export type GetApiAuthCallbackProviderArgs = {provider: 'github' | 'microsoft' | 'azure-ad' | 'google', code?: string | undefined};

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

/**
 * OAuth callback endpoint
 * 
 * GET /auth/callback/{provider}
 */
export const getApiAuthCallbackProvider = async (args: GetApiAuthCallbackProviderArgs, options: GetApiAuthCallbackProviderOptions) => {
const {baseUrl, fetch: fetchFn = fetch} = options ?? {}

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

if (args.code != null) query.append("code", String(args.code))

const url = `${baseUrl.replace(/\/+$/, '')}/auth/callback/${encodeURIComponent(String(args.provider))}${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()
};