import 'package:flutter/material.dart';
import 'package:ccc_cryptography/ccc_cryptography.dart';

Future<void> main() async {
  WidgetsFlutterBinding.ensureInitialized();
  await CccCrypto.init();
  runApp(const MyApp());
}

class MyApp extends StatefulWidget {
  const MyApp({super.key});

  @override
  State<MyApp> createState() => _MyAppState();
}

class _MyAppState extends State<MyApp> {
  String _status = 'Running self-test…';

  @override
  void initState() {
    super.initState();
    _runSelfTest();
  }

  Future<void> _runSelfTest() async {
    try {
      final result = await CccCrypto.runSelfTest();
      final providers = CccCrypto.listProviders();
      setState(() {
        _status = 'Providers: ${providers.join(", ")}\n'
            'Self-test: ${result.allPassed ? "ALL PASSED" : "FAILED"}\n'
            '${result.results.map((r) => '  ${r.algoName}: ${r.passed ? "✓" : "✗ ${r.errorMessage}"}').join("\n")}';
      });
    } on CccException catch (e) {
      setState(() => _status = 'Error: $e');
    }
  }

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(title: const Text('ccc_cryptography')),
        body: Padding(
          padding: const EdgeInsets.all(16),
          child: Text(_status, style: const TextStyle(fontSize: 16)),
        ),
      ),
    );
  }
}