import 'package:cpd_app/http_utils.dart';
import 'package:cpd_app/image_uploader.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';

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

  @override
  State<OCRPage> createState() => _OCRPageState();
}

class _OCRPageState extends State<OCRPage> {
  String _extractedText = '';
  final ImageUploader _imageUploader = ImageUploader();
  final HttpUtils _httpUtils = HttpUtils();
  @override
  void initState() {
    super.initState();
    uploadImage("lorem.png");
  }

  Future<void> uploadImage(String img) async {
    //hier wird der user sein bild auswählen können
    //aktuell hardcoded bild zum testen
    String imageName = img;
    Uint8List imageBytes = await _imageUploader.buildImageFile(imageName);
    String lang = await _httpUtils.performHttpRequest(imageBytes, imageName);
    String text = await _imageUploader.performOcr(imageBytes, imageName, lang);

    setState(() {
      _extractedText = text;
    });
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: AppBar(
        title: const Text('OCR'),
      ),
      body: Center(
        child: Column(
          mainAxisAlignment: MainAxisAlignment.center,
          children: <Widget>[
            ElevatedButton(
              onPressed: () => uploadImage("lorem.png"),
              child: const Text('Test Upload Image'),
            ),
            Text(_extractedText),
            TextButton(
              onPressed: () {
                Clipboard.setData(ClipboardData(text: _extractedText));
              },
              child: const Text('Copy to Clipboard'),
            ),
          ],
        ),
      ),
    );
  }
}