// The scraping method is an operational choice, not a create-time one: the X
// paths reach very different amounts of history, so it must be switchable from
// the channel page.
import { test, expect } from "@playwright/test";
import { mkdir, writeFile } from "node:fs/promises";
import { resetData, readJson, resolvePath } from "./helpers";

type Cfg = { postFetcher?: string; platform?: string };

async function makeSocialChannel(slug: string, platform: string, fetcher: string) {
  const dir = resolvePath(`test-transcripts/channels/${slug}`);
  await mkdir(dir, { recursive: true });
  await writeFile(
    `${dir}/config.json`,
    JSON.stringify({
      handling: "transcribe",
      sourceKind: "social",
      platform,
      postFetcher: fetcher,
      socialHandle: "someone",
      name: `@someone on ${platform}`,
      url: platform === "twitter" ? "https://x.com/someone" : "https://bsky.app/profile/someone",
    }, null, 2),
  );
}

test("an X channel offers every X scraping method and switching persists", async ({ page }) => {
  await resetData("empty");
  await makeSocialChannel("x-chan", "twitter", "x-gallery-dl");
  await page.goto("/channels/x-chan");

  const picker = page.getByLabel("post fetcher");
  await expect(picker).toBeVisible();
  await expect(picker).toHaveValue("x-gallery-dl");

  // All three X paths are offered — and no Bluesky one.
  const ids = await picker.locator("option").evaluateAll((os) =>
    os.map((o) => (o as HTMLOptionElement).value),
  );
  expect(ids.sort()).toEqual(["x-gallery-dl", "x-nitter", "x-playwright"]);

  await picker.selectOption("x-nitter");
  await expect(page.getByText("Fetcher updated")).toBeVisible();

  // The choice is persisted to the channel config, not just local state.
  await expect
    .poll(async () => (await readJson<Cfg>("test-transcripts/channels/x-chan/config.json")).postFetcher,
      { timeout: 10_000 })
    .toBe("x-nitter");

  await page.reload();
  await expect(page.getByLabel("post fetcher")).toHaveValue("x-nitter");
});

test("a Bluesky channel shows no picker — it has only one method", async ({ page }) => {
  await resetData("empty");
  await makeSocialChannel("bsky-chan", "bluesky", "bluesky-atproto");
  await page.goto("/channels/bsky-chan");
  await expect(page.locator("[data-social-panel]")).toBeVisible();
  await expect(page.getByLabel("post fetcher")).toHaveCount(0);
});