import React, { useState } from 'react';
import { View, StyleSheet, Text } from 'react-native';
import DateTimePicker from '@react-native-community/datetimepicker';
import Touchable from 'react-native-platform-touchable';
import { BLOCK_CONTEXT } from '@rocket.chat/ui-kit';
import moment from 'moment';

import Button from '../Button';
import { textParser } from './utils';
import { themes } from '../../constants/colors';

import sharedStyles from '../../views/Styles';
import { CustomIcon } from '../../lib/Icons';
import { isAndroid } from '../../utils/deviceInfo';
import ActivityIndicator from '../ActivityIndicator';

const styles = StyleSheet.create({
	input: {
		height: 48,
		paddingLeft: 16,
		borderWidth: StyleSheet.hairlineWidth,
		borderRadius: 2,
		alignItems: 'center',
		flexDirection: 'row'
	},
	inputText: {
		...sharedStyles.textRegular,
		fontSize: 14
	},
	icon: {
		right: 16,
		position: 'absolute'
	},
	loading: {
		padding: 0
	}
});

interface IDatePicker {
	element: {
		initial_date: any;
		placeholder: string;
	};
	language: string;
	action: Function;
	context: number;
	loading: boolean;
	theme: string;
	value: string;
	error: string;
}

export const DatePicker = ({
	element, language, action, context, theme, loading, value, error
}: IDatePicker) => {
	const [show, onShow] = useState(false);
	const { initial_date, placeholder } = element;
	const [currentDate, onChangeDate] = useState(new Date(initial_date || value));

	const onChange = ({ nativeEvent: { timestamp } }: any, date: any) => {
		const newDate = date || new Date(timestamp);
		onChangeDate(newDate);
		action({ value: moment(newDate).format('YYYY-MM-DD') });
		if (isAndroid) {
			onShow(false);
		}
	};

	let button = (
		<Button
			title={textParser([placeholder])}
			onPress={() => onShow(!show)}
			loading={loading}
			theme={theme}
		/>
	);

	if (context === BLOCK_CONTEXT.FORM) {
		button = (
			<Touchable
				onPress={() => onShow(!show)}
				style={{ backgroundColor: themes[theme].backgroundColor }}
				background={Touchable.Ripple(themes[theme].bannerBackground)}
			>
				<View style={[styles.input, { borderColor: error ? themes[theme].dangerColor : themes[theme].separatorColor }]}>
					<Text
						style={[
							styles.inputText,
							{ color: error ? themes[theme].dangerColor : themes[theme].titleText }
						]}
					>
						{currentDate.toLocaleDateString(language)}
					</Text>
					{
						loading
							? <ActivityIndicator style={[styles.loading, styles.icon]} />
							: <CustomIcon name='calendar' size={20} color={error ? themes[theme].dangerColor : themes[theme].auxiliaryText} style={styles.icon} />
					}
				</View>
			</Touchable>
		);
	}

	const content = show ? (
		<DateTimePicker
			mode='date'
			display='default'
			value={currentDate}
			onChange={onChange}
			textColor={themes[theme].titleText}
		/>
	) : null;

	return (
		<>
			{button}
			{content}
		</>
	);
};
