import type { Manual } from "@/lib/manuals-types"
import {
  filterMDBManuals,
  filterManualsBySite,
  filterManufacturersByMinCount,
} from "@/lib/manuals"
import {
  getAllowedManufacturers,
  getManufacturerAliases,
  getMinManualCount,
  getSiteDomain,
  shouldIncludePaymentComponents,
} from "@/lib/site-config"

export type ManualSelectionResult = {
  siteDomain: string
  totalInput: number
  mdbEligible: number
  siteVisible: number
  finalCount: number
  manuals: Manual[]
}

export function selectManualsForSite(
  manuals: Manual[],
  siteDomain: string = getSiteDomain()
): ManualSelectionResult {
  const allowedManufacturers = getAllowedManufacturers(siteDomain)
  const manufacturerAliases = getManufacturerAliases()
  const minManualCount = getMinManualCount(siteDomain)
  const includePaymentComponents = shouldIncludePaymentComponents(siteDomain)

  const mdbEligible = filterMDBManuals(manuals)
  const siteVisible = filterManualsBySite(
    mdbEligible,
    allowedManufacturers,
    manufacturerAliases,
    includePaymentComponents
  )
  const finalManuals = filterManufacturersByMinCount(
    siteVisible,
    minManualCount
  )

  return {
    siteDomain,
    totalInput: manuals.length,
    mdbEligible: mdbEligible.length,
    siteVisible: siteVisible.length,
    finalCount: finalManuals.length,
    manuals: finalManuals,
  }
}