/**
 * 容器入口：立刻打日志 → 校验必填 env / 数据目录 → 加载 Nitro。
 * 直接 import .output（不跑 eve start prewarm，避免 HF 启动卡住）。
 * 沙箱在 create 时空建 session，不依赖模板。
 */
const t0 = Date.now();

const log = (msg) => process.stdout.write(`[evework] ${msg}\n`);
const fail = (msg) => {
  process.stderr.write(`[evework] FATAL (+${Date.now() - t0}ms): ${msg}\n`);
  process.exit(1);
};

log(`start pid=${process.pid} node=${process.version} cwd=${process.cwd()}`);

const has = (name) => Boolean(process.env[name]?.trim());
const world = (process.env.WORKFLOW_WORLD ?? "local").trim().toLowerCase();
// Message MCP url 写死在 agent/connections/message.ts；可选 MESSAGE_MCP_TOKEN。
const missing = ["CUSTOM_BASE_URL", "CUSTOM_MODEL"].filter((k) => !has(k));
if (world === "postgres" || world === "world-postgres") {
  if (!has("WORKFLOW_POSTGRES_URL")) missing.push("WORKFLOW_POSTGRES_URL");
}
if (missing.length > 0) {
  fail(
    `缺少环境变量: ${missing.join(", ")}。` +
      `HF → Settings → Variables and secrets。` +
      `镜像默认 WORKFLOW_WORLD=postgres，需 WORKFLOW_POSTGRES_URL；` +
      `也可设 WORKFLOW_WORLD=local（状态写容器内 .workflow-data，重启丢失）。`,
  );
}

const dataDir = (process.env.EVEAGENT_DATA_DIR ?? "/data").trim() || "/data";
try {
  const { accessSync, constants, mkdirSync } = await import("node:fs");
  mkdirSync(dataDir, { recursive: true });
  accessSync(dataDir, constants.W_OK);
} catch (err) {
  const detail = err instanceof Error ? err.message : String(err);
  fail(`数据目录不可写: ${dataDir}（${detail}）。请挂载可写卷或修正 EVEAGENT_DATA_DIR`);
}

log(
  `workflow=${world} data=${dataDir} agent_key=${has("AGENT_API_KEY") ? "set" : "missing"}`,
);

const entry = new URL("./.output/server/index.mjs", import.meta.url);
log(`import ${entry.pathname}`);
try {
  await import(entry.href);
  log(`nitro loaded +${Date.now() - t0}ms`);
} catch (err) {
  const message = err instanceof Error ? (err.stack ?? err.message) : String(err);
  fail(`import 失败:\n${message}`);
}