import { ffprobe, type ProbeResult, redactAlistText } from "@umt/adapters";
import { vrawUrl } from "./vfs.ts";
import { parseVPath } from "./vpath.ts";

// 远端文件的 ffprobe(docs/design/storage-alist.md §7):不下载,直接对签名直链探测,ffprobe 只读容器头与少量包(HTTP Range)。
// 拿不到直链或探测失败返回 unknown(不阻塞,同本地 ffprobe 失败的口径)。直链进错误信息前脱敏。

export async function probeAny(
  path: string,
  local: (p: string) => Promise<ProbeResult> = (p) => ffprobe(p),
): Promise<ProbeResult> {
  if (!parseVPath(path)) return local(path);
  let url: string;
  try {
    url = await vrawUrl(path);
  } catch (e) {
    return { status: "unknown", reason: "probe_failed", message: redactAlistText(String((e as Error)?.message ?? e)) };
  }
  const r = await ffprobe(url, { inputArgs: ["-rw_timeout", "30000000"], timeoutMs: 60_000 });
  if (r.status === "unknown" && r.message)
    return { ...r, message: redactAlistText(r.message.split(url).join("<直链>")) };
  return r;
}