import type { HttpContext } from '@adonisjs/core/http'
import vine from '@vinejs/vine'
import PricingService from '#services/pricing_service'
import { enqueuePricingBatch } from '#services/queue_service'

const approveValidator = vine.compile(
  vine.object({ price: vine.number().min(0).optional() })
)

export default class PricingController {
  /** POST /api/pricing/suggest/:id  (on-demand, đồng bộ) */
  async suggest({ params, auth }: HttpContext) {
    return PricingService.suggestForProduct(Number(params.id), auth.getUserOrFail().username)
  }

  /** POST /api/pricing/suggest/:id/approve  (duyệt & áp giá khi vượt ngưỡng) */
  async approve({ params, request, auth }: HttpContext) {
    const { price } = await request.validateUsing(approveValidator)
    return PricingService.approve(Number(params.id), auth.getUserOrFail().username, price)
  }

  /**
   * POST /api/pricing/batch  (chạy hàng loạt qua queue)
   * body: { productIds?: number[] }  — bỏ trống = toàn bộ
   */
  async batch({ request, auth }: HttpContext) {
    const productIds: number[] =
      request.input('productIds') ?? (await PricingService.productIdsForBatch())
    await enqueuePricingBatch(productIds, auth.getUserOrFail().username)
    return { enqueued: productIds.length }
  }
}