/* The frame around the writing: the dashboard, the sidebar on a phone, and the
 * paper itself.
 *
 * These are the things that are only ever wrong on a screen — a heading in the
 * wrong order, a page you cannot see the edge of, a tap that does nothing — so
 * they are checked in a browser at the two sizes they are used at.
 */
import { BASE, check, createNote, createNotebook, launch, report, setTitle, typeInEditor, withFreshUser } from "./lib.mjs";

const browser = await launch();
let session;
try {
  session = await withFreshUser(browser, "shell");
  const p = session.page;

  await createNotebook(p, "Rahmen");
  await createNote(p);
  await setTitle(p, "Zuerst");
  await typeInEditor(p, "Ein kurzer Satz.");
  await p.waitForTimeout(1600);
  await createNote(p);
  await setTitle(p, "Zuletzt");
  await typeInEditor(p, "Der jüngere.");
  await p.waitForTimeout(1800);

  /* ── the dashboard ──
   * What you were last writing is what you usually came back for; the shelf of
   * notebooks is for choosing where to go next. */
  await p.locator("button").filter({ hasText: "Dashboard" }).first().click();
  await p.waitForTimeout(1500);
  const headings = await p.evaluate(() => [...document.querySelectorAll("h1,h2")].map((h) => h.innerText.trim()));
  check(
    headings.indexOf("Recent Notes") < headings.indexOf("My Notebooks"),
    "the recent notes come before the notebooks",
    headings.join(" | ")
  );

  /* "Recent" is a question about time, and it has to answer it whatever order
     the notebook it came from happens to be in — which is a hand-made one here. */
  const recent = await p.evaluate(() => {
    const head = [...document.querySelectorAll("h2")].find((h) => h.innerText.trim() === "Recent Notes");
    return [...head.nextElementSibling.querySelectorAll("button")].map((b) => b.innerText.split("\n")[0].trim());
  });
  check(recent[0] === "Zuletzt", "and the most recently edited is first", recent.join(" | "));

  /* ── tapping the blank part of the page ──
   * The text is only as tall as what has been written, so most of a fresh page
   * is beside the editable area rather than in it. A tap there used to land on
   * nothing: no caret, and on a phone no keyboard. */
  await p.locator("button").filter({ hasText: "Rahmen" }).first().click();
  await p.waitForTimeout(1200);
  await p.locator("[data-note-row]").first().click();
  await p.waitForTimeout(2200);
  const before = await p.locator(".ProseMirror").innerText();
  const sheet = await p.locator("[data-page-sheet]").first().boundingBox();
  // Below the writing and inside the window — the sheet is taller than both.
  await p.mouse.click(sheet.x + sheet.width / 2, Math.min(sheet.y + sheet.height * 0.8, 900));
  await p.waitForTimeout(500);
  check(
    (await p.locator(".ProseMirror-focused").count()) === 1,
    "tapping the blank part of the page starts writing there"
  );
  await p.keyboard.type("ANGEHÄNGT");
  await p.waitForTimeout(900);
  const after = await p.locator(".ProseMirror").innerText();
  check(after.includes("ANGEHÄNGT") && after.startsWith(before.slice(0, 10)), "and what is typed lands in the note", after.slice(0, 60));

  /* ── the phone ── */
  const phone = await browser.newContext({ viewport: { width: 390, height: 844 }, hasTouch: true });
  const m = await phone.newPage();
  await m.goto(BASE, { waitUntil: "networkidle" });
  await m.getByPlaceholder("Username").fill(session.user);
  await m.getByPlaceholder("Password").fill(session.pass);
  await m.getByRole("button", { name: "Sign In" }).click();
  await m.waitForTimeout(4000);

  /* Dragging in from the left edge shows the sidebar. The button that opens it
     sits in the top corner, which is the one part of a tall screen a thumb
     cannot reach. */
  const swipe = (from, to, y = 500) =>
    m.evaluate(
      ([x1, x2, yy]) => {
        // Real Touch objects: a plain object is refused by the constructor.
        const touch = (x) => [new Touch({ identifier: 1, target: document.body, clientX: x, clientY: yy })];
        const fire = (type, x) =>
          document.dispatchEvent(
            new TouchEvent(type, { touches: type === "touchend" ? [] : touch(x), changedTouches: touch(x), bubbles: true })
          );
        fire("touchstart", x1);
        fire("touchmove", (x1 + x2) / 2);
        fire("touchmove", x2);
        fire("touchend", x2);
      },
      [from, to, y]
    );

  /* Measured on the panel itself: closed, it is a strip of zero width with the
     contents clipped inside it, so the buttons in there still have a size and a
     place — asking one of them proves nothing. */
  const sidebarShown = async () =>
    (await m.locator("[data-sidebar]").evaluate((el) => el.getBoundingClientRect().width)) > 100;

  check(!(await sidebarShown()), "on a phone the sidebar starts out of the way");

  await swipe(4, 200);
  await m.waitForTimeout(900);
  check(await sidebarShown(), "a drag in from the left edge brings it out");

  await swipe(200, 10);
  await m.waitForTimeout(900);
  check(!(await sidebarShown()), "and pushing it back sends it away again");

  // A drag that starts in the middle of the page is not that gesture — it is a
  // selection, or a table being scrolled.
  await swipe(220, 340);
  await m.waitForTimeout(700);
  check(!(await sidebarShown()), "a drag that does not start at the edge leaves it alone");

  /* The paper on a phone runs to the edges, but it has an edge — without one
     there was nothing to see where one page ended and the next began.
     Opened from the dashboard's own shelf: the sidebar holds a row of the same
     name, and while it is closed that row is clipped to nothing. */
  await m.locator("button").filter({ hasText: "Rahmen" }).last().click();
  await m.waitForTimeout(1800);
  await m.locator("[data-note-row]").first().click();
  await m.waitForTimeout(2500);
  const edge = await m.locator("[data-page-sheet]").first().evaluate((el) => {
    const cs = getComputedStyle(el);
    return { width: cs.borderTopWidth, style: cs.borderTopStyle };
  });
  check(
    parseFloat(edge.width) >= 1 && edge.style === "solid",
    "the page has a visible edge on a phone too",
    JSON.stringify(edge)
  );
  await phone.close();
} catch (e) {
  check(false, "suite ran to the end", e.stack || e.message);
} finally {
  await session?.cleanup?.();
  await browser.close();
  process.exit(report());
}