import env from '#start/env'

export default {
  /** How often `index:scheduler` checks the groups for new articles. */
  intervalMs: env.get('INDEX_INTERVAL_MS', 60 * 1000),
  /** Articles per fetch job (one XOVER call). */
  batchSize: BigInt(env.get('INDEX_BATCH_SIZE', 20_000)),
  /** Upper bound on fetch jobs queued per group per tick, so catching up is spread out. */
  maxBatchesPerTick: env.get('INDEX_MAX_BATCHES_PER_TICK', 5),
  /**
   * Where a group that was never indexed starts: this many articles before
   * the newest one. The server's low-water mark can be years back.
   */
  initialBackfill: BigInt(env.get('INDEX_INITIAL_BACKFILL', 50_000)),

  /**
   * Obfuscated articles whose message-id matches one of these are not sent
   * to the body queue: their uploader spreads every file over many groups,
   * so identifying them would take far more bandwidth than there is
   * (see LOG.md, 2026-09-28 (9)). Normal-subject articles are unaffected.
   */
  skipBodyMessageIds: [
    // hex7$hex7$hex7@hex10.hex5, ~60k articles/min over 10+ groups
    /^<?[0-9a-f]{7}\$[0-9a-f]{7}\$[0-9a-f]{7}@[0-9a-f]{10}\.[0-9a-f]{5}>?$/,
  ],

  /**
   * Obfuscated articles whose message-id matches one of these don't go to
   * the body queue. Instead they're recorded per file in `deferred_files`
   * (their subject keeps the file name, only the part counter is missing).
   * `worker:deferred` later fetches one body per file (CONCEPT.md D28).
   */
  deferBodyMessageIds: [
    // ngPost: <hex32@ngPost>. Mostly RAR5 with encrypted headers (LOG.md 2026-09-28 (14)).
    /^<?[0-9a-f]{32}@ngPost>?$/,
  ],
  /**
   * Spotnet header groups (CONCEPT.md D29): their headers are spots, not
   * binaries. Add one with `group:add free.pt --backfill 5000`.
   */
  spotGroups: ['free.pt'],

  /** worker:deferred leaves a file alone until it has had no new articles for this long. */
  deferredSettleMs: env.get('DEFERRED_SETTLE_MS', 15 * 60 * 1000),
  /** Files of at most this many parts are downloaded completely (small archives, NZBs, par2 index files). */
  deferredExpandMaxParts: env.get('DEFERRED_EXPAND_MAX_PARTS', 8),
}