import { NextRequest, NextResponse } from 'next/server';
import { getSession } from './utils/auth/session';

export const config = {
    matcher: ['/((?!api|_next/static|_next/image|.*\\.png$).*)'],
};

const publicRoutes = [
    /^\/article\/[^/]+?\/?$/, // /article/sample-slug
    /^\/login\/?$/,
    /^\/profile\/[^/]+?\/?$/, // /profile/sample-username
    /^\/profile\/[^/]+?\/favorites\/?$/, // /profile/sample-username/favorites
    /^\/register\/?$/,
    /^\/$/,
] as const;

const isPublicRoutes = (pathname: string) => {
    return publicRoutes.some((route) => route.test(pathname));
};

const isPrivateRoutes = (pathname: string) => {
    return !isPublicRoutes(pathname);
};

const middleware = async (req: NextRequest) => {
    const session = await getSession();
    if (isPrivateRoutes(req.nextUrl.pathname) && session == null) {
        return NextResponse.redirect(new URL('/login', req.nextUrl));
    }

    return NextResponse.next();
};

export default middleware;