import { CameraView, useCameraPermissions } from "expo-camera";import { Stack, useLocalSearchParams, useRouter } from "expo-router";import { SymbolView } from "expo-symbols";import { useCallback, useEffect, useState } from "react";import { Alert, Pressable, ScrollView, View } from "react-native";import { useSafeAreaInsets } from "react-native-safe-area-context";import { useThemeColor } from "../../lib/useThemeColor"; import { AppText as Text, AppTextInput as TextInput } from "../../components/AppText";import { ErrorBanner } from "../../components/ErrorBanner";import { dismissRoute } from "../../lib/routes";import { ConnectionSheetButton } from "./ConnectionSheetButton";import { extractPairingUrlFromQrPayload } from "./pairing";import { useRemoteConnections } from "../../state/use-remote-environment-registry";import { buildPairingUrl, parsePairingUrl } from "./pairing"; export function NewConnectionRouteScreen() { const { connectionError, connectionPairingUrl, connectionState, onChangeConnectionPairingUrl, onConnectPress, } = useRemoteConnections(); const router = useRouter(); const params = useLocalSearchParams<{ mode?: string }>(); const insets = useSafeAreaInsets(); const [hostInput, setHostInput] = useState(""); const [codeInput, setCodeInput] = useState(""); const [isSubmitting, setIsSubmitting] = useState(false); const [showScanner, setShowScanner] = useState(params.mode === "scan_qr"); const [cameraPermission, requestCameraPermission] = useCameraPermissions(); const [scannerLocked, setScannerLocked] = useState(false); const textColor = useThemeColor("--color-icon"); const placeholderColor = useThemeColor("--color-placeholder"); const connectDisabled = isSubmitting || connectionState === "connecting" || hostInput.trim().length === 0; useEffect(() => { const { host, code } = parsePairingUrl(connectionPairingUrl); setHostInput(host); setCodeInput(code); }, [connectionPairingUrl]); useEffect(() => { if (connectionError) { setIsSubmitting(false); } }, [connectionError]); const handleHostChange = useCallback((value: string) => { setHostInput(value); }, []); const handleCodeChange = useCallback((value: string) => { setCodeInput(value); }, []); const openScanner = useCallback(async () => { if (cameraPermission?.granted) { setScannerLocked(false); setShowScanner(true); return; } const permission = await requestCameraPermission(); if (permission.granted) { setScannerLocked(false); setShowScanner(true); return; } Alert.alert("Camera access needed", "Allow camera access to scan a backend pairing QR code."); }, [cameraPermission?.granted, requestCameraPermission]); const closeScanner = useCallback(() => { setShowScanner(false); setScannerLocked(false); }, []); const handleQrScan = useCallback( ({ data }: { readonly data: string }) => { if (scannerLocked) { return; } setScannerLocked(true); try { const pairingUrl = extractPairingUrlFromQrPayload(data); const { host, code } = parsePairingUrl(pairingUrl); setHostInput(host); setCodeInput(code); onChangeConnectionPairingUrl(pairingUrl); setShowScanner(false); } catch (error) { Alert.alert( "Invalid QR code", error instanceof Error ? error.message : "Scanned QR code was not recognized.", ); } finally { setTimeout(() => { setScannerLocked(false); }, 600); } }, [onChangeConnectionPairingUrl, scannerLocked], ); const handleSubmit = useCallback(async () => { setIsSubmitting(true); try { const pairingUrl = buildPairingUrl(hostInput, codeInput); onChangeConnectionPairingUrl(pairingUrl); await onConnectPress(pairingUrl); dismissRoute(router); } catch { setIsSubmitting(false); } }, [codeInput, hostInput, onChangeConnectionPairingUrl, onConnectPress, router]); return ( <View collapsable={false} className="flex-1 bg-sheet"> <Stack.Screen options={{ title: showScanner ? "Scan QR Code" : "Add Backend", headerRight: () => ( <Pressable className="h-10 w-10 items-center justify-center rounded-full border border-border bg-secondary" onPress={() => { if (showScanner) { closeScanner(); } else { void openScanner(); } }} > <SymbolView name={showScanner ? "xmark" : "qrcode.viewfinder"} size={showScanner ? 