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

/**
 * Get current rate as plain text
 * 
 * GET /rate.txt
 */
export const getApiRateTxt = async (options?: GetApiRateTxtOptions) => {
const {baseUrl = "https://paralelo.bo/api/v1", fetch: fetchFn = fetch} = options ?? {}

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

const url = `${baseUrl.replace(/\/+$/, '')}/rate.txt${query.size > 0 ? `?${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.text()
};