Untitled

Future<void> verifyPhoneNumber({
    required String phoneNumber,
    required Function(PhoneAuthCredential) verificationCompleted,
    required Function(FirebaseAuthException) verificationFailed,
    required Function(String, int?) codeSent,
    required Function(String) codeAutoRetrievalTimeout,
  }) async {
    await _auth.verifyPhoneNumber(
      phoneNumber: phoneNumber,
      verificationCompleted: verificationCompleted,
      verificationFailed: verificationFailed,
      codeSent: codeSent,
      codeAutoRetrievalTimeout: codeAutoRetrievalTimeout,
    );
  }

  Future<UserCredential?> signInWithPhoneCredential(String verificationId, String smsCode) async {
    try {
      AuthCredential credential = PhoneAuthProvider.credential(
        verificationId: verificationId,
        smsCode: smsCode,
      );
      return await _auth.signInWithCredential(credential);
    } catch (e) {
      rethrow;
    }
  }








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Future<void> _verifyPhone() async {
    String phone = _phoneController.text.trim();
    if (phone.isEmpty || !phone.startsWith('+')) {
      _showError('Enter phone with +CountryCode');
      return;
    }

    setState(() => _isLoading = true);
    await _authService.verifyPhoneNumber(
      phoneNumber: phone,
      verificationCompleted: (PhoneAuthCredential credential) async {
        await FirebaseAuth.instance.signInWithCredential(credential);
        if (mounted) {
          Navigator.pushReplacement(
            context,
            MaterialPageRoute(builder: (context) => const HomeScreen()),
          );
        }
      },
      verificationFailed: (FirebaseAuthException e) {
        setState(() => _isLoading = false);
        _showError(e.message ?? 'Verification failed');
      },
      codeSent: (String verificationId, int? resendToken) {
        setState(() => _isLoading = false);
        CommonUI.showOTPDialog(
          context: context,
          onVerify: (otp) async {
            setState(() => _isLoading = true);
            try {
              await _authService.signInWithPhoneCredential(verificationId, otp);
              if (mounted) {
                Navigator.pushReplacement(
                  context,
                  MaterialPageRoute(builder: (context) => const HomeScreen()),
                );
              }
            } catch (e) {
              _showError('Invalid OTP');
            } finally {
              if (mounted) setState(() => _isLoading = false);
            }
          },
        );
      },
      codeAutoRetrievalTimeout: (id) {},
    );
  }