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

class SmsService {
  final Simcards _simcards = Simcards();

 Future<void> sendVerificationSms({
   required BuildContext context,
   required String destinationNumber,
   required String message,
 }) async {
   try {
     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;
     }

     await _sendSms(destinationNumber, message, simCardList.first);

   } catch (e) {
     print("⚠️ Error in SMS process: $e");
   }
 }


   Future<void> _sendSms(
       String destinationNumber, String message, SimCard selectedSim) async {
     if (Platform.isAndroid) {
       try {
         // Generate a unique ID
         var uuid = const Uuid();
         String uniqueId = uuid.v4(); // Generates a random v4 UUID

         // The message will be the unique ID
         String smsMessage = uniqueId;

         // flutter_sms sends the message using the device's default SMS app.
         // It does not programmatically select a SIM card. The 'selectedSim'
         // parameter from the dialog will not be used to choose the sending SIM.
         String result = await sendSMS(
           message: smsMessage,
           recipients: [destinationNumber],
           sendDirect: true, // This attempts to send directly without opening the messaging app.
                            // It requires more permissions and might not work on all devices/Androidversions.
                            // If false, it will open the default SMS app.
         );
         print("✅ SMS send result:  $result. Sent via ${selectedSim.displayName} (Note: OS default SIM isused).");

       } catch (e) {
         print("⚠️ Error sending SMS: $e");
       }
     } else {
       print("⚠️ SMS sending is only supported on Android.");
     }
   }
}