import {z} from 'zod'

export type GetApiV4AdvertisersAdvertisersIdReachForecastRetrievePlannableUserInterestsArgs = {advertisersId: string, productCategory?: ('PLANNABLE_PRODUCT_CATEGORY_UNSPECIFIED' | 'YOUTUBE' | 'OPEN_AUCTION') | undefined};

export type GetApiV4AdvertisersAdvertisersIdReachForecastRetrievePlannableUserInterestsOptions = {baseUrl?: string | undefined, Oauth2?: string | undefined, Oauth2c?: string | undefined, fetch?: typeof fetch | undefined};

export const userInterest = z.object({userInterestCategory: z.string().optional(), userInterestUserList: z.string().optional()});

export const plannableUserInterest = z.object({userInterest: userInterest.optional(), userInterestDisplayName: z.string().optional(), userInterestPath: z.string().optional(), userInterestType: z.string().optional()});

export const retrievePlannableUserInterestsResponse = z.object({plannableUserInterests: z.array(plannableUserInterest).optional()});

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
};

/**
 * Retrieves Google Audiences (User Interests) available for forecasting. API support for generating reach forecasts and retrieving related metadata is in beta. This method is only available to allowlisted users.
 * 
 * GET /v4/advertisers/{advertisersId}/reachForecast:retrievePlannableUserInterests
 */
export const getApiV4AdvertisersAdvertisersIdReachForecastRetrievePlannableUserInterests = async (args: GetApiV4AdvertisersAdvertisersIdReachForecastRetrievePlannableUserInterestsArgs, options?: GetApiV4AdvertisersAdvertisersIdReachForecastRetrievePlannableUserInterestsOptions) => {
const {baseUrl = "https://displayvideo.googleapis.com", fetch: fetchFn = fetch, Oauth2, Oauth2c} = options ?? {}

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

if (args.productCategory != null) query.append("productCategory", String(args.productCategory))
if (Oauth2 !== undefined) headers.set('authorization', `Bearer ${Oauth2}`)
if (Oauth2c !== undefined) headers.set('authorization', `Bearer ${Oauth2c}`)

const url = `${baseUrl.replace(/\/+$/, '')}/v4/advertisers/${encodeURIComponent(String(args.advertisersId))}/reachForecast:retrievePlannableUserInterests${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(retrievePlannableUserInterestsResponse, await res.json())
};