ambito/lib/src/entity/cart/cart_datasource.dart

import 'package:ambito/src/entity/cart/cart_element.dart';
import 'package:ambito/src/entity/entities.dart';
import 'package:flutter/material.dart';
import 'package:syncfusion_flutter_datagrid/datagrid.dart';

import '../../packages/ambito_theme/ambito_theme.dart';

class CartDataSource extends DataGridSource {
  CartDataSource(
      {required List<CartElement> cartElements, required this.context}) {
    dataGridRows = cartElements
        .map<DataGridRow>(
          (dataGridRow) => DataGridRow(
            cells: [
              DataGridCell<String>(
                columnName: 'name',
                value: dataGridRow.name,
              ),
              DataGridCell<String>(
                columnName: 'amount',
                value: dataGridRow.amount,
              ),
              DataGridCell<List<IdValue>>(
                columnName: 'provider',
                value: dataGridRow.provider,
              ),
              DataGridCell<String>(
                columnName: 'price',
                value: dataGridRow.price.toString(),
              ),
            ],
          ),
        )
        .toList();
  }

  final BuildContext context;

  List<DataGridRow> dataGridRows = [];

  @override
  List<DataGridRow> get rows => dataGridRows;

  @override
  DataGridRowAdapter? buildRow(DataGridRow row) {
    final AmbitoTheme theme = getTheme(context);

    double completePrice = double.tryParse(row
                .getCells()
                .where((cell) => cell.columnName == 'price')
                .first
                .value
                .toString() ??
            '0.0') ??
        0;

    int amount = int.tryParse(row
                .getCells()
                .where((cell) => cell.columnName == 'amount')
                .first
                .value
                .toString() ??
            '0') ??
        0;

    if (amount > 1) {
      completePrice = completePrice * amount;
    }

    return DataGridRowAdapter(
        cells: row.getCells().map<Widget>(
      (dataGridCell) {
        if (dataGridCell.columnName == 'provider') {
          final providerString =
              dataGridCell.value.map((ele) => ele.value).toList().join(', ');
          return Container(
            alignment: Alignment.centerLeft,
            padding: const EdgeInsets.symmetric(horizontal: 10.0),
            child: Text(
              providerString,
              overflow: TextOverflow.ellipsis,
              style: theme.bodyMedium.copyWith(
                color: theme.currentColorScheme.primary,
              ),
            ),
          );
        }

        if (dataGridCell.columnName == 'price') {
          final priceString = amount == 1
              ? '${dataGridCell.value ?? '0'}€'
              : '${completePrice.toStringAsFixed(2)}€ (${dataGridCell.value ?? '0'}€ pro Stk.)';
          return Container(
            alignment: Alignment.centerLeft,
            padding: const EdgeInsets.symmetric(horizontal: 10.0),
            child: Text(
              priceString,
              overflow: TextOverflow.ellipsis,
              style: theme.bodyMedium.copyWith(
                color: theme.currentColorScheme.primary,
              ),
            ),
          );
        }
        if (dataGridCell.columnName == 'amount') {
          return Container(
            alignment: Alignment.centerLeft,
            padding: const EdgeInsets.symmetric(horizontal: 10.0),
            child: Row(
              mainAxisAlignment: MainAxisAlignment.spaceAround,
              children: [
                IconButton(
                  icon: Icon(
                    Icons.remove,
                    color: Theme.of(context).colorScheme.secondary,
                  ),
                  padding:
                      EdgeInsets.symmetric(vertical: 4.0, horizontal: 18.0),
                  iconSize: 16.0,
                  color: Theme.of(context).primaryColor,
                  onPressed: () {},
                ),
                Text(
                  dataGridCell.value,
                  textAlign: TextAlign.center,
                  style: theme.bodyMedium,
                ),
                IconButton(
                  icon: Icon(
                    Icons.add,
                    color: Theme.of(context).colorScheme.secondary,
                  ),
                  padding:
                      EdgeInsets.symmetric(vertical: 4.0, horizontal: 18.0),
                  iconSize: 16.0,
                  color: Theme.of(context).primaryColor,
                  onPressed: () {},
                ),
              ],
            ),
          );
        }
        return Container(
          alignment: Alignment.centerLeft,
          padding: const EdgeInsets.symmetric(horizontal: 10.0),
          child: Text(
            dataGridCell.value.toString(),
            overflow: TextOverflow.ellipsis,
            style: theme.bodyMedium.copyWith(
              color: theme.currentColorScheme.primary,
            ),
          ),
        );
      },
    ).toList());
  }
}