import { mkdtempSync } from "node:fs";
import { tmpdir } from "node:os";
import { join } from "node:path";

/** Writes extra test courses to a temp dir: a restricted one and a gated one with a deck on a module. */
export async function extraCourses(): Promise<string> {
  const dir = mkdtempSync(join(tmpdir(), "stc-courses-"));
  await Bun.write(join(dir, "secret/stcourse.yaml"), `schema: 1
id: secret
title: Secret course
visibility: restricted
collections: [DevOps]
modules:
  - id: m1
    title: Only module
    lessons:
      - { id: s1, title: Hidden lesson, type: text, file: a.md }
`);
  await Bun.write(join(dir, "secret/a.md"), "# Hidden\n\nwords here");
  await Bun.write(join(dir, "gated/stcourse.yaml"), `schema: 1
id: gated
title: Gated course
pitch: Learn things in order
visibility: signed-in
gating: sequential
collections: [DevOps, Functional programming]
decks:
  - { id: dk, file: "Æble slides/deck one.pdf", title: Deck one, attachTo: g2 }
attachments:
  - { file: "Æble slides/cheat sheet.pdf", title: Cheat sheet, module: g1 }
modules:
  - id: g1
    title: First
    lessons:
      - { id: g1a, title: Start here, type: text, file: "lessons/one.md" }
      - { id: g1b, title: Then this, type: text, file: "lessons/two.md" }
  - id: g2
    title: Second
    lessons:
      - { id: g2a, title: Locked lesson, type: text, file: "lessons/three.md" }
`);
  await Bun.write(join(dir, "gated/lessons/one.md"), "# One\n\nSee [two](two.md).\n");
  await Bun.write(join(dir, "gated/lessons/two.md"), "# Two\n");
  await Bun.write(join(dir, "gated/lessons/three.md"), "# Three\n\nsecret content");
  await Bun.write(join(dir, "gated/Æble slides/deck one.pdf"), "%PDF-1.4\n");
  await Bun.write(join(dir, "gated/Æble slides/cheat sheet.pdf"), "%PDF-1.4\ncheat");
  return dir;
}