onClick={this.handleRetry}
          />
        </div>
      </div>
    );
  }

}

AudioSettings.propTypes = propTypes;

export default withModalMounter(injectIntl(AudioSettings));