import { getManifest, IManifest, Product, verifyProductName } from 'ssn';
import failWithError from './failWithError';

const failFunction = failWithError.bind(null, 'node dist/getManifest.js <product>');

if (process.argv.length !== 3) {
  failFunction(`Expected 1 argument but ${process.argv.length - 2} arguments were supplied.`);
}

//Check that product name is valid
const product = process.argv[2];
if (!verifyProductName(product)) {
  failFunction(`"${product} is not a valid product name.`);
}

//Get manifest and write output to stdout
getManifest(product as Product).then((output: IManifest) => {
  process.stdout.write(JSON.stringify(output));
}).catch((error) => {
  failFunction(error);
});