import {z} from 'zod'

export type GetApi202601AdvertisersMeOptions = {baseUrl?: string | undefined, oauth?: string | undefined, fetch?: typeof fetch | undefined};

export const portfolioMessage = z.object({advertiserName: z.string().nullable().optional()}).nullable();

export const entityOfPortfolioMessage = z.object({attributes: portfolioMessage.optional(), id: z.string().nullable().optional(), meta: z.object({}).nullable().optional(), type: z.enum(["campaign", "adset", "ad", "advertiser", "agency", "publisher", "address", "client", "contact", "industry"]).nullable().optional()});

export const criteoApiError = z.object({code: z.enum(["internal-error", "deprecated-field", "endpoint-deprecated", "required-field", "invalid-date-format", "invalid", "invalid-ranged", "invalid-timespan"]).nullable().optional(), detail: z.string().nullable().optional(), instance: z.string().nullable().optional(), source: z.record(z.string(), z.string()).nullable().optional(), title: z.string().nullable().optional(), traceId: z.string().nullable().optional(), type: z.enum(["access_control", "authentication", "authorization", "availability", "deprecation", "quota", "validation"]).nullable().optional()});

export const criteoApiWarning = z.object({code: z.enum(["internal-error", "deprecated-field", "endpoint-deprecated", "required-field", "invalid-date-format", "invalid", "invalid-ranged", "invalid-timespan"]).nullable().optional(), detail: z.string().nullable().optional(), instance: z.string().nullable().optional(), title: z.string().nullable().optional(), traceId: z.string().nullable().optional(), type: z.enum(["access_control", "authentication", "authorization", "availability", "deprecation", "quota", "validation"]).nullable().optional()});

export const getPortfolioResponse = z.object({data: z.array(entityOfPortfolioMessage).nullable().optional(), errors: z.array(criteoApiError).nullable().optional(), warnings: z.array(criteoApiWarning).nullable().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
};

/**
 * /2026-01/advertisers/me
 * 
 * GET /2026-01/advertisers/me
 */
export const getApi202601AdvertisersMe = async (options?: GetApi202601AdvertisersMeOptions) => {
const {baseUrl = "https://api.criteo.com", fetch: fetchFn = fetch, oauth} = options ?? {}

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

if (oauth !== undefined) headers.set('authorization', `Bearer ${oauth}`)

const url = `${baseUrl.replace(/\/+$/, '')}/2026-01/advertisers/me${query.size > 0 ? `?${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(getPortfolioResponse, await res.json())
};