import { z } from "zod"

import { dt } from "@/lib/dt"

import { AlertTypeEnum } from "@/types/enums/alert"

const specialAlertSchema = z.object({
  type: z.string(),
  title: z.string().optional(),
  description: z.string().optional(),
  displayInBookingFlow: z.boolean(),
  startDate: z.string().optional(),
  endDate: z.string().optional(),
})

export const specialAlertsSchema = z
  .array(specialAlertSchema)
  .transform((data) => {
    const now = dt().utc().format("YYYY-MM-DD")
    const filteredAlerts = data.filter((alert) => {
      let shouldShowNow = true

      if (alert.startDate && alert.startDate > now) {
        shouldShowNow = false
      }
      if (alert.endDate && alert.endDate < now) {
        shouldShowNow = false
      }
      const hasText = alert.description || alert.title
      return shouldShowNow && hasText
    })
    return filteredAlerts.map((alert, idx) => ({
      id: `alert-${alert.type}-${idx}`,
      type: AlertTypeEnum.Info,
      heading: alert.title || null,
      text: alert.description || null,
    }))
  })
  .default([])