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import React, {useCallback, useMemo} from 'react'
import {
StyleSheet,
View,
ActivityIndicator,
Pressable,
TouchableOpacity,
} from 'react-native'
import {useFocusEffect} from '@react-navigation/native'
import {NativeStackScreenProps} from '@react-navigation/native-stack'
import {useAnalytics} from 'lib/analytics/analytics'
import {usePalette} from 'lib/hooks/usePalette'
import {CommonNavigatorParams} from 'lib/routes/types'
import {observer} from 'mobx-react-lite'
import {useStores} from 'state/index'
import {SavedFeedsModel} from 'state/models/ui/saved-feeds'
import {useWebMediaQueries} from 'lib/hooks/useWebMediaQueries'
import {withAuthRequired} from 'view/com/auth/withAuthRequired'
import {ViewHeader} from 'view/com/util/ViewHeader'
import {ScrollView, CenteredView} from 'view/com/util/Views'
import {Text} from 'view/com/util/text/Text'
import {s, colors} from 'lib/styles'
import {FeedSourceCard} from 'view/com/feeds/FeedSourceCard'
import {FeedSourceModel} from 'state/models/content/feed-source'
import {FontAwesomeIcon} from '@fortawesome/react-native-fontawesome'
import * as Toast from 'view/com/util/Toast'
import {Haptics} from 'lib/haptics'
import {TextLink} from 'view/com/util/Link'
const HITSLOP_TOP = {
top: 20,
left: 20,
bottom: 5,
right: 20,
}
const HITSLOP_BOTTOM = {
top: 5,
left: 20,
bottom: 20,
right: 20,
}
type Props = NativeStackScreenProps<CommonNavigatorParams, 'SavedFeeds'>
export const SavedFeeds = withAuthRequired(
observer(function SavedFeedsImpl({}: Props) {
const pal = usePalette('default')
const store = useStores()
const {isMobile, isTabletOrDesktop} = useWebMediaQueries()
const {screen} = useAnalytics()
const savedFeeds = useMemo(() => {
const model = new SavedFeedsModel(store)
model.refresh()
return model
}, [store])
useFocusEffect(
useCallback(() => {
screen('SavedFeeds')
store.shell.setMinimalShellMode(false)
savedFeeds.refresh()
}, [screen, store, savedFeeds]),
)
return (
<CenteredView
style={[
s.hContentRegion,
pal.border,
isTabletOrDesktop && styles.desktopContainer,
]}>
<ViewHeader title="Edit My Feeds" showOnDesktop showBorder />
<ScrollView style={s.flex1}>
<View style={[pal.text, pal.border, styles.title]}>
<Text type="title" style={pal.text}>
Pinned Feeds
</Text>
</View>
{savedFeeds.hasLoaded ? (
!savedFeeds.pinned.length ? (
<View
style={[
pal.border,
isMobile && s.flex1,
pal.viewLight,
styles.empty,
]}>
<Text type="lg" style={[pal.text]}>
You don't have any pinned feeds.
</Text>
</View>
) : (
savedFeeds.pinned.map(feed => (
<ListItem
key={feed._reactKey}
savedFeeds={savedFeeds}
item={feed}
/>
))
)
) : (
<ActivityIndicator style={{marginTop: 20}} />
)}
<View style={[pal.text, pal.border, styles.title]}>
<Text type="title" style={pal.text}>
Saved Feeds
</Text>
</View>
{savedFeeds.hasLoaded ? (
!savedFeeds.unpinned.length ? (
<View
style={[
pal.border,
isMobile && s.flex1,
pal.viewLight,
styles.empty,
]}>
<Text type="lg" style={[pal.text]}>
You don't have any saved feeds.
</Text>
</View>
) : (
savedFeeds.unpinned.map(feed => (
<ListItem
key={feed._reactKey}
savedFeeds={savedFeeds}
item={feed}
/>
))
)
) : (
<ActivityIndicator style={{marginTop: 20}} />
)}
<View style={styles.footerText}>
<Text type="sm" style={pal.textLight}>
Feeds are custom algorithms that users build with a little coding
expertise.{' '}
<TextLink
type="sm"
style={pal.link}
href="https://github.com/bluesky-social/feed-generator"
text="See this guide"
/>{' '}
for more information.
</Text>
</View>
<View style={{height: 100}} />
</ScrollView>
</CenteredView>
)
}),
)
const ListItem = observer(function ListItemImpl({
savedFeeds,
item,
}: {
savedFeeds: SavedFeedsModel
item: FeedSourceModel
}) {
const pal = usePalette('default')
const store = useStores()
const isPinned = item.isPinned
const onTogglePinned = useCallback(() => {
Haptics.default()
item.togglePin().catch(e => {
Toast.show('There was an issue contacting the server')
store.log.error('Failed to toggle pinned feed', {e})
})
}, [item, store])
const onPressUp = useCallback(
() =>
savedFeeds.movePinnedFeed(item, 'up').catch(e => {
Toast.show('There was an issue contacting the server')
store.log.error('Failed to set pinned feed order', {e})
}),
[store, savedFeeds, item],
)
const onPressDown = useCallback(
() =>
savedFeeds.movePinnedFeed(item, 'down').catch(e => {
Toast.show('There was an issue contacting the server')
store.log.error('Failed to set pinned feed order', {e})
}),
[store, savedFeeds, item],
)
return (
<Pressable
accessibilityRole="button"
style={[styles.itemContainer, pal.border]}>
{isPinned ? (
<View style={styles.webArrowButtonsContainer}>
<TouchableOpacity
accessibilityRole="button"
onPress={onPressUp}
hitSlop={HITSLOP_TOP}>
<FontAwesomeIcon
icon="arrow-up"
size={12}
style={[pal.text, styles.webArrowUpButton]}
/>
</TouchableOpacity>
<TouchableOpacity
accessibilityRole="button"
onPress={onPressDown}
hitSlop={HITSLOP_BOTTOM}>
<FontAwesomeIcon icon="arrow-down" size={12} style={[pal.text]} />
</TouchableOpacity>
</View>
) : null}
<FeedSourceCard
key={item.uri}
item={item}
showSaveBtn
style={styles.noBorder}
/>
<TouchableOpacity
accessibilityRole="button"
hitSlop={10}
onPress={onTogglePinned}>
<FontAwesomeIcon
icon="thumb-tack"
size={20}
color={isPinned ? colors.blue3 : pal.colors.icon}
/>
</TouchableOpacity>
</Pressable>
)
})
const styles = StyleSheet.create({
desktopContainer: {
borderLeftWidth: 1,
borderRightWidth: 1,
// @ts-ignore only rendered on web
minHeight: '100vh',
},
empty: {
paddingHorizontal: 20,
paddingVertical: 20,
borderRadius: 8,
marginHorizontal: 10,
marginTop: 10,
},
title: {
paddingHorizontal: 14,
paddingTop: 20,
paddingBottom: 10,
borderBottomWidth: 1,
},
itemContainer: {
flexDirection: 'row',
alignItems: 'center',
borderBottomWidth: 1,
paddingRight: 16,
},
webArrowButtonsContainer: {
paddingLeft: 16,
flexDirection: 'column',
justifyContent: 'space-around',
},
webArrowUpButton: {
marginBottom: 10,
},
noBorder: {
borderTopWidth: 0,
},
footerText: {
paddingHorizontal: 26,
paddingTop: 22,
paddingBottom: 100,
},
})
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