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

export default class extends BaseSchema {
  protected tableName = 'scraped_parts'

  async up() {
    this.schema.alterTable(this.tableName, (table) => {
      // Not every pc-builder.io listing has a fixed price (recent GPUs in
      // particular often only have a generic "search on Amazon" link with
      // no resolved offer) — these are now kept instead of being skipped,
      // so price must be nullable.
      table.float('price', 8, 2).nullable().alter()
      // Tracks where the currently stored `price`/`source_url` came from:
      // "pc-builder.io" for the original catalog price, or one of the
      // merchant names from merchant_price_service.ts (Amazon, LDLC, ...)
      // once a live price comparison finds (and persists) a cheaper offer.
      // Null means no price has ever been resolved for this part.
      table.string('price_source').nullable()
      table.timestamp('price_checked_at').nullable()
    })
  }

  async down() {
    this.schema.alterTable(this.tableName, (table) => {
      table.dropColumn('price_source')
      table.dropColumn('price_checked_at')
    })
    this.schema.alterTable(this.tableName, (table) => {
      table.float('price', 8, 2).notNullable().alter()
    })
  }
}