prasule/lib/views/setup.dart

// ignore_for_file: inference_failure_on_function_invocation

import 'package:currency_picker/currency_picker.dart';
import 'package:flutter/material.dart';
import 'package:flutter/services.dart';
import 'package:flutter_gen/gen_l10n/app_localizations.dart';
import 'package:flutter_iconpicker/flutter_iconpicker.dart';
import 'package:introduction_screen/introduction_screen.dart';
import 'package:prasule/api/category.dart';
import 'package:prasule/api/wallet.dart';
import 'package:prasule/api/walletmanager.dart';
import 'package:prasule/pw/platformbutton.dart';
import 'package:prasule/pw/platformdialog.dart';
import 'package:prasule/pw/platformfield.dart';
import 'package:prasule/pw/platformroute.dart';
import 'package:prasule/views/home.dart';

/// View that shows on first-time setup
class SetupView extends StatefulWidget {
  /// View that shows on first-time setup
  const SetupView({super.key, this.newWallet = false});

  /// We are only creating a new wallet, no first-time setup
  final bool newWallet;
  @override
  State<SetupView> createState() => _SetupViewState();
}

class _SetupViewState extends State<SetupView> {
  var _selectedCurrency = Currency.from(
    json: {
      "code": "USD",
      "name": "United States Dollar",
      "symbol": r"$",
      "flag": "USD",
      "decimal_digits": 2,
      "number": 840,
      "name_plural": "US dollars",
      "thousands_separator": ",",
      "decimal_separator": ".",
      "space_between_amount_and_symbol": false,
      "symbol_on_left": true,
    },
  );
  List<WalletCategory> categories = <WalletCategory>[];
  String name = "";
  double balance = 0;

