#!/usr/bin/env node
/* eslint global-require: 0 */
/* eslint quote-props: 0 */
const path = require('path');
const safeExec = require('./utils/child-process-wrapper.js').safeExec;

const npmEnvs = {
  system: process.env,
  apm: Object.assign({}, process.env, {
    'npm_config_target': '0.10.40',
  }),
  electron: Object.assign({}, process.env, {
    'npm_config_target': '1.4.1',
    'npm_config_arch': 'x64',
    'npm_config_target_arch': 'x64',
    'npm_config_disturl': 'https://atom.io/download/atom-shell',
    'npm_config_runtime': 'electron',
    'npm_config_build_from_source': true,
  }),
};

function npm(cmd, options) {
  const {cwd, env} = Object.assign({cwd: '.', env: 'system'}, options);

  return new Promise((resolve, reject) => {
    console.log(`\n-- Running npm ${cmd} in ./${cwd} with ${env} config --`)

    safeExec(`npm ${cmd}`, {
      cwd: path.resolve(__dirname, '..', cwd),
      env: npmEnvs[env],
    }, (err) => {
      return err ? reject(err) : resolve(null);
    });
  });
}

function installPrivateResources() {
  console.log("\n-- Linking Nylas submodule resources --")

  const fs = require('fs-plus');
  const proDir = path.resolve(path.join('src', 'pro'))
  const canaryFileExists = fs.existsSync(path.join(proDir, "README.md"))
  if (!canaryFileExists) {
    console.log(`Could not find pro submodule at ${proDir}. Skipping...`)
    return;
  }

  const unlinkIfExistsSync = (p) => {
    try { if (fs.lstatSync(p)) { fs.removeSync(p); } } catch (err) { return }
  }

  // copy Arc Files
  fs.copySync(path.join(proDir, 'arc-N1'), '.')

  // copy Source Extensions
  unlinkIfExistsSync(path.join('src', 'error-logger-extensions'));
  fs.copySync(path.join(proDir, 'src'), 'src');

  // link Plugins
  for (const plugin of fs.readdirSync(path.join(proDir, 'packages'))) {
    const from = path.join(proDir, 'packages', plugin);
    const to = path.join(path.resolve('internal_packages'), plugin);
    unlinkIfExistsSync(to);
    fs.symlinkSync(from, to, 'dir');
  }
}

npm('install', {cwd: 'build'})
.then(() => npm('install', {cwd: 'apm', env: 'apm'}))
.then(() => npm('dedupe', {cwd: path.join('apm', 'node_modules', 'npm'), env: 'apm'}))
.then(() => npm('install', {cwd: '.', env: 'electron'}))
.then(() => npm('dedupe', {cwd: '.', env: 'electron'}))
.then(() => installPrivateResources())