main.dart

import 'package:flutter/material.dart';

void main() => runApp(const MyApp());

class MyApp extends StatelessWidget {
  const MyApp({super.key});

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      title: 'Flutter Demo',
      debugShowCheckedModeBanner: false,
      theme: ThemeData(
        colorSchemeSeed: Colors.blue,
      ),
      home: const LoginPage(),
    );
  }
}

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

  @override
  State<LoginPage> createState() => _LoginPageState();
}

class _LoginPageState extends State<LoginPage> {
  final _formKey = GlobalKey<FormState>();
  final _emailController = TextEditingController();
  final _passwordController = TextEditingController();
  bool _obscureText = true;

  void _toggleObscureText() {
    setState(() {
      _obscureText = !_obscureText;
    });
  }

  void _login() {
    if (_formKey.currentState!.validate()) {
      // add login logic here
      // for this example, we'll just print the values
      print('Email: ${_emailController.text}');
      print('Password: ${_passwordController.text}');
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('Login Page'),
      ),
      body: Padding(
        padding: const EdgeInsets.all(20.0),
        child: Form(
          key: _formKey,
          child: Column(
            children: [
              TextFormField(
                controller: _emailController,
                decoration: const InputDecoration(
                  labelText: 'Email',
                  border: OutlineInputBorder(),
                ),
                validator: (value) {
                  if (value == null || value.isEmpty) {
                    return 'Please enter an email';
                  }
                  return null;
                },
              ),
              const SizedBox(height: 20),
              TextFormField(
                controller: _passwordController,
                decoration: InputDecoration(
                  labelText: 'Password',
                  border: const OutlineInputBorder(),
                  suffixIcon: IconButton(
                    icon: _obscureText ? const Icon(Icons.visibility_off) : const Icon(Icons.visibility),
                    onPressed: _toggleObscureText,
                  ),
                ),
                obscureText: _obscureText,
                validator: (value) {
                  if (value == null || value.isEmpty) {
                    return 'Please enter a password';
                  }
                  if (value.length < 8) {
                    return 'Please enter a password with at least 8 characters';
                  }
                  return null;
                },
              ),
              const SizedBox(height: 20),
              ElevatedButton(
                onPressed: _login,
                child: const Text('Login'),
              ),
            ],
          ),
        ),
      ),
    );
  }
}