import { z } from "zod"

import { AlertTypeEnum } from "@scandic-hotels/common/constants/alert"
import { nullableStringValidator } from "@scandic-hotels/common/utils/zod/stringValidator"

const specialAlertSchema = z.object({
  description: nullableStringValidator,
  displayInBookingFlow: z.boolean().default(false),
  endDate: nullableStringValidator,
  startDate: nullableStringValidator,
  title: nullableStringValidator,
  type: nullableStringValidator,
})

export const specialAlertsSchema = z
  .array(specialAlertSchema)
  .nullish()
  // Filter out alerts with no title and no description since they won't have any visible content
  // We're filtering on dates on the hotel page itself
  .transform((arr) =>
    arr ? arr.filter((alert) => alert?.description || alert?.title) : []
  )
  .transform((alerts) =>
    alerts.map((alert, idx) => ({
      heading: alert.title || null,
      id: `alert-${alert.type}-${idx}`,
      name: alert.type,
      text: alert.description || null,
      type: AlertTypeEnum.Info,
      displayInBookingFlow: alert.displayInBookingFlow,
      endDate: alert.endDate,
      startDate: alert.startDate,
    }))
  )