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

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!');
        String jsonOuter = jsonDecode(response.body);
        Map<String, dynamic> json = jsonDecode(jsonOuter);
        // print(json["is_logged_in"]);
        return json["is_logged_in"];
      }
    } catch (e) {
      print(e);
    }
    return false;
  }

  Future<bool> loginUser(String email, String password) async {
    try {} catch (e) {}
    return false;
  }
}

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

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

class SplashScreen extends StatefulWidget {
  @override
  _SplashScreenState createState() => _SplashScreenState();
}

class _SplashScreenState extends State<SplashScreen> {
  final AuthService _authService = AuthService();
  @override
  void initState() {
    super.initState();
    _checkLoginStatus();
  }

  Future<void> _checkLoginStatus() async {
    // SharedPreferences prefs = await SharedPreferences.getInstance();
    // print(prefs);
    // bool isLoggedIn = prefs.getBool('isLoggedIn') ?? false;
    bool isLoggedIn = await _authService.isUserLoggedIn();
    print("is loogeed in $isLoggedIn");
    if (isLoggedIn) {
      print('here');
      Navigator.pushReplacementNamed(context, '/home');
    } else {
      Navigator.pushReplacementNamed(context, '/login');
    }
  }

  @override
  Widget build(BuildContext context) {
    return Center(
      child: Scaffold(
        body: Center(child: CircularProgressIndicator()),
      ),
    );
  }
}

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 Center(
      child: Scaffold(
        appBar: AppBar(
          title: const Text('Login Page'),
        ),
        body: Center(
          child: SingleChildScrollView(
            padding: const EdgeInsets.all(16.0),
            child: Form(
              key: _formKey,
              child: Align(
                alignment: Alignment.center,
                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)) {
                            // print(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,
                        onPressed: () async {
                          await _authService.isUserLoggedIn();
                          // print(result);
                        },
                        child: const Text('checker'),
                      ),
                    )
                  ],
                ),
              ),
            ),
          ),
        ),
      ),
    );
  }
}