import { DarkTheme, DefaultTheme, ThemeProvider } from '@react-navigation/native';
import { Stack } from 'expo-router';
import * as SplashScreen from 'expo-splash-screen';
import { StatusBar } from 'expo-status-bar';
import { useEffect } from 'react';
import 'react-native-reanimated';

import { useColorScheme } from '@/hooks/useColorScheme';
import { useAppStore } from '@/store/useAppStore';

// Prevent the splash screen from auto-hiding before asset loading is complete.
SplashScreen.preventAutoHideAsync();

export default function RootLayout() {
  const systemColorScheme = useColorScheme();
  const themePreference = useAppStore((state) => state.theme);

  useEffect(() => {
    SplashScreen.hideAsync();
  }, []);

  const isDark = themePreference === 'system'
    ? systemColorScheme === 'dark'
    : themePreference === 'dark';

  return (
    <ThemeProvider value={isDark ? DarkTheme : DefaultTheme}>
      <Stack>
        <Stack.Screen name="index" options={{ headerShown: false }} />
        <Stack.Screen name="chat" options={{ headerShown: false }} />
        <Stack.Screen name="settings/index" options={{ presentation: 'modal', title: 'Settings' }} />
        <Stack.Screen name="+not-found" />
      </Stack>
      <StatusBar style={isDark ? 'light' : 'dark'} />
    </ThemeProvider>
  );
}