import 'package:flutter/material.dart';
import 'package:logger/logger.dart';
import 'package:satu/core/models/dialog_models.dart';
import 'package:satu/core/models/dictionary/category/category_response.dart';
import 'package:satu/core/models/dictionary/good/good_response_entity.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/core/utils/utils_parse.dart';
import 'package:satu/routes/route_names.dart';
import 'package:satu/shared/ui_helpers.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';

class GoodEdit extends StatefulWidget {
  const GoodEdit({
    required this.good,
    Key? key,
  }) : super(key: key);
  final GoodResponseEntity 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 _controllerArticle;
  late TextEditingController _controllerName;

  late TextEditingController _controllerPrice;
  late TextEditingController _controllerOptPrice;
  late TextEditingController _controllerBasePrice;
  late TextEditingController _controllerEan;
  late TextEditingController _controllerDescription;

  bool isDivisible = false;

  String? parentCategoryName;
  int? parentCategoryId;

  @override
  void initState() {
    super.initState();
    if (widget.good.categoryId != null) {
      parentCategoryId = widget.good.categoryId;
      parentCategoryName = widget.good.categoryName;
    }
    _controllerArticle =
        TextEditingController(text: widget.good.articul?.toString() ?? '');
    _controllerName = TextEditingController(text: widget.good.name);
    _controllerPrice = TextEditingController(
        text:
            widget.good.price != null ? formatDecimal(widget.good.price!) : '');
    _controllerOptPrice = TextEditingController(
        text: widget.good.optPrice != null
            ? formatDecimal(widget.good.optPrice!)
            : '');
    _controllerBasePrice = TextEditingController(
        text: widget.good.basePrice != null
            ? formatDecimal(widget.good.basePrice!)
            : '');
    _controllerEan = TextEditingController(text: widget.good.ean13);
    _controllerDescription =
        TextEditingController(text: widget.good.description);
  }

  @override
  void dispose() {
    _controllerArticle.dispose();
    _controllerName.dispose();
    _controllerPrice.dispose();
    _controllerOptPrice.dispose();
    _controllerBasePrice.dispose();
    _controllerEan.dispose();
    _controllerDescription.dispose();
    super.dispose();
  }

  void save() async {
    GoodResponseEntity good = widget.good;
    good.name = _controllerName.text;
    good.price = parseNumeric(_controllerPrice.text);
    good.optPrice = parseNumeric(_controllerOptPrice.text);
    good.basePrice = parseNumeric(_controllerBasePrice.text);
    good.ean13 = _controllerEan.text;
    good.description = _controllerDescription.text;
    good.categoryId = parentCategoryId;
    String? message = await _dictionaryService.saveGood(good);
    if (message != null) {
      _dialogService.showDialog(description: message);
    } else {
      _navigatorService.pop(true);
    }
  }

  void delete() async {
    GoodResponseEntity good = widget.good;
    String? message = await _dictionaryService.deleteGood(good);
    if (message != null) {
      _dialogService.showDialog(description: message);
    } else {
      _navigatorService.pop(true);
    }
  }

  @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: _controllerArticle,
              labelText: 'Номенклатурный номер',
              placeholder: 'Не присвоен',
            ),
            LineTile(
              parentCategoryName ?? '',
              onTap: selectCategory,
              labelText: 'Категория',
              placeholder: 'Выберите категорию',
            ),
            verticalSpaceSmall,
            InputField(
              controller: _controllerName,
              labelText: 'Наименование',
              placeholder: 'Введите наименование товара',
              enterPressed: (){
                FocusManager.instance.primaryFocus?.unfocus();
              },
              textInputAction: TextInputAction.done,
            ),
            InputField(
              controller: _controllerPrice,
              labelText: 'Розничная цена',
              placeholder: 'Введите розничную цену',
              suffixText: '₸',
              textInputType:
                  const TextInputType.numberWithOptions(decimal: true),
              enterPressed: (){
                FocusManager.instance.primaryFocus?.unfocus();
              },
              textInputAction: TextInputAction.done,
            ),
            InputField(
              controller: _controllerOptPrice,
              labelText: 'Оптовая цена',
              placeholder: 'Введите оптовую цену',
              suffixText: '₸',
              textInputType:
                  const TextInputType.numberWithOptions(decimal: true),
              enterPressed: (){
                FocusManager.instance.primaryFocus?.unfocus();
              },
              textInputAction: TextInputAction.done,
            ),
            InputField(
              controller: _controllerBasePrice,
              labelText:
                  'Закупочная цена для автоматически пополняемого товара',
              placeholder: 'Введите закупочную цену',
              suffixText: '₸',
              textInputType:
                  const TextInputType.numberWithOptions(decimal: true),
              enterPressed: (){
                FocusManager.instance.primaryFocus?.unfocus();
              },
              textInputAction: TextInputAction.done,
            ),
            InputField(
              controller: _controllerEan,
              labelText: 'EAN Штрих-код',
              placeholder: 'Введите EAN',
                textInputType:
                const TextInputType.numberWithOptions(decimal: false),
              enterPressed: (){
                FocusManager.instance.primaryFocus?.unfocus();
              },
              textInputAction: TextInputAction.done,
            ),
            InputField(
              controller: _controllerDescription,
              labelText: 'Описание',
              placeholder: 'Введите описание товара',
              multiline: true,
              textInputType: TextInputType.multiline,
              enterPressed: (){
                FocusManager.instance.primaryFocus?.unfocus();
              },
              textInputAction: TextInputAction.done,
            ),
            Padding(
              padding:
                  const EdgeInsets.symmetric(horizontal: 45.0, vertical: 20.0),
              child: BusyButton(title: 'СОХРАНИТЬ', onPressed: () {
                save();
              }),
            ),
            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');

                    if(response.confirmed){
                      delete();
                    }
                  },
                  isDanger: true,
                ),
              ),
          ],
        ),
      ),
    );
  }

  Future<void> selectCategory() async {
    final dynamic result =
        await _navigatorService.push(categorySelectViewRoute);
    CategoryResponse? category = result as CategoryResponse?;
    setState(() {
      parentCategoryId = category?.id;
      parentCategoryName = category?.name;
    });
  }
}