import { BaseSchema } from '@adonisjs/lucid/schema'

/**
 * nntp_shares: the account's connections shared by the processes that read articles (app/services/nntp_shares.ts).
 * Each process's row says what it could use and has open, and what it may open; a row without a heartbeat for a
 * minute is a process gone (its connections closed with it). The split was fixed per process: with history paused
 * the coordinator's 38 stood idle while the prober's 8 were the limit (LOG.md 2026-10-18 (75)).
 */
export default class extends BaseSchema {
  async up() {
    this.schema.raw(`
      CREATE TABLE IF NOT EXISTS nntp_shares (
        name text PRIMARY KEY,
        priority integer NOT NULL,
        min integer NOT NULL,
        want integer NOT NULL,
        open integer NOT NULL,
        granted integer NOT NULL,
        heartbeat_at timestamptz NOT NULL DEFAULT now()
      )`)
  }

  async down() {
    this.schema.raw(`DROP TABLE IF EXISTS nntp_shares`)
  }
}