import 'package:flutter/material.dart';

void main() {
  runApp(const MyApp());
}

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

  // This widget is the root of your application.
  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        body: SafeArea(
          child: LayoutBuilder(builder: (context, constraints) {
            if (constraints.maxWidth > 500) {
              return SingleChildScrollView();
            }
            return SingleChildScrollView(
              child: Column(
                children: [
                  Padding(
                    padding: const EdgeInsets.only(top: 32),
                    child: Text("My Home Page",
                        style:
                        Theme.of(context).textTheme.displayLarge?.copyWith(
                          fontSize: 60,
                        )),
                  ),
                  Padding(
                    padding: const EdgeInsets.all(32),
                    child: Text(
                      "Name",
                      style: Theme.of(context).textTheme.titleLarge,
                    ),
                  ),
                  Padding(
                    padding: const EdgeInsets.fromLTRB(16.0,16.0,16.0, 0),
                    child: Form(
                      child: Container(
                        constraints: BoxConstraints(
                          minWidth: 0.0,
                          maxWidth: MediaQuery.of(context).size.width,
                        ),
                        child: TextFormField(
                            maxLength: 20,
                            initialValue: "",
                            onChanged: (value) {
                              //Handle name change
                            },
                            decoration: const InputDecoration(
                              disabledBorder: OutlineInputBorder(
                                borderSide: BorderSide(
                                  color: Color(0xFF6200EE),
                                ),
                              ),
                              prefixIcon: Icon(Icons.person),
                              labelText: "Name",
                              helperText: "Enter Name",
                              enabledBorder: OutlineInputBorder(
                                borderSide: BorderSide(
                                  color: Color(0xFF6200EE),
                                ),
                              ),
                            ),
                            validator: (value) {
                              if (value!.isEmpty) {
                                return "nameMustNotBeEmpty";
                              } else if (value.length < 3) {
                                return "nameMustHave3OrMoreCharacters";
                              } else {
                                return null;
                              }
                            }),
                      ),
                    ),
                  ),
                  const SizedBox(
                    height: 30,
                  ),
                  ElevatedButton(
                      onPressed: () {
                        //Handle button press
                      },
                      child: const Icon(Icons.done_outlined)),
                ],
              ),
            );
          }),
        ),
      ),
    );
  }
}