subman-nextjs/src/middleware.ts

"use server"
import { NextRequest, NextResponse } from "next/server";
import { verifyJwt } from "app/api/auth/actions";

const protectedRoutes = ['/story', '/submission', '/publication']

// Function to match the * wildcard character
function matchesWildcard(path: string, pattern: string): boolean {
	if (pattern.endsWith('/*')) {
		const basePattern = pattern.slice(0, -2);
		return path.startsWith(basePattern);
	}
	return path === pattern;
}

export default async function(request: NextRequest): Promise<NextResponse> | undefined {


	const url = request.nextUrl.clone()
	url.pathname = "/login"
	url.searchParams.set('from', request.nextUrl.pathname)
	if (protectedRoutes.some(pattern => matchesWildcard(request.nextUrl.pathname, pattern))) {
		const token = request.cookies.get('token')
		//NOTE - may need to add logic to return 401 for api routes

		if (!token) {
			console.log("there is no jwt")
			return NextResponse.redirect(url)
		}

		try {
			//decode and verify jwt cookie
			const jwtIsVerified = await verifyJwt(token.value)
			if (!jwtIsVerified) {
				//delete token
				console.log('could not verify jwt')
				request.cookies.delete('token')
				return NextResponse.redirect(url)
			}
		} catch (error) {
			//delete token (failsafe)
			console.error("failed to very jwt", error.message)
			request.cookies.delete('token')
			return NextResponse.redirect(url)
		}

		//TODO - TEST THIS BECAUSE IT PROBABLY DOESN'T WORK
		//redirect from login if already logged in
		let redirectToApp = false
		if (request.nextUrl.pathname === "/login") {
			const token = request.cookies.get("token")
			if (token) {
				try {
					const payload = await verifyJwt(token.value)
					if (payload) {
						redirectToApp = true
					} else {
						request.cookies.delete('token')
					}
				} catch (error) {
					request.cookies.delete('token')
				}
			}
		}

		if (redirectToApp) {
			return NextResponse.redirect(`${process.env.NEXT_PUBLIC_BASE_URL}/submission`)
		} else {
			return NextResponse.next()
		}




	}
}