export type OptionsApiMetadataSiteStudyArgs = {study: string, site: string};

export type OptionsApiMetadataSiteStudyOptions = {baseUrl?: string | undefined, apiKey?: string | undefined, fetch?: typeof fetch | undefined};

/**
 * CORS support
 * 
 * OPTIONS /metadata/{site}/{study}
 */
export const optionsApiMetadataSiteStudy = async (args: OptionsApiMetadataSiteStudyArgs, options?: OptionsApiMetadataSiteStudyOptions) => {
const {baseUrl = "https://aggregator.smartcumulus.org", fetch: fetchFn = fetch, apiKey} = options ?? {}

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

if (apiKey !== undefined) headers.set("x-api-key", apiKey)

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

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

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

return undefined
};