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net.aliasvault.app/apps/mobile-app/components/form/EmailDomainField.tsx
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644 lines
21 KiB
TypeScript

import MaterialIcons from '@expo/vector-icons/MaterialIcons';
import React, { useState, useEffect, useCallback, useMemo, useRef } from 'react';
import { useTranslation } from 'react-i18next';
import { View, Text, TextInput, TouchableOpacity, Modal, ScrollView, Pressable, StyleSheet } from 'react-native';
import { useColors } from '@/hooks/useColorScheme';
import { ThemedText } from '@/components/themed/ThemedText';
import { useDb } from '@/context/DbContext';
type EmailDomainFieldProps = {
value: string;
onChange: (value: string) => void;
error?: string;
required?: boolean;
label: string;
/** Optional callback for remove button - when provided, shows X button in label row */
onRemove?: () => void;
/** Optional testID for the text input */
testID?: string;
/** Optional: default to email mode (free text) instead of alias mode (domain chooser). Defaults to false. */
defaultEmailMode?: boolean;
/** Optional callback to generate an email alias. When provided, shows a regenerate button and is called when switching to alias mode. */
onGenerateAlias?: () => void;
}
// Hardcoded public email domains (same as in browser extension)
const PUBLIC_EMAIL_DOMAINS = [
'spamok.com',
'solarflarecorp.com',
'spamok.nl',
'3060.nl',
'landmail.nl',
'asdasd.nl',
'spamok.de',
'spamok.com.ua',
'spamok.es',
'spamok.fr',
];
/**
* Email domain field component with domain chooser functionality for React Native.
* Allows users to select from private/public domains or enter custom email addresses.
*/
export const EmailDomainField: React.FC<EmailDomainFieldProps> = ({
value,
onChange,
error,
required = false,
label,
onRemove,
testID,
defaultEmailMode = false,
onGenerateAlias
}) => {
const { t } = useTranslation();
const colors = useColors();
const dbContext = useDb();
// Initialize mode immediately based on value (before domains load)
// This prevents flicker by setting the correct mode right away
const getInitialMode = useCallback((val: string): boolean => {
if (!val || !val.includes('@')) {
return defaultEmailMode;
}
const [, domain] = val.split('@');
// Check against PUBLIC_EMAIL_DOMAINS immediately (hardcoded, always available)
// This gives us an immediate answer for most cases
const isKnownPublicDomain = PUBLIC_EMAIL_DOMAINS.includes(domain);
// If it's a known public domain, use alias mode (not custom)
// Otherwise, default to email mode until private domains load
return !isKnownPublicDomain;
}, [defaultEmailMode]);
const [isCustomDomain, setIsCustomDomain] = useState(() => getInitialMode(value));
const [localPart, setLocalPart] = useState(() => {
if (value && value.includes('@')) {
return value.split('@')[0];
}
return value || '';
});
const [selectedDomain, setSelectedDomain] = useState(() => {
if (value && value.includes('@')) {
return value.split('@')[1];
}
return PUBLIC_EMAIL_DOMAINS[0] || '';
});
const [isModalVisible, setIsModalVisible] = useState(false);
// Use refs to store domains - this prevents re-renders when they load
const privateEmailDomainsRef = useRef<string[]>([]);
const hiddenPrivateEmailDomainsRef = useRef<string[]>([]);
const hasDomainsLoadedRef = useRef(false);
// State for domains (only used for UI display in modal, not for mode detection)
const [privateEmailDomains, setPrivateEmailDomains] = useState<string[]>([]);
const [hiddenPrivateEmailDomains, setHiddenPrivateEmailDomains] = useState<string[]>([]);
// Track value changes to avoid unnecessary re-initialization
const lastValueRef = useRef<string>(value);
const hasInitializedFromValue = useRef(false);
// Get private email domains from vault metadata
useEffect(() => {
/**
* Load private email domains from vault metadata.
* Store in refs immediately (no re-render), then update state for modal display.
* This prevents flicker by avoiding re-renders when domains load.
