// Run against an isolated local database, not an existing production instance.
const { chromium } = require("playwright");
const assert = require("node:assert/strict");
const base = process.env.TIMEPOLL_TEST_URL || "http://127.0.0.1:8094";

(async () => {
  const browser = await chromium.launch({
    headless: true,
    executablePath: process.env.CHROMIUM_PATH,
  });
  const desktop = await browser.newContext({
    viewport: { width: 1440, height: 1050 },
    timezoneId: "Europe/Helsinki",
  });
  const errors = [];
  desktop.on("page", (p) =>
    p.on("pageerror", (error) => errors.push(error.message)),
  );
  const page = await desktop.newPage();
  const clipboardContext = await browser.newContext({
    permissions: ["clipboard-read", "clipboard-write"],
  });
  const clipboardPage = await clipboardContext.newPage();
  const clipboardOrigin = new URL(base);
  clipboardOrigin.hostname = "127.0.0.1";
  await clipboardPage.goto(clipboardOrigin.origin + "/healthz");
  async function checkCopy(button, expected) {
    await page.bringToFront();
    if (await page.locator("#notice").isVisible())
      await page.getByRole("button", { name: "Dismiss" }).click();
    await button.click();
    await page.getByRole("alert").filter({ hasText: "Link copied." }).waitFor();
    await clipboardPage.bringToFront();
    assert.equal(
      await clipboardPage.evaluate(() => navigator.clipboard.readText()),
      expected,
    );
    await page.bringToFront();
  }
  await page.goto(base + "/");
  await page.getByRole("heading", { name: "Timepoll", exact: true }).waitFor();
  await page.screenshot({ path: "/tmp/timepoll-home.png", fullPage: true });
  await page.getByRole("link", { name: "Create poll", exact: true }).click();
  await page.getByLabel("Event name").fill("Autumn weekend");
  