const cp = require('child_process');
const path = require('path');

const { getOutDir } = require('./lib/utils');

const SOURCE_ROOT = path.normalize(path.dirname(__dirname));
const DEPOT_TOOLS = path.resolve(SOURCE_ROOT, '..', 'third_party', 'depot_tools');
const OUT_DIR = getOutDir();

if (!OUT_DIR) {
  throw new Error(`No viable out dir: one of Debug, Testing, or Release must exist.`);
}

const env = Object.assign({
  CHROMIUM_BUILDTOOLS_PATH: path.resolve(SOURCE_ROOT, '..', 'buildtools'),
  DEPOT_TOOLS_WIN_TOOLCHAIN: '0'
}, process.env);
// Users may not have depot_tools in PATH.
env.PATH = `${env.PATH}${path.delimiter}${DEPOT_TOOLS}`;

const gnCheckDirs = [
  '//electron:electron_lib',
  '//electron:electron_app',
  '//electron:manifests',
  '//electron/shell/common/api:mojo'
];

for (const dir of gnCheckDirs) {
  const args = ['check', `../out/${OUT_DIR}`, dir];
  const result = cp.spawnSync('gn', args, { env, stdio: 'inherit' });
  if (result.status !== 0) process.exit(result.status);
}

process.exit(0);
