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

class SimParametersPage extends StatefulWidget {
  const SimParametersPage({Key? key}) : super(key: key);

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

class _SimParametersPageState extends State<SimParametersPage> {
  List<SimCard> _simCards = [];

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

  Future<void> _fetchSimParameters() async {
    try {
      bool permissionsGranted = await MobileNumber.hasPhonePermission;
      if (!permissionsGranted) {
        await MobileNumber.requestPhonePermission;
        // Check again if permission is granted
        permissionsGranted = await MobileNumber.hasPhonePermission;
      }
      if (permissionsGranted) {
        List<SimCard>? simCards = await MobileNumber.getSimCards;
        if (simCards != null && mounted) {
          setState(() {
            _simCards = simCards;
          });
        } else {
          print('No SIM cards found');
        }
      } else {
        print('Phone permission denied');
      }
    } catch (e) {
      print('Failed to get SIM cards: $e');
    }
  }

  Widget _buildSimInfo(SimCard sim, int index) {
    return Card(
      color: Colors.grey[850],
      child: ListTile(
        title: Text(
          'SIM ${index + 1}',
          style: const TextStyle(color: Colors.white),
        ),
        subtitle: Text(
          '''
Carrier Name: ${sim.carrierName ?? 'N/A'}
Country Iso: ${sim.countryIso ?? 'N/A'}
Display Name: ${sim.displayName ?? 'N/A'}
Slot Index: ${sim.slotIndex ?? 'N/A'}
Number: ${sim.number ?? 'N/A'}
''',
          style: const TextStyle(color: Colors.grey),
        ),
      ),
    );
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      backgroundColor: Colors.black,
      appBar: AppBar(
        title: const Text('SIM Parameters'),
      ),
      body: _simCards.isEmpty
          ? const Center(
        child: Text(
          'No SIM cards found',
          style: TextStyle(color: Colors.white),
        ),
      )
          : ListView.builder(
        itemCount: _simCards.length,
        itemBuilder: (context, index) {
          return _buildSimInfo(_simCards[index], index);
        },
      ),
    );
  }
}