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

/**
 * release_final() with the release's complete flag: a release with every file its counter announced is final as it is
 * (nothing it lacks can come); the time window only decides for the incomplete and those without a counter (LOG.md
 * 2026-10-16 (70): a complete episode posted an hour before was "pending" for six hours more).
 */
export default class extends BaseSchema {
  async up() {
    // Beside the five-argument one, which the services still running call until the deploy restarts them.
    this.schema.raw(`
      CREATE FUNCTION release_final(g integer, first_article bigint, last_article bigint, posted timestamptz, last_posted timestamptz, complete boolean)
      RETURNS boolean LANGUAGE sql STABLE AS $$
        SELECT coalesce(complete, false) OR EXISTS (
          SELECT 1 FROM range_blocks b
          WHERE b.group_id = g AND b.start_id <= first_article AND b.end_id >= last_article
            AND (b.at_group_start OR b.posted_low <= posted - interval '6 hours')
            AND b.posted_high >= coalesce(last_posted, posted) + interval '6 hours')
      $$`)
  }

  async down() {}
}