middleware.ts

import { createServerClient, type CookieOptions } from '@supabase/ssr'
import { NextResponse, NextRequest } from 'next/server'

export async function middleware(request: NextRequest) {
  let response = NextResponse.next({
    request: {
      headers: request.headers,
    },
  })

  const supabase = createServerClient(
    process.env.NEXT_PUBLIC_SUPABASE_URL!,
    process.env.NEXT_PUBLIC_SUPABASE_ANON_KEY!,
    {
      cookies: {
        get(name: string) {
          return request.cookies.get(name)?.value
        },
        set(name: string, value: string, options: CookieOptions) {
          request.cookies.set({
            name,
            value,
            ...options,
          })
          response = NextResponse.next({
            request: {
              headers: request.headers,
            },
          })
          response.cookies.set({
            name,
            value,
            ...options,
          })
        },
        remove(name: string, options: CookieOptions) {
          request.cookies.set({
            name,
            value: '',
            ...options,
          })
          response = NextResponse.next({
            request: {
              headers: request.headers,
            },
          })
          response.cookies.set({
            name,
            value: '',
            ...options,
          })
        },
      },
    }
  )

  const {data} = await supabase.auth.getSession();
  
  if(data.session){
    if(data.session.user.user_metadata.role !== "admin"){
      return NextResponse.redirect(new URL("/" , request.url));
    }
  }
  else{
      return NextResponse.redirect(new URL("/" , request.url));
  }
  

  return response
}

export const config = {
   matcher:["/dashboard/:path*"],
};