*/
const loadDomains = async (): Promise<void> => {
try {
const metadata = await dbContext.getVaultMetadata();
const privateDomains = metadata?.privateEmailDomains ?? [];
const hiddenDomains = metadata?.hiddenPrivateEmailDomains ?? [];
// Update refs immediately (no re-render triggered)
privateEmailDomainsRef.current = privateDomains;
hiddenPrivateEmailDomainsRef.current = hiddenDomains;
hasDomainsLoadedRef.current = true;
// Update state for modal display (triggers re-render, but only affects modal)
setPrivateEmailDomains(privateDomains);
setHiddenPrivateEmailDomains(hiddenDomains);
// Check if we need to update mode now that domains are loaded
// Only update if value has an @ and we're in custom mode
if (value && value.includes('@')) {
const domain = value.split('@')[1];
if (domain) {
const isKnownDomain = PUBLIC_EMAIL_DOMAINS.includes(domain) ||
privateDomains.includes(domain) ||
hiddenDomains.includes(domain);
// Only update mode if domain is now recognized AND we're in custom mode
// Use functional update to avoid stale closure and prevent unnecessary updates
setIsCustomDomain(prev => {
if (isKnownDomain && prev) {
return false; // Switch to alias mode
}
return prev; // No change needed - prevents re-render
});
}
}
} catch (err) {
console.error('Error loading email domains:', err);
}
};
loadDomains();
}, [dbContext, value]);
// Check if private domains are available and valid
const showPrivateDomains = useMemo(() => {
return privateEmailDomains.length > 0 &&
!(privateEmailDomains.length === 1 && (privateEmailDomains[0] === 'DISABLED.TLD' || privateEmailDomains[0] === ''));
}, [privateEmailDomains]);
// Initialize state from value prop - only runs when value actually changes
useEffect(() => {
// Skip if value hasn't changed and we've already initialized
if (value === lastValueRef.current && hasInitializedFromValue.current) {
return;
}
lastValueRef.current = value;
if (!value) {
// Set default domain using refs (no re-render)
const defaultDomain = hasDomainsLoadedRef.current && privateEmailDomainsRef.current[0]
? privateEmailDomainsRef.current[0]
: PUBLIC_EMAIL_DOMAINS[0];
if (defaultDomain && defaultDomain !== selectedDomain) {
setSelectedDomain(defaultDomain);
}
hasInitializedFromValue.current = true;
return;
}
if (value.includes('@')) {
const [local, domain] = value.split('@');
// Only update if values actually changed (prevents unnecessary re-renders)
if (local !== localPart) {
setLocalPart(local);
}
if (domain !== selectedDomain) {
setSelectedDomain(domain);
}
// Check mode using refs (no re-render) - works even before domains load
const isKnownDomain = PUBLIC_EMAIL_DOMAINS.includes(domain) ||
privateEmailDomainsRef.current.includes(domain) ||
hiddenPrivateEmailDomainsRef.current.includes(domain);
// Only update mode if it needs to change (prevents flicker)
setIsCustomDomain(prev => {
const newMode = !isKnownDomain;
return newMode !== prev ? newMode : prev;
});
hasInitializedFromValue.current = true;
} else {
if (value !== localPart) {
setLocalPart(value);
}
// Set default domain if not already set
if (!selectedDomain) {
const defaultDomain = hasDomainsLoadedRef.current && privateEmailDomainsRef.current[0]
? privateEmailDomainsRef.current[0]
: PUBLIC_EMAIL_DOMAINS[0];
if (defaultDomain) {
setSelectedDomain(defaultDomain);
}
}
hasInitializedFromValue.current = true;
}
}, [value, localPart, selectedDomain]);
/*
* Re-check domain mode when domains finish loading.
* This handles the case where value was set before domains were loaded.
* Only switches mode if domain is now recognized and we're currently in custom mode.
*/
// Note: Domain mode checking is now handled in the loadDomains effect above
// This prevents the need for a separate effect that triggers re-renders
// Handle local part changes
const handleLocalPartChange = useCallback((newText: string) => {
// If in custom domain mode, always pass through the full value
if (isCustomDomain) {
onChange(newText);
// Stay in custom domain mode - don't auto-switch back
return;
}
// Check if new value contains '@' symbol, if so, switch to custom domain mode
if (newText.includes('@')) {
setIsCustomDomain(true);
onChange(newText);
return;
}
setLocalPart(newText);
// If the local part is empty, treat the whole field as empty
if (!newText || newText.trim() === '') {
onChange('');
} else if (selectedDomain) {
onChange(`${newText}@${selectedDomain}`);
}
}, [isCustomDomain, selectedDomain, onChange]);
// Select a domain from the modal
const selectDomain = useCallback((domain: string) => {
setSelectedDomain(domain);
const cleanLocalPart = localPart.includes('@') ? localPart.split('@')[0] : localPart;
// If the local part is empty, treat the whole field as empty
if (!cleanLocalPart || cleanLocalPart.trim() === '') {
onChange('');
} else {
onChange(`${cleanLocalPart}@${domain}`);
}
setIsCustomDomain(false);
setIsModalVisible(false);
}, [localPart, onChange]);
// Toggle between custom domain and domain chooser
const toggleCustomDomain = useCallback(() => {
const newIsCustom = !isCustomDomain;
setIsCustomDomain(newIsCustom);
if (newIsCustom) {
// Switching to custom domain mode (free text / normal email).
