import React from 'react';
import { StatusBar } from 'expo-status-bar';
import { ActivityIndicator, View } from 'react-native';
import { NavigationContainer } from '@react-navigation/native';
import { createNativeStackNavigator } from '@react-navigation/native-stack';
import { QueryClient, QueryClientProvider } from '@tanstack/react-query';
import { AuthProvider, useAuth } from './contexts/AuthContext';
import { LoginScreen } from './app/login';
import { RegisterScreen } from './app/register';
import { HomeScreen } from './app/index';
import { UploadScreen } from './app/upload';
import { ScanScreen } from './app/scan';
import { SearchScreen } from './app/search';
import { BatchReviewScreen } from './app/batch-review';
import { PendingReviewScreen } from './app/pending-review';
import { FileDetailScreen } from './app/file-detail';
import { FileEditScreen } from './app/file-edit';
import { FolderScreen } from './app/folder';

const Stack = createNativeStackNavigator();
const queryClient = new QueryClient();

function AppNavigator() {
  const { user, isLoading } = useAuth();

  if (isLoading) {
    return (
      <View style={{ flex: 1, justifyContent: 'center', alignItems: 'center' }}>
        <ActivityIndicator size="large" />
      </View>
    );
  }

  return (
    <NavigationContainer>
      <Stack.Navigator initialRouteName={user ? 'Home' : 'Login'}>
        {user ? (
          <>
            <Stack.Screen
              name="Home"
              component={HomeScreen}
              options={{
                title: 'Dot.',
                headerTitleStyle: { fontSize: 18 },
              }}
            />
            <Stack.Screen name="Upload" component={UploadScreen} options={{ title: 'Upload' }} />
            <Stack.Screen name="Scan" component={ScanScreen} options={{ title: 'Scan' }} />
            <Stack.Screen name="Search" component={SearchScreen} options={{ title: 'Recherche' }} />
            <Stack.Screen name="BatchReview" component={BatchReviewScreen} options={{ title: 'Revue du lot' }} />
            <Stack.Screen name="PendingReview" component={PendingReviewScreen} options={{ title: 'Réorganisation' }} />
            <Stack.Screen
              name="FileDetail"
              component={FileDetailScreen}
              options={{ title: 'Détails', headerTintColor: '#fff', headerStyle: { backgroundColor: '#000' } }}
            />
            <Stack.Screen name="FileEdit" component={FileEditScreen} options={{ title: 'Édition' }} />
            <Stack.Screen name="Folder" component={FolderScreen} options={{ title: 'Dossier' }} />
          </>
        ) : (
          <>
            <Stack.Screen name="Login" component={LoginScreen} options={{ headerShown: false }} />
            <Stack.Screen name="Register" component={RegisterScreen} options={{ headerShown: false }} />
          </>
        )}
      </Stack.Navigator>
    </NavigationContainer>
  );
}

export default function App() {
  return (
    <QueryClientProvider client={queryClient}>
      <AuthProvider>
        <AppNavigator />
        <StatusBar style="auto" />
      </AuthProvider>
    </QueryClientProvider>
  );
}