import { expect, test } from "@playwright/test";
import { readFile } from "node:fs/promises";
const ORIGIN = "http://127.0.0.1:4222";
test("renders nested, local, accessible diagram", async ({ page }) => {
  const external: string[] = [];
  await page.route("**/*", async (r) => {
    if (new URL(r.request().url()).origin !== ORIGIN) {
      external.push(r.request().url());
      await r.abort();
    } else await r.continue();
  });
  await page.setViewportSize({ width: 1800, height: 900 });
  await page.goto("/deep/nested/diagram/");
  await expect(
    page.getByRole("heading", { name: "Diagram Tools" }),
  ).toBeVisible();
  await expect(
    page.getByRole("region", { name: "Diagram textual outline" }),
  ).toContainText("Local input");
  await page
    .getByLabel("Diagram source")
    .fill("sequenceDiagram\nparticipant A as Ada\nA->>B: hello");
  await page.getByRole("button", { name: "Render diagram" }).click();
  await expect(page.locator('p[role="status"]')).toContainText(
    "2 nodes and 1 edges",
  );
  expect(external).toEqual([]);
  expect(
    await page
      .locator(".toolbox-shell__main")
      .evaluate((n) => getComputedStyle(n).width),
  ).toBe("1440px");
});
test("exports safe SVG and retains last diagram", async ({ page }) => {
  await page.goto("/deep/nested/diagram/");
  await page.getByLabel("Diagram source").fill("not a diagram");
  await page.getByRole("button", { name: "Render diagram" }).click();
  await expect(page.locator('p[role="status"]')).toContainText(
    "Last valid diagram",
  );
  const pending = page.waitForEvent("download");
  await page.getByRole("button", { name: "SVG", exact: true }).click();
  const data = await readFile((await (await pending).path())!, "utf8");
  expect(data).toContain("<svg");
  expect(data).not.toContain("<script>");
});
test("PWA theme, offline reload, and headers", async ({
  page,
  context,
  request,
}) => {
  await page.goto("/deep/nested/diagram/");
  await page.getByRole("button", { name: "Personalize" }).click();
  await page.getByRole("button", { name: "Dark" }).click();
  await expect(page.locator(".toolbox-shell").first()).toHaveAttribute(
    "data-toolbox-theme",
    "dark",
  );
  expect(
    await page.evaluate(async () =>
      Boolean(await navigator.serviceWorker.ready),
    ),
  ).toBe(true);
  await context.setOffline(true);
  await page.reload();
  await expect(
    page.getByRole("heading", { name: "Diagram Tools" }),
  ).toBeVisible();
  await context.setOffline(false);
  const response = await request.get("/deep/nested/diagram/");
  expect(response.headers()["content-security-policy"]).toContain(
    "connect-src 'self'",
  );
  const manifest = await request.get("/deep/nested/diagram/toolbox-app.json");
  await expect(manifest.json()).resolves.toMatchObject({
    id: "de.add-ideas.diagram-tools",
    version: "0.2.0",
  });
});