import { BaseCommand, args, flags } from '@adonisjs/core/ace'
import type { CommandOptions } from '@adonisjs/core/types/ace'
import Planner from '#services/planner'
import NntpPool from '#services/nntp_pool'

/** Adds groups to index, after the existing ones in priority (owner rule). */
export default class GroupsAdd extends BaseCommand {
  static commandName = 'groups:add'
  static description = 'Adds groups to index (by name, or the largest by LIST ACTIVE)'
  static options: CommandOptions = { startApp: true }

  @args.spread({ description: 'Group names', required: false })
  declare names?: string[]

  @flags.number({ description: 'The largest N groups matching --pattern' })
  declare top?: number

  @flags.string({ description: 'LIST ACTIVE pattern for --top', default: 'alt.binaries.*' })
  declare pattern: string

  async run() {
    try {
      const names = this.top ? await Planner.largestGroups(this.pattern, this.top) : (this.names ?? [])
      const added = await Planner.addGroups(names)
      this.logger.info(`${added} of ${names.length} groups added.`)
    } finally {
      await NntpPool.close()
    }
  }
}