Passwordless sign-in by email link (Magic Link)

// Automatic FlutterFlow imports
import '/backend/backend.dart';
import '/backend/schema/structs/index.dart';
import '/backend/schema/enums/enums.dart';
import '/flutter_flow/flutter_flow_theme.dart';
import '/flutter_flow/flutter_flow_util.dart';
import '/custom_code/actions/index.dart'; // Imports other custom actions
import '/flutter_flow/custom_functions.dart'; // Imports custom functions
import 'package:flutter/material.dart';
// Begin custom action code
// DO NOT REMOVE OR MODIFY THE CODE ABOVE!

import 'package:firebase_auth/firebase_auth.dart';

Future sendDynamicSignInLink(String email) async {
  // Function to send a request to Firebase for an email signin link.

  // Get the current URL
  Uri currentUri = Uri.base;
  print('Current URL: $currentUri'); // Debug print

  // Construct the new URL by replacing the path with '/complete-signin'
  Uri newUri = currentUri.replace(path: 'completeSignIn');

  // Function to request Firebase to send an email sign-in link
  try {
    await FirebaseAuth.instance.sendSignInLinkToEmail(
      email: email,
      actionCodeSettings: ActionCodeSettings(
        url: newUri.toString(),
        handleCodeInApp: true,
      ),
    );
  } catch (e) {
    throw Exception('Failed to send sign-in link: $e');
  }
}

// Automatic FlutterFlow imports
import '/backend/backend.dart';
import '/backend/schema/structs/index.dart';
import '/backend/schema/enums/enums.dart';
import '/flutter_flow/flutter_flow_theme.dart';
import '/flutter_flow/flutter_flow_util.dart';
import '/custom_code/actions/index.dart'; // Imports other custom actions
import '/flutter_flow/custom_functions.dart'; // Imports custom functions
import 'package:flutter/material.dart';
// Begin custom action code
// DO NOT REMOVE OR MODIFY THE CODE ABOVE!

import 'package:firebase_auth/firebase_auth.dart';

Future completeSignIn() async {
  Uri currentUri = Uri.base;
  String emailLink =
      currentUri.toString(); // Use the full URL for the email link

  print('Current URI: $currentUri');

  if (emailLink.isEmpty) {
    print('No email link found in URL');
    throw Exception('No email link found in URL');
  }

  final FirebaseAuth _auth = FirebaseAuth.instance;

  if (_auth.isSignInWithEmailLink(emailLink)) {
    try {
      String? email = FFAppState().userEmail;
      if (email != null && email.isNotEmpty) {
        print('Signing in with email: $email');
        UserCredential userCredential =
            await _auth.signInWithEmailLink(email: email, emailLink: emailLink);

        AuthCredential? credential = userCredential.credential;
        if (credential == null) {
          throw Exception('Failed to get AuthCredential from UserCredential');
        }

        await _auth.currentUser!.linkWithCredential(credential);

        print(
            'Successfully signed in: ${FirebaseAuth.instance.currentUser?.email}');
      } else {
        print('Email not found in app state');
        throw Exception('Email not found. Please enter your email address.');
      }
    } catch (e) {
      print('Failed to sign in: $e');
      throw Exception('Failed to sign in: $e');
    }
  } else {
    print('Email link is not valid');
    throw Exception('Email link is not valid');
  }
}