import { expect, test, type Page } from "@playwright/test";

const ORIGIN = "http://127.0.0.1:4173";
async function localOnly(page: Page) {
  const external: string[] = [];
  await page.route("**/*", async (route) => {
    const url = new URL(route.request().url());
    if (url.origin !== ORIGIN) {
      external.push(url.href);
      await route.abort();
    } else await route.continue();
  });
  return external;
}

test("runs from a nested path without external requests", async ({ page }) => {
  const errors: string[] = [];
  page.on("pageerror", (error) => errors.push(error.message));
  page.on("console", (message) => {
    if (message.type() === "error") errors.push(message.text());
  });
  const external = await localOnly(page);
  await page.goto("/deep/nested/unicode/");
  await expect(
    page.getByRole("heading", { name: "Unicode Tools" }),
  ).toBeVisible();
  expect(external).toEqual([]);
  expect(errors).toEqual([]);
});

test("serves the release identity and hardened headers", async ({
  request,
}) => {
  const index = await request.get("/deep/nested/unicode/");
  expect(index.ok()).toBe(true);
  expect(index.headers()["content-security-policy"]).toContain(
    "default-src 'self'",
  );
  expect(await index.text()).not.toMatch(/\b(?:src|href)=["']\//u);
  const manifest = await request.get("/deep/nested/unicode/toolbox-app.json");
  await expect(manifest.json()).resolves.toMatchObject({
    id: "de.add-ideas.unicode-tools",
    version: "0.2.0",
    entry: "./",
  });
});

test("searches the pinned catalog in a worker and shows character properties", async ({
  page,
}) => {
  const external = await localOnly(page);
  await page.goto("/deep/nested/unicode/");
  await page.getByLabel("Name, alias, character, or U+ code").fill("U+1F600");
  await page.getByRole("button", { name: "Search", exact: true }).click();
  const result = page.getByRole("button", { name: /GRINNING FACE/u });
  await expect(result).toBeVisible({ timeout: 60_000 });
  await result.click();
  await expect(page.getByText("Unicode 6.1")).toBeVisible();
  await expect(page.getByText("Common / Emoticons")).toBeVisible();
  expect(external).toEqual([]);
});

test("virtualizes a range and labels surrogate code units explicitly", async ({
  page,
}) => {
  const external = await localOnly(page);
  await page.goto("/deep/nested/unicode/");
  await page.getByRole("button", { name: "Code chart" }).click();
  await page.getByLabel("Range start").fill("U+D7F0");
  await page.getByLabel("Range end").fill("U+D810");
  await page.getByRole("button", { name: "Open range" }).click();
  const surrogate = page.getByRole("gridcell", {
    name: /U\+D800 UTF-16 SURROGATE CODE UNIT, surrogate/u,
  });
  await expect(surrogate).toBeVisible({ timeout: 60_000 });
  await surrogate.click();
  await expect(page.getByText(/not a Unicode scalar value/u)).toBeVisible();
  await expect(
    page.getByRole("button", { name: "Copy scalar" }),
  ).toBeDisabled();
  await surrogate.press("ArrowRight");
  await expect(
    page.getByRole("gridcell", { name: /U\+D801 UTF-16 SURROGATE/u }),
  ).toBeFocused();
  expect(external).toEqual([]);
});

test("inspects graphemes and compares UTS #39 confusable skeletons locally", async ({
  page,
}) => {
  const external = await localOnly(page);
  await page.goto("/deep/nested/unicode/");
  await page.getByRole("button", { name: "Text inspector" }).click();
  await page.getByLabel("Text to inspect").fill("👨‍👩‍👧‍👦 🇩🇪");
  await page.getByRole("button", { name: "Inspect text" }).click();
  await expect(page.getByText("pictographic · ZWJ")).toBeVisible();
  await expect(page.getByText("2 regional indicator(s)")).toBeVisible();

  await page.getByRole("button", { name: "Normalize & confusables" }).click();
  const normalization = page
    .getByRole("heading", {
      name: "Compare forms and compute a confusable skeleton",
    })
    .locator("..");
  await normalization
    .getByRole("textbox", { name: "Text", exact: true })
    .fill("раypal");
  await normalization
    .getByRole("textbox", { name: "Compare identifier (optional)" })
    .fill("paypal");
  await page.getByRole("button", { name: "Analyze confusables" }).click();
  await expect(
    page.getByRole("heading", { name: "UTS #39 confusable analysis" }),
  ).toBeVisible({ timeout: 60_000 });
  await expect(
    page.getByText("yes — review", { exact: true }).last(),
  ).toBeVisible();
  await expect(page.getByText(/mixed-script/u).first()).toBeVisible();
  expect(external).toEqual([]);
});