import React from 'react';
import { StyleSheet } from 'react-native';
import PropTypes from 'prop-types';
import JitsiMeet, { JitsiMeetView as RNJitsiMeetView } from 'react-native-jitsi-meet';
import BackgroundTimer from 'react-native-background-timer';
import { connect } from 'react-redux';

import RocketChat from '../lib/rocketchat';
import { getUserSelector } from '../selectors/login';
import ActivityIndicator from '../containers/ActivityIndicator';
import { logEvent, events } from '../utils/log';
import { isAndroid, isIOS } from '../utils/deviceInfo';
import { withTheme } from '../theme';

const formatUrl = (url, baseUrl, uriSize, avatarAuthURLFragment) => (
	`${ baseUrl }/avatar/${ url }?format=png&width=${ uriSize }&height=${ uriSize }${ avatarAuthURLFragment }`
);

class JitsiMeetView extends React.Component {
	static propTypes = {
		navigation: PropTypes.object,
		route: PropTypes.object,
		baseUrl: PropTypes.string,
		theme: PropTypes.string,
		user: PropTypes.shape({
			id: PropTypes.string,
			username: PropTypes.string,
			name: PropTypes.string,
			token: PropTypes.string
		})
	}

	constructor(props) {
		super(props);
		this.rid = props.route.params?.rid;
		this.url = props.route.params?.url;
		this.jitsiTimeout = null;

		const { user, baseUrl } = props;
		const {
			name: displayName, id: userId, token, username
		} = user;
		const avatarAuthURLFragment = `&rc_token=${ token }&rc_uid=${ userId }`;
		const avatar = formatUrl(username, baseUrl, 100, avatarAuthURLFragment);
		this.state = {
			userInfo: {
				displayName,
				avatar
			},
			loading: true
		};
	}

	componentDidMount() {
		const { route } = this.props;
		const { userInfo } = this.state;

		if (isIOS) {
			setTimeout(() => {
				const onlyAudio = route.params?.onlyAudio ?? false;
				if (onlyAudio) {
					JitsiMeet.audioCall(this.url, userInfo);
				} else {
					JitsiMeet.call(this.url, userInfo);
				}
			}, 1000);
		}
	}

	componentWillUnmount() {
		logEvent(events.JM_CONFERENCE_TERMINATE);
		if (this.jitsiTimeout) {
			BackgroundTimer.clearInterval(this.jitsiTimeout);
			this.jitsiTimeout = null;
			BackgroundTimer.stopBackgroundTimer();
		}
		JitsiMeet.endCall();
	}

	onConferenceWillJoin = () => {
		this.setState({ loading: false });
	}

	// Jitsi Update Timeout needs to be called every 10 seconds to make sure
	// call is not ended and is available to web users.
	onConferenceJoined = () => {
		logEvent(events.JM_CONFERENCE_JOIN);
		RocketChat.updateJitsiTimeout(this.rid).catch(e => console.log(e));
		if (this.jitsiTimeout) {
			BackgroundTimer.clearInterval(this.jitsiTimeout);
			BackgroundTimer.stopBackgroundTimer();
			this.jitsiTimeout = null;
		}
		this.jitsiTimeout = BackgroundTimer.setInterval(() => {
			RocketChat.updateJitsiTimeout(this.rid).catch(e => console.log(e));
		}, 10000);
	}

	onConferenceTerminated = () => {
		logEvent(events.JM_CONFERENCE_TERMINATE);
		const { navigation } = this.props;
		navigation.pop();
	}

	render() {
		const { userInfo, loading } = this.state;
		const { route, theme } = this.props;
		const onlyAudio = route.params?.onlyAudio ?? false;
		const options = isAndroid ? { url: this.url, userInfo, audioOnly: onlyAudio } : null;
		return (
			<>
				<RNJitsiMeetView
					onConferenceWillJoin={this.onConferenceWillJoin}
					onConferenceTerminated={this.onConferenceTerminated}
					onConferenceJoined={this.onConferenceJoined}
					style={StyleSheet.absoluteFill}
					options={options}
				/>
				{loading ? <ActivityIndicator theme={theme} /> : null}
			</>
		);
	}
}

const mapStateToProps = state => ({
	user: getUserSelector(state),
	baseUrl: state.server.server
});

export default connect(mapStateToProps)(withTheme(JitsiMeetView));