/*
 * Copyright 2022 The Backstage Authors
 *
 * 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 {
  createScaffolderLayout,
  LayoutTemplate,
  scaffolderPlugin,
} from '@backstage/plugin-scaffolder';
import Grid from '@material-ui/core/Grid';

const TwoColumn: LayoutTemplate = ({ properties, description, title }) => {
  const mid = Math.ceil(properties.length / 2);
  const left = properties.slice(0, mid);
  const right = properties.slice(mid);
  return (
    <>
      <h1>{title}</h1>
      <Grid container justifyContent="flex-end">
        {left.map(prop => (
          <Grid item xs={6} key={prop.content.key}>
            {prop.content}
          </Grid>
        ))}
        {right.map(prop => (
          <Grid item xs={6} key={prop.content.key}>
            {prop.content}
          </Grid>
        ))}
      </Grid>
      {description}
    </>
  );
};

export const TwoColumnLayout = scaffolderPlugin.provide(
  createScaffolderLayout({
    name: 'TwoColumn',
    component: TwoColumn,
  }),
);