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 App!!',
      theme: ThemeData(
        colorSchemeSeed: Colors.indigo,
        useMaterial3: true,
        brightness: Brightness.light,
      ),
      darkTheme: ThemeData(
        colorSchemeSeed: Colors.blue,
        useMaterial3: true,
        brightness: Brightness.dark,
      ),
      home: const MyHomePage(title: 'Flutter Example App'),
      debugShowCheckedModeBanner: false,
    );
  }
}

class MyHomePage extends StatefulWidget {
  const MyHomePage({super.key, required this.title});

  final String title;

  @override
  State<MyHomePage> createState() => _MyHomePageState();
}

class _MyHomePageState extends State<MyHomePage> {
  bool showPrefixIcon = true;
  bool showPrefix = true;
  bool showSuffix = true;
  bool showSuffixIcon = true;
  TextEditingController textController =
      TextEditingController(text: "Input Text");

  @override
  Widget build(BuildContext context) {
    final theme = Theme.of(context);
    return Scaffold(
      appBar: AppBar(
        title: Text(widget.title),
      ),
      body: Padding(
        padding: EdgeInsets.all(20.0),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            Row(
              children: [
                Text('Show Prefix Icon', style: theme.textTheme.titleLarge),
                Checkbox(
                  value: showPrefixIcon,
                  onChanged: (value) => setState(() {
                    showPrefixIcon = value ?? false;
                  }),
                ),
              ],
            ),
            Row(
              children: [
                Text('Show Prefix', style: theme.textTheme.titleLarge),
                Checkbox(
                  value: showPrefix,
                  onChanged: (value) => setState(() {
                    showPrefix = value ?? false;
                  }),
                ),
              ],
            ),
            Row(
              children: [
                Text('Show Suffix', style: theme.textTheme.titleLarge),
                Checkbox(
                  value: showSuffix,
                  onChanged: (value) => setState(() {
                    showSuffix = value ?? false;
                  }),
                ),
              ],
            ),
            Row(
              children: [
                Text('Show Suffix Icon', style: theme.textTheme.titleLarge),
                Checkbox(
                  value: showSuffixIcon,
                  onChanged: (value) => setState(() {
                    showSuffixIcon = value ?? false;
                  }),
                ),
              ],
            ),
            IntrinsicWidth(
              child: TextField(
                controller: textController,
                decoration: InputDecoration(
                  border: OutlineInputBorder(),
                  labelText: 'Input',
                  hintText: 'Input',
                  prefixIcon: showPrefixIcon ? Icon(Icons.add) : null,
                  prefix: showPrefix ? Text("\$") : null,
                  suffix: showSuffix ? Text("kg") : null,
                  suffixIcon: showSuffixIcon ? Icon(Icons.clear) : null,
                ),
              ),
            ),
          ],
        ),
      ),
    );
  }
}