stack_wallet/lib/pages/receive_view/addresses/address_card.dart

/* 
 * This file is part of Stack Wallet.
 * 
 * Copyright (c) 2023 Cypher Stack
 * All Rights Reserved.
 * The code is distributed under GPLv3 license, see LICENSE file for details.
 * Generated by Cypher Stack on 2023-05-26
 *
 */

import 'dart:async';
import 'dart:io';
import 'dart:ui' as ui;

import 'package:file_picker/file_picker.dart';
import 'package:flutter/material.dart';
import 'package:flutter/rendering.dart';
import 'package:flutter/services.dart';
import 'package:flutter_riverpod/flutter_riverpod.dart';
import 'package:flutter_svg/flutter_svg.dart';
import 'package:isar/isar.dart';
import 'package:path_provider/path_provider.dart';
import 'package:share_plus/share_plus.dart';

import '../../../db/isar/main_db.dart';
import '../../../models/isar/models/isar_models.dart';
import '../../../notifications/show_flush_bar.dart';
import '../../../themes/coin_icon_provider.dart';
import '../../../themes/stack_colors.dart';
import '../../../utilities/address_utils.dart';
import '../../../utilities/assets.dart';
import '../../../utilities/clipboard_interface.dart';
import '../../../utilities/text_styles.dart';
import '../../../utilities/util.dart';
import '../../../wallets/crypto_currency/crypto_currency.dart';
import '../../../widgets/conditional_parent.dart';
import '../../../widgets/custom_buttons/blue_text_button.dart';
import '../../../widgets/custom_buttons/simple_edit_button.dart';
import '../../../widgets/desktop/primary_button.dart';
import '../../../widgets/desktop/secondary_button.dart';
import '../../../widgets/qr.dart';
import '../../../widgets/rounded_white_container.dart';
import '../../../widgets/stack_dialog.dart';

class AddressCard extends ConsumerStatefulWidget {
  const AddressCard({
    super.key,
    required this.addressId,
    required this.walletId,
    required this.coin,
    this.onPressed,
    this.clipboard = const ClipboardWrapper(),
  });

  final int addressId;
  final String walletId;
  final CryptoCurrency coin;
  final ClipboardInterface clipboard;
  final VoidCallback? onPressed;

  @override
  ConsumerState<AddressCard> createState() => _AddressCardState();
}

class _AddressCardState extends ConsumerState<AddressCard> {
  final _qrKey = GlobalKey();
  final isDesktop = Util.isDesktop;

  late Stream<AddressLabel?> stream;
  late final Address address;

  AddressLabel? label;

  Future<void> _capturePng(bool shouldSaveInsteadOfShare) async {
    try {
      final RenderRepaintBoundary boundary =
          _qrKey.currentContext?.findRenderObject() as RenderRepaintBoundary;
      final ui.Image image = await boundary.toImage();
      final ByteData? byteData =
          await image.toByteData(format: ui.ImageByteFormat.png);
      final Uint8List pngBytes = byteData!.buffer.asUint8List();

      if (shouldSaveInsteadOfShare) {
        if (Util.isDesktop) {
          final dir = Directory("${Platform.environment['HOME']}");
          if (!dir.existsSync()) {
            throw Exception(
              "Home dir not found while trying to open filepicker on QR image save",
            );
          }
          final path = await FilePicker.platform.saveFile(
            fileName: "qrcode.png",
            initialDirectory: dir.path,
          );

          if (path != null) {
            final file = File(path);
            if (file.existsSync()) {
              if (mounted) {
                unawaited(
                  showFloatingFlushBar(
                    type: FlushBarType.warning,
                    message: "$path already exists!",
                    context: context,
                  ),
                );
              }
            } else {
              await file.writeAsBytes(pngBytes);
              if (mounted) {
                unawaited(
                  showFloatingFlushBar(
                    type: FlushBarType.success,
                    message: "$path saved!",
                    context: context,
                  ),
                );
              }
            }
          }
        } else {
          //   await DocumentFileSavePlus.saveFile(
          //       pngBytes,
          //       "receive_qr_code_${DateTime.now().toLocal().toIso8601String()}.png",
          //       "image/png");
        }
      } else {
        final tempDir = await getTemporaryDirectory();
        final file = await File("${tempDir.path}/qrcode.png").create();
        await file.writeAsBytes(pngBytes);

        await Share.shareFiles(
          ["${tempDir.path}/qrcode.png"],
          text: "Receive URI QR Code",
        );
      }
    } catch (e) {
      //todo: comeback to this
      debugPrint(e.toString());
    }
  }

