// @flow

import React, { Component } from 'react';

import { Watermarks } from '../../base/react';
import { connect } from '../../base/redux';
import { Captions } from '../../subtitles/';

declare var interfaceConfig: Object;

type Props = {

    /**
     * Used to determine the value of the autoplay attribute of the underlying
     * video element.
     */
    _noAutoPlayVideo: boolean
}

/**
 * Implements a React {@link Component} which represents the large video (a.k.a.
 * the conference participant who is on the local stage) on Web/React.
 *
 * @extends Component
 */
class LargeVideo extends Component<Props> {
    /**
     * Implements React's {@link Component#render()}.
     *
     * @inheritdoc
     * @returns {React$Element}
     */
    render() {
        return (
            <div
                className = 'videocontainer'
                id = 'largeVideoContainer'>
                <div id = 'sharedVideo'>
                    <div id = 'sharedVideoIFrame' />
                </div>
                <div id = 'etherpad' />

                <Watermarks />

                <div id = 'dominantSpeaker'>
                    <div className = 'dynamic-shadow' />
                    <div id = 'dominantSpeakerAvatarContainer' />
                </div>
                <div id = 'remotePresenceMessage' />
                <span id = 'remoteConnectionMessage' />
                <div id = 'largeVideoElementsContainer'>
                    <div id = 'largeVideoBackgroundContainer' />

                    {/*
                      * FIXME: the architecture of elements related to the large
                      * video and the naming. The background is not part of
                      * largeVideoWrapper because we are controlling the size of
                      * the video through largeVideoWrapper. That's why we need
                      * another container for the background and the
                      * largeVideoWrapper in order to hide/show them.
                      */}
                    <div id = 'largeVideoWrapper'>
                        <video
                            autoPlay = { !this.props._noAutoPlayVideo }
                            id = 'largeVideo'
                            muted = { true }
                            playsInline = { true } /* for Safari on iOS to work */ />
                    </div>
                </div>
                { interfaceConfig.DISABLE_TRANSCRIPTION_SUBTITLES
                    || <Captions /> }
            </div>
        );
    }
}


/**
 * Maps (parts of) the Redux state to the associated LargeVideo props.
 *
 * @param {Object} state - The Redux state.
 * @private
 * @returns {{
 *     _noAutoPlayVideo: boolean
 * }}
 */
function _mapStateToProps(state) {
    const testingConfig = state['features/base/config'].testing;

    return {
        _noAutoPlayVideo: testingConfig?.noAutoPlayVideo
    };
}


export default connect(_mapStateToProps)(LargeVideo);