import { BaseCommand } from '@adonisjs/core/ace'
import type { CommandOptions } from '@adonisjs/core/types/ace'
import db from '@adonisjs/lucid/services/db'
import { decidePar2Completeness } from '#services/par2_completeness'

/** Releases per batch. */
const BATCH = 1000

/**
 * Decides completeness by par2 set (app/services/par2_completeness.ts) for the releases that had their par2 read
 * before it was built (2026-10-23): every holder of a set whose file list is still there, by release id. Once.
 */
export default class ReleasesPar2Complete extends BaseCommand {
  static commandName = 'releases:par2-complete'
  static description = 'Decides completeness by their par2 sets for settled releases without a counter, then exits'
  static options: CommandOptions = { startApp: true }

  async run() {
    let after = 0
    let looked = 0
    let decided = 0
    for (;;) {
      const { rows } = await db.rawQuery(
        `SELECT DISTINCT s.release_id FROM par2_sets s
         WHERE s.release_id > ? AND EXISTS (SELECT 1 FROM par2_files f WHERE f.set_id = s.set_id)
         ORDER BY s.release_id LIMIT ?`,
        [after, BATCH]
      )
      if (rows.length === 0) break
      const ids = rows.map((r: { release_id: string }) => Number(r.release_id))
      decided += await decidePar2Completeness(db, ids)
      looked += ids.length
      after = ids.at(-1)!
      if (looked % 50_000 < BATCH) this.logger.info(`${looked} releases with a par2 set looked at, ${decided} decided (up to id ${after}).`)
    }
    this.logger.info(`Done: ${looked} releases with a par2 set looked at, ${decided} decided.`)
  }
}