Seshat/lib/ui/add_page/widgets/confirmation_popup.dart

import 'package:flutter/material.dart';
import 'package:seshat/domain/models/book.dart';
import 'package:seshat/ui/add_page/view_model/add_view_model.dart';
import 'package:seshat/utils/result.dart';

class ConfirmationPopup extends StatefulWidget {
  const ConfirmationPopup({
    super.key,
    required this.exitPopup,
    required this.viewModel,
    required this.book,
  });

  final Function(BuildContext) exitPopup;
  final AddViewModel viewModel;
  final Book book;

  @override
  State<ConfirmationPopup> createState() => _ConfirmationPopupState();
}

class _ConfirmationPopupState extends State<ConfirmationPopup> {
  final GlobalKey<FormState> _formKey = GlobalKey<FormState>();
  double price = 0;

  @override
  Widget build(BuildContext context) {
    final theme = Theme.of(context);

    return AlertDialog(
      title: Text("Prix"),
      content: Form(
        key: _formKey,
        child: SingleChildScrollView(
          child: Column(
            mainAxisSize: MainAxisSize.min,
            crossAxisAlignment: CrossAxisAlignment.stretch,
            children: [
              RichText(
                text: TextSpan(
                  style: theme.textTheme.bodyMedium,
                  children: [
                    TextSpan(
                      text: "Titre : ",
                      style: TextStyle(fontWeight: FontWeight.bold),
                    ),
                    TextSpan(text: widget.book.title),
                  ],
                ),
              ),
              RichText(
                text: TextSpan(
                  style: theme.textTheme.bodyMedium,
                  children: [
                    TextSpan(
                      text: "Auteur·ice : ",
                      style: TextStyle(fontWeight: FontWeight.bold),
                    ),
                    TextSpan(text: widget.book.author),
                  ],
                ),
              ),
              RichText(
                text: TextSpan(
                  style: theme.textTheme.bodyMedium,
                  children: [
                    TextSpan(
                      text: "Prix à neuf : ",
                      style: TextStyle(fontWeight: FontWeight.bold),
                    ),
                    TextSpan(text: widget.book.priceNew.replaceAll("EUR", "€")),
                  ],
                ),
              ),

              SizedBox(height: 10),
              (widget.viewModel.askPrice)
                  ? TextFormField(
                      decoration: InputDecoration(
                        labelText: "Prix",
                        border: OutlineInputBorder(),
                        suffixText: "€",
                      ),
                      keyboardType: TextInputType.numberWithOptions(
                        decimal: true,
                        signed: true,
                      ),
                      validator: (value) {
                        if (value == null || value.isEmpty) {
                          return "Indiquez un prix";
                        } else if (double.tryParse(
                              value.replaceAll(",", "."),
                            ) ==
                            null) {
                          return "Le prix doit être un nombre";
                        } else if (double.parse(value.replaceAll(",", ".")) <
                            0) {
                          return "Le prix doit être positif ou nul";
                        }
                        return null;
                      },
                      onSaved: (newValue) {
                        price = double.parse(
                          newValue?.replaceAll(",", ".") ?? "0",
                        );
                      },
                    )
                  : SizedBox(),
            ],
          ),
        ),
      ),
      actions: [
        TextButton(
          child: Text("Annuler"),
          onPressed: () {
            ScaffoldMessenger.of(context).showSnackBar(
              SnackBar(
                content: Text("Le livre n'a pas été enregistré"),
                behavior: SnackBarBehavior.floating,
              ),
            );
            widget.exitPopup(context);
          },
        ),
        TextButton(
          child: Text("Valider"),
          onPressed: () async {
            if (widget.viewModel.askPrice &&
                _formKey.currentState!.validate()) {
              _formKey.currentState!.save();
            } else {
              return;
            }

            var result = await widget.viewModel.sendNewBookInstance(
              widget.book,
              widget.viewModel.currentOwner!,
              widget.viewModel.ongoingBal!,
              price,
            );

            switch (result) {
              case Ok():
                if (context.mounted) {
                  Navigator.of(context).pop();
                  showDialog(
                    context: context,
                    barrierDismissible: false,
                    builder: (context) =>
                        RegisteredBookPopup(widget: widget, price: price),
                  );
                }
                break;
              case Error():
                if (context.mounted) {
                  ScaffoldMessenger.of(context).showSnackBar(
                    SnackBar(content: Text("Erreur : ${result.error}")),
                  );
                }
            }
          },
        ),
      ],
    );
  }
}

class RegisteredBookPopup extends StatelessWidget {
  const RegisteredBookPopup({
    super.key,
    required this.widget,
    required this.price,
  });

  final ConfirmationPopup widget;
  final double price;

  @override
  Widget build(BuildContext context) {
    return AlertDialog(
      // This thing is the BookInstance's short ID
      title: Text(
        "ID : ${widget.viewModel.currentOwner!.firstName[0].toUpperCase()}${widget.viewModel.currentOwner!.lastName[0].toUpperCase()}${(price == 0) ? "PL" : price.toString()}",
      ),
      content: Text(
        (widget.viewModel.currentOwner!.id == widget.viewModel.ownerOfUser!.id)
            ? "Pensez à la gomette ! Ce livre appartient au syndicat."
            : "Identifiant propriétaire de ce livre. Pensez à l'écrire pour retrouver lae propriétaire du livre lors de la vente ou du retour !",
      ),
      actions: [
        TextButton(
          child: Text("Ok"),
          onPressed: () {
            widget.exitPopup(context);
            ScaffoldMessenger.of(context).showSnackBar(
              SnackBar(
                content: Text("Livre enregistré: ${widget.book.title}"),
                behavior: SnackBarBehavior.floating,
                duration: Duration(seconds: 2),
              ),
            );
          },
        ),
      ],
    );
  }
}