import { SessionAuthObject } from '@clerk/backend';
import { GetAuthFnNoRequest, RedirectFun } from '@clerk/backend/internal';
import { APIContext } from 'astro';

/**
 * These types are copied from astro.
 * In Astro v3 and v4 both resolve in the save types, but
 * in v3 `MiddlewareNext` is a generic and in v4 it is not.
 */
type MiddlewareNext = () => Promise<Response>;
type MiddlewareHandler = (context: APIContext, next: MiddlewareNext) => Promise<Response> | Response | Promise<void> | void;
type AstroMiddleware = MiddlewareHandler;
type AstroMiddlewareContextParam = APIContext;
type AstroMiddlewareNextParam = MiddlewareNext;
type AstroMiddlewareReturn = Response | Promise<Response>;
type SessionAuthObjectWithRedirect = SessionAuthObject & {
    redirectToSignIn: RedirectFun<Response>;
};
type AuthFn = GetAuthFnNoRequest<SessionAuthObjectWithRedirect>;

export type { AstroMiddleware as A, SessionAuthObjectWithRedirect as S, AstroMiddlewareContextParam as a, AstroMiddlewareNextParam as b, AstroMiddlewareReturn as c, AuthFn as d };