export type CreateApiOauthTokenArgs = {body: {client_id: number, client_secret: string, grant_type: string, code: string, refresh_token: string, password: string, redirect_uri: string}};

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

/**
 * Get access token
 * 
 * POST /oauth/token
 */
export const createApiOauthToken = async (args: CreateApiOauthTokenArgs, options?: CreateApiOauthTokenOptions) => {
const {baseUrl = "http://api.gostarmartbus.com/api", fetch: fetchFn = fetch} = options ?? {}

const query = new URLSearchParams()
const headers = new Headers()
headers.set('content-type', "application/x-www-form-urlencoded")

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

const res = await fetchFn(url, {method: "POST", headers, body: new URLSearchParams(Object.entries(args.body).flatMap(([key, value]) => (value == null ? [] : [[key, String(value)]])))})

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

return undefined
};