// When a video has no metadata.info.json and the channel has no playlist entry
// for it, the single-video download pipeline reconstructs the source URL from
// the video's canonical id (its dir name) and the channel's platform — derived
// here from the channel config's odysee `url`. Without this, the pipeline used
// to fail with "Could not determine the video URL".

import { readFile, rm } from "node:fs/promises";
import { test, expect } from "@playwright/test";
import { pathExists, resetData, resolvePath } from "./helpers";

const CHANNEL = "test-transcribe";
const CHANNEL_ROOT = `test-transcripts/channels/${CHANNEL}`;

test("download pipeline reconstructs the URL when metadata + playlist are missing", async ({
  page,
}) => {
  test.setTimeout(60_000);
  await resetData("one-transcribe-channel-with-audio");
  // Strip vidA down to an empty dir: no audio, no metadata.info.json. The
  // fixture also ships no `playlist` file, so neither URL source exists. The
  // channel config's `url` (https://odysee.com/@example) is the only platform
  // signal, so reconstruction must produce an odysee URL for canonical id vidA.
  await rm(resolvePath(`${CHANNEL_ROOT}/data/vidA/audio.m4a`), { force: true });

  await page.goto(`/channels/${CHANNEL}/videos/vidA`);
  await page.getByRole("button", { name: /^Run download pipeline$/ }).click();

  const log = page.getByLabel("Run download pipeline for vidA output");
  // The reconstructed odysee URL flows straight into yt-dlp's invocation.
  await expect(log).toContainText("https://odysee.com/vidA", {
    timeout: 30_000,
  });
  await expect(log).not.toContainText("Could not determine the video URL");
  // Wait for the download to actually finish before inspecting the filesystem.
  await expect(log).toContainText("download complete", { timeout: 30_000 });

  // End-to-end: the audio is actually (re)downloaded under the canonical id.
  expect(await pathExists(`${CHANNEL_ROOT}/data/vidA/audio.m4a`)).toBe(true);

  // Belt-and-suspenders: the fake yt-dlp recorded the reconstructed URL.
  const invocations = await readFile(
    resolvePath(`${CHANNEL_ROOT}/fake-ytdlp.invocations`),
    "utf8",
  );
  expect(invocations).toContain("https://odysee.com/vidA");
});