App.js

import React, { useEffect, useState } from 'react';
import { StatusBar } from 'expo-status-bar';
import { NavigationContainer } from '@react-navigation/native';
import { SafeAreaProvider } from 'react-native-safe-area-context';
import { ThemeProvider } from './src/context/ThemeContext';
import { NotesProvider } from './src/context/NotesContext';
import { LanguageProvider } from './src/context/LanguageContext';
import { Platform } from 'react-native';
import { requestTrackingPermissionsAsync } from 'expo-tracking-transparency';
import Constants from 'expo-constants';
import AppNavigator from './src/navigation/AppNavigator';
import StopwatchService from './src/services/StopwatchService';
import NotificationService from './src/services/NotificationService';
import AsyncStorage from '@react-native-async-storage/async-storage';
import OnboardingScreen from './src/screens/OnboardingScreen';

export default function App() {
  const [onboardingChecked, setOnboardingChecked] = useState(false);
  const [showOnboarding, setShowOnboarding] = useState(false);

  // İlk açılışta onboarding kontrolü
  useEffect(() => {
    (async () => {
      try {
        const flag = await AsyncStorage.getItem('hasSeenOnboarding');
        setShowOnboarding(flag !== 'true');
      } catch {}
      setOnboardingChecked(true);
    })();
  }, []);

  // Bildirim servisini her platformda başlat (Expo Go dahil)
  useEffect(() => {
    (async () => {
      try {
        await NotificationService.initialize();
      } catch {}
    })();
  }, []);

  useEffect(() => {
    // iOS ATT iznini uygulama açılışında iste
    (async () => {
      try {
        if (Platform.OS === 'ios' && Constants?.appOwnership !== 'expo') {
          const { status } = await requestTrackingPermissionsAsync();
          // İzin durumu: 'granted' | 'denied' | 'unavailable'
          // Burada ileride GDPR/CCPA için reklam talebini kişisel/kişisel olmayan şekle ayarlayabiliriz.
        }
      } catch (e) {
        console.warn('ATT permission request failed:', e?.message || e);
      }
    })();

    // iOS/Android yerel derlemede reklam SDK başlatma (Expo Go'da devre dışı)
    if (Platform.OS !== 'web' && Constants?.appOwnership !== 'expo') {
      try {
        const { default: mobileAds } = require('react-native-google-mobile-ads');
        mobileAds().initialize();
      } catch (e) {
        console.warn('MobileAds init failed:', e?.message || e);
      }
    }

    // Expo Go veya web ortamında bildirimleri tamamen devre dışı bırak
    if (Platform.OS === 'web' || (Constants?.appOwnership === 'expo')) {
      return;
    }

    let Notifications = null;
    try {
      Notifications = require('expo-notifications');
    } catch {}

    if (!Notifications) return;

    Notifications.setNotificationHandler({
      handleNotification: async () => ({
        shouldShowBanner: true,
        shouldShowList: true,
        shouldPlaySound: true,
        shouldSetBadge: false,
      }),
    });

    if (Platform.OS === 'android') {
      (async () => {
        try {
          await Notifications.setNotificationChannelAsync('inactivity', {
            name: 'Inactivity',
            importance: Notifications.AndroidImportance.HIGH,
            sound: 'default',
            vibrationPattern: [0, 250, 250, 250],
            lockscreenVisibility: Notifications.AndroidNotificationVisibility.PUBLIC,
          });
        } catch {}
      })();
    }

    // Şimdilik izin isteme veya bildirim planlama yok
  }, []);

  return (
    <SafeAreaProvider>
      <LanguageProvider>
        <ThemeProvider>
          <NotesProvider>
            <NavigationContainer>
              <StatusBar style="auto" />
              {onboardingChecked && showOnboarding ? (
                <OnboardingScreen onDone={() => setShowOnboarding(false)} />
              ) : (
                <AppNavigator />
              )}
            </NavigationContainer>
          </NotesProvider>
        </ThemeProvider>
      </LanguageProvider>
    </SafeAreaProvider>
  );
}