frontend/lib/supabase-server.ts

import { createServerClient } from "@supabase/ssr"
import { cookies } from "next/headers"

export async function createServerSupabaseClient() {
  const cookieStore = await cookies()
  return createServerClient(
    process.env.NEXT_PUBLIC_SUPABASE_URL!,
    process.env.NEXT_PUBLIC_SUPABASE_ANON_KEY!,
    {
      cookies: {
        getAll() {
          return cookieStore.getAll()
        },
        setAll(cookiesToSet) {
          try {
            cookiesToSet.forEach(({ name, value, options }) =>
              cookieStore.set(name, value, options)
            )
          } catch {
            // Server components can't set cookies — middleware handles session refresh
          }
        },
      },
    }
  )
}

export async function getServerUser() {
  try {
    const supabase = await createServerSupabaseClient()
    const { data: { user }, error } = await supabase.auth.getUser()
    if (error || !user) return null
    return user
  } catch {
    return null
  }
}