Middleware

import authConfig from "@/auth.config"
import {
  apiAuthPrefix,
  authRoutes,
  DEFAULT_LOGIN_REDIRECT,
  publicRoutes,
} from "@/routes"
import NextAuth from "next-auth"

const { auth } = NextAuth(authConfig)

export default auth(req => {
  const { nextUrl } = req
  const isLoggedIn = !!req.auth

  const isApiAuthRoute = nextUrl.pathname.startsWith(apiAuthPrefix)
  const isPublicRoute = publicRoutes.includes(nextUrl.pathname)
  const isAuthRoute = authRoutes.includes(nextUrl.pathname)

  if (isApiAuthRoute) {
    return
  }

  if (isAuthRoute) {
    if (isLoggedIn) {
      return Response.redirect(new URL(DEFAULT_LOGIN_REDIRECT, nextUrl))
    }
    return
  }

  if (!isLoggedIn && !isPublicRoute) {
    let callbackUrl = nextUrl.pathname
    if (nextUrl.search) {
      callbackUrl += nextUrl.search
    }

    const encodedCallbackUrl = encodeURIComponent(callbackUrl)

    return Response.redirect(
      new URL(`/login?callbackUrl=${encodedCallbackUrl}`, nextUrl)
    )
  }

  return
})

// Optionally, don't invoke Middleware on some paths
export const config = {
  matcher: ["/((?!.+\\.[\\w]+$|_next).*)", "/", "/(api|trpc)(.*)"],
}