# src/npl/nipbox/nipbox.nim
import std/[strutils, tables]

# --- COMMANDS ---

proc do_echo(args: seq[string]) =
  echo args.join(" ")

proc do_ls(args: seq[string]) =
  # A Sovereign 'ls' - eventually this will query the NPL filesystem
  echo ".          .."
  echo "kernel     subject"
  echo "matrix     ion"
  echo "vault      pki"

const CMD_GPU_MATRIX = 0x100
const CMD_GPU_CLEAR = 0x101

proc nexus_syscall(cmd: uint32, arg: uint32): cint {.importc, cdecl.}

proc do_matrix(args: seq[string]) =
  let enable = if args.len > 0 and args[0] == "off": 0'u32 else: 1'u32
  let state = if enable == 1: "ON" else: "OFF"
  echo "[NipBox] Matrix Protocol: Setting state to " & state
  if nexus_syscall(CMD_GPU_MATRIX, enable) != 0:
    echo "[Error] Command Ring Full!"
  else:
    echo "[NipBox] Command Sent Successfully."

proc do_help(args: seq[string]) =
  echo "NipBox v0.1 (Sovereign Coreutils)"
  echo "  echo [args...] : Print arguments"
  echo "  ls             : List sovereign objects"
  echo "  matrix [on/off]: Toggle visualizer"
  echo "  help           : Show this message"
  echo "  version        : Show version info"

proc do_version(args: seq[string]) =
  echo "NipBox v0.1.0"
  echo "Built: 2025-12-31"
  echo "Architect: Markus Maiwald | Voxis Forge (AI)"

const CMD_GET_GPU_STATUS = 0x102

proc do_status(args: seq[string]) =
  echo "[NipBox] Querying GPU Status..."
  let status = nexus_syscall(CMD_GET_GPU_STATUS, 0)
  echo "GPU Status: ", if status == 1: "ONLINE (Retina Active)" else: "OFFLINE"

# --- DISPATCHER ---

const commands = {
  "echo": do_echo,
  "ls": do_ls,
  "matrix": do_matrix,
  "status": do_status,
  "help": do_help,
  "version": do_version
}.toTable

proc main() =
  proc nexus_yield() {.importc, cdecl.}
  echo "\n[NipBox] Shell Ready. Waiting for orders..."

  while true:
    stdout.write("root@nexus:# ")
    stdout.flushFile()

    let line = try: stdin.readLine() except: ""

    if line.len == 0:
      nexus_yield()
      continue

    let parts = line.split(' ')
    if parts.len == 0: continue
    let cmd = parts[0]
    let args = if parts.len > 1: parts[1..^1] else: @[]

    if commands.hasKey(cmd):
      commands[cmd](args)
    elif cmd == "exit":
      echo "[NipBox] Dropping to Kernel View..."
      break
    else:
      echo "nipbox: command not found: ", cmd

when isMainModule:
  main()