import path from 'path';
import fs from 'fs';
import * as TPS from '@tps/utilities/constants';
import { isDir } from '@tps/utilities/fileSystem';
import { CommandModule } from 'yargs';

interface NewPackageArgv {
	template: string;
	package: string;
}

export default {
	command: 'package <template> <package>',

	description: 'create a new package in a template',

	builder: {},

	handler(argv) {
		const dest = path.join(process.cwd(), TPS.TPS_FOLDER, argv.template);

		if (!isDir(dest)) {
			throw new Error('TPS template was not found.');
		}
		const newPackageDir = path.join(dest, argv.package);
		fs.mkdirSync(newPackageDir);
	},
} as CommandModule<object, NewPackageArgv>;