// Clear the value so the user starts fresh with a regular email address.
onChange('');
setLocalPart('');
} else {
// Switching to domain chooser mode - clear old email-mode value.
const defaultDomain = showPrivateDomains && privateEmailDomains[0]
? privateEmailDomains[0]
: PUBLIC_EMAIL_DOMAINS[0];
setSelectedDomain(defaultDomain);
setLocalPart('');
onChange('');
if (onGenerateAlias) {
// Delegate to the parent callback which sets the full email value (prefix@domain)
onGenerateAlias();
}
}
}, [isCustomDomain, showPrivateDomains, privateEmailDomains, onChange, onGenerateAlias]);
const styles = StyleSheet.create({
domainAt: {
color: colors.textMuted,
fontSize: 16,
marginRight: 2,
},
domainButton: {
alignItems: 'center',
backgroundColor: colors.accentBackground,
borderBottomRightRadius: 8,
borderColor: error ? colors.errorBorder : colors.accentBorder,
borderLeftWidth: 0,
borderTopRightRadius: 8,
borderWidth: 1,
flexDirection: 'row',
justifyContent: 'center',
paddingHorizontal: 12,
paddingVertical: 11,
},
domainButtonNoRoundRight: {
borderBottomRightRadius: 0,
borderTopRightRadius: 0,
},
generateButton: {
alignItems: 'center',
backgroundColor: colors.accentBackground,
borderBottomRightRadius: 8,
borderColor: error ? colors.errorBorder : colors.accentBorder,
borderLeftWidth: 0,
borderTopRightRadius: 8,
borderWidth: 1,
justifyContent: 'center',
paddingHorizontal: 10,
paddingVertical: 11,
},
domainButtonText: {
color: colors.text,
fontSize: 16,
},
domainChip: {
backgroundColor: colors.accentBackground,
borderColor: colors.accentBorder,
borderRadius: 8,
borderWidth: 1,
paddingHorizontal: 12,
paddingVertical: 8,
},
domainChipSelected: {
backgroundColor: colors.primary,
borderColor: colors.primary,
},
domainChipText: {
color: colors.text,
fontSize: 14,
},
domainChipTextSelected: {
color: colors.primarySurfaceText,
},
domainList: {
flexDirection: 'row',
flexWrap: 'wrap',
gap: 8,
},
domainSection: {
marginBottom: 24,
},
domainSectionDescription: {
color: colors.textMuted,
fontSize: 13,
marginBottom: 12,
marginTop: 4,
},
domainSectionHeader: {
alignItems: 'center',
flexDirection: 'row',
},
domainSectionSubtitle: {
color: colors.textMuted,
fontSize: 12,
marginLeft: 4,
},
domainSectionTitle: {
color: colors.text,
fontSize: 16,
fontWeight: '600',
marginBottom: 4,
},
errorText: {
color: colors.errorText,
fontSize: 12,
marginTop: 4,
},
inputContainer: {
alignItems: 'center',
flexDirection: 'row',
},
label: {
color: colors.textMuted,
fontSize: 12,
},
labelContainer: {
alignItems: 'center',
flexDirection: 'row',
justifyContent: 'space-between',
marginBottom: 4,
},
switcherContainer: {
alignItems: 'center',
flexDirection: 'row',
},
switcherButton: {
fontSize: 14,
fontWeight: '600',
},
switcherButtonActive: {
color: colors.primary,
fontWeight: '600',
},
switcherButtonInactive: {
color: colors.textMuted,
fontWeight: '400',
opacity: 0.5,
},
switcherSeparator: {
color: colors.textMuted,
fontSize: 14,
marginHorizontal: 6,
},
removeButton: {
padding: 4,
},
modalCloseButton: {
padding: 8,
},
modalContent: {
backgroundColor: colors.background,
borderTopLeftRadius: 16,
borderTopRightRadius: 16,
maxHeight: '80%',
paddingBottom: 34,
},
modalHeader: {
alignItems: 'center',
borderBottomColor: colors.headerBorder,
borderBottomWidth: 1,
flexDirection: 'row',
justifyContent: 'space-between',
paddingHorizontal: 16,
paddingVertical: 12,
},
modalOverlay: {
backgroundColor: colors.modalBackground,
flex: 1,
justifyContent: 'flex-end',
},
modalScrollView: {
paddingHorizontal: 16,
paddingVertical: 16,
},
modalTitle: {
color: colors.text,
fontSize: 18,
fontWeight: '600',
},
requiredAsterisk: {
color: colors.errorText,
},
separator: {
backgroundColor: colors.headerBorder,
height: 1,
marginVertical: 16,
},
textInput: {
backgroundColor: colors.background,
borderBottomLeftRadius: 8,
borderColor: error ? colors.errorBorder : colors.accentBorder,
borderRadius: isCustomDomain ? 8 : 0,
borderTopLeftRadius: 8,
borderWidth: 1,
color: colors.text,
flex: 1,
fontSize: 16,
paddingHorizontal: 12,
paddingVertical: 10,
},
});
return (
<View>
