// ignore_for_file: avoid_print, library_private_types_in_public_api, depend_on_referenced_packages

// For jsonEncode
import 'package:flutter/material.dart';
import 'package:speech_to_text/speech_to_text.dart' as stt;

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

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(title: const Text('Speech to Text')),
      body: const Center(
        child: SpeechInputWidget(),
      ),
    );
  }
}

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

  @override
  State<SpeechInputWidget> createState() => _SpeechInputWidgetState();
}

class _SpeechInputWidgetState extends State<SpeechInputWidget> {
  late stt.SpeechToText _speech;
  bool _isListening = false;
  String _spokenText = '';

  @override
  void initState() {
    super.initState();
    _speech = stt.SpeechToText();
  }

  void _listen() async {
    if (!_isListening) {
      bool available = await _speech.initialize(
        onStatus: (val) => print('Status: $val'),
        onError: (val) => print('Error: $val'),
      );
      if (available) {
        setState(() => _isListening = true);
        _speech.listen(
          onResult: (val) {
            setState(() {
              _spokenText = val.recognizedWords;
            });
          },
        );
      }
    } else {
      setState(() => _isListening = false);
      _speech.stop();
    }
  }

  @override
  Widget build(BuildContext context) {
    return Column(
      mainAxisAlignment: MainAxisAlignment.center,
      children: [
        Text(
          _spokenText.isEmpty ? 'Say something…' : _spokenText,
          style: const TextStyle(fontSize: 20),
        ),
        const SizedBox(height: 20),
        FloatingActionButton(
          onPressed: _listen,
          child: Icon(_isListening ? Icons.mic : Icons.mic_none),
        )
      ],
    );
  }
}