import {z} from 'zod'

export type AdGroupIdType = string;

export type GetApiAdAccountsAdAccountIdCampaignAdPreviewArgs = {ad_group_ids: Array<AdGroupIdType>, ad_account_id: string};

export type GetApiAdAccountsAdAccountIdCampaignAdPreviewOptions = {baseUrl?: string | undefined, pinterestOauth2?: string | undefined, fetch?: typeof fetch | undefined};

export const campaignAdPreview = z.object({ad_account_id: z.string(), ad_group_id: z.string().max(18), client_id: z.number().int().optional(), expires_at: z.number().int(), is_active: z.boolean(), pin_id: z.number().int().optional(), pin_promotion_id: z.number().int().optional(), promoted_product_group_id: z.number().int().optional(), url: z.string(), user_id: z.number().int(), uuid: z.string()});

export const getApiAdAccountsAdAccountIdCampaignAdPreviewResponse = z.array(campaignAdPreview);

export const validateResponse = async <Output>(
  schema: {
    readonly '~standard': {
      readonly validate: (value: unknown) => ({ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }) | Promise<{ readonly value: Output; readonly issues?: undefined } | { readonly issues: ReadonlyArray<{ readonly message: string; readonly path?: ReadonlyArray<PropertyKey | { readonly key: PropertyKey }> | undefined }> }>
    }
  },
  value: unknown
): Promise<Output> => {
  const result = await schema['~standard'].validate(value)

  if (result.issues !== undefined) {
    const detail = result.issues
      .map(({ message, path }) =>
        path?.length
          ? `${path.map((segment) => String(typeof segment === 'object' ? segment.key : segment)).join('.')}: ${message}`
          : message
      )
      .join('; ')

    throw new Error(`Response does not match the schema: ${detail}`, { cause: { issues: result.issues } })
  }

  return result.value
};

/**
 * Fetch ad preview records for one or more ad groups
 * 
 * GET /ad_accounts/{ad_account_id}/campaign_ad_preview
 */
export const getApiAdAccountsAdAccountIdCampaignAdPreview = async (args: GetApiAdAccountsAdAccountIdCampaignAdPreviewArgs, options?: GetApiAdAccountsAdAccountIdCampaignAdPreviewOptions) => {
const {baseUrl = "https://api.pinterest.com/v5", fetch: fetchFn = fetch, pinterestOauth2} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('accept', "application/json")

for (const item of args.ad_group_ids ?? []) query.append("ad_group_ids", String(item))
if (pinterestOauth2 !== undefined) headers.set('authorization', `Bearer ${pinterestOauth2}`)

const url = `${baseUrl.replace(/\/+$/, '')}/ad_accounts/${encodeURIComponent(String(args.ad_account_id))}/campaign_ad_preview${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "GET", headers})

if (!res.ok) throw new Error(`Request failed with status ${res.status}`, {cause: {status: res.status, body: await res.text()}})

return validateResponse(getApiAdAccountsAdAccountIdCampaignAdPreviewResponse, await res.json())
};