import 'package:flutter/material.dart';
import 'package:flutter_dotenv/flutter_dotenv.dart';
import 'package:gap/gap.dart';
import 'package:mobile_scanner/mobile_scanner.dart';
import 'package:ocbo_esign_mobile/functions/get_api.dart';
import 'package:ocbo_esign_mobile/widgets/box_widget.dart';
import 'package:ocbo_esign_mobile/widgets/text_widget.dart';
import 'package:vibration/vibration.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> {
  late String qrResult = '';

  void readQr(String value) async {
    if (value.contains('OCBO e-Sign')) {
      final response = await getApi('check-qr', value, null);
      final result = response["result"];

      if (result != '') {
        setState(() {
          qrResult = result;
        });
      }
    } else {
      setState(() {
        qrResult = 'invalid';
      });
    }
  }

  @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(51, 34, 61, 1),
              Color.fromRGBO(22, 33, 44, 1),
              Color.fromRGBO(22, 33, 44, 1),
              Color.fromRGBO(22, 33, 44, 1),
              Color.fromRGBO(30, 56, 50, 1),
            ],
          ),
        ),
        child: Center(
          child: Padding(
            padding: const EdgeInsets.only(top: 64, left: 16, right: 16),
            child: Column(
              children: [
                Container(
                  padding: EdgeInsets.only(top: 8, bottom: 8, left: 20, right: 20),
                  decoration: BoxDecoration(
                    color: const Color.fromRGBO(9, 13, 16, 0.725),
                    borderRadius: BorderRadius.circular(32),
                  ),
                  child: const TextWidget(text: 'Scan OCBO e-Sign QR Code', size: 14, bold: true),
                ),
                const Gap(24),
                Container(
                  decoration: BoxDecoration(
                    borderRadius: BorderRadius.circular(36),
                    border: BoxBorder.all(color: const Color.fromARGB(58, 227, 227, 227)),
                    boxShadow: [
                      const BoxShadow(
                        color: Color.fromRGBO(5, 5, 8, 0.526),
                        blurRadius: 6,
                        offset: Offset(4, 4), // left and up
                      ),
                      const BoxShadow(
                        color: Color.fromRGBO(92, 71, 97, 0.526),
                        blurRadius: 6,
                        offset: Offset(-4, -4), // right and down
                      ),
                    ],
                  ),
                  height: 330,
                  width: 340,
                  child: ClipRRect(
                    borderRadius: BorderRadius.circular(36), // Adjust the radius as needed
                    child: MobileScanner(
                      fit: BoxFit.cover,
                      onDetect: (BarcodeCapture capture) async {
                        final List<Barcode> barcodes = capture.barcodes;
                        if (barcodes.isNotEmpty && barcodes.first.rawValue != null) {
                          readQr(barcodes.first.rawValue!);

                          if (await Vibration.hasVibrator()) {
                            Vibration.vibrate(duration: 100);
                          }
                        }
                      },
                    ),
                  ),
                ),
                const Gap(24),
                if (qrResult.isNotEmpty)
                  Column(
                    children: [
                      if (qrResult != 'invalid')
                        Row(
                          children: [
                            Container(
                              padding: EdgeInsets.all(0),
                              width: 90,
                              height: 90,
                              decoration: BoxDecoration(
                                color: const Color.fromRGBO(69, 191, 73, 0.1),
                                border: Border.all(color: const Color.fromRGBO(69, 191, 73, 1), width: 2),
                                borderRadius: BorderRadius.circular(99), // Optional: rounded corners
                              ),
                              child: Icon(Icons.check, color: const Color.fromRGBO(69, 191, 73, 1), size: 48),
                            ),
                            const Gap(24),

                            Column(
                              crossAxisAlignment: CrossAxisAlignment.start,
                              children: [
                                const TextWidget(
                                  text: 'Valid',
                                  bold: true,
                                  size: 22,
                                  color: Color.fromRGBO(69, 191, 73, 1),
                                ),
                                const Gap(16),
                                const TextWidget(
                                  text: 'QR is a valid OCBO e-Sign',
                                  bold: false,
                                  size: 14,
                                  color: Color.fromRGBO(69, 191, 73, 1),
                                ),
                              ],
                            ),
                            const Gap(24),
                            BoxWidget(
                              title: '',
                              content: Column(
                                crossAxisAlignment: CrossAxisAlignment.start,
                                children: [
                                  const TextWidget(text: 'Name', bold: true, size: 14),
                                  const Gap(8),
                                  TextWidget(text: qrResult, bold: false, size: 14),
                                ],
                              ),
                            ),
                          ],
                        )
                      else
                        Row(
                          children: [
                            Container(
                              padding: EdgeInsets.all(0),
                              width: 90,
                              height: 90,
                              decoration: BoxDecoration(
                                color: const Color.fromRGBO(206, 74, 77, 0.1),
                                border: Border.all(color: const Color.fromRGBO(206, 74, 77, 1), width: 2),
                                borderRadius: BorderRadius.circular(99),
                              ),
                              child: Icon(Icons.close, color: const Color.fromRGBO(206, 74, 77, 1), size: 48),
                            ),
                            const Gap(24),

                            Column(
                              crossAxisAlignment: CrossAxisAlignment.start,
                              children: [
                                const TextWidget(
                                  text: 'Invalid',
                                  bold: true,
                                  size: 22,
                                  color: Color.fromRGBO(206, 74, 77, 1),
                                ),
                                const Gap(16),
                                const TextWidget(
                                  text: 'QR is a not valid OCBO e-Sign',
                                  bold: false,
                                  size: 14,
                                  color: Color.fromRGBO(206, 74, 77, 1),
                                ),
                              ],
                            ),
                          ],
                        ),
                    ],
                  ),
              ],
            ),
          ),
        ),
      ),
    );
  }
}