export type GetApiV1OptionsAtmChainsTickerArgs = {ticker: string, expiration: string};

export type GetApiV1OptionsAtmChainsTickerOptions = {baseUrl?: string | undefined, bearerAuth?: string | undefined, fetch?: typeof fetch | undefined};

/**
 * ATM option chain pair for one ticker and one expiry (on-demand materialization)
 * 
 * GET /v1/options/atm-chains/{ticker}
 */
export const getApiV1OptionsAtmChainsTicker = async (args: GetApiV1OptionsAtmChainsTickerArgs, options?: GetApiV1OptionsAtmChainsTickerOptions) => {
const {baseUrl = "https://api.yehangshe.com", fetch: fetchFn = fetch, bearerAuth} = options ?? {}

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

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

const url = `${baseUrl.replace(/\/+$/, '')}/v1/options/atm-chains/${encodeURIComponent(String(args.ticker))}${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
};