  @override
  void didChangeDependencies() {
    super.didChangeDependencies();
    if (categories.isEmpty) {
      categories = [
        WalletCategory(
          name: AppLocalizations.of(context).noCategory,
          id: 0,
          icon: IconData(
            Icons.payments.codePoint,
            fontFamily: 'MaterialIcons',
          ),
        ),
        WalletCategory(
          name: AppLocalizations.of(context).categoryHealth,
          id: 1,
          icon: IconData(
            Icons.medical_information.codePoint,
            fontFamily: 'MaterialIcons',
          ),
        ),
        WalletCategory(
          name: AppLocalizations.of(context).categoryCar,
          id: 2,
          icon:
              IconData(Icons.car_repair.codePoint, fontFamily: 'MaterialIcons'),
        ),
        WalletCategory(
          name: AppLocalizations.of(context).categoryFood,
          id: 3,
          icon:
              IconData(Icons.restaurant.codePoint, fontFamily: 'MaterialIcons'),
        ),
        WalletCategory(
          name: AppLocalizations.of(context).categoryTravel,
          id: 4,
          icon: IconData(Icons.train.codePoint, fontFamily: 'MaterialIcons'),
        ),
      ];
      setState(() {});
    }
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      body: Center(
        child: SizedBox(
          width: MediaQuery.of(context).size.width,
          height: MediaQuery.of(context).size.height,
          child: IntroductionScreen(
            dotsDecorator: DotsDecorator(
              activeColor: Theme.of(context).colorScheme.primary,
            ),
            showBackButton: true,
            next: Text(AppLocalizations.of(context).next),
            back: Text(AppLocalizations.of(context).back),
            done: Text(AppLocalizations.of(context).finish),
            onDone: () {
              if (name.isEmpty) {
                ScaffoldMessenger.of(context)
                    .clearSnackBars(); // TODO: iOS replacement
                ScaffoldMessenger.of(context).showSnackBar(
                  SnackBar(
                    content: Text(AppLocalizations.of(context).errorEmptyName),
                  ),
                );
                return;
              }
              final wallet = Wallet(
                name: name,
                currency: _selectedCurrency,
                categories: categories,
              );
              WalletManager.saveWallet(wallet).then(
                (value) {
                  if (!value) {
                    ScaffoldMessenger.of(context).clearSnackBars();
                    ScaffoldMessenger.of(context).showSnackBar(
                      SnackBar(
                        content:
                            Text(AppLocalizations.of(context).walletExists),
                      ),
                    );
                    return;
                  }
                  if (widget.newWallet) {
                    Navigator.of(context).pop();
                    return;
                  }
                  Navigator.of(context).pushReplacement(
                    platformRoute(
                      (c) => const HomeView(),
                    ),
                  );
                },
              );
            },
            pages: [
              PageViewModel(
                decoration:
                    const PageDecoration(bodyAlignment: Alignment.center),
                titleWidget: Padding(
                  padding: const EdgeInsets.all(8),
                  child: Text(
                    AppLocalizations.of(context).welcome,
                    style: const TextStyle(
                      fontSize: 24,
                      fontWeight: FontWeight.bold,
                    ),
                    textAlign: TextAlign.center,
                  ),
                ),
                bodyWidget: Column(
                  mainAxisAlignment: MainAxisAlignment.center,
                  mainAxisSize: MainAxisSize.min,
                  children: [
                    if (!widget.newWallet)
                      Flexible(
                        child: Text(
                          AppLocalizations.of(context).welcomeAboutPrasule,
                        ),
                      ),
                    if (!widget.newWallet)
                      const SizedBox(
                        height: 5,
                      ),
                    Flexible(
                      child: Text(
                        AppLocalizations.of(context).welcomeInstruction,
                      ),
                    ),
                  ],
                ),
              ),
              PageViewModel(
                decoration:
                    const PageDecoration(bodyAlignment: Alignment.center),
                titleWidget: Padding(
                  padding: const EdgeInsets.all(8),
                  child: Text(
                    AppLocalizations.of(context).setupWalletNameCurrency,
                    textAlign: TextAlign.center,
                    style: const TextStyle(
                      fontSize: 24,
                      fontWeight: FontWeight.bold,
                    ),
                  ),
                ),
                bodyWidget: Column(
                  mainAxisAlignment: MainAxisAlignment.center,
                  children: [
                    SizedBox(
                      width: MediaQuery.of(context).size.width * 0.7,
                      child: PlatformField(
                        labelText:
                            AppLocalizations.of(context).setupNamePlaceholder,
                        onChanged: (t) {
                          name = t;
                        },
                      ),
                    ),
                    const SizedBox(
                      height: 5,
                    ),
                    PlatformButton(
                      text: AppLocalizations.of(context)
                          .setupCurrency(_selectedCurrency.code),
                      onPressed: () {
                        showCurrencyPicker(
                          context: context,
                          onSelect: (currency) {
                            _selectedCurrency = currency;
                            setState(() {});
                          },
                        );
                      },
                    ),
                    const SizedBox(
                      height: 5,
                    ),
                    SizedBox(
                      width: MediaQuery.of(context).size.width * 0.7,
                      child: PlatformField(
                        labelText:
                            AppLocalizations.of(context).setupStartingBalance,
                        keyboardType: const TextInputType.numberWithOptions(
                          decimal: true,
                        ),
                        inputFormatters: [
                          FilteringTextInputFormatter.allow(
                            RegExp(r'\d+[\.,]{0,1}\d{0,}'),
                          ),
                        ],
                        onChanged: (t) {
                          balance = double.parse(t);
                        },
                      ),
                    ),
                  ],
                ),
              ),
              PageViewModel(
                decoration:
                    const PageDecoration(bodyAlignment: Alignment.center),
                titleWidget: Padding(
                  padding: const EdgeInsets.all(8),
                  child: Text(
                    AppLocalizations.of(context).setupCategoriesHeading,
                    textAlign: TextAlign.center,
                    style: const TextStyle(
                      fontSize: 24,
                      fontWeight: FontWeight.bold,
                    ),
                  ),
                ),
                bodyWidget: Column(
                  mainAxisAlignment: MainAxisAlignment.center,
                  children: [
                    Text(
                      AppLocalizations.of(context).setupCategoriesEditHint,
                      textAlign: TextAlign.center,
                    ),
                    SizedBox(
                      height: MediaQuery.of(context).size.height * 0.64,
                      child: ListView.builder(
                        shrinkWrap: true,
                        itemBuilder: (context, i) => (i == 0)
                            ? const SizedBox()
                            : ListTile(
                                leading: GestureDetector(
                                  onTap: () async {
                                    final icon =
                                        await FlutterIconPicker.showIconPicker(
                                      context,
                                    );
                                    if (icon == null) return;
                                    categories[i].icon = icon;
                                    setState(() {});
                                  },
                                  child: Container(
                                    decoration: BoxDecoration(
                                      borderRadius: BorderRadius.circular(16),
                                      color: Theme.of(context)
                                          .colorScheme
                                          .secondary,
                                    ),
                                    child: Padding(
                                      padding: const EdgeInsets.all(8),
                                      child: Icon(
                                        categories[i].icon,
                                        color: Theme.of(context)
                                            .colorScheme
                                            .onSecondary,
                                      ),
                                    ),
                                  ),
                                ),
                                trailing: IconButton(
                                  icon: const Icon(Icons.cancel),
                                  onPressed: () {
                                    categories.removeAt(i);
                                    setState(() {});
                                  },
                                ),
                                title: GestureDetector(
                                  onTap: () {
                                    final controller = TextEditingController(
                                      text: categories[i].name,
                                    );
                                    showDialog(
                                      context: context,
                                      builder: (c) => PlatformDialog(
                                        actions: [
                                          TextButton(
                                            onPressed: () {
                                              if (controller.text.isEmpty)
                                                return;
                                              categories[i].name =
                                                  controller.text;
                                              Navigator.of(context).pop();
                                            },
                                            child: Text(
                                              AppLocalizations.of(context).ok,
                                            ),
                                          ),
                                          TextButton(
                                            onPressed: () {
                                              Navigator.of(context).pop();
                                            },
                                            child: Text(
                                              AppLocalizations.of(context)
                                                  .cancel,
                                            ),
                                          ),
                                        ],
                                        title: AppLocalizations.of(context)
                                            .setupCategoriesEditingName,
                                        content: SizedBox(
                                          width: 400,
                                          child: PlatformField(
                                              controller: controller),
                                        ),
                                      ),
                                    );
                                  },
                                  child: Text(
                                    categories[i].name,
                                    style: const TextStyle(
                                        fontWeight: FontWeight.bold),
                                  ),
                                ),
                              ),
                        itemCount: categories.length,
                      ),
                    ),
                    IconButton(
                      onPressed: () {
                        var id = 0;
                        while (categories
                            .where((element) => element.id == id)
                            .isNotEmpty) {
                          id++; // create unique ID
                        }
                        categories.add(
                          WalletCategory(
                            name: AppLocalizations.of(context)
                                .setupWalletNamePlaceholder,
                            id: id,
                            icon: IconData(
                              Icons.question_mark.codePoint,
                              fontFamily: 'MaterialIcons',
                            ),
                          ),
                        );
                        setState(() {});
                      },
                      icon: const Icon(Icons.add),
                    ),
                  ],
                ),
              ),
            ],
          ),
        ),
      ),
    );
  }
}