export type GetApiV2RatesConusZipcodesYearArgs = {year: unknown};

export type GetApiV2RatesConusZipcodesYearOptions = {baseUrl?: string | undefined, ApiKeyAuth?: string | undefined, fetch?: typeof fetch | undefined};

/**
 * Mapping of ZIP code to Destination-IDs and state locations
 * 
 * GET /v2/rates/conus/zipcodes/{year}
 */
export const getApiV2RatesConusZipcodesYear = async (args: GetApiV2RatesConusZipcodesYearArgs, options?: GetApiV2RatesConusZipcodesYearOptions) => {
const {baseUrl = "https://api.gsa.gov/travel/perdiem", fetch: fetchFn = fetch, ApiKeyAuth} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()

if (ApiKeyAuth !== undefined) headers.set("X-API-KEY", ApiKeyAuth)

const url = `${baseUrl.replace(/\/+$/, '')}/v2/rates/conus/zipcodes/${encodeURIComponent(String(args.year))}${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 undefined
};