export type WarmUpRequestV2 = {type: string, timestamp: string};

export type CreateApiWarmUpArgs = {'X-WarmUp': boolean, body: WarmUpRequestV2};

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

/**
 * Warm-up endpoint for initialising WebClient
 * 
 * POST /warm-up
 */
export const createApiWarmUp = async (args: CreateApiWarmUpArgs, options: CreateApiWarmUpOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('content-type', "application/json")

if (args['X-WarmUp'] != null) headers.set("X-WarmUp", String(args['X-WarmUp']))

const url = `${baseUrl.replace(/\/+$/, '')}/warm-up${query.size > 0 ? `?${query}` : ''}`

const res = await fetchFn(url, {method: "POST", headers, body: JSON.stringify(args.body)})

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

return undefined
};