const path = require('path');
const crossSpawn = require('cross-spawn');
const test = require('ava');

const logo = require('../lib/utils/output/logo');

test.serial('make binary', async t => {
  if (!process.env.CI) return; // eslint-disable-line curly
  const result = await spawn('npm', ['run', 'pack']);
  t.is(result.code, 0);
});

const binary = {
  darwin: 'now-macos',
  linux: 'now-linux',
  win32: 'now-win.exe'
}[process.platform];

const binaryPath = path.resolve(__dirname, '../packed/' + binary);
const deployHelpMessage = `${logo} now [options] <command | path>`;

test.serial('packed "now help" prints deploy help message', async t => {
  if (!process.env.CI) return; // eslint-disable-line curly
  const result = await spawn(binaryPath, ['help']);

  t.is(result.code, 0);
  const stdout = result.stdout.split('\n');
  t.true(stdout.length > 1);
  t.true(stdout[1].includes(deployHelpMessage));
});

function spawn(command, args) {
  return new Promise((resolve, reject) => {
    const child = crossSpawn.spawn(command, args);

    let stdout = '';
    child.stdout.on('data', data => {
      stdout += data;
    });

    child.on('error', err => {
      reject(err);
    });

    child.on('close', code => {
      resolve({
        code,
        stdout
      });
    });
  });
}