import React from 'react';
import { connect } from 'react-redux';
import PropTypes from 'prop-types';
import { TextInput, View, Text, Switch, TouchableOpacity, ScrollView } from 'react-native';
import { createChannelRequest } from '../actions/createChannel';
import styles from './Styles';
import KeyboardView from '../presentation/KeyboardView';

@connect(state => ({
	result: state.createChannel
}), dispatch => ({
	createChannel: data => dispatch(createChannelRequest(data))
}))

export default class CreateChannelView extends React.Component {
	static navigationOptions = () => ({
		title: 'Create a New Channel'
	});
	static propTypes = {
		createChannel: PropTypes.func.isRequired,
		result: PropTypes.object.isRequired
	}

	constructor(props) {
		super(props);
		this.default = {
			channelName: '',
			type: true
		};
		this.state = this.default;
	}
	submit() {
		if (!this.state.channelName.trim() || this.props.result.isFetching) {
			return;
		}
		const { channelName, users = [], type = true } = this.state;
		this.props.createChannel({ name: channelName, users, type });
	}

	renderChannelNameError() {
		if (!this.props.result.failure || this.props.result.error.error !== 'error-duplicate-channel-name') {
			return null;
		}

		return (
			<Text style={[styles.label_white, styles.label_error]}>
				{this.props.result.error.reason}
			</Text>
		);
	}

	renderTypeSwitch() {
		return (
			<View style={[styles.view_white, styles.switchContainer]}>
				<Switch
					style={[{ flexGrow: 0, flexShrink: 1 }]}
					value={this.state.type}
					onValueChange={type => this.setState({ type })}
				/>
				<Text style={[styles.label_white, styles.switchLabel]}>
					{this.state.type ? 'Public' : 'Private'}
				</Text>
			</View>
		);
	}

	render() {
		return (
			<KeyboardView style={[styles.view_white, { flex: 1, justifyContent: 'flex-start' }]}>
				<ScrollView>
					<View style={styles.formContainer}>
						<Text style={styles.label_white}>Channel Name</Text>
						<TextInput
							value={this.state.channelName}
							style={styles.input_white}
							onChangeText={channelName => this.setState({ channelName })}
							autoCorrect={false}
							returnKeyType='done'
							autoCapitalize='none'
							autoFocus
							// onSubmitEditing={() => this.textInput.focus()}
							placeholder='Type the channel name here'
						/>
						{this.renderChannelNameError()}
						{this.renderTypeSwitch()}
						<Text
							style={[
								styles.label_white,
								{
									color: '#9ea2a8',
									flexGrow: 1,
									paddingHorizontal: 0,
									marginBottom: 20
								}]}
						>
							{this.state.type ?
								'Everyone can access this channel' :
								'Just invited people can access this channel'}
						</Text>
						<TouchableOpacity
							onPress={() => this.submit()}
							style={[
								styles.buttonContainer_white,
								(this.state.channelName.length === 0 || this.props.result.isFetching) ?
									styles.disabledButton : styles.enabledButton
							]}
						>
							<Text style={styles.button_white}>
								{this.props.result.isFetching ? 'LOADING' : 'CREATE'}!
							</Text>
						</TouchableOpacity>
					</View>
				</ScrollView>
			</KeyboardView>
		);
	}
}