h4-projekt-gruppe-0-sm/mobile/lib/pages/cart_page.dart

import 'package:flutter/material.dart';
import 'package:mobile/pages/finish_shopping_page.dart';
import 'package:mobile/repos/cart.dart';
import 'package:mobile/widgets/primary_button.dart';
import 'package:mobile/widgets/primary_card.dart';
import 'package:provider/provider.dart';

class CartItemView extends StatelessWidget {
  final CartRepo cartRepo;
  final int productId;
  final String name;
  final int price;
  final String imagePath;
  final int amount;

  const CartItemView(
      {super.key,
      required this.cartRepo,
      required this.productId,
      required this.name,
      required this.price,
      required this.imagePath,
      required this.amount});

  @override
  Widget build(BuildContext context) {
    return PrimaryCard(
      child: Row(
        children: [
          Expanded(
            child: Container(
                padding: const EdgeInsets.all(10),
                child: Row(
                  children: [
                    Expanded(
                      child: Column(
                        crossAxisAlignment: CrossAxisAlignment.start,
                        children: [
                          Expanded(
                            child: Text(name,
                                style: Theme.of(context).textTheme.bodyLarge),
                          ),
                          Text("$price kr",
                              style: Theme.of(context).textTheme.bodyMedium),
                        ],
                      ),
                    ),
                    Row(
                      children: [
                        Column(
                          children: [
                            Expanded(
                              child: Text("$amount stk",
                                  style: Theme.of(context).textTheme.bodyLarge),
                            ),
                            Row(
                              children: [
                                IconButton(
                                    onPressed: () {
                                      cartRepo.incrementAmount(productId);
                                    },
                                    icon: const Icon(Icons.add)),
                                IconButton(
                                    onPressed: () {
                                      if (cartRepo.willRemoveOnNextDecrement(
                                          productId)) {
                                        removeCartItemDialog(context);
                                      } else {
                                        cartRepo.decrementAmount(productId);
                                      }
                                    },
                                    icon: const Icon(Icons.remove))
                              ],
                            ),
                          ],
                        )
                      ],
                    ),
                  ],
                )),
          ),
          IconButton(
              onPressed: () => removeCartItemDialog(context),
              icon: const Icon(Icons.delete_outline)),
          Image(width: 100, image: AssetImage(imagePath))
        ],
      ),
    );
  }

  Future<void> removeCartItemDialog(BuildContext context) {
    return showDialog<void>(
      context: context,
      builder: (BuildContext context) {
        return AlertDialog(
          content: Text(
              "Er du sikker på, at du vil slette ${name.toLowerCase()} fra indkøbskurven?"),
          actions: <Widget>[
            Row(
              mainAxisAlignment: MainAxisAlignment.center,
              children: [
                Container(
                  margin: const EdgeInsets.only(right: 5),
                  child: TextButton(
                    style: TextButton.styleFrom(
                        backgroundColor: Colors.red,
                        foregroundColor: Colors.white),
                    child: const Text('Slet'),
                    onPressed: () {
                      cartRepo.removeCartItem(productId);
                      Navigator.of(context).pop();
                    },
                  ),
                ),
                Container(
                  margin: const EdgeInsets.only(left: 5),
                  child: PrimaryButton(
                    child: const Text('Annullér'),
                    onPressed: () {
                      Navigator.of(context).pop();
                    },
                  ),
                ),
              ],
            )
          ],
        );
      },
    );
  }
}

class CartPage extends StatelessWidget {
  const CartPage({super.key});

  @override
  Widget build(BuildContext context) {
    return Column(
      children: [
        Expanded(
          child: Consumer<CartRepo>(
            builder: (_, cartRepo, __) {
              final cart = cartRepo.allCartItems();
              return ListView.builder(
                shrinkWrap: true,
                itemBuilder: (_, idx) => CartItemView(
                    cartRepo: cartRepo,
                    productId: cart[idx].product.id,
                    name: cart[idx].product.name,
                    price: cart[idx].product.price,
                    imagePath: "assets/${cart[idx].product.name}.png",
                    amount: cart[idx].amount),
                itemCount: cart.length,
              );
            },
          ),
        ),
        Container(
          decoration: const BoxDecoration(color: Color(0xFFFFFFFF), boxShadow: [
            BoxShadow(
              blurRadius: 10,
              spreadRadius: -4,
            )
          ]),
          padding: const EdgeInsets.all(10),
          child: Column(
            children: [
              Row(
                children: [
                  Expanded(
                    child: Container(
                      margin: const EdgeInsets.only(right: 10),
                      child: PrimaryButton(
                          onPressed: () {}, child: const Text("Indtast vare")),
                    ),
                  ),
                  Expanded(
                    child: Container(
                      margin: const EdgeInsets.only(left: 10),
                      child: PrimaryButton(
                          onPressed: () {}, child: const Text("Skan vare")),
                    ),
                  ),
                ],
              ),
              Row(
                children: [
                  Expanded(
                    child: Container(
                      margin: const EdgeInsets.only(top: 10),
                      child: PrimaryButton(
                          onPressed: () {
                            Navigator.push(
                                context,
                                MaterialPageRoute(
                                    builder: (context) =>
                                        const FinishShoppingPage()));
                          },
                          child: const Text("Afslut indkøb")),
                    ),
                  ),
                ],
              ),
            ],
          ),
        ),
      ],
    );
  }
}