import PropTypes from 'prop-types';
import React from 'react';
import Box from '../box/box.jsx';
import Waveform from '../waveform/waveform.jsx';
import Meter from '../meter/meter.jsx';
import AudioTrimmer from '../../containers/audio-trimmer.jsx';
import {defineMessages, injectIntl, intlShape} from 'react-intl';

import styles from './record-modal.css';
import backIcon from './icon--back.svg';
import stopIcon from './icon--stop-playback.svg';
import playIcon from './icon--play.svg';

const messages = defineMessages({
    stopMsg: {
        defaultMessage: 'Stop',
        description: 'Stop/Play button in recording playback',
        id: 'gui.playbackStep.stopMsg'
    },
    playMsg: {
        defaultMessage: 'Play',
        description: 'Stop/Play button in recording playback',
        id: 'gui.playbackStep.playMsg'
    },
    loadingMsg: {
        defaultMessage: 'Loading...',
        description: 'Loading/Save button in recording playback',
        id: 'gui.playbackStep.loadingMsg'
    },
    saveMsg: {
        defaultMessage: 'Save',
        description: 'Loading/Save button in recording playback',
        id: 'gui.playbackStep.saveMsg'
    },
    reRecordMsg: {
        defaultMessage: 'Re-record',
        description: 'Button to re-record sound in recording playback',
        id: 'gui.playbackStep.reRecordMsg'
    }
});

const PlaybackStep = props => (
    <Box>
        <Box className={styles.visualizationContainer}>

            <Box className={styles.meterContainer}>
                <Meter
                    height={172}
                    level={0}
                    width={20}
                />
            </Box>
            <Box className={styles.waveformContainer}>
                <Waveform
                    data={props.levels}
                    height={150}
                    level={0}
                    width={480}
                />
                <AudioTrimmer
                    playhead={props.playhead}
                    trimEnd={props.trimEnd}
                    trimStart={props.trimStart}
                    onSetTrimEnd={props.onSetTrimEnd}
                    onSetTrimStart={props.onSetTrimStart}
                />
            </Box>
        </Box>
        <Box className={styles.mainButtonRow}>
            <button
                className={styles.mainButton}
                onClick={props.playing ? props.onStopPlaying : props.onPlay}
            >
                <img
                    draggable={false}
                    src={props.playing ? stopIcon : playIcon}
                />
                <div className={styles.helpText}>
                    <span className={styles.playingText}>
                        {props.playing ?
                            props.intl.formatMessage(messages.stopMsg) :
                            props.intl.formatMessage(messages.playMsg)
                        }
                    </span>
                </div>
            </button>
        </Box>
        <Box className={styles.buttonRow}>
            <button
                className={styles.rerecordButton}
                onClick={props.onBack}
            >
                <img
                    draggable={false}
                    src={backIcon}
                />
                {props.intl.formatMessage(messages.reRecordMsg)}
            </button>
            <button
                className={styles.okButton}
                disabled={props.encoding}
                onClick={props.onSubmit}
            >
                {props.encoding ?
                    props.intl.formatMessage(messages.loadingMsg) :
                    props.intl.formatMessage(messages.saveMsg)
                }
            </button>
        </Box>
    </Box>
);

PlaybackStep.propTypes = {
    encoding: PropTypes.bool.isRequired,
    intl: intlShape.isRequired,
    levels: PropTypes.arrayOf(PropTypes.number).isRequired,
    onBack: PropTypes.func.isRequired,
    onPlay: PropTypes.func.isRequired,
    onSetTrimEnd: PropTypes.func.isRequired,
    onSetTrimStart: PropTypes.func.isRequired,
    onStopPlaying: PropTypes.func.isRequired,
    onSubmit: PropTypes.func.isRequired,
    playhead: PropTypes.number,
    playing: PropTypes.bool.isRequired,
    trimEnd: PropTypes.number.isRequired,
    trimStart: PropTypes.number.isRequired
};

export default injectIntl(PlaybackStep);