import { GetLoyaltyPageMetaData } from "@/lib/graphql/Query/MetaDataLoyaltyPage.graphql"
import { GetMyPagesMetaData } from "@/lib/graphql/Query/MetaDataMyPages.graphql"
import { contentstackExtendedProcedureUID, router } from "@/server/trpc"

import {
  type GetLoyaltyPageMetaDataData,
  type GetMyPagesMetaDataData,
  validateLoyaltyPageMetaDataContentstackSchema,
  validateMyPagesMetaDataContentstackSchema,
} from "./output"
import { getMetaData, getResponse, Variables } from "./utils"

import { PageTypeEnum } from "@/types/requests/pageType"

async function getLoyaltyPageMetaData(variables: Variables) {
  const response = await getResponse<GetLoyaltyPageMetaDataData>(
    GetLoyaltyPageMetaData,
    variables
  )

  if (!response.data.all_loyalty_page.items[0].web?.seo_metadata?.title) {
    return null
  }
  const validatedMetaDataData =
    validateLoyaltyPageMetaDataContentstackSchema.safeParse(response.data)

  if (!validatedMetaDataData.success) {
    console.error(
      `Failed to validate Loyaltypage MetaData Data - (url: ${variables.url})`
    )
    console.error(validatedMetaDataData.error)
    return null
  }

  return getMetaData(validatedMetaDataData.data.all_loyalty_page.items[0])
}

async function getMyPagesMetaData(variables: Variables) {
  const response = await getResponse<GetMyPagesMetaDataData>(
    GetMyPagesMetaData,
    variables
  )

  if (!response.data.all_account_page.items[0].web?.seo_metadata?.title) {
    return []
  }

  const validatedMetaDataData =
    validateMyPagesMetaDataContentstackSchema.safeParse(response.data)

  if (!validatedMetaDataData.success) {
    console.error(
      `Failed to validate My Page MetaData Data - (url: ${variables.url})`
    )
    console.error(validatedMetaDataData.error)
    return null
  }

  return getMetaData(validatedMetaDataData.data.all_account_page.items[0])
}

export const metaDataQueryRouter = router({
  get: contentstackExtendedProcedureUID.query(async ({ ctx }) => {
    const variables = {
      locale: ctx.lang,
      url: ctx.pathname,
    }

    switch (ctx.contentType) {
      case PageTypeEnum.accountPage:
        return await getMyPagesMetaData(variables)
      case PageTypeEnum.loyaltyPage:
        return await getLoyaltyPageMetaData(variables)
      default:
        return []
    }
  }),
})