const versionSatisfiesRange = require('./version-satisfies-range')

// GHES Release Lifecycle Dates:
// enterprise-releases/docs/supported-versions.md#release-lifecycle-dates
const dates = require('../lib/enterprise-dates.json')

const supported = [
  '2.22',
  '2.21',
  '2.20'
]
const deprecated = [
  '2.19',
  '2.18',
  '2.17',
  '2.16',
  '2.15',
  '2.14',
  '2.13',
  '2.12',
  '2.11',
  '2.10',
  '2.9',
  '2.8',
  '2.7',
  '2.6',
  '2.5',
  '2.4',
  '2.3',
  '2.2',
  '2.1',
  '2.0',
  '11.10.340'
]
const all = supported.concat(deprecated)
const latest = supported[0]
const oldestSupported = supported[supported.length - 1]
const nextDeprecationDate = dates[oldestSupported].deprecationDate
const isOldestReleaseDeprecated = new Date() > new Date(nextDeprecationDate)
const deprecatedOnNewSite = deprecated.filter(version => versionSatisfiesRange(version, '>=2.13'))
const firstVersionDeprecatedOnNewSite = '2.13'
// starting from 2.18, we updated the archival script to create stubbed HTML redirect files
const lastVersionWithoutStubbedRedirectFiles = '2.17'
// last version using paths like /enterprise/<release>/<user>/<product>/<category>/<article>
// instead of /enterprise-server@<release>/<product>/<category>/<article>
const lastReleaseWithLegacyFormat = '2.18'

module.exports = {
  supported,
  deprecated,
  all,
  latest,
  oldestSupported,
  nextDeprecationDate,
  isOldestReleaseDeprecated,
  deprecatedOnNewSite,
  dates,
  firstVersionDeprecatedOnNewSite,
  lastVersionWithoutStubbedRedirectFiles,
  lastReleaseWithLegacyFormat
}