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

/**
 * The pending ladder (REBUILD.md decision f, 2026-10-26): what the prober needs to work pending_releases cheapest
 * first and to learn which signatures never name anything.
 * - pending_releases: `file_total` (the counter's, for the catalog row once named), `inspections` (what each probe
 *   showed, by kind), `named` (the usable name a probe found; status 4 until the namer moved it into the catalog).
 *   Status: 0 waiting, 1 named and in the catalog, 2 discarded (its signature's verdict), 3 exhausted (every
 *   target probed, no name), 4 named, awaiting the move, 9 taken by a running prober.
 * - pending_signatures: per (tool, group, poster) how many pending releases were probed to the end and how many
 *   got a name; `dropped` once probed ≥ PENDING_MIN_PROBES and named ≤ PENDING_MAX_NAMED of them (voyager 2's
 *   garbage learner, LOG.md 2026-10-08 (5)). The poster '' row is the tool's and group's together.
 */
export default class extends BaseSchema {
  async up() {
    this.schema.raw(`ALTER TABLE pending_releases ADD COLUMN IF NOT EXISTS file_total integer`)
    this.schema.raw(
      `ALTER TABLE pending_releases ADD COLUMN IF NOT EXISTS inspections jsonb NOT NULL DEFAULT '[]'`
    )
    this.schema.raw(`ALTER TABLE pending_releases ADD COLUMN IF NOT EXISTS named varchar(255)`)
    // The ladder's claim: the oldest waiting ones; the namer's: the named ones.
    this.schema.raw(
      `CREATE INDEX IF NOT EXISTS pending_releases_waiting_idx ON pending_releases (created_at) WHERE status = 0`
    )
    this.schema.raw(
      `CREATE INDEX IF NOT EXISTS pending_releases_naming_idx ON pending_releases (probed_at) WHERE status = 4`
    )
    this.schema.raw(`
      CREATE TABLE pending_signatures (
        tool varchar(16) NOT NULL,
        group_id integer NOT NULL,
        poster text NOT NULL DEFAULT '',
        probed integer NOT NULL DEFAULT 0,
        named integer NOT NULL DEFAULT 0,
        dropped boolean NOT NULL DEFAULT false,
        updated_at timestamptz NOT NULL DEFAULT now(),
        PRIMARY KEY (tool, group_id, poster)
      )`)
  }

  async down() {
    this.schema.raw(`DROP TABLE IF EXISTS pending_signatures`)
    this.schema.raw(`DROP INDEX IF EXISTS pending_releases_naming_idx`)
    this.schema.raw(`DROP INDEX IF EXISTS pending_releases_waiting_idx`)
    this.schema.raw(`ALTER TABLE pending_releases DROP COLUMN IF EXISTS named`)
    this.schema.raw(`ALTER TABLE pending_releases DROP COLUMN IF EXISTS inspections`)
    this.schema.raw(`ALTER TABLE pending_releases DROP COLUMN IF EXISTS file_total`)
  }
}