/* Editor: tables, task lists, links between notes, and whether any of it
 * survives a reload — the place where a stale server response used to eat
 * freshly typed content. */
import {
  OUT,
  check,
  createNote,
  createNotebook,
  insertTable,
  launch,
  reopenNote,
  report,
  setTitle,
  typeInEditor,
  withFreshUser,
} from "./lib.mjs";

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

  await createNotebook(p, "Editor Book");
  await createNote(p);
  await typeInEditor(p, "Grundtext");

  /* ── tables ── */
  await insertTable(p);
  check((await p.locator(".ProseMirror table").count()) > 0, "table inserted");
  check((await p.locator(".ProseMirror table th").count()) >= 3, "table has a header row");

  /* ── task list ── */
  await p.locator(".ProseMirror").click();
  await p.keyboard.press("Control+End");
  await p.keyboard.press("Enter");
  await p.getByTitle("Task list").click();
  await p.waitForTimeout(400);
  await p.keyboard.type("Milch kaufen");
  await p.waitForTimeout(1200);
  check((await p.locator('.ProseMirror input[type="checkbox"]').count()) > 0, "task list inserted");
  await p.locator('.ProseMirror input[type="checkbox"]').first().click();
  await p.waitForTimeout(1500);

  await p.screenshot({ path: `${OUT}/editor-content.png` });

  /* ── right-click menu on the table ── */
  const cellCount = () => p.locator(".ProseMirror table td, .ProseMirror table th").count();
  const before = await cellCount();
  await p.locator(".ProseMirror table td").first().click({ button: "right" });
  await p.waitForTimeout(600);
  check((await p.getByText("Insert row below").count()) > 0, "right-click in a table opens the table menu");
  check((await p.getByText("Delete table").count()) > 0, "and offers deleting the table");
  await p.screenshot({ path: `${OUT}/editor-table-menu.png` });

  await p.getByText("Insert row below").click();
  await p.waitForTimeout(1000);
  check((await cellCount()) > before, "the menu really added a row", `${before} → ${await cellCount()}`);

  const withRow = await cellCount();
  await p.locator(".ProseMirror table td").first().click({ button: "right" });
  await p.waitForTimeout(600);
  await p.getByText("Delete row").click();
  await p.waitForTimeout(1000);
  check((await cellCount()) < withRow, "and removing one works too", `${withRow} → ${await cellCount()}`);

  // Outside a table the browser's own menu must stay available.
  await p.locator(".ProseMirror p").first().click({ button: "right" });
  await p.waitForTimeout(500);
  check(
    (await p.getByText("Insert row below").count()) === 0,
    "right-click outside a table shows no table menu"
  );
  await p.keyboard.press("Escape");
  await p.waitForTimeout(400);

  /* ── a second note to link to ── */
  await setTitle(p, "Quelle");
  await createNote(p);
  await setTitle(p, "Ziel");
  await typeInEditor(p, "Ich bin das Ziel.");

  await p.locator("button").filter({ hasText: "Quelle" }).first().click();
  await p.waitForSelector(".ProseMirror", { timeout: 15000 });
  await p.waitForTimeout(1200);

  /* ── note link via the @ menu ── */
  // Control+End lands inside the task list, where a plain Enter would only make
  // another task. A second Enter on the empty item leaves the list, so the link
  // goes into a paragraph of its own and the checked task above stays untouched.
  await p.locator(".ProseMirror").click();
  await p.keyboard.press("Control+End");
  await p.keyboard.press("Enter");
  await p.keyboard.press("Enter");
  await p.waitForTimeout(300);
  await p.keyboard.type("@Ziel");
  await p.waitForTimeout(1400);
  const menuOpen = (await p.locator("text=Ziel").count()) > 0;
  check(menuOpen, "@ opens the link menu");
  await p.keyboard.press("Enter");
  await p.waitForTimeout(1800);

  const linkCount = await p.locator('.ProseMirror [data-note-link], .ProseMirror .note-link').count();
  check(linkCount > 0, "note link inserted into the document", `${linkCount} found`);
  await p.screenshot({ path: `${OUT}/editor-link.png` });

  /* ── the server learned about it ── */
  await p.waitForTimeout(1500);
  await p.locator("button").filter({ hasText: "Ziel" }).first().click();
  await p.waitForSelector(".ProseMirror", { timeout: 15000 });
  await p.waitForTimeout(2000);
  const backlink = await p.locator("text=Quelle").count();
  check(backlink > 0, "the target shows a backlink to the source");

  /* ── everything survives a cold reload ── */
  await reopenNote(p, "Quelle");
  check((await p.locator(".ProseMirror table").count()) > 0, "table survived a reload");
  check(
    (await p.locator('.ProseMirror [data-note-link], .ProseMirror .note-link').count()) > 0,
    "note link survived a reload"
  );
  check((await p.locator('.ProseMirror input[type="checkbox"]').count()) > 0, "task list survived a reload");
  check(
    (await p.locator('.ProseMirror input[type="checkbox"]:checked').count()) === 1,
    "the ticked task stayed ticked, and only that one"
  );
  check(
    (await p.locator(".ProseMirror li").filter({ hasText: "Ziel" }).count()) === 0,
    "the note link went into a paragraph, not into the task list"
  );
  check((await p.locator(".ProseMirror").innerText()).includes("Grundtext"), "plain text survived a reload");
  await p.screenshot({ path: `${OUT}/editor-after-reload.png` });
} catch (e) {
  check(false, "suite ran to the end", e.message);
} finally {
  await session?.cleanup();
  const code = report();
  await browser.close();
  process.exit(code);
}