HyM_UI/lib/login.dart

import 'dart:convert';
import 'package:flutter/material.dart';
import 'package:http/http.dart' as http;

class AuthService {
  Future<bool> isUserLoggedIn() async {
    try {
      var url = Uri.http('127.0.0.1:3001', 'is_logged_in');
      var response = await http.get(url);
      print(response.body);
      if (response.statusCode == 200) {
        print('all good in the east!');
        List json = jsonDecode(response.body);
        print(json[0]);
        return true;
      }
    } catch (e) {
      print(e);
    }
    return false;
  }
}

class LoginPage extends StatefulWidget {
  const LoginPage({super.key});

  @override
  _LoginPageState createState() => _LoginPageState();
}

class _LoginPageState extends State<LoginPage> {
  final AuthService _authService = AuthService();
  // Controllers for capturing user input
  final TextEditingController _emailController = TextEditingController();
  final TextEditingController _passwordController = TextEditingController();

  // Key to identify the form
  final _formKey = GlobalKey<FormState>();

  void checkLogin() async {
    // try {
    //   var url = Uri.http('127.0.0.1:3001', 'is_logged_in');
    //   var response = await http.get(url);
    //   print(response.body);
    //   if (response.statusCode == 200) {
    //     print('all good on the west');
    //   }
    // } catch (e) {
    //   print(e);
    // }
    bool isLoggedIn = await _authService.isUserLoggedIn();
    
  }

  // Function to handle login action
  void _handleLogin() {
    if (_formKey.currentState!.validate()) {
      // Perform login action (e.g., authenticate with backend)
      String email = _emailController.text;
      String password = _passwordController.text;

      // For demonstration, just print the values
      print('Email: $email');
      print('Password: $password');

      // Clear the input fields
      _emailController.clear();
      _passwordController.clear();
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('Login Page'),
      ),
      body: Padding(
        padding: const EdgeInsets.all(16.0),
        child: Form(
          key: _formKey,
          child: Align(
            alignment: Alignment.centerLeft,
            child: Column(
              mainAxisSize: MainAxisSize.min,
              crossAxisAlignment: CrossAxisAlignment.start,
              children: [
                Text('Sign in to your email'),
                SizedBox(
                  height: 5,
                ),
                // Email Field
                Container(
                  width: 200,
                  child: TextFormField(
                    controller: _emailController,
                    decoration: const InputDecoration(
                      labelText: 'Email',
                      hintText: 'Enter your email',
                      helperMaxLines: 1,
                    ),
                    validator: (value) {
                      // Simple email validation
                      if (value == null || value.isEmpty) {
                        return 'Please enter your email';
                      }
                      if (!RegExp(r'^\S+@\S+\.\S+$').hasMatch(value)) {
                        return 'Please enter a valid email address';
                      }
                      return null;
                    },
                  ),
                ),
                const SizedBox(height: 16.0),
                // Password Field
                Container(
                  width: 200,
                  child: TextFormField(
                    controller: _passwordController,
                    decoration: const InputDecoration(
                      labelText: 'Password',
                      hintText: 'Enter your password',
                    ),
                    obscureText: true, // Hide the password text
                    validator: (value) {
                      // Simple password validation
                      if (value == null || value.isEmpty) {
                        return 'Please enter your password';
                      }
                      if (value.length < 6) {
                        return 'Password must be at least 6 characters long';
                      }
                      return null;
                    },
                  ),
                ),
                const SizedBox(height: 32.0),
                // Login Button
                SizedBox(
                  width: 200,
                  child: ElevatedButton(
                    onPressed: _handleLogin,
                    child: const Text('Login'),
                  ),
                ),
                SizedBox(
                  width: 200,
                  child: ElevatedButton(
                    onPressed: checkLogin,
                    child: const Text('checker'),
                  ),
                )
              ],
            ),
          ),
        ),
      ),
    );
  }
}