#!/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_CLAW_PAYLOAD: expected object",
      };
    }
    return {
      ok: true,
      payload: parsed,
    };
  } catch {
    return {
      ok: false,
      error: "INVALID_CLAW_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 model = typeof payload.model === "string" && payload.model.trim() ? payload.model.trim() : "default";
const reasoningEffort =
  typeof payload.reasoningEffort === "string" && payload.reasoningEffort.trim()
    ? payload.reasoningEffort.trim()
    : "default";
const executionPrompt =
  typeof payload.executionPrompt === "string" && payload.executionPrompt.trim()
    ? payload.executionPrompt.trim()
    : "链路正常";

writeJson({
  status: "completed",
  output: `Claw smoke completed: ${executionPrompt} (kind=${requestKind}, model=${model}, reasoning=${reasoningEffort})`,
});