import 'package:flutter/material.dart';
import 'package:logger/logger.dart';
import 'package:satu/core/entity/category_entity.dart';
import 'package:satu/core/models/dialog_models.dart';
import 'package:satu/core/models/dictionary/category_row_data.dart';
import 'package:satu/core/models/dictionary/good_row_data.dart';
import 'package:satu/core/services/dialog_service.dart';
import 'package:satu/core/services/dictionary_service.dart';
import 'package:satu/core/services/navigator_service.dart';
import 'package:satu/core/utils/locator.dart';
import 'package:satu/core/utils/logger.dart';
import 'package:satu/routes/route_names.dart';
import 'package:satu/shared/ui_helpers.dart';
import 'package:satu/views/dictionaries/category/category_view.dart';
import 'package:satu/widgets/bar/products_app_bar.dart';
import 'package:satu/widgets/buttons/busy_button.dart';
import 'package:satu/widgets/fields/input_field.dart';
import 'package:satu/widgets/fields/line_tile.dart';
import 'package:satu/widgets/fields/note_text.dart';

class GoodEdit extends StatefulWidget {
  const GoodEdit({
    required this.good,
    Key? key,
  }) : super(key: key);
  final GoodRowDao good;

  @override
  _GoodEditState createState() => _GoodEditState();
}

class _GoodEditState extends State<GoodEdit> {
  final NavigatorService _navigatorService = locator<NavigatorService>();
  final DictionaryService _dictionaryService = locator<DictionaryService>();
  final DialogService _dialogService = locator<DialogService>();
  final Logger log = getLogger('_GoodEditState');
  late TextEditingController _controller;

  String parentCategoryName = '';
  int? parentCategoryId;

  @override
  void initState() {
    super.initState();
    if (widget.good.categoryId != null) {
      parentCategoryId = widget.good.categoryId;
    }
    _controller = TextEditingController(text: widget.good.name);

    getAndStateCategoryName(parentCategoryId);
  }

  @override
  void dispose() {
    _controller.dispose();
    super.dispose();
  }

  Future<void> getAndStateCategoryName(int? id) async {
    String name = '';
    if (id == null) {
    } else if (id == 0) {
      name = 'Корневая категория';
    } else {
      final Category? category = await _dictionaryService.getCategoryById(id);
      if (category != null) {
        name = category.name;
      }
    }
    setState(() {
      parentCategoryName = name;
      parentCategoryId = id;
    });
  }

  @override
  Widget build(BuildContext context) {
    return Scaffold(
      appBar: ProductsAppBar(
        title: widget.good.id == null
            ? 'Создание товара'
            : 'Редактирование товара',
      ),
      body: SingleChildScrollView(
        physics: const BouncingScrollPhysics(),
        child: Column(
          crossAxisAlignment: CrossAxisAlignment.start,
          children: [
            verticalSpaceSmall,
            InputField(
              isReadOnly: true,
              controller: _controller,
              labelText: 'Номенклатурный номер',
              placeholder: 'Не присвоен',
            ),
            LineTile(
              parentCategoryName,
              onTap: selectCategory,
              labelText: 'Категория',
              placeholder: 'Выберите категорию',
            ),
            verticalSpaceSmall,
            InputField(
              controller: _controller,
              labelText: 'Наименование',
              placeholder: 'Введите наименование товара',
            ),
            InputField(
              controller: _controller,
              labelText: 'Розничная цена',
              placeholder: 'Введите розничную цену',
            ),
            InputField(
              controller: _controller,
              labelText: 'Оптовая цена',
              placeholder: 'Введите оптовую цену',
            ),
            InputField(
              controller: _controller,
              labelText:
                  'Закупочная цена для автоматически пополняемого товара',
              placeholder: 'Введите закупочную цену',
            ),
            InputField(
              controller: _controller,
              labelText: 'EAN Штрих-код',
              placeholder: 'Введите EAN',
            ),
            InputField(
              controller: _controller,
              labelText: 'Наименование',
              placeholder: 'Введите наименование товара',
            ),
            Padding(
              padding:
                  const EdgeInsets.symmetric(horizontal: 45.0, vertical: 20.0),
              child: BusyButton(title: 'СОХРАНИТЬ', onPressed: () {}),
            ),
            if (widget.good.id != null)
              Padding(
                padding: const EdgeInsets.symmetric(
                    horizontal: 45.0, vertical: 20.0),
                child: BusyButton(
                  title: 'УДАЛИТЬ',
                  onPressed: () async {
                    DialogResponse response =
                        await _dialogService.showConfirmationDialog(
                            title: 'Внимание',
                            description:
                                'Вы уверены, что хотите удалить категорию?',
                            confirmationTitle: 'Удалить',
                            cancelTitle: 'Отмена');

                    return response.confirmed;
                  },
                  isDanger: true,
                ),
              ),
          ],
        ),
      ),
    );
  }

  Future<void> selectCategory() async {
    final dynamic result =
        await _navigatorService.push(categorySelectViewRoute);
    if (result != null) {
      getAndStateCategoryName(result as int);
    }
  }
}