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import React from 'react'
import {View} from 'react-native'
import {msg, Trans} from '@lingui/macro'
import {useLingui} from '@lingui/react'
import {useFocusEffect} from '@react-navigation/native'
import {
createFullHandle,
IsValidHandle,
validateHandle,
} from '#/lib/strings/handles'
import {ScreenTransition} from '#/screens/Login/ScreenTransition'
import {useSignupContext} from '#/screens/Signup/state'
import {atoms as a, useTheme} from '#/alf'
import * as TextField from '#/components/forms/TextField'
import {At_Stroke2_Corner0_Rounded as At} from '#/components/icons/At'
import {Check_Stroke2_Corner0_Rounded as Check} from '#/components/icons/Check'
import {TimesLarge_Stroke2_Corner0_Rounded as Times} from '#/components/icons/Times'
import {Text} from '#/components/Typography'
export function StepHandle() {
const {_} = useLingui()
const t = useTheme()
const {state, dispatch} = useSignupContext()
const [validCheck, setValidCheck] = React.useState<IsValidHandle>({
handleChars: false,
hyphenStartOrEnd: false,
frontLength: false,
totalLength: true,
overall: false,
})
useFocusEffect(
React.useCallback(() => {
console.log('run')
setValidCheck(validateHandle(state.handle, state.userDomain))
}, [state.handle, state.userDomain]),
)
const onHandleChange = React.useCallback(
(value: string) => {
if (state.error) {
dispatch({type: 'setError', value: ''})
}
dispatch({
type: 'setHandle',
value,
})
},
[dispatch, state.error],
)
return (
<ScreenTransition>
<View style={[a.gap_lg]}>
<View>
<TextField.Root>
<TextField.Icon icon={At} />
<TextField.Input
onChangeText={onHandleChange}
label={_(msg`Input your user handle`)}
defaultValue={state.handle}
autoCapitalize="none"
autoCorrect={false}
autoFocus
autoComplete="off"
/>
</TextField.Root>
</View>
<Text style={[a.text_md]}>
<Trans>Your full handle will be</Trans>{' '}
<Text style={[a.text_md, a.font_bold]}>
@{createFullHandle(state.handle, state.userDomain)}
</Text>
</Text>
<View
style={[
a.w_full,
a.rounded_sm,
a.border,
a.p_md,
a.gap_sm,
t.atoms.border_contrast_low,
]}>
{state.error ? (
<View style={[a.w_full, a.flex_row, a.align_center, a.gap_sm]}>
<IsValidIcon valid={false} />
<Text style={[a.text_md, a.flex_1]}>{state.error}</Text>
</View>
) : undefined}
{validCheck.hyphenStartOrEnd ? (
<View style={[a.w_full, a.flex_row, a.align_center, a.gap_sm]}>
<IsValidIcon valid={validCheck.handleChars} />
<Text style={[a.text_md, a.flex_1]}>
<Trans>Only contains letters, numbers, and hyphens</Trans>
</Text>
</View>
) : (
<View style={[a.w_full, a.flex_row, a.align_center, a.gap_sm]}>
<IsValidIcon valid={validCheck.hyphenStartOrEnd} />
<Text style={[a.text_md, a.flex_1]}>
<Trans>Doesn't begin or end with a hyphen</Trans>
</Text>
</View>
)}
<View style={[a.w_full, a.flex_row, a.align_center, a.gap_sm]}>
<IsValidIcon
valid={validCheck.frontLength && validCheck.totalLength}
/>
{!validCheck.totalLength ? (
<Text style={[a.text_md, a.flex_1]}>
<Trans>No longer than 253 characters</Trans>
</Text>
) : (
<Text style={[a.text_md, a.flex_1]}>
<Trans>At least 3 characters</Trans>
</Text>
)}
</View>
</View>
</View>
</ScreenTransition>
)
}
function IsValidIcon({valid}: {valid: boolean}) {
const t = useTheme()
if (!valid) {
return <Times size="md" style={{color: t.palette.negative_500}} />
}
return <Check size="md" style={{color: t.palette.positive_700}} />
}
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