export type GetApiSigusdExchangeArgs = {amount: number, address: string, checkRate?: number | undefined, executionFee?: number | undefined};

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

/**
 * Builds ErgoPayRequest for SigUSD exchange
 * 
 * GET /sigusd/exchange/
 */
export const getApiSigusdExchange = async (args: GetApiSigusdExchangeArgs, options?: GetApiSigusdExchangeOptions) => {
const {baseUrl = "https://api.tokenjay.app", fetch: fetchFn = fetch} = options ?? {}

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

if (args.amount != null) query.append("amount", String(args.amount))
if (args.address != null) query.append("address", String(args.address))
if (args.checkRate != null) query.append("checkRate", String(args.checkRate))
if (args.executionFee != null) query.append("executionFee", String(args.executionFee))

const url = `${baseUrl.replace(/\/+$/, '')}/sigusd/exchange/${query.size > 0 ? `?${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 res.blob()
};