/*
 * Copyright (c) 2019 - 2020 Arnaud Vergnet.
 *
 * This file is part of Campus INSAT.
 *
 * Campus INSAT is free software: you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Campus INSAT is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Campus INSAT.  If not, see <https://www.gnu.org/licenses/>.
 */

import * as React from 'react';
import {Button, Card, Text, TouchableRipple} from 'react-native-paper';
import {Image, View} from 'react-native';
import Autolink from 'react-native-autolink';
import i18n from 'i18n-js';
import type {FeedItemType} from '../../screens/Home/HomeScreen';
import NewsSourcesConstants, {
  AvailablePages,
} from '../../constants/NewsSourcesConstants';
import type {NewsSourceType} from '../../constants/NewsSourcesConstants';
import ImageGalleryButton from '../Media/ImageGalleryButton';
import {useNavigation} from '@react-navigation/native';

type PropsType = {
  item: FeedItemType;
  height: number;
};

/**
 * Converts a dateString using Unix Timestamp to a formatted date
 *
 * @param dateString {string} The Unix Timestamp representation of a date
 * @return {string} The formatted output date
 */
function getFormattedDate(dateString: number): string {
  const date = new Date(dateString * 1000);
  return date.toLocaleString();
}

/**
 * Component used to display a feed item
 */
function FeedItem(props: PropsType) {
  const navigation = useNavigation();
  const onPress = () => {
    navigation.navigate('feed-information', {
      data: item,
      date: getFormattedDate(props.item.time),
    });
  };

  const {item, height} = props;
  const image = item.image !== '' && item.image != null ? item.image : null;
  const pageSource: NewsSourceType =
    NewsSourcesConstants[item.page_id as AvailablePages];
  const cardMargin = 10;
  const cardHeight = height - 2 * cardMargin;
  const imageSize = 250;
  const titleHeight = 80;
  const actionsHeight = 60;
  const textHeight =
    image != null
      ? cardHeight - titleHeight - actionsHeight - imageSize
      : cardHeight - titleHeight - actionsHeight;
  return (
    <Card
      style={{
        margin: cardMargin,
        height: cardHeight,
      }}>
      <TouchableRipple style={{flex: 1}} onPress={onPress}>
        <View>
          <Card.Title
            title={pageSource.name}
            subtitle={getFormattedDate(item.time)}
            left={() => (
              <Image
                source={pageSource.icon}
                style={{
                  width: 48,
                  height: 48,
                }}
              />
            )}
            style={{height: titleHeight}}
          />
          {image != null ? (
            <ImageGalleryButton
              images={[{url: image}]}
              style={{
                width: imageSize,
                height: imageSize,
                marginLeft: 'auto',
                marginRight: 'auto',
              }}
            />
          ) : null}
          <Card.Content>
            {item.message !== undefined ? (
              <Autolink<typeof Text>
                text={item.message}
                hashtag="facebook"
                component={Text}
                style={{height: textHeight}}
              />
            ) : null}
          </Card.Content>
          <Card.Actions style={{height: actionsHeight}}>
            <Button onPress={onPress} icon="plus" style={{marginLeft: 'auto'}}>
              {i18n.t('screens.home.dashboard.seeMore')}
            </Button>
          </Card.Actions>
        </View>
      </TouchableRipple>
    </Card>
  );
}

export default React.memo(FeedItem, () => true);