  @override
  void initState() {
    address = MainDB.instance.isar.addresses
        .where()
        .idEqualTo(widget.addressId)
        .findFirstSync()!;

    label = MainDB.instance.getAddressLabelSync(widget.walletId, address.value);
    Id? id = label?.id;
    if (id == null) {
      label = AddressLabel(
        walletId: widget.walletId,
        addressString: address.value,
        value: "",
        tags: address.subType == AddressSubType.receiving
            ? ["receiving"]
            : address.subType == AddressSubType.change
                ? ["change"]
                : null,
      );
      id = MainDB.instance.putAddressLabelSync(label!);
    }
    stream = MainDB.instance.watchAddressLabel(id: id);

    super.initState();
  }

  @override
  Widget build(BuildContext context) {
    return RoundedWhiteContainer(
      onPressed: widget.onPressed,
      child: StreamBuilder<AddressLabel?>(
        stream: stream,
        builder: (context, snapshot) {
          if (snapshot.hasData) {
            label = snapshot.data!;
          }

          return ConditionalParent(
            condition: isDesktop,
            builder: (child) => Row(
              crossAxisAlignment: CrossAxisAlignment.start,
              children: [
                SvgPicture.file(
                  File(
                    ref.watch(
                      coinIconProvider(widget.coin),
                    ),
                  ),
                  width: 32,
                  height: 32,
                ),
                const SizedBox(
                  width: 12,
                ),
                Expanded(
                  child: child,
                ),
              ],
            ),
            child: Column(
              crossAxisAlignment: CrossAxisAlignment.start,
              children: [
                Row(
                  mainAxisAlignment: MainAxisAlignment.spaceBetween,
                  children: [
                    Text(
                      label!.value.isNotEmpty ? label!.value : "No label",
                      style: STextStyles.itemSubtitle(context),
                      textAlign: TextAlign.left,
                    ),
                    SimpleEditButton(
                      editValue: label!.value,
                      editLabel: 'label',
                      overrideTitle: 'Edit label',
                      disableIcon: true,
                      onValueChanged: (value) {
                        MainDB.instance.putAddressLabel(
                          label!.copyWith(
                            label: value,
                          ),
                        );
                      },
                    ),
                  ],
                ),
                SizedBox(
                  height: isDesktop ? 2 : 8,
                ),
                Row(
                  children: [
                    Expanded(
                      child: Text(
                        address.value,
                        style: STextStyles.itemSubtitle12(context),
                      ),
                    ),
                  ],
                ),
                const SizedBox(
                  height: 10,
                ),
                Row(
                  children: [
                    CustomTextButton(
                      text: "Copy address",
                      onTap: () {
                        widget.clipboard
                            .setData(
                          ClipboardData(
                            text: address.value,
                          ),
                        )
                            .then((value) {
                          if (context.mounted) {
                            unawaited(
                              showFloatingFlushBar(
                                type: FlushBarType.info,
                                message: "Copied to clipboard",
                                context: context,
                              ),
                            );
                          }
                        });
                      },
                    ),
                    const SizedBox(
                      width: 16,
                    ),
                    CustomTextButton(
                      text: "Show QR code",
                      onTap: () async {
                        await showDialog<void>(
                          context: context,
                          builder: (_) {
                            return StackDialogBase(
                              child: Column(
                                children: [
                                  if (label!.value.isNotEmpty)
                                    Text(
                                      label!.value,
                                      style: STextStyles.w600_18(context),
                                    ),
                                  if (label!.value.isNotEmpty)
                                    const SizedBox(
                                      height: 8,
                                    ),
                                  Text(
                                    address.value,
                                    style:
                                        STextStyles.w500_16(context).copyWith(
                                      color: Theme.of(context)
                                          .extension<StackColors>()!
                                          .textSubtitle1,
                                    ),
                                  ),
                                  const SizedBox(
                                    height: 16,
                                  ),
                                  Center(
                                    child: RepaintBoundary(
                                      key: _qrKey,
                                      child: QR(
                                        data: AddressUtils.buildUriString(
                                          widget.coin,
                                          address.value,
                                          {},
                                        ),
                                        size: 220,
                                      ),
                                    ),
                                  ),
                                  const SizedBox(
                                    height: 16,
                                  ),
                                  Row(
                                    children: [
                                      if (!isDesktop)
                                        Expanded(
                                          child: SecondaryButton(
                                            label: "Share",
                                            buttonHeight: isDesktop
                                                ? ButtonHeight.l
                                                : null,
                                            icon: SvgPicture.asset(
                                              Assets.svg.share,
                                              width: 14,
                                              height: 14,
                                              color: Theme.of(context)
                                                  .extension<StackColors>()!
                                                  .buttonTextSecondary,
                                            ),
                                            onPressed: () async {
                                              await _capturePng(false);
                                            },
                                          ),
                                        ),
                                      if (isDesktop)
                                        Expanded(
                                          child: PrimaryButton(
                                            buttonHeight: isDesktop
                                                ? ButtonHeight.l
                                                : null,
                                            onPressed: () async {
                                              // TODO: add save functionality instead of share
                                              // save works on linux at the moment
                                              await _capturePng(true);
                                            },
                                            label: "Save",
                                            icon: SvgPicture.asset(
                                              Assets.svg.arrowDown,
                                              width: 20,
                                              height: 20,
                                              color: Theme.of(context)
                                                  .extension<StackColors>()!
                                                  .buttonTextPrimary,
                                            ),
                                          ),
                                        ),
                                    ],
                                  ),
                                ],
                              ),
                            );
                          },
                        );
                      },
                    ),
                  ],
                ),
                // if (label!.tags != null && label!.tags!.isNotEmpty)
                //   Wrap(
                //     spacing: 10,
                //     runSpacing: 10,
                //     children: label!.tags!
                //         .map(
                //           (e) => AddressTag(
                //             tag: e,
                //           ),
                //         )
                //         .toList(),
                //   ),
              ],
            ),
          );
        },
      ),
    );
  }
}