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import { constants as fsc } from "node:fs";
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import { access, mkdir } from "node:fs/promises";
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import { path_split } from "@cocalc/util/misc";
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import abspath from "./abspath";
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// Make sure that that the directory containing the file indicated by
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// the path exists and has restrictive permissions.
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export default async function ensureContainingDirectoryExists(
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  path: string,
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): Promise<void> {
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  path = abspath(path);
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  const containingDirectory = path_split(path).head; // containing path
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  if (!containingDirectory) return;
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  await ensureDirectoryExists(containingDirectory);
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}
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export async function ensureDirectoryExists(path: string): Promise<void> {
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  try {
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    await access(path, fsc.R_OK | fsc.W_OK);
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    // it exists, yeah!
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    return;
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  } catch (err) {
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    // Doesn't exist, so create, via recursion:
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    try {
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      await mkdir(path, { mode: 0o700, recursive: true });
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    } catch (err) {
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      if (err?.code === "EEXIST") {
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        // no problem -- it exists.
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        return;
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      } else {
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        throw err;
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      }
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    }
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  }
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}
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