// This module exports paths, names, and other metadata that is referenced
// throughout the build.

'use strict'

const path = require('path')

const appMetadata = require('../package.json')
const apmMetadata = require('../apm/node_modules/atom-package-manager/package.json')

const channel = getChannel()

const repositoryRootPath = path.resolve(__dirname, '..')
const buildOutputPath = path.join(repositoryRootPath, 'out')
const intermediateAppPath = path.join(buildOutputPath, 'app')
const symbolsPath = path.join(buildOutputPath, 'symbols')
const cachePath = path.join(repositoryRootPath, 'cache')
const homeDirPath = process.env.HOME || process.env.USERPROFILE

module.exports = {
  appMetadata, apmMetadata, channel,
  repositoryRootPath, buildOutputPath, intermediateAppPath, symbolsPath,
  cachePath, homeDirPath
}

function getChannel () {
  if (appMetadata.version.match(/dev/) || isBuildingPR()) {
    return 'dev'
  } else if (appMetadata.version.match(/beta/)) {
    return 'beta'
  } else {
    return 'stable'
  }
}

function isBuildingPR () {
  return (
    process.env.APPVEYOR_PULL_REQUEST_NUMBER ||
    process.env.TRAVIS_PULL_REQUEST ||
    process.env.CI_PULL_REQUEST
  )
}