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

/**
 * The probe queue (REBUILD.md, part 6): per release the few articles phase 2
 * should read. Phase 1 only fills it.
 */
export default class extends BaseSchema {
  async up() {
    this.schema.createTable('probe_candidates', (table) => {
      table.bigIncrements('id')
      table.bigInteger('release_id').notNullable()
      table.string('kind', 8).notNullable()
      table.text('message_id').notNullable()
      table.text('file').notNullable()
      table.string('status', 8).notNullable().defaultTo('waiting')
      table.timestamp('created_at', { useTz: true }).notNullable().defaultTo(this.now())
      table.unique(['release_id', 'kind', 'message_id'])
    })
    this.schema.raw(`CREATE INDEX probe_candidates_waiting_idx ON probe_candidates (id) WHERE status = 'waiting'`)
  }

  async down() {
    this.schema.dropTable('probe_candidates')
  }
}