import 'package:dialer/widgets/qr_scanner.dart';
import 'package:flutter/material.dart';
import 'package:flutter_contacts/flutter_contacts.dart';

class AddContactButton extends StatelessWidget {
  const AddContactButton({Key? key}) : super(key: key);


  /// Create the contact from vCard, insert it, and open the system Contacts app in edit mode.
  Future<void> createContactFromVCardAndOpenEditor(String vCardString) async {
    // Request permission first
    final granted = await FlutterContacts.requestPermission(readonly: false);
    if (!granted) {
      debugPrint('Contacts permission denied');
      return;
    }

    // Create a contact from vCard data
    final newContact = Contact.fromVCard(vCardString);

    // Insert it into the device's contacts
    await newContact.insert();

    // Open the system Contacts app with this contact in edit mode
    final edited = await FlutterContacts.openExternalEdit(newContact.id);
    if (edited == null) {
      debugPrint(" ____ Could NOT edit contact !");
    }
  }

  Future<void> createNewContactBlank() async {
    // For a blank contact, we can rely on flutter_contacts to do an external insert:
    // But if we specifically want the system's default "insert" flow, we can do:
    // `await FlutterContacts.openExternalInsert();`
    // or rely on your old Android-intent approach.
    await FlutterContacts.openExternalInsert();
  }

  @override
  Widget build(BuildContext context) {
    return IconButton(
      icon: const Icon(Icons.add, color: Colors.blue),
      onPressed: () {
        showDialog(
          context: context,
          barrierDismissible: true, // Allows dismissal by tapping outside
          builder: (BuildContext context) {
            return AlertDialog(
              backgroundColor: Colors.black,
              content: Column(
                mainAxisSize: MainAxisSize.min,
                children: [
                  TextButton(
                    onPressed: () async {
                      Navigator.of(context).pop(); // close dialog

                      // Go to QR Scanner
                      final vCardString = await Navigator.push(
                        context,
                        MaterialPageRoute(
                          builder: (context) => const QRCodeScannerScreen(),
                        ),
                      );

                      // If we got a vCard string back
                      if (vCardString != null && vCardString is String) {
                        await createContactFromVCardAndOpenEditor(vCardString);
                      }
                    },
                    child: const Text(
                      "Scan QR code",
                      style: TextStyle(color: Colors.white),
                    ),
                  ),
                  TextButton(
                    onPressed: () async {
                      Navigator.of(context).pop();
                      // Create a blank contact entry
                      await createNewContactBlank();
                    },
                    child: const Text(
                      "Create new contact",
                      style: TextStyle(color: Colors.white),
                    ),
                  ),
                ],
              ),
            );
          },
        );
      },
    );
  }
}