import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'keyboard/keyboard_layout.dart';
import 'onboarding/permission_flow.dart';
import 'services/scam_service.dart';
import 'theme/finanjo_theme.dart';

void main() {
  WidgetsFlutterBinding.ensureInitialized();
  AccessibilityBridge.initialize();
  runApp(const PremithiusApp());
}

/// A specific entrypoint for the Android IME Service. 
/// The IME Service will call DartExecutor.DartEntrypoint(..., "keyboardMain")
@pragma('vm:entry-point')
void keyboardMain() {
  runApp(const MaterialApp(
    debugShowCheckedModeBanner: false,
    home: PremithiusKeyboard(),
  ));
}

@pragma('vm:entry-point')
void scamMain() {
  // Headless execution for handling SMS analysis requests
  WidgetsFlutterBinding.ensureInitialized();
  const channel = MethodChannel('in.inmodel.premithus/scam');
  
  // Need to initialize ScamService without UI
  final scamService = ScamService();
  scamService.init();

  channel.setMethodCallHandler((call) async {
    if (call.method == 'analyze') {
      final String sender = call.arguments['sender'] ?? '';
      final String messageBody = call.arguments['messageBody'] ?? '';
      
      final result = await scamService.analyzeSms(sender, messageBody);
      
      return {
        'isScam': result.isScam,
        'category': result.category,
        'confidence': result.confidence,
        'threatLevel': result.threatLevel,
        'triggeredLayer': result.triggeredLayer,
        'layerLabel': result.layerLabel,
      };
    } else if (call.method == 'feedback') {
      final String sender = call.arguments['sender'] ?? '';
      final String messageBody = call.arguments['messageBody'] ?? '';
      final bool isScam = call.arguments['isScam'] ?? false;
      
      await scamService.processFeedback(sender, messageBody, isScam);
      return null;
    }
    return null;
  });
}

class PremithiusApp extends StatelessWidget {
  const PremithiusApp({Key? key}) : super(key: key);

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Premithius',
      theme: FinanjoTheme.themeData,
      // Default to Permission Flow on first launch
      home: const PermissionFlow(),
    );
  }
}