(* Test Two-Phase Boot: Ivory → Solid
 *
 * This matches the C Vere boot flow:
 * 1. Boot ivory pill (lite boot, creates minimal kernel)
 * 2. Boot solid events (metamorphosis to full kernel)
 *)

open Nock_lib

let test_boot env =
  Printf.printf "🎯 Testing Two-Phase Boot (Ivory → Solid)\n\n";

  Eio.Switch.run @@ fun _sw ->
  let fs = Eio.Stdenv.fs env in

  (* Create runtime state *)
  let state = State.create () in

  (* Boot with ivory + solid *)
  match Boot.boot_solid ~fs state "ivory.pill" "solid.pill" with
  | Error msg ->
      Printf.printf "❌ Boot failed: %s\n" msg;
      exit 1
  | Ok () ->
      Printf.printf "✅ Boot succeeded!\n\n";

      (* Check kernel state *)
      let arvo = State.get_arvo state in
      Printf.printf "Arvo kernel structure:\n";
      Printf.printf "  Type: %s\n"
        (if Noun.is_cell arvo then "Cell" else "Atom");

      Printf.printf "\n🎉 TWO-PHASE BOOT COMPLETE!\n"

let () =
  Printf.printf "\n";
  Printf.printf "═══════════════════════════════════════════════════════════\n";
  Printf.printf " Testing Two-Phase Boot System\n";
  Printf.printf "═══════════════════════════════════════════════════════════\n";
  Printf.printf "\n";

  Eio_main.run test_boot