<View style={styles.labelContainer}>
<View style={styles.switcherContainer}>
<TouchableOpacity
onPress={isCustomDomain ? undefined : toggleCustomDomain}
disabled={isCustomDomain}
>
<Text style={[
styles.switcherButton,
isCustomDomain ? styles.switcherButtonActive : styles.switcherButtonInactive
]}>
{t('items.email')}
</Text>
</TouchableOpacity>
<Text style={styles.switcherSeparator}>/</Text>
<TouchableOpacity
onPress={!isCustomDomain ? undefined : toggleCustomDomain}
disabled={!isCustomDomain}
>
<Text style={[
styles.switcherButton,
!isCustomDomain ? styles.switcherButtonActive : styles.switcherButtonInactive
]}>
{t('items.alias')}
</Text>
</TouchableOpacity>
{required && <Text style={styles.requiredAsterisk}> *</Text>}
</View>
{onRemove && (
<TouchableOpacity style={styles.removeButton} onPress={onRemove}>
<MaterialIcons name="close" size={18} color={colors.textMuted} />
</TouchableOpacity>
)}
</View>
<View style={styles.inputContainer}>
<TextInput
style={styles.textInput}
value={isCustomDomain ? value : localPart}
onChangeText={handleLocalPartChange}
autoCapitalize="none"
autoCorrect={false}
keyboardType="email-address"
multiline={false}
numberOfLines={1}
testID={testID}
accessibilityLabel={testID}
/>
{!isCustomDomain && (
<TouchableOpacity
style={[styles.domainButton, onGenerateAlias ? styles.domainButtonNoRoundRight : null]}
onPress={() => setIsModalVisible(true)}
>
<Text style={styles.domainAt}>@</Text>
<Text style={styles.domainButtonText} numberOfLines={1}>
{selectedDomain}
</Text>
</TouchableOpacity>
)}
{!isCustomDomain && onGenerateAlias && (
<TouchableOpacity
style={styles.generateButton}
onPress={onGenerateAlias}
accessibilityLabel={t('common.generate')}
>
<MaterialIcons name="refresh" size={20} color={colors.primary} />
</TouchableOpacity>
)}
</View>
{error && <Text style={styles.errorText}>{error}</Text>}
{/* Domain selection modal */}
<Modal
visible={isModalVisible && !isCustomDomain}
transparent
animationType="slide"
onRequestClose={() => setIsModalVisible(false)}
>
<Pressable style={styles.modalOverlay} onPress={() => setIsModalVisible(false)}>
<Pressable style={styles.modalContent} onPress={(e) => e.stopPropagation()}>
<View style={styles.modalHeader}>
<ThemedText style={styles.modalTitle}>
{t('items.selectEmailDomain')}
</ThemedText>
<TouchableOpacity
style={styles.modalCloseButton}
onPress={() => setIsModalVisible(false)}
>
<MaterialIcons name="close" size={24} color={colors.text} />
</TouchableOpacity>
</View>
<ScrollView style={styles.modalScrollView}>
{showPrivateDomains && (
<View style={styles.domainSection}>
<View style={styles.domainSectionHeader}>
<Text style={styles.domainSectionTitle}>
{t('items.privateEmailTitle')}
</Text>
<Text style={styles.domainSectionSubtitle}>
({t('items.privateEmailAliasVaultServer')})
</Text>
</View>
<Text style={styles.domainSectionDescription}>
{t('items.privateEmailDescription')}
</Text>
<View style={styles.domainList}>
{privateEmailDomains.filter(domain => !hiddenPrivateEmailDomains.includes(domain)).map((domain) => (
<TouchableOpacity
key={domain}
style={[
styles.domainChip,
selectedDomain === domain && styles.domainChipSelected
]}
onPress={() => selectDomain(domain)}
>
<Text style={[
styles.domainChipText,
selectedDomain === domain && styles.domainChipTextSelected
]}>
{domain}
</Text>
</TouchableOpacity>
))}
</View>
</View>
)}
{showPrivateDomains && <View style={styles.separator} />}
<View style={styles.domainSection}>
<Text style={styles.domainSectionTitle}>
{t('items.publicEmailTitle')}
</Text>
<Text style={styles.domainSectionDescription}>
{t('items.publicEmailDescription')}
</Text>
<View style={styles.domainList}>
{PUBLIC_EMAIL_DOMAINS.map((domain) => (
<TouchableOpacity
key={domain}
style={[
styles.domainChip,
selectedDomain === domain && styles.domainChipSelected
]}
onPress={() => selectDomain(domain)}
>
<Text style={[
styles.domainChipText,
selectedDomain === domain && styles.domainChipTextSelected
]}>
{domain}
</Text>
</TouchableOpacity>
))}
</View>
</View>
</ScrollView>
</Pressable>
</Pressable>
</Modal>
</View>
);
};