// @ts-check
/// <reference path="types-dnscontrol.d.ts" />

// Helpers

/**
 * @param {object} record
 * @param {string[]} [record.alpn]
 * @param {string[]} [record.ipv4hint]
 * @param {string[]} [record.ipv6hint]
 */
function https(record) {
  return Object.keys(record)
    .map(function (key) {
      return [key, record[key].join(',')].join('=')
    })
    .join(' ')
}

/**
 * @param {string} target
 */
function ensureAbsolute(target) {
  return target.endsWith('.') ? target : target + '.'
}

/**
 * @param {string} target
 * @param {string} prefix
 */
function prefix(target, prefix) {
  return target === '@'
    ? prefix
    : prefix + '.' + target

}

/**
 * @param {string} name
 * @param {string} acmeTarget
 */
function acmeDelegate(name, acmeTarget) {
  return CNAME(
    name === '@' ? '_acme-challenge' : '_acme-challenge.' + name,
    ensureAbsolute(acmeTarget),
    TTL('15m'),
  )
}

/**
 * @param {string} name
 * @param {RecordModifier[]} [modifiers]
 */
function fly(name, modifiers) {
  var ownershipValue = 'app-d8rdp9j';
  var flyApp = 'd8rdp9j.flynet-butterfly-1123.fly.dev.'

  var rec = name === '@' ? ALIAS : CNAME
  var primary = rec.bind(null, name, flyApp)

  var records = [
    primary.apply(null, modifiers),
    TXT.bind(null, prefix(name, '_fly-ownership'), ownershipValue).apply(null, modifiers),
  ]

  if (rec === ALIAS) {
    records.push(
      HTTPS.bind(null, name, 1, flyApp, https({
        alpn: ['h2'],
        ipv4hint: ['auto'],
        ipv6hint: ['auto'],

      })).apply(null, modifiers),
    )
  }

  return records
}

/**
 * @param {string} domain
 * @param {string} verification
 * @param {string[]} [extras]
 */
function iCloudMail(domain, verification, extras) {
  if (extras == null) {
    extras = []
  }
  return [
    MX('@', 10, 'mx01.mail.icloud.com.'),
    MX('@', 10, 'mx02.mail.icloud.com.'),
    TXT('@', 'apple-domain=' + verification),
    SPF_BUILDER({
      parts: ['v=spf1'].concat(extras).concat('include:icloud.com', '-all'),
    }),
    CNAME('sig1._domainkey', 'sig1.dkim.' + domain + '.at.icloudmailadmin.com.'),
  ]
}

/**
 * @param {string[]} sources
 * @param {string} target
 * @param {RecordModifier[]} [recordModifiers]
 */
function bulkCNAME(sources, target, recordModifiers) {
  return sources.map(function (source) {
    return CNAME.bind(CNAME, source, target).apply(CNAME, recordModifiers)
  })
}

var nameservers = [
  'ns-global.kjsl.com.',
  'puck.nether.net.',
]

var ns_records = nameservers.map(function (hostname) {
  return NAMESERVER(hostname)
})

var soa = SOA('@', nameservers[0], 'hostmaster.alanpearce.eu.', 43200, 3600, 2419200, 120)

// Providers:

var RegistrarOVH = NewRegistrar('ovh')
var PowerDNS = NewDnsProvider('powerdns', {
  zone_kind: 'Master',
})

// Domains:

DEFAULTS(DefaultTTL('1d'), NAMESERVER_TTL('1d'))

D(
  'alanpearce.eu',
  RegistrarOVH,
  DnsProvider(PowerDNS),

  soa,
  ns_records,

  CAA_BUILDER({
    iodef: 'mailto:alan@alanpearce.eu',
    issue: [
      'actalis.it',
    ],
    issuewild: ['none'],
    issuemail: ['none'],
    issuevmc: ['none']
  }),

  fly('@', [TTL('1h')]),
  HTTPS(
    '@', 10, 'homestead-homestead488.danubedata.run.',
    https({
      alpn: ['h2'],
      ipv4hint: ['auto'],
      ipv6hint: ['auto'],
    }), TTL('1h')
  ),
  // acmeDelegate('@', '019dbafc-1535-723a-a7f4-1767cc565d5f._acme.danubedata.run.'),

  fly('www'),
  acmeDelegate('www', 'www.alanpearce.eu.019dd44b._acme.danubedata.run.'),

