import { z } from "zod"

import { tempImageVaultAssetSchema } from "../schemas/imageVault"
import {
  linkRefsUnionSchema,
  linkUnionSchema,
  transformPageLink,
} from "../schemas/pageLinks"
import { systemSchema } from "../schemas/system"

import type { ImageVaultAsset } from "@/types/components/imageVault"
import {
  TrackingChannelEnum,
  type TrackingSDKPageData,
} from "@/types/components/tracking"

export const destinationCityPageSchema = z
  .object({
    destination_city_page: z.object({
      title: z.string(),
      destination_settings: z
        .object({
          city_denmark: z.string().optional().nullable(),
          city_finland: z.string().optional().nullable(),
          city_germany: z.string().optional().nullable(),
          city_poland: z.string().optional().nullable(),
          city_norway: z.string().optional().nullable(),
          city_sweden: z.string().optional().nullable(),
        })
        .transform(
          ({
            city_denmark,
            city_finland,
            city_germany,
            city_norway,
            city_poland,
            city_sweden,
          }) => {
            const cities = [
              city_denmark,
              city_finland,
              city_germany,
              city_poland,
              city_norway,
              city_sweden,
            ].filter((city): city is string => Boolean(city))

            return { city: cities[0] }
          }
        ),
      heading: z.string(),
      preamble: z.string(),
      experiences: z
        .object({
          destination_experiences: z.array(z.string()),
        })
        .transform(({ destination_experiences }) => destination_experiences),
      images: z
        .array(z.object({ image: tempImageVaultAssetSchema }))
        .transform((images) =>
          images
            .map((image) => image.image)
            .filter((image): image is ImageVaultAsset => !!image)
        ),
      has_sidepeek: z.boolean().default(false),
      sidepeek_button_text: z.string().default(""),
      sidepeek_content: z.object({
        heading: z.string(),
        content: z.object({
          json: z.any(),
          embedded_itemsConnection: z.object({
            edges: z.array(
              z.object({
                node: linkUnionSchema.transform((data) => {
                  const link = transformPageLink(data)
                  if (link) {
                    return link
                  }
                  return data
                }),
              })
            ),
          }),
        }),
      }),
      system: systemSchema.merge(
        z.object({
          created_at: z.string(),
          updated_at: z.string(),
        })
      ),
    }),
    trackingProps: z.object({
      url: z.string(),
    }),
  })
  .transform((data) => {
    const destinationCityPage = data.destination_city_page
    const system = destinationCityPage.system
    const trackingUrl = data.trackingProps.url

    const tracking: TrackingSDKPageData = {
      pageId: system.uid,
      domainLanguage: system.locale,
      publishDate: system.updated_at,
      createDate: system.created_at,
      channel: TrackingChannelEnum["destination-page"],
      pageType: "staticcontentpage",
      pageName: trackingUrl,
      siteSections: trackingUrl,
      siteVersion: "new-web",
    }

    return {
      destinationCityPage,
      tracking,
    }
  })

/** REFS */
export const destinationCityPageRefsSchema = z.object({
  destination_city_page: z.object({
    sidepeek_content: z.object({
      content: z.object({
        embedded_itemsConnection: z.object({
          edges: z.array(
            z.object({
              node: linkRefsUnionSchema,
            })
          ),
        }),
      }),
    }),
    system: systemSchema,
  }),
})