/*
 * SPEC: PJ2026-010101 HWPOD 标准；PJ2026-010102 HWPOD 工具。
 * 责任: 提供 HWPOD spec document 的共享标准化与校验。
 */

export function normalizeHwpodSpec(document: any, specPath: string) {
  const root = objectValue(document);
  if (root.kind !== "Hwpod") throw codedError("invalid_hwpod_spec_kind", "hwpod-spec kind must be Hwpod", { specPath, kind: root.kind });
  const spec = objectValue(root.spec);
  const metadata = objectValue(root.metadata);
  for (const key of ["targetDevice", "workspace", "debugProbe", "ioProbe"]) {
    if (!isPlainObject(spec[key])) throw codedError("invalid_hwpod_spec_element", `hwpod-spec missing ${key}`, { specPath, element: key });
  }
  const workspacePath = requiredText(spec.workspace.path, "spec.workspace.path");
  const nodeBinding = objectValue(spec.nodeBinding);
  const nodeId = requiredText(nodeBinding.nodeId, "spec.nodeBinding.nodeId");
  const name = requiredText(metadata.name ?? metadata.uid, "metadata.name");
  return {
    apiVersion: text(root.apiVersion) || "hwlab.pikastech.com/v1alpha1",
    kind: "Hwpod",
    metadata: { ...metadata, name },
    spec: {
      ...spec,
      nodeBinding: { ...nodeBinding, nodeId },
      workspace: { ...spec.workspace, path: workspacePath },
      targetDevice: spec.targetDevice,
      debugProbe: spec.debugProbe,
      ioProbe: spec.ioProbe,
    },
  };
}

function objectValue(value: unknown) { return isPlainObject(value) ? value as Record<string, any> : {}; }
function isPlainObject(value: unknown) { return Boolean(value && typeof value === "object" && !Array.isArray(value)); }
function text(value: unknown) { return typeof value === "string" && value.trim() ? value.trim() : ""; }
function requiredText(value: unknown, name: string) { const normalized = text(value); if (!normalized) throw codedError("required_option_missing", `${name} is required`, { name }); return normalized; }
function codedError(code: string, message: string, details: Record<string, unknown> = {}) { return Object.assign(new Error(message), { code, details }); }