// chooseSim.dart

import 'package:flutter/material.dart';
import 'package:sim_data/sim_data.dart';
import 'package:permission_handler/permission_handler.dart';

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

  @override
  _ChooseSimPageState createState() => _ChooseSimPageState();
}

class _ChooseSimPageState extends State<ChooseSimPage> {
  List<SimCard> _simCards = [];
  int? _selectedSimIndex;

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

  Future<void> _fetchSimCards() async {
    if (await Permission.phone.request().isGranted) {
      try {
        final simData = await SimDataPlugin.getSimData();
        setState(() {
          _simCards = simData.cards;
          _selectedSimIndex = 0;
        });
      } catch (e) {
        // Handle error
        print('Error fetching SIM data: $e');
      }
    } else {
      // Permission denied
      print('Phone permission denied');
    }
  }

  void _onSimSelected(int? index) {
    if (index != null) {
      setState(() {
        _selectedSimIndex = index;
      });
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: Colors.black,
      appBar: AppBar(
        title: const Text('Choisir la SIM'),
      ),
      body: _simCards.isEmpty
          ? const Center(
        child: Text(
          'Aucune carte SIM trouvée',
          style: TextStyle(color: Colors.white),
        ),
      )
          : ListView.builder(
        itemCount: _simCards.length,
        itemBuilder: (context, index) {
          final sim = _simCards[index];
          return ListTile(
            title: Text(
              'SIM ${index + 1}',
              style: const TextStyle(color: Colors.white),
            ),
            subtitle: Text(
              'Opérateur: ${sim.carrierName}',
              style: const TextStyle(color: Colors.grey),
            ),
            trailing: Radio<int>(
              value: index,
              groupValue: _selectedSimIndex,
              onChanged: _onSimSelected,
            ),
          );
        },
      ),
    );
  }
}