/* Full-text search over locally held bodies, and image attachments.
 * Search runs in the client because the server cannot read encrypted notes, so
 * the interesting part is whether the backfill fills the index at all. */
import {
  OUT,
  check,
  createNote,
  createNotebook,
  launch,
  report,
  setTitle,
  typeInEditor,
  withFreshUser,
} from "./lib.mjs";

/** A 3x3 red PNG, small enough to paste inline. */
const PNG =
  "iVBORw0KGgoAAAANSUhEUgAAAAMAAAADCAYAAABWKLW/AAAAFElEQVR42mP8z8BQz0AEYBxVSF+FABJADveWkH6oAAAAAElFTkSuQmCC";

/* Rows in the note list carry data-note-row; matching on the emoji instead would
 * also pick up the sidebar's Trash entry, which wears the same one. */
const titles = (p) =>
  p.$$eval("[data-note-row]", (els) =>
    // The button holds emoji, title and date on separate lines.
    els.map((e) => e.innerText.split("\n").filter(Boolean)[1]).filter(Boolean)
  );

const browser = await launch();
let session;
try {
  session = await withFreshUser(browser, "search");
  const p = session.page;
  await createNotebook(p, "Such Buch");

  const seed = [
    ["Notiz A", "Der Kühlschrank braucht eine neue Dichtung."],
    ["Notiz B", "Steuererklärung abgeben, Belege liegen im Ordner."],
    ["Notiz C", "Ein völlig eigenständiges Stichwort: Zebrastreifen."],
    ["Dichtung", "Hier steht das Wort nur im Titel."],
  ];
  for (const [title, body] of seed) {
    await createNote(p);
    await setTitle(p, title);
    await typeInEditor(p, body);
  }
  console.log(`seeded ${seed.length} notes`);
  // Give the background backfill time to index the bodies.
  await p.waitForTimeout(3000);

  const search = async (q) => {
    await p.getByPlaceholder("Search notes...").fill(q);
    await p.waitForTimeout(1200);
    return titles(p);
  };

  check(JSON.stringify(await search("Zebrastreifen")) === '["Notiz C"]', "a word only in the body finds its note", JSON.stringify(await titles(p)));
  const hits = await search("Dichtung");
  check(hits.length === 2, "a word in one title and another body finds both", JSON.stringify(hits));
  check(hits[0] === "Dichtung", "the title match ranks first", JSON.stringify(hits));
  check(JSON.stringify(await search("Belege Ordner")) === '["Notiz B"]', "multiple terms are an AND");
  check((await search("Belege Kühlschrank")).length === 0, "terms from different notes match nothing");
  check(JSON.stringify(await search("kuhlschrank")) === '["Notiz A"]', "search ignores case and umlauts");
  await p.screenshot({ path: `${OUT}/search-results.png` });

  await p.getByPlaceholder("Search notes...").fill("");
  await p.waitForTimeout(1000);
  check((await titles(p)).length === seed.length, "clearing the box restores the full list");

  /* ── attachments ── */
  await p.locator("button").filter({ hasText: "Notiz A" }).first().click();
  await p.waitForSelector(".ProseMirror", { timeout: 15000 });
  await p.waitForTimeout(1200);
  await p.locator(".ProseMirror").click();
  await p.keyboard.press("Control+End");

  await p.evaluate(async (b64) => {
    const bytes = Uint8Array.from(atob(b64), (c) => c.charCodeAt(0));
    const file = new File([bytes], "dot.png", { type: "image/png" });
    const dt = new DataTransfer();
    dt.items.add(file);
    document
      .querySelector(".ProseMirror")
      .dispatchEvent(new ClipboardEvent("paste", { clipboardData: dt, bubbles: true, cancelable: true }));
  }, PNG);
  await p.waitForTimeout(3500);

  const img = p.locator(".ProseMirror img").first();
  check((await p.locator(".ProseMirror img").count()) > 0, "the pasted image was inserted");
  const src = (await img.getAttribute("src")) || "";
  check(src.startsWith("blob:"), "the image renders from a blob URL, not inline bytes", src.slice(0, 24));
  check(!src.startsWith("data:"), "no base64 payload sits in the document");
  await p.screenshot({ path: `${OUT}/attachment.png` });

  await p.reload({ waitUntil: "networkidle" });
  await p.waitForTimeout(2500);
  await p.locator("button").filter({ hasText: "Notiz A" }).first().click();
  await p.waitForSelector(".ProseMirror", { timeout: 15000 });
  await p.waitForTimeout(2500);
  check((await p.locator(".ProseMirror img").count()) > 0, "the image is still there after a reload");
  const loaded = await p
    .locator(".ProseMirror img")
    .first()
    .evaluate((e) => e.complete && e.naturalWidth > 0)
    .catch(() => false);
  check(loaded, "the image actually loaded its pixels after the reload");
} catch (e) {
  check(false, "suite ran to the end", e.message);
} finally {
  await session?.cleanup();
  const code = report();
  await browser.close();
  process.exit(code);
}