import 'package:flutter/material.dart';
import 'package:provider/provider.dart';

import '../../config/routes.dart';
import '../../providers/connectivity.dart';
import '../../widgets/Global/internet_error.dart';
import '../../widgets/LabelScreens/Scan/input_box.dart';
import '../../widgets/LabelScreens/Scan/save_button.dart';
import '../../widgets/LabelScreens/Scan/scan_box.dart';

// import 'package:flutter/services.dart';
// import 'package:barcode_scan2/barcode_scan2.dart';

class LabelScanScreen extends StatefulWidget {
  // static const route = '/LabelScanScreen';
  @override
  State<StatefulWidget> createState() {
    return _LabelScanScreenState();
  }
}

class _LabelScanScreenState extends State<LabelScanScreen> {
  String testCode = "";
  TextEditingController idCTRL = new TextEditingController();
  final _form = GlobalKey<FormState>();

  @override
  Widget build(BuildContext context) {
    final _media = MediaQuery.of(context);
    // final double _pixelRatio = (_media.size.height / _media.size.width * 7 / 5);
    final double _devicewidth = _media.size.width;
    final double _deviceBlockSize = _devicewidth / 100;
    return SafeArea(
      child: GestureDetector(
        onTap: () {
          FocusManager.instance.primaryFocus?.unfocus();
        },
        child: Scaffold(
          appBar: AppBar(
            titleSpacing: -10,
            title: Text(
              'Labels',
              style: TextStyle(
                color: Colors.white,
              ),
            ),
            backgroundColor: Colors.black,
            leading: IconButton(
              icon: Icon(
                Icons.keyboard_arrow_left,
                color: Colors.white,
                size: 35,
              ),
              onPressed: () => Navigator.of(context).pop(),
            ),
          ),
          body: Consumer<ConnectivityProvider>(
            builder: (ct, connection, _) {
              return connection.conStatus != 'offline'
                  ? ListView(
                      padding: EdgeInsets.symmetric(horizontal: 20),
                      children: <Widget>[
                        Container(
                          padding: EdgeInsets.only(top: 30),
                          child: Text(
                            'Looking for a Label?',
                            textAlign: TextAlign.left,
                            style: TextStyle(
                              color: Colors.black,
                              fontSize: 5.5 * _deviceBlockSize,
                              fontWeight: FontWeight.w700,
                              letterSpacing: 3,
                            ),
                          ),
                        ),
                        LabelScanBox(),
                        SizedBox(
                          height: 10,
                        ),
                        Form(
                          key: _form,
                          child: LabelScanInputBox(
                            idCTRL: idCTRL,
                            deviceBlockSize: _deviceBlockSize,
                          ),
                        ),
                        SizedBox(
                          height: 70,
                        ),
                        FilterScanSaveButton(
                          form: _form,
                          idCTRL: idCTRL,
                          deviceBlockSize: _deviceBlockSize,
                        ),
                      ],
                    )
                  : ConnectionErrorBox();
            },
          ),
        ),
      ),
    );
  }
}