112 lines
3.4 KiB
Dart
112 lines
3.4 KiB
Dart
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// ignore_for_file: use_build_context_synchronously
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import 'package:flutter/material.dart';
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import 'package:google_sign_in/google_sign_in.dart';
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import 'package:http/http.dart' as http;
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import 'package:monarch/other_pages/enviroment.dart';
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import 'dart:convert';
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import 'package:shared_preferences/shared_preferences.dart';
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import 'package:monarch/main_pages/HomePage/homepage.dart';
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class LoginScreen extends StatefulWidget {
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const LoginScreen({super.key});
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@override
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State<LoginScreen> createState() => _LoginScreenState();
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}
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class _LoginScreenState extends State<LoginScreen> {
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// GoogleSignIn instance
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final GoogleSignIn _googleSignIn = GoogleSignIn(
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scopes: ['email', 'profile', 'openid'],
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serverClientId: '${Environment.serverClientId}',
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);
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bool _isLoading = false;
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Future<void> _handleGoogleSignIn() async {
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setState(() => _isLoading = true);
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try {
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// Step 1: Trigger the sign-in flow
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final GoogleSignInAccount? account = await _googleSignIn.signIn();
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if (account == null) {
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// User cancelled
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setState(() => _isLoading = false);
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return;
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}
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// Step 2: Get authentication tokens
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final GoogleSignInAuthentication auth = await account.authentication;
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final String? idToken = auth.idToken;
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if (idToken == null) {
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debugPrint("❌ Failed to get ID token");
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return;
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}
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// Step 3: Send token to backend
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final uri = Uri.parse("http://192.168.1.10:3000/auth/google/token");
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final res = await http.post(
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uri,
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headers: {"Content-Type": "application/json"},
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body: jsonEncode({"idToken": idToken}),
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);
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if (res.statusCode == 200) {
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final data = jsonDecode(res.body);
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if (data['success'] == true) {
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debugPrint("✅ User logged in: ${data['user']}");
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final prefs = await SharedPreferences.getInstance();
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prefs.setString('userId', data['user']['_id']);
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Navigator.pushReplacement(
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context,
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MaterialPageRoute(builder: (_) => const FinTrackHomePage()),
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);
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} else {
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debugPrint("❌ Login failed: ${data['error']}");
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}
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} else {
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debugPrint("❌ Backend error: ${res.body}");
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}
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} catch (e) {
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debugPrint("⚠ Google Sign-In error: $e");
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} finally {
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setState(() => _isLoading = false);
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}
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}
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@override
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Widget build(BuildContext context) {
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return Scaffold(
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backgroundColor: Colors.white,
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body: Center(
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child:
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_isLoading
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? const CircularProgressIndicator()
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: ElevatedButton.icon(
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style: ElevatedButton.styleFrom(
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backgroundColor: Colors.white,
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foregroundColor: Colors.black,
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padding: const EdgeInsets.symmetric(
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vertical: 12,
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horizontal: 20,
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),
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shape: RoundedRectangleBorder(
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borderRadius: BorderRadius.circular(30),
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side: const BorderSide(color: Colors.grey),
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),
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),
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label: const Text(
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'Sign in with Google',
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style: TextStyle(fontSize: 16),
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),
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onPressed: _handleGoogleSignIn,
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),
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),
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);
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}
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}
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