#!/usr/bin/env node

function writeJson(payload) {
  process.stdout.write(`${JSON.stringify(payload)}\n`);
}

async function readStdin() {
  const chunks = [];
  for await (const chunk of process.stdin) {
    chunks.push(typeof chunk === "string" ? chunk : chunk.toString("utf8"));
  }
  return chunks.join("").trim();
}

function normalizePayload(raw) {
  try {
    const parsed = JSON.parse(raw);
    if (!parsed || typeof parsed !== "object" || Array.isArray(parsed)) {
      return {
        ok: false,
        error: "INVALID_OMX_PAYLOAD: expected object",
      };
    }
    return {
      ok: true,
      payload: parsed,
    };
  } catch {
    return {
      ok: false,
      error: "INVALID_OMX_PAYLOAD: invalid json",
    };
  }
}

const raw = await readStdin();
const normalized = normalizePayload(raw);

if (!normalized.ok) {
  writeJson({
    status: "failed",
    error: normalized.error,
  });
  process.exit(0);
}

const payload = normalized.payload;
const requestKind = typeof payload.requestKind === "string" ? payload.requestKind : "unknown";
const workersRequested =
  typeof payload.workersRequested === "number" && Number.isFinite(payload.workersRequested)
    ? payload.workersRequested
    : 1;
const objective =
  typeof payload.objective === "string" && payload.objective.trim()
    ? payload.objective.trim()
    : "OMX Team 链路正常";

writeJson({
  status: "completed",
  backendId: "omx-team",
  requestId: typeof payload.requestId === "string" ? payload.requestId : undefined,
  dispatchExecutionId:
    typeof payload.dispatchExecutionId === "string" ? payload.dispatchExecutionId : undefined,
  rawThreadReply: `OMX smoke completed: ${objective} (kind=${requestKind}, workers=${workersRequested})`,
  replyBody: `主 Agent 汇总：${objective}`,
  summary: `OMX smoke completed: ${objective} (kind=${requestKind}, workers=${workersRequested})`,
});