// ignore_for_file: avoid_print
import 'package:flutter/material.dart';
import 'package:simcards/sim_card.dart';
import 'package:simcards/simcards.dart';

class SmsService {
  final Simcards _simcards = Simcards();

  Future<void> sendVerificationSms({
    required BuildContext context,
    required String destinationNumber,
    required String message,
  }) async {
    try {
      // Request permission to access SIM cards
      await _simcards.requestPermission();

      bool permissionGranted = await _simcards.hasPermission();
      if (!permissionGranted) {
        print("❌ Permission denied.");
        return;
      }

      List<SimCard> simCardList = await _simcards.getSimCards();
      if (simCardList.isEmpty) {
        print("❌ No SIM detected.");
        return;
      }

      // If only one SIM card is available, send SMS directly
      if (simCardList.length == 1) {
        await _sendSms(destinationNumber, message, simCardList.first);
        return;
      }

      // Show a dialog to let the user select a SIM card
      int? selectedSimSlot = await showDialog<int>(
        context: context,
        builder: (BuildContext dialogContext) {
          int? tempSelection;
          return AlertDialog(
            title: const Text("Select SIM to send SMS"),
            content: StatefulBuilder(
              builder: (BuildContext context, StateSetter setState) {
                return DropdownButton<int>(
                  hint: const Text("Choose SIM"),
                  value: tempSelection,
                  onChanged: (int? newValue) {
                    setState(() {
                      tempSelection = newValue;
                    });
                  },
                  items: List.generate(simCardList.length, (index) {
                    final sim = simCardList[index];
                    return DropdownMenuItem<int>(
                      value: index,
                      child: Text(sim.displayName ?? "SIM ${index + 1}"),
                    );
                  }),
                );
              },
            ),
            actions: [
              TextButton(
                onPressed: () {
                  Navigator.pop(dialogContext, tempSelection);
                },
                child: const Text("OK"),
              ),
            ],
          );
        },
      );

      if (selectedSimSlot == null) {
        print("⚠️ SIM not selected.");
        return;
      }

      // Send SMS using the selected SIM card
      await _sendSms(destinationNumber, message, simCardList[selectedSimSlot]);
    } catch (e) {
      print("⚠️ Error sending SMS: $e");
    }
  }

  Future<void> _sendSms(
      String destinationNumber, String message, SimCard selectedSim) async {
    // SMS Logic Here
    print("✅ SMS sent via ${selectedSim.displayName}");
  }
}