/**
 * @license
 * Copyright 2016-2020 Balena Ltd.
 *
 * 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 { flags } from '@oclif/command';
import { stripIndent } from 'common-tags';
import Command from '../../command';
import * as cf from '../../utils/common-flags';
import { getBalenaSdk } from '../../utils/lazy';
import { tryAsInteger } from '../../utils/validation';

interface FlagsDef {
	yes: boolean;
	help: void;
}

interface ArgsDef {
	name: string;
}

export default class AppRmCmd extends Command {
	public static description = stripIndent`
		Remove an application.

		Permanently remove a balena application.

		The --yes option may be used to avoid interactive confirmation.
`;
	public static examples = [
		'$ balena app rm MyApp',
		'$ balena app rm MyApp --yes',
	];

	public static args = [
		{
			name: 'name',
			description: 'application name or numeric ID',
			required: true,
		},
	];

	public static usage = 'app rm <name>';

	public static flags: flags.Input<FlagsDef> = {
		yes: cf.yes,
		help: cf.help,
	};

	public static authenticated = true;

	public async run() {
		const { args: params, flags: options } = this.parse<FlagsDef, ArgsDef>(
			AppRmCmd,
		);

		const patterns = await import('../../utils/patterns');

		// Confirm
		await patterns.confirm(
			options.yes ?? false,
			`Are you sure you want to delete application ${params.name}?`,
		);

		// Remove
		await getBalenaSdk().models.application.remove(tryAsInteger(params.name));
	}
}