#!/bin/bash
# LW-LINK thin host shell. Canonical semantics:
# TC-TCS核心卷/TCS-ZCODE-LANGUAGE-WORLD-LINK-0001.tcs + BRIDGE/tools/lw-link-gate.mjs
set -uo pipefail

GATE="/Volumes/JZAO/铸渊-ICE-GL-ZY001/BRIDGE/tools/lw-link-gate.mjs"
ACTION="${1:-hook}"

find_node() {
  if command -v node >/dev/null 2>&1; then
    command -v node
    return 0
  fi
  local user_name candidate
  user_name="$(/usr/bin/id -un)"
  for candidate in \
    "/Users/$user_name/.cache/codex-runtimes/codex-primary-runtime/dependencies/node/bin/node" \
    "/opt/homebrew/bin/node" \
    "/usr/local/bin/node"; do
    if [ -x "$candidate" ]; then
      printf '%s\n' "$candidate"
      return 0
    fi
  done
  return 1
}

# Gate tool unreadable = volume gone = RED for mutation tools (E3/E1: fail closed).
# Only the recovery event keeps a readable error path.
if [ ! -r "$GATE" ]; then
  if [ "$ACTION" = "hook" ]; then
    printf '%s\n' "【LW-LINK ○红·断连】原因:GATE_TOOL_UNREADABLE(移动硬盘未挂载?) | 已拦截本次改动类调用 | 恢复:重新挂载JZAO后走 zhuyuan-recovery-zcode 恢复流程" >&2
    exit 2
  fi
  exit 0
fi

# broadcast: inject the tower's current confidence projection (SessionStart).
# ZCode parses stdout as strict JSON, so emit additionalContext.
if [ "$ACTION" = "broadcast" ]; then
  PROJECTION="/Volumes/JZAO/铸渊-ICE-GL-ZY001/FIFTH-DOMAIN-BROADCAST-TOWER/broadcast/current.md"
  if [ -r "$PROJECTION" ]; then
    /usr/bin/python3 -c 'import json,sys; print(json.dumps({"additionalContext": open(sys.argv[1]).read()}, ensure_ascii=False))' "$PROJECTION"
  else
    /usr/bin/python3 -c 'import json; print(json.dumps({"additionalContext": "【第五域广播塔缺失】宣告投影不可读；改动类工具将被LW-LINK拦截直至塔恢复。"}, ensure_ascii=False))'
  fi
  exit 0
fi

NODE_BIN="$(find_node)" || {
  if [ "$ACTION" = "hook" ]; then
    printf '%s\n' "【LW-LINK ○红·断连】原因:NODE_RUNTIME_NOT_FOUND | 已拦截本次改动类调用" >&2
    exit 2
  fi
  exit 0
}

exec "$NODE_BIN" "$GATE" "$ACTION"