# SPDX-License-Identifier: LSL-1.0
# Copyright (c) 2026 Markus Maiwald
# Stewardship: Self Sovereign Society Foundation
#
# This file is part of the Nexus Sovereign Core.
# See legal/LICENSE_SOVEREIGN.md for license terms.

## Sovereign Init: The Genesis Process

import ../../libs/membrane/libc

# --- M4.4: BKDL Capability Manifest (SPEC-071) ---
# Declares what capabilities this binary needs. The kernel reads this
# from the .nexus.manifest ELF section during loading and grants only
# what is declared here. No manifest = PLEDGE_STDIO only.
#
# Capabilities requested:
#   - Channel 0x1001 (console.output) WRITE
#   - Channel 0x2000 (VFS)            READ
#   - Channel 0x0500 (NET_TX)         WRITE
#   - Channel 0x0501 (NET_RX)         READ

{.emit: """
__attribute__((section(".nexus.manifest"), used))
static const unsigned char nexus_manifest[166] = {
  /* BkdlHeader (118 bytes) */
  0x53, 0x55, 0x58, 0x4E,                         /* magic: "NXUS" (LE) */
  0x01, 0x00,                                       /* version: 1 */
  0x00, 0x00,                                       /* flags: 0 */
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,  /* signature[0..63]: zeros */
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,  /* pubkey_hash[0..31]: zeros */
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
  0x04, 0x00,                                       /* cap_count: 4 */
  0x00, 0x00, 0x00, 0x00,                           /* blob_size: 0 */
  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,  /* entry_point: 0 */
  /* CapDescriptor[0]: console.output (0x1001) WRITE */
  0x02,                                             /* cap_type: Channel */
  0x02,                                             /* perms: PERM_WRITE */
  0x00, 0x00,                                       /* reserved */
  0x01, 0x10, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,  /* resource_id: 0x1001 (LE) */
  /* CapDescriptor[1]: VFS (0x2000) READ */
  0x02,                                             /* cap_type: Channel */
  0x01,                                             /* perms: PERM_READ */
  0x00, 0x00,                                       /* reserved */
  0x00, 0x20, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,  /* resource_id: 0x2000 (LE) */
  /* CapDescriptor[2]: NET_TX (0x0500) WRITE */
  0x02,                                             /* cap_type: Channel */
  0x02,                                             /* perms: PERM_WRITE */
  0x00, 0x00,                                       /* reserved */
  0x00, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,  /* resource_id: 0x0500 (LE) */
  /* CapDescriptor[3]: NET_RX (0x0501) READ */
  0x02,                                             /* cap_type: Channel */
  0x01,                                             /* perms: PERM_READ */
  0x00, 0x00,                                       /* reserved */
  0x01, 0x05, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00   /* resource_id: 0x0501 (LE) */
};
""".}

proc main() =
  # 1. Pledge Sovereignty
  discard pledge(0xFFFFFFFFFFFFFFFF'u64) # PLEDGE_ALL

  print(cstring("\n"))
  print(cstring("\x1b[1;35m╔═══════════════════════════════════════╗\x1b[0m\n"))
  print(cstring("\x1b[1;35m║     SOVEREIGN INIT (NexInit v1.0)     ║\x1b[0m\n"))
  print(cstring("\x1b[1;35m╚═══════════════════════════════════════╝\x1b[0m\n\n"))

  print(cstring("[INIT] PHASE_42_VERIFY: Membrane Network Stack...\\n"))
  # DISABLED: Network stack requires LwIP
  # membrane_init()

  # proc glue_get_ip(): uint32 {.importc: "glue_get_ip", cdecl.}

  # # --- DHCP PHASE ---
  # print(cstring("[INIT] Waiting for DHCP IP Address...\n"))
  # var ip: uint32 = 0
  # for i in 0 ..< 600: # 60 seconds
  #   pump_membrane_stack()
  #   ip = glue_get_ip()
  #   if ip != 0: break
  #   discard syscall(0x65, 100000000'u64) # 100ms

  # if ip == 0:
  #   print(cstring("[INIT] WARNING: DHCP Discovery timed out. Proceeding...\n"))
  # else:
  #   print(cstring("[INIT] Network ONLINE (10.0.2.15)\n"))

  # # --- DNS PHASE ---
  # print(cstring("\n[TEST] ══════════════════════════════════════\n"))
  # print(cstring("[TEST] DNS Resolution: google.com\n"))
  # print(cstring("[TEST] ══════════════════════════════════════\n\n"))

  # type
  #   AddrInfo {.importc: "struct addrinfo", header: "<netdb.h>".} = object

  # proc getaddrinfo(node: cstring, service: cstring, hints: pointer, res: ptr ptr AddrInfo): cint {.importc, header: "<netdb.h>".}
  # proc freeaddrinfo(res: ptr AddrInfo) {.importc, header: "<netdb.h>".}

  # var res: ptr AddrInfo
  # for attempt in 1..5:
  #   print(cstring("[TEST] Resolving google.com (Attempt "))
  #   # (Simplified number printing not available, just loop)

  #   if getaddrinfo("google.com", nil, nil, addr res) == 0:
  #     print(cstring(") -> SUCCESS!\n"))
  #     freeaddrinfo(res)
  #     break
  #   else:
  #     print(cstring(") -> FAILED. Waiting 5s...\n"))
  #     for j in 1..50:
  #       pump_membrane_stack()
  #       discard syscall(0x65, 100000000'u64) # 100ms

  # --- SHELL PHASE ---
  proc spawn_fiber(path: cstring): int =
    return int(syscall(0x300, cast[uint64](path), 0, 0))

  print(cstring("[INIT] Spawning mksh...\n"))
  discard spawn_fiber(cstring("/bin/mksh"))

  # --- SUPERVISOR PHASE ---
  print(cstring("[INIT] Entering Supervisor Loop...\n"))
  var loop_count = 0
  while true:
    # pump_membrane_stack()  # DISABLED: Requires LwIP
    loop_count += 1
    if loop_count mod 0x100000 == 0:  # Every ~1M iterations
      discard syscall(0x65, 1000000000'u64)  # 1s yield
    discard syscall(0x65, 100000000'u64) # 100ms

when isMainModule:
  main()