import { handlePaths } from "next-wayfinder";
import { NextResponse } from "next/server";
 
// the first matching middleware will be applied
export default handlePaths(
    [
        {
            path: "/dashboard/:lang/:path*",
            // We can filter this to apply only if some params matches exactly our needs
            guard: params => params.lang === "en",
            handler: async req => {
                // url params are injected by `handlePaths`
                // in addition to req.query
                // this is done because you might want to handle paths
                // that are not available under your `app` or `pages` directory.
                console.log(req.params);
 
                // do some checks
                if (!isAuthenticated(req)) {
                    return NextResponse.redirect("/");
                }
 
                // continue the request
                return NextResponse.next();
            },
        },
        {
            hostname: /^app\./,
            // rewrites all routes on hostname app.* to the `pages/app/<path>`
            handler: req =>
                NextResponse.rewrite(
                    new URL("/app${req.nextUrl.pathname}", req.url)
                ),
        },
        {
            // easy syntax for redirects
            path: "/blog/:slug/edit",
            // params will be replaced automatically
            redirectTo: "/dashboard/posts/:slug",
        },
    ],
    {
        // inject custom data, like session etc
        // it will be available inside `req.injected`
        injector: async req => ({ isLoggedIn: !!req.session }),
        debug: process.env.NODE_ENV !== "production",
    }
);