import 'dart:async';

import 'package:flutter/foundation.dart';
import 'package:flutter/material.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:relationship_saver/app/relationship_saver_app.dart';
import 'package:relationship_saver/core/observability/sentry_init.dart';
import 'package:relationship_saver/features/ai_digest/application/llm_digest_background_scheduler.dart';
import 'package:relationship_saver/features/ai_digest/application/llm_digest_orchestrator.dart';
import 'package:workmanager/workmanager.dart';

export 'package:relationship_saver/app/relationship_saver_app.dart';

@pragma('vm:entry-point')
void llmDigestCallbackDispatcher() {
  Workmanager().executeTask((
    String taskName,
    Map<String, dynamic>? inputData,
  ) async {
    if (taskName != llmDigestTaskName &&
        taskName != Workmanager.iOSBackgroundTask) {
      return true;
    }
    WidgetsFlutterBinding.ensureInitialized();
    final ProviderContainer container = ProviderContainer();
    try {
      await container.read(llmDigestOrchestratorProvider).runScheduledDigest();
      return true;
    } finally {
      container.dispose();
    }
  });
}

Future<void> main() async {
  WidgetsFlutterBinding.ensureInitialized();
  if (_supportsWorkmanagerPlatform()) {
    await Workmanager().initialize(llmDigestCallbackDispatcher);
  }

  final SentryInit sentry = SentryInit();
  await sentry.initialize(
    appRunner: () {
      runApp(
        ProviderScope(
          overrides: [sentryInitProvider.overrideWithValue(sentry)],
          child: const RelationshipSaverApp(),
        ),
      );
    },
  );
}

bool _supportsWorkmanagerPlatform() {
  if (kIsWeb) {
    return false;
  }
  return defaultTargetPlatform == TargetPlatform.iOS ||
      defaultTargetPlatform == TargetPlatform.android;
}