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import React from 'react'
import {StyleSheet, View} from 'react-native'
import {observer} from 'mobx-react-lite'
import {ScrollView} from '../util'
import {Text} from '../../util/text/Text'
import {usePalette} from 'lib/hooks/usePalette'
import {useWebMediaQueries} from 'lib/hooks/useWebMediaQueries'
import {deviceLocales} from 'platform/detection'
import {LANGUAGES, LANGUAGES_MAP_CODE2} from '../../../../locale/languages'
import {ConfirmLanguagesButton} from './ConfirmLanguagesButton'
import {ToggleButton} from 'view/com/util/forms/ToggleButton'
import {useModalControls} from '#/state/modals'
import {
useLanguagePrefs,
useLanguagePrefsApi,
hasPostLanguage,
} from '#/state/preferences/languages'
export const snapPoints = ['100%']
export const Component = observer(function PostLanguagesSettingsImpl() {
const {closeModal} = useModalControls()
const langPrefs = useLanguagePrefs()
const setLangPrefs = useLanguagePrefsApi()
const pal = usePalette('default')
const {isMobile} = useWebMediaQueries()
const onPressDone = React.useCallback(() => {
closeModal()
}, [closeModal])
const languages = React.useMemo(() => {
const langs = LANGUAGES.filter(
lang =>
!!lang.code2.trim() &&
LANGUAGES_MAP_CODE2[lang.code2].code3 === lang.code3,
)
// sort so that device & selected languages are on top, then alphabetically
langs.sort((a, b) => {
const hasA =
hasPostLanguage(langPrefs.postLanguage, a.code2) ||
deviceLocales.includes(a.code2)
const hasB =
hasPostLanguage(langPrefs.postLanguage, b.code2) ||
deviceLocales.includes(b.code2)
if (hasA === hasB) return a.name.localeCompare(b.name)
if (hasA) return -1
return 1
})
return langs
}, [langPrefs])
const onPress = React.useCallback(
(code2: string) => {
setLangPrefs.togglePostLanguage(code2)
},
[setLangPrefs],
)
return (
<View
testID="postLanguagesModal"
style={[
pal.view,
styles.container,
// @ts-ignore vh is on web only
isMobile
? {
paddingTop: 20,
}
: {
maxHeight: '90vh',
},
]}>
<Text style={[pal.text, styles.title]}>Post Languages</Text>
<Text style={[pal.text, styles.description]}>
Which languages are used in this post?
</Text>
<ScrollView style={styles.scrollContainer}>
{languages.map(lang => {
const isSelected = hasPostLanguage(langPrefs.postLanguage, lang.code2)
// enforce a max of 3 selections for post languages
let isDisabled = false
if (langPrefs.postLanguage.split(',').length >= 3 && !isSelected) {
isDisabled = true
}
return (
<ToggleButton
key={lang.code2}
label={lang.name}
isSelected={isSelected}
onPress={() => (isDisabled ? undefined : onPress(lang.code2))}
style={[
pal.border,
styles.languageToggle,
isDisabled && styles.dimmed,
]}
/>
)
})}
<View
style={{
height: isMobile ? 60 : 0,
}}
/>
</ScrollView>
<ConfirmLanguagesButton onPress={onPressDone} />
</View>
)
})
const styles = StyleSheet.create({
container: {
flex: 1,
},
title: {
textAlign: 'center',
fontWeight: 'bold',
fontSize: 24,
marginBottom: 12,
},
description: {
textAlign: 'center',
paddingHorizontal: 16,
marginBottom: 10,
},
scrollContainer: {
flex: 1,
paddingHorizontal: 10,
},
languageToggle: {
borderTopWidth: 1,
borderRadius: 0,
paddingHorizontal: 6,
paddingVertical: 12,
},
dimmed: {
opacity: 0.5,
},
})
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