// Copyright 2018-present the Flutter authors. All Rights Reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

import 'package:flutter/material.dart';
import 'package:intl/intl.dart';
import 'package:scoped_model/scoped_model.dart';

import '../model/app_state_model.dart';
import '../model/product.dart';

class ProductCard extends StatelessWidget {
  ProductCard({this.imageAspectRatio: 33 / 49, this.product})
      : assert(imageAspectRatio == null || imageAspectRatio > 0);

  final double imageAspectRatio;
  final Product product;

  static final kTextBoxHeight = 65.0;

  @override
  Widget build(BuildContext context) {
    final NumberFormat formatter = NumberFormat.simpleCurrency(
        decimalDigits: 0, locale: Localizations.localeOf(context).toString());
    final ThemeData theme = Theme.of(context);

    final imageWidget = Image.asset(
      product.assetName,
      package: product.assetPackage,
      fit: BoxFit.cover,
    );

    return ScopedModelDescendant<AppStateModel>(
      builder: (context, child, model) => GestureDetector(
            onTap: () {
              model.addProductToCart(product.id);
              Scaffold.of(context).showSnackBar(SnackBar(
                    content:
                        Text('${product.name} has been added to your cart.'),
                  ));
            },
            child: child,
          ),
      child: Column(
        mainAxisAlignment: MainAxisAlignment.center,
        crossAxisAlignment: CrossAxisAlignment.center,
        children: <Widget>[
          AspectRatio(
            aspectRatio: imageAspectRatio,
            child: imageWidget,
          ),
          SizedBox(
            height: kTextBoxHeight * MediaQuery.of(context).textScaleFactor,
            width: 121.0,
            child: Column(
              mainAxisAlignment: MainAxisAlignment.end,
              crossAxisAlignment: CrossAxisAlignment.center,
              children: <Widget>[
                Text(
                  product == null ? '' : product.name,
                  style: theme.textTheme.button,
                  softWrap: false,
                  overflow: TextOverflow.ellipsis,
                  maxLines: 1,
                ),
                SizedBox(height: 4.0),
                Text(
                  product == null ? '' : formatter.format(product.price),
                  style: theme.textTheme.caption,
                ),
              ],
            ),
          ),
        ],
      ),
    );
  }
}