import { MiddlewareHandlerContext, Status } from "$fresh/server.ts";

export const handler = async (
    req: Request,
    ctx: MiddlewareHandlerContext<Record<string, unknown>>,
  ) => {
    const authRequired = Deno.env.get("AUTH_REQUIRED") === "true";
    if (authRequired) {
        const login = ctx.state["login"];
        if (!login) {
            return new Response(null, {
                status: Status.Found,
                headers: {
                  Location: `/login?redirect=${encodeURIComponent(req.url)}`,
                }
            });
        }
    }
    return await ctx.next();
}