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: 'ELIZA Chatbot',
      debugShowCheckedModeBanner: false,
      theme: ThemeData(
        colorSchemeSeed: Colors.blue,
      ),
      home: const MyHomePage(title: 'ELIZA Chatbot'),
    );
  }
}

class MyHomePage extends StatefulWidget {
  final String title;

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

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

class _MyHomePageState extends State<MyHomePage> {
  final TextEditingController _textController = TextEditingController();
  final List<String> _conversation = [];

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: Text(widget.title),
      ),
      body: Padding(
        padding: const EdgeInsets.all(16.0),
        child: Column(
          children: [
            Expanded(
              child: ListView.builder(
                itemCount: _conversation.length,
                itemBuilder: (context, index) {
                  return ListTile(
                    title: Text(_conversation[index]),
                  );
                },
              ),
            ),
            Row(
              children: [
                Expanded(
                  child: TextField(
                    controller: _textController,
                    decoration: const InputDecoration(
                      border: OutlineInputBorder(),
                      hintText: 'Type your message',
                    ),
                  ),
                ),
                SizedBox(
                  width: 10,
                ),
                ElevatedButton(
                  onPressed: _handleSendMessage,
                  child: const Text('Send'),
                ),
              ],
            ),
          ],
        ),
      ),
    );
  }

  void _handleSendMessage() {
    final userInput = _textController.text;
    _textController.clear();
    setState(() {
      _conversation.add('You: $userInput');
      final response = _getResponse(userInput);
      _conversation.add('ELIZA: $response');
    });
  }

  String _getResponse(String userInput) {
    // Implement the ELIZA logic here
    // For now, just return a random response
    final responses = [
      'I\'m not sure I understand. Can you explain?',
      'That\'s very interesting. Can you tell me more?',
      'I see. And how does that make you feel?',
    ];
    return responses[DateTime.now().millisecond % responses.length];
  }
}