import 'package:flutter/material.dart';
import 'package:gap/gap.dart';
import 'package:mobile_scanner/mobile_scanner.dart';
import 'package:ocbo_esign_validator/widgets/text_widget.dart';

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

  @override
  Widget build(BuildContext context) {
    return const MaterialApp(debugShowCheckedModeBanner: false, home: BarcodeScannerScreen());
  }
}

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

  @override
  State<BarcodeScannerScreen> createState() => _BarcodeScannerScreenState();
}

class _BarcodeScannerScreenState extends State<BarcodeScannerScreen> {
  String barcodeResult = "Point the camera at a barcode";

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      resizeToAvoidBottomInset: false,
      body: Container(
        alignment: Alignment.center,
        height: MediaQuery.of(context).size.height,
        decoration: const BoxDecoration(
          gradient: LinearGradient(
            begin: Alignment.topCenter,
            end: Alignment.bottomCenter,
            colors: [
              Color.fromRGBO(39, 26, 47, 1),
              Color.fromRGBO(22, 33, 44, 1),
              Color.fromRGBO(22, 33, 44, 1),
              Color.fromRGBO(24, 45, 40, 1),
            ],
          ),
        ),
        child: Center(
          child: Padding(
            padding: const EdgeInsets.only(top: 64, left: 16, right: 16),
            child: Column(
              children: [
                Expanded(
                  flex: 2,
                  child: ClipRRect(
                    borderRadius: BorderRadius.circular(20), // Adjust the radius as needed
                    child: MobileScanner(
                      fit: BoxFit.cover,
                      onDetect: (BarcodeCapture capture) {
                        final List<Barcode> barcodes = capture.barcodes;
                        if (barcodes.isNotEmpty && barcodes.first.rawValue != null) {
                          setState(() {
                            barcodeResult = barcodes.first.rawValue!;
                          });
                        }
                      },
                    ),
                  ),
                ),
                Expanded(
                  flex: 2,
                  child: Column(
                    children: [
                      Gap(20),
                      TextWidget(text: 'Scan OCBO e-Sign QR', size: 20, bold: true),
                    ],
                  ),
                ),
              ],
            ),
          ),
        ),
      ),
    );
  }
}