14 : 18} tintColor={textColor} type="monochrome" weight="semibold" /> </Pressable> ), }} /> <ScrollView contentInsetAdjustmentBehavior="automatic" showsVerticalScrollIndicator={false} style={{ flex: 1 }} contentContainerStyle={{ paddingHorizontal: 20, paddingTop: 16, paddingBottom: Math.max(insets.bottom, 18) + 18, }} > <View collapsable={false} className="gap-5"> {showScanner ? ( cameraPermission?.granted ? ( <View className="overflow-hidden rounded-[24px]" style={{ borderCurve: "continuous" }} > <CameraView barcodeScannerSettings={{ barcodeTypes: ["qr"] }} onBarcodeScanned={handleQrScan} style={{ aspectRatio: 1, width: "100%" }} /> </View> ) : ( <View className="items-center gap-3 rounded-[24px] bg-card px-5 py-8" style={{ borderCurve: "continuous" }} > <Text className="text-center text-[14px] leading-[20px] text-foreground-muted"> Camera permission is required to scan a QR code. </Text> <ConnectionSheetButton compact icon="camera" label="Allow camera" tone="secondary" onPress={() => { void openScanner(); }} /> </View> ) ) : ( <View collapsable={false} className="gap-4 rounded-[24px] bg-card p-4"> <View collapsable={false} className="gap-1.5"> <Text className="text-[11px] font-t3-bold uppercase text-foreground-muted" style={{ letterSpacing: 0.8 }} > Host </Text> <TextInput autoCapitalize="none" autoCorrect={false} keyboardType="url" placeholder="192.168.1.100:8080" placeholderTextColor={placeholderColor} value={hostInput} onChangeText={handleHostChange} className="rounded-[14px] border border-input-border bg-input px-4 py-3.5 text-[15px] text-foreground" /> </View> <View collapsable={false} className="gap-1.5"> <Text className="text-[11px] font-t3-bold uppercase text-foreground-muted" style={{ letterSpacing: 0.8 }} > Pairing code </Text> <TextInput autoCapitalize="none" autoCorrect={false} placeholder="abc-123-xyz" placeholderTextColor={placeholderColor} value={codeInput} onChangeText={handleCodeChange} className="rounded-[14px] border border-input-border bg-input px-4 py-3.5 text-[15px] text-foreground" /> </View> {connectionError ? <ErrorBanner message={connectionError} /> : null} <ConnectionSheetButton icon="plus" label={ isSubmitting || connectionState === "connecting" ? "Pairing..." : "Add backend" } disabled={connectDisabled} tone="primary" onPress={() => { void handleSubmit(); }} /> </View> )} </View> </ScrollView> </View> );}
import { CameraView, useCameraPermissions } from "expo-camera";
import { Stack, useLocalSearchParams, useRouter } from "expo-router";
import { SymbolView } from "expo-symbols";
import { useCallback, useEffect, useState } from "react";
import { Alert, Pressable, ScrollView, View } from "react-native";
import { useSafeAreaInsets } from "react-native-safe-area-context";
import { useThemeColor } from "../../lib/useThemeColor";
import { AppText as Text, AppTextInput as TextInput } from "../../components/AppText";
import { ErrorBanner } from "../../components/ErrorBanner";
import { dismissRoute } from "../../lib/routes";
import { ConnectionSheetButton } from "./ConnectionSheetButton";
import { extractPairingUrlFromQrPayload } from "./pairing";
import { useRemoteConnections } from "../../state/use-remote-environment-registry";
import { buildPairingUrl, parsePairingUrl } from "./pairing";
export function NewConnectionRouteScreen() {
const {
connectionError,
connectionPairingUrl,
connectionState,
onChangeConnectionPairingUrl,
onConnectPress,
} = useRemoteConnections();
const router = useRouter();
const params = useLocalSearchParams<{ mode?: string }>();
const insets = useSafeAreaInsets();
const [hostInput, setHostInput] = useState("");
const [codeInput, setCodeInput] = useState("");
const [isSubmitting, setIsSubmitting] = useState(false);
const [showScanner, setShowScanner] = useState(params.mode === "scan_qr");
const [cameraPermission, requestCameraPermission] = useCameraPermissions();
const [scannerLocked, setScannerLocked] = useState(false);
const textColor = useThemeColor("--color-icon");
const placeholderColor = useThemeColor("--color-placeholder");
const connectDisabled =
isSubmitting || connectionState === "connecting" || hostInput.trim().length === 0;
useEffect(() => {
const { host, code } = parsePairingUrl(connectionPairingUrl);
setHostInput(host);
setCodeInput(code);
}, [connectionPairingUrl]);
useEffect(() => {
if (connectionError) {
setIsSubmitting(false);
}
}, [connectionError]);
const handleHostChange = useCallback((value: string) => {
setHostInput(value);
}, []);
const handleCodeChange = useCallback((value: string) => {
setCodeInput(value);
}, []);
const openScanner = useCallback(async () => {
if (cameraPermission?.granted) {
setScannerLocked(false);
setShowScanner(true);
return;
}
const permission = await requestCameraPermission();
if (permission.granted) {
setScannerLocked(false);
setShowScanner(true);
return;
}
Alert.alert("Camera access needed", "Allow camera access to scan a backend pairing QR code.");
}, [cameraPermission?.granted, requestCameraPermission]);
const closeScanner = useCallback(() => {
setShowScanner(false);
setScannerLocked(false);
}, []);
const handleQrScan = useCallback(
({ data }: { readonly data: string }) => {
if (scannerLocked) {
return;
}
setScannerLocked(true);
try {
const pairingUrl = extractPairingUrlFromQrPayload(data);
const { host, code } = parsePairingUrl(pairingUrl);
setHostInput(host);
setCodeInput(code);
onChangeConnectionPairingUrl(pairingUrl);
setShowScanner(false);
} catch (error) {
Alert.alert(
"Invalid QR code",
error instanceof Error ? error.message : "Scanned QR code was not recognized.",
);
} finally {
setTimeout(() => {
setScannerLocked(false);
}, 600);
}
},
[onChangeConnectionPairingUrl, scannerLocked],
);
const handleSubmit = useCallback(async () => {
setIsSubmitting(true);
try {
const pairingUrl = buildPairingUrl(hostInput, codeInput);
onChangeConnectionPairingUrl(pairingUrl);
await onConnectPress(pairingUrl);
dismissRoute(router);
} catch {
setIsSubmitting(false);
}
}, [codeInput, hostInput, onChangeConnectionPairingUrl, onConnectPress, router]);
return (
<View collapsable={false} className="flex-1 bg-sheet">
<Stack.Screen
options={{
title: showScanner ? "Scan QR Code" : "Add Backend",
headerRight: () => (
<Pressable
className="h-10 w-10 items-center justify-center rounded-full border border-border bg-secondary"
onPress={() => {
if (showScanner) {
closeScanner();
} else {
void openScanner();
}
}}
>
<SymbolView
name={showScanner ? "xmark" : "qrcode.viewfinder"}
size={showScanner ? 14 : 18}
tintColor={textColor}
type="monochrome"
weight="semibold"
/>
</Pressable>
),
}}
/>
<ScrollView
contentInsetAdjustmentBehavior="automatic"
showsVerticalScrollIndicator={false}
style={{ flex: 1 }}
contentContainerStyle={{
paddingHorizontal: 20,
paddingTop: 16,
paddingBottom: Math.max(insets.bottom, 18) + 18,
}}
>
<View collapsable={false} className="gap-5">
{showScanner ? (
cameraPermission?.granted ? (
<View
className="overflow-hidden rounded-[24px]"
style={{ borderCurve: "continuous" }}
>
<CameraView
barcodeScannerSettings={{ barcodeTypes: ["qr"] }}
onBarcodeScanned={handleQrScan}
style={{ aspectRatio: 1, width: "100%" }}
/>
</View>
) : (
<View
className="items-center gap-3 rounded-[24px] bg-card px-5 py-8"
style={{ borderCurve: "continuous" }}
>
<Text className="text-center text-[14px] leading-[20px] text-foreground-muted">
Camera permission is required to scan a QR code.
</Text>
<ConnectionSheetButton
compact
icon="camera"
label="Allow camera"
tone="secondary"
onPress={() => {
void openScanner();
}}
/>
</View>
)
) : (
<View collapsable={false} className="gap-4 rounded-[24px] bg-card p-4">
<View collapsable={false} className="gap-1.5">
<Text
className="text-[11px] font-t3-bold uppercase text-foreground-muted"
style={{ letterSpacing: 0.8 }}
>
Host
</Text>
<TextInput
autoCapitalize="none"
autoCorrect={false}
keyboardType="url"
placeholder="192.168.1.100:8080"
placeholderTextColor={placeholderColor}
value={hostInput}
onChangeText={handleHostChange}
className="rounded-[14px] border border-input-border bg-input px-4 py-3.5 text-[15px] text-foreground"
/>
</View>
<View collapsable={false} className="gap-1.5">
<Text
className="text-[11px] font-t3-bold uppercase text-foreground-muted"
style={{ letterSpacing: 0.8 }}
>
Pairing code
</Text>
<TextInput
autoCapitalize="none"
autoCorrect={false}
placeholder="abc-123-xyz"
placeholderTextColor={placeholderColor}
value={codeInput}
onChangeText={handleCodeChange}
className="rounded-[14px] border border-input-border bg-input px-4 py-3.5 text-[15px] text-foreground"
/>
</View>
{connectionError ? <ErrorBanner message={connectionError} /> : null}
<ConnectionSheetButton
icon="plus"
label={
isSubmitting || connectionState === "connecting" ? "Pairing..." : "Add backend"
}
disabled={connectDisabled}
tone="primary"
onPress={() => {
void handleSubmit();
}}
/>
</View>
)}
</View>
</ScrollView>
</View>
);
}