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import React from 'react'
import {FlatList, View} from 'react-native'
import {useFocusEffect} from '@react-navigation/native'
import {observer} from 'mobx-react-lite'
import {
NativeStackScreenProps,
NotificationsTabNavigatorParams,
} from 'lib/routes/types'
import {withAuthRequired} from 'view/com/auth/withAuthRequired'
import {ViewHeader} from '../com/util/ViewHeader'
import {Feed} from '../com/notifications/Feed'
import {InvitedUsers} from '../com/notifications/InvitedUsers'
import {LoadLatestBtn} from 'view/com/util/LoadLatestBtn'
import {useStores} from 'state/index'
import {useOnMainScroll} from 'lib/hooks/useOnMainScroll'
import {s} from 'lib/styles'
import {useAnalytics} from 'lib/analytics'
type Props = NativeStackScreenProps<
NotificationsTabNavigatorParams,
'Notifications'
>
export const NotificationsScreen = withAuthRequired(
observer(({}: Props) => {
const store = useStores()
const onMainScroll = useOnMainScroll(store)
const scrollElRef = React.useRef<FlatList>(null)
const {screen} = useAnalytics()
// event handlers
// =
const onPressTryAgain = React.useCallback(() => {
store.me.notifications.refresh()
}, [store])
const scrollToTop = React.useCallback(() => {
scrollElRef.current?.scrollToOffset({offset: 0})
}, [scrollElRef])
const onPressLoadLatest = React.useCallback(() => {
store.me.notifications.processQueue()
scrollToTop()
}, [store, scrollToTop])
// on-visible setup
// =
useFocusEffect(
React.useCallback(() => {
store.shell.setMinimalShellMode(false)
store.log.debug('NotificationsScreen: Updating feed')
const softResetSub = store.onScreenSoftReset(onPressLoadLatest)
store.me.notifications.syncQueue()
store.me.notifications.update()
screen('Notifications')
return () => {
softResetSub.remove()
store.me.notifications.markAllUnqueuedRead()
}
}, [store, screen, onPressLoadLatest]),
)
return (
<View testID="notificationsScreen" style={s.hContentRegion}>
<ViewHeader title="Notifications" canGoBack={false} />
<InvitedUsers />
<Feed
view={store.me.notifications}
onPressTryAgain={onPressTryAgain}
onScroll={onMainScroll}
scrollElRef={scrollElRef}
/>
{store.me.notifications.hasNewLatest &&
!store.me.notifications.isRefreshing && (
<LoadLatestBtn onPress={onPressLoadLatest} label="notifications" />
)}
</View>
)
}),
)
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