export type GetApiMembersUsernameArgs = {username?: string | undefined, locale?: string | undefined};

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

/**
 * Returns available usernames
 * 
 * GET /members/username
 */
export const getApiMembersUsername = async (args: GetApiMembersUsernameArgs, options?: GetApiMembersUsernameOptions) => {
const {baseUrl = "https://api.betaseries.com", fetch: fetchFn = fetch, BetaSeriesApiKey} = options ?? {}

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

if (args.username != null) query.append("username", String(args.username))
if (args.locale != null) query.append("locale", String(args.locale))
if (BetaSeriesApiKey !== undefined) headers.set("X-BetaSeries-Key", BetaSeriesApiKey)

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