import {
  AuthenticatedMedusaRequest,
  maybeApplyLinkFilter,
  MedusaNextFunction,
  MedusaResponse,
  MiddlewareRoute,
} from "@medusajs/framework/http"
import { validateAndTransformQuery } from "@medusajs/framework"

import { vendorProductVariantQueryConfig } from "./query-config"
import { VendorGetProductVariantsParams } from "./validators"

const applySellerProductVariantLinkFilter = (
  req: AuthenticatedMedusaRequest,
  res: MedusaResponse,
  next: MedusaNextFunction
) => {
  req.filterableFields.seller_id = req.seller_context!.seller_id

  return maybeApplyLinkFilter({
    entryPoint: "product_seller",
    resourceId: "product_id",
    filterableField: "seller_id",
  })(req, res, next)
}

export const vendorProductVariantsMiddlewares: MiddlewareRoute[] = [
  {
    method: ["GET"],
    matcher: "/vendor/product-variants",
    middlewares: [
      validateAndTransformQuery(
        VendorGetProductVariantsParams,
        vendorProductVariantQueryConfig.list
      ),
      applySellerProductVariantLinkFilter,
    ],
  },
]