import 'react-native-gesture-handler';
import { useEffect } from 'react';
import type { ReactElement } from 'react';
import { ActivityIndicator, View } from 'react-native';
import { Stack } from 'expo-router';
import { StatusBar } from 'expo-status-bar';
import { GestureHandlerRootView } from 'react-native-gesture-handler';
import { KeyboardProvider } from 'react-native-keyboard-controller';
import { SafeAreaProvider } from 'react-native-safe-area-context';
import { setAudioModeAsync } from 'expo-audio';
import { ThemeProvider, useTheme } from '@/theme';
import { useSession } from '@/stores/session';
import { ErrorBoundary } from '@/components';

// Voice notes must play even with the iPhone mute switch on (Telegram
// behavior) — without this, playback "works" but is silent on most devices.
void setAudioModeAsync({ playsInSilentMode: true });

const RootNavigator = (): ReactElement => {
  const { colors, name } = useTheme();
  const status = useSession((s) => s.status);
  const bootstrap = useSession((s) => s.bootstrap);

  useEffect(() => {
    void bootstrap();
  }, [bootstrap]);

  if (status === 'loading') {
    return (
      <View style={{ flex: 1, alignItems: 'center', justifyContent: 'center', backgroundColor: colors.background }}>
        <ActivityIndicator color={colors.accent} />
      </View>
    );
  }

  return (
    <>
      <StatusBar style={name === 'dark' ? 'light' : 'dark'} />
      <Stack screenOptions={{ headerShown: false, contentStyle: { backgroundColor: colors.background } }}>
        <Stack.Protected guard={status === 'authenticated'}>
          <Stack.Screen name="(app)" />
        </Stack.Protected>
        <Stack.Protected guard={status !== 'authenticated'}>
          <Stack.Screen name="(auth)" />
        </Stack.Protected>
      </Stack>
    </>
  );
};

export default function RootLayout(): ReactElement {
  return (
    <GestureHandlerRootView style={{ flex: 1 }}>
      <ErrorBoundary>
        <SafeAreaProvider>
          <KeyboardProvider>
            <ThemeProvider>
              <RootNavigator />
            </ThemeProvider>
          </KeyboardProvider>
        </SafeAreaProvider>
      </ErrorBoundary>
    </GestureHandlerRootView>
  );
}