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

import 'package:gecko/globals.dart';
import 'package:flutter/material.dart';
import 'package:gecko/models/wallet_data.dart';
import 'package:gecko/models/widgets_keys.dart';
import 'package:gecko/providers/my_wallets.dart';
import 'package:gecko/providers/substrate_sdk.dart';
import 'package:gecko/providers/wallets_profiles.dart';
import 'package:gecko/widgets/commons/build_text.dart';
import 'package:pdf/pdf.dart';
import 'package:printing/printing.dart';
import 'package:provider/provider.dart';
import 'package:pdf/widgets.dart' as pw;

class ShowSeed extends StatelessWidget {
  const ShowSeed(
      {Key? keyMyWallets,
      required this.walletName,
      required this.walletProvider})
      : super(key: keyMyWallets);
  final String? walletName;
  final MyWalletsProvider walletProvider;

  @override
  Widget build(BuildContext context) {
    final myWalletProvider =
        Provider.of<MyWalletsProvider>(context, listen: false);
    final sub = Provider.of<SubstrateSdk>(context, listen: false);

    WalletData defaultWallet = myWalletProvider.getDefaultWallet();

    return Scaffold(
        backgroundColor: backgroundColor,
        appBar: AppBar(toolbarHeight: 60, title: Text('myMnemonic'.tr())),
        body: SafeArea(
          child: Column(children: <Widget>[
            const Spacer(flex: 1),
            FutureBuilder(
                future:
                    sub.getSeed(defaultWallet.address, walletProvider.pinCode),
                builder: (BuildContext context, AsyncSnapshot<String?> seed) {
                  if (seed.connectionState != ConnectionState.done ||
                      seed.hasError) {
                    return const SizedBox(
                      height: 15,
                      width: 15,
                      child: CircularProgressIndicator(
                        color: orangeC,
                        strokeWidth: 2,
                      ),
                    );
                  } else if (!seed.hasData) {
                    return const Text('');
                  }

                  return Row(
                      mainAxisAlignment: MainAxisAlignment.center,
                      children: [
                        Column(children: [
                          BuildText(
                              text: 'keepYourMnemonicSecret'.tr(), size: 17),
                          const SizedBox(height: 35),
                          sentanceArray(context, seed.data!.split(' ')),
                          const SizedBox(height: 20),
                          Row(
                            children: [
                              SizedBox(
                                height: 40,
                                child: ElevatedButton(
                                  style: ElevatedButton.styleFrom(
                                    foregroundColor: Colors.black,
                                    shape: RoundedRectangleBorder(
                                      borderRadius: BorderRadius.circular(8),
                                    ),
                                    backgroundColor: orangeC,
                                    elevation: 1, // foreground
                                  ),
                                  onPressed: () {
                                    Clipboard.setData(
                                        ClipboardData(text: seed.data!));
                                    snackCopySeed(context);
                                  },
                                  child: Row(children: <Widget>[
                                    Image.asset(
                                      'assets/walletOptions/copy-white.png',
                                      height: 25,
                                    ),
                                    const SizedBox(width: 7),
                                    Text(
                                      'copy'.tr(),
                                      style: TextStyle(
                                          fontSize: 15, color: Colors.grey[50]),
                                    )
                                  ]),
                                ),
                              ),
                              const SizedBox(width: 50),
                              GestureDetector(
                                onTap: () {
                                  Navigator.push(
                                    context,
                                    MaterialPageRoute(builder: (context) {
                                      return PrintWallet(seed.data);
                                    }),
                                  );
                                },
                                child: Image.asset(
                                  'assets/printer.png',
                                  height: 42,
                                ),
                              ),
                            ],
                          ),
                        ]),
                      ]);
                }),
            const Spacer(flex: 3),
            SizedBox(
              width: 370,
              height: 60,
              child: ElevatedButton(
                style: ElevatedButton.styleFrom(
                  foregroundColor: Colors.white, elevation: 4,
                  backgroundColor: orangeC, // foreground
                ),
                onPressed: () {
                  Navigator.pop(context);
                },
                child: Text(
                  'close'.tr(),
                  style: const TextStyle(
                      fontSize: 23, fontWeight: FontWeight.w600),
                ),
              ),
            ),
            const Spacer(flex: 2),
          ]),
        ));
  }

  Widget sentanceArray(BuildContext context, List mnemonic) {
    return Container(
        constraints: const BoxConstraints(maxWidth: 375),
        decoration: BoxDecoration(
            border: Border.all(color: Colors.black),
            color: const Color(0xffeeeedd),
            borderRadius: const BorderRadius.all(
              Radius.circular(10),
            )),
        padding: const EdgeInsets.all(15),
        child: Column(
            mainAxisAlignment: MainAxisAlignment.center,
            mainAxisSize: MainAxisSize.max,
            crossAxisAlignment: CrossAxisAlignment.center,
            children: <Widget>[
              Row(children: <Widget>[
                arrayCell(mnemonic[0], 1),
                arrayCell(mnemonic[1], 2),
                arrayCell(mnemonic[2], 3),
                arrayCell(mnemonic[3], 4),
              ]),
              const SizedBox(height: 15),
              Row(children: <Widget>[
                arrayCell(mnemonic[4], 5),
                arrayCell(mnemonic[5], 6),
                arrayCell(mnemonic[6], 7),
                arrayCell(mnemonic[7], 8),
              ]),
              const SizedBox(height: 15),
              Row(children: <Widget>[
                arrayCell(mnemonic[8], 9),
                arrayCell(mnemonic[9], 10),
                arrayCell(mnemonic[10], 11),
                arrayCell(mnemonic[11], 12),
              ]),
            ]));
  }

  Widget arrayCell(dataWord, int nbr) {
    log.d(nbr);

    return SizedBox(
      width: 85,
      child: Column(children: <Widget>[
        Text(
          nbr.toString(),
          style: const TextStyle(fontSize: 13, color: Color(0xff6b6b52)),
        ),
        Text(
          dataWord,
          key: keyMnemonicWord(dataWord),
          style: const TextStyle(fontSize: 17, color: Colors.black),
        ),
      ]),
    );
  }
}

class PrintWallet extends StatelessWidget {
  const PrintWallet(this.sentence, {Key? key}) : super(key: key);

  final String? sentence;

  @override
  Widget build(BuildContext context) {
    return MaterialApp(
      home: Scaffold(
        appBar: AppBar(
          leading: IconButton(
              icon: const Icon(Icons.arrow_back, color: Colors.black),
              onPressed: () {
                Navigator.pop(context);
              }),
          backgroundColor: yellowC,
          foregroundColor: Colors.black,
          toolbarHeight: 60,
          title: Text(
            'printMyMnemonic'.tr(),
            style: const TextStyle(fontWeight: FontWeight.w600),
          ),
        ),
        body: PdfPreview(
          canDebug: false,
          canChangeOrientation: false,
          build: (format) => printWallet(sentence!),
        ),
      ),
    );
  }

  Future<Uint8List> printWallet(String seed) async {
    final ByteData fontData =
        await rootBundle.load("assets/OpenSans-Regular.ttf");
    final pw.Font ttf = pw.Font.ttf(fontData.buffer.asByteData());
    final pdf = pw.Document();

    final seedList = seed.split(' ');

    const imageProvider = AssetImage('assets/icon/gecko_final.png');
    final geckoLogo = await flutterImageProvider(imageProvider);

    pw.Widget arrayCell(int number, String dataWord) {
      return pw.SizedBox(
        width: 120,
        height: 70,
        child: pw.Column(children: <pw.Widget>[
          pw.Text(
            number.toString(),
            style: pw.TextStyle(
                fontSize: 15, color: const PdfColor(0.5, 0, 0), font: ttf),
          ),
          pw.Text(
            dataWord,
            style: pw.TextStyle(
                fontSize: 20, color: const PdfColor(0, 0, 0), font: ttf),
          ),
          pw.SizedBox(height: 10)
        ]),
      );
    }

    pdf.addPage(
      pw.Page(
        pageFormat: PdfPageFormat.a4,
        build: (context) {
          return pw.Stack(children: <pw.Widget>[
            pw.Positioned(top: 217, child: pw.Text('-'.padRight(130, '-'))),
            pw.Positioned(bottom: 217, child: pw.Text('-'.padRight(130, '-'))),
            pw.Column(
              // mainAxisAlignment: pw.MainAxisAlignment.center,
              // mainAxisSize: pw.MainAxisSize.max,
              // crossAxisAlignment: pw.CrossAxisAlignment.center,
              children: <pw.Widget>[
                pw.SizedBox(height: 10),
                pw.Row(children: <pw.Widget>[
                  arrayCell(1, seedList[0]),
                  arrayCell(2, seedList[1]),
                  arrayCell(3, seedList[2]),
                  arrayCell(4, seedList[3]),
                ]),
                pw.Row(children: <pw.Widget>[
                  arrayCell(5, seedList[4]),
                  arrayCell(6, seedList[5]),
                  arrayCell(7, seedList[6]),
                  arrayCell(8, seedList[7]),
                ]),
                pw.Row(children: <pw.Widget>[
                  arrayCell(9, seedList[8]),
                  arrayCell(10, seedList[9]),
                  arrayCell(11, seedList[10]),
                  arrayCell(12, seedList[11])
                ]),
                pw.SizedBox(height: 105),
                pw.Image(geckoLogo, height: 80),
                pw.SizedBox(height: 205),
                pw.Text(
                  "keepThisPaperSafe".tr(),
                  textAlign: pw.TextAlign.center,
                  style: pw.TextStyle(fontSize: 15, font: ttf),
                )
              ],
            )
          ]);
        },
      ),
    );

    return pdf.save();
  }
}