const fs = require('fs')
const path = require('path')

const ABORT_FLAG_PATH = path.join(__dirname, '..', '.abort-run')

module.exports = (on, config) => {
  on('before:browser:launch', (browser, launchOptions) => {
    if (browser.name === 'chrome') {
      launchOptions.args.push('--disable-gpu')
      launchOptions.args.push('--no-sandbox')
      launchOptions.args.push('--disable-dev-shm-usage')
    }
    return launchOptions
  })

  // If a TARGET_ENV env var was passed, override baseUrl and apiBaseUrl
  if (config.env.TARGET_ENV === 'remote') {
    config.baseUrl = config.env.REMOTE_BASE_URL
    config.env.apiBaseUrl = config.env.REMOTE_API_URL
  }

  // Task to set abort flag
  on('task', {
    setAbortFlag() {
      fs.writeFileSync(ABORT_FLAG_PATH, 'ABORTED')
      return null
    },
    checkAbortFlag() {
      return fs.existsSync(ABORT_FLAG_PATH)
    },
    clearAbortFlag() {
      if (fs.existsSync(ABORT_FLAG_PATH)) {
        fs.unlinkSync(ABORT_FLAG_PATH)
      }
      return null
    }
  })

  // Clean up abort flag at start of run
  if (fs.existsSync(ABORT_FLAG_PATH)) {
    fs.unlinkSync(ABORT_FLAG_PATH)
  }

  return config
}