export type GetApiAuthProviderLoginArgs = {provider: 'google' | 'facebook'};

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

/**
 * Entry point for starting oauth flow with specified provider.
 * 
 * GET /auth/{provider}/login
 * 
 * Also accepts auth: API-Key
 */
export const getApiAuthProviderLogin = async (args: GetApiAuthProviderLoginArgs, options: GetApiAuthProviderLoginOptions) => {
const {baseUrl, fetch: fetchFn = fetch, Bearer} = options ?? {}

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

if (Bearer !== undefined) headers.set("Authorization", Bearer)

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