// 端到端跑一次「合成完整视频」:提交 → 轮询进度 → 拿成片地址(验证 ffmpeg 真拼出来了)
const API = process.env.API || "http://127.0.0.1:8010";
const PROJECT = process.argv[2];
if (!PROJECT) throw new Error("用法: node _merge-e2e.mjs <projectId>");

const login = await (await fetch(`${API}/api/auth/login/`, {
  method: "POST",
  headers: { "Content-Type": "application/json" },
  body: JSON.stringify({ username: "airshelf", password: "Restraint2026" })
})).json();
const auth = { Authorization: `Token ${login.token}`, "Content-Type": "application/json" };

const t0 = Date.now();
const submit = await fetch(`${API}/api/projects/${PROJECT}/submit-export/`, { method: "POST", headers: auth });
console.log("submit:", submit.status, JSON.stringify(await submit.json()));

// 顺手验一下防重复:立刻再提一次,应该拿到同一条任务
const again = await (await fetch(`${API}/api/projects/${PROJECT}/submit-export/`, { method: "POST", headers: auth })).json();
console.log("再提一次(应复用同一任务):", again.id, again.status);

for (let i = 0; i < 200; i += 1) {
  await new Promise((r) => setTimeout(r, 2000));
  const res = await (await fetch(`${API}/api/projects/${PROJECT}/poll-export/`, { method: "POST", headers: auth })).json();
  const secs = ((Date.now() - t0) / 1000).toFixed(0);
  console.log(`  ${secs}s · ${res.status} · ${res.progress}%`, res.error_message || "");
  if (res.status === "succeeded") {
    console.log("成片:", res.output_url);
    const head = await fetch(res.output_url, { method: "HEAD" });
    console.log("成片可访问:", head.status, head.headers.get("content-type"), head.headers.get("content-length"), "bytes");
    const detail = await (await fetch(`${API}/api/projects/${PROJECT}/`, { headers: auth })).json();
    console.log("详情 final_video_url:", detail.final_video_url ? "有" : "空", "· current_stage:", detail.current_stage);
    break;
  }
  if (res.status === "failed") { console.log("失败:", res.error_message); break; }
}