  // prettier-ignore
  bulkCNAME([
    'go',
    'git',
    'searchix',
  ], 'hasel.alin.ovh.'),

  TXT('subdomain-owner-verification', '2da94817a704cfce6a6358d2062f52c9'),

  IGNORE('home', 'A,AAAA'),
  IGNORE('_acme-challenge', 'TXT'),
  IGNORE('_acme-challenge.**', 'TXT'),

  iCloudMail('alanpearce.eu', 'anzQe301nq7grixH', ['a:hasel.alin.ovh']),
  DMARC_BUILDER({
    policy: 'reject',
    percent: 100,
    subdomainPolicy: 'reject',
    alignmentSPF: 'r',
  })
)

D(
  'alin.ovh',
  RegistrarOVH,
  DnsProvider(PowerDNS),

  soa,
  ns_records,

  CAA_BUILDER({
    iodef: 'mailto:alin@alin.ovh',
    issue: [
      'actalis.it',
    ],
    issuewild: ['none'],
    issuemail: ['none'],
    issuevmc: ['none']
  }),

  fly('@', [TTL('1h')]),
  HTTPS(
    '@', 10, 'homestead-homestead488.danubedata.run.',
    https({
      alpn: ['h2'],
      ipv4hint: ["auto"],
      ipv6hint: ['auto'],
    }), TTL('1h')
  ),
  acmeDelegate('@', 'alin.ovh.019dd3dc._acme.danubedata.run.'),

  fly('www'),
  acmeDelegate('www', 'www.alin.ovh.019dd449._acme.danubedata.run.'),

  fly('status'),
  fly('uptime'),

  bulkCNAME([
    'binarycache',
    'cal',
    'ci',
    'files',
    'git',
    'go',
    'iam',
    'id',
    'notify',
    'pdns',
    'redis',
    'searchix',
    'stats',
    '*.stats',
  ], 'hasel'),

  IGNORE('home', 'A,AAAA'),
  IGNORE('_acme-challenge', 'TXT'),
  IGNORE('_acme-challenge.**', 'TXT'),

  A('hasel', '185.55.243.110'),
  AAAA('hasel', '2a00:1913:682b::'),
  SSHFP('hasel', 1, 1, '4ab581a1f0d115678e6724e2d865208ab195ccd6'),
  SSHFP('hasel', 1, 2, 'f50a2082a18b4bcf96c3f94c9554312468e67c65ef44a936c8d12933dc2416a8'),
  SSHFP('hasel', 4, 1, '664e7f23544b9c758ee66d5f8164db7a6d5970e8'),
  SSHFP('hasel', 4, 2, '27a1dbd525c0efe21f56dba96dfcd7c7bdb07756e510ca15e2626e23ef2483b6'),

  AAAA('buk', '2a03:3b40:fe:87::1'),

  iCloudMail('alin.ovh', 'VgiTkEni66SwcRxU', ['a:hasel.alin.ovh']),
  DMARC_BUILDER({
    policy: 'reject',
    percent: 100,
    subdomainPolicy: 'reject',
    rua: ['mailto:re+wloi96boexp@dmarc.postmarkapp.com'],
    alignmentSPF: 'r',
  })
)

D(
  'searchix.ovh',
  RegistrarOVH,
  DnsProvider(PowerDNS),
  DefaultTTL(86400),
  NAMESERVER_TTL(86400),

  CAA_BUILDER({
    iodef: 'mailto:tls@alin.ovh',
    issue: [
      'actalis.it',
    ],
    issuewild: ['none'],
    issuemail: ['none'],
    issuevmc: ['none']
  }),
  IGNORE('_acme-challenge', 'TXT'),
  IGNORE('_acme-challenge.**', 'TXT'),

  SPF_BUILDER({
    parts: ['v=spf1', '-all'],
  }),

  soa,
  ns_records,

  ALIAS('@', 'hasel.alin.ovh.'),
  HTTPS('@', 1, 'hasel.alin.ovh.', 'alpn=h3,h2 ipv4hint=auto ipv6hint=auto'),

  CNAME('stats', 'hasel.alin.ovh.'),
  CNAME('stable', 'hasel.alin.ovh.'),
  CNAME('stats.stable', 'hasel.alin.ovh.'),
  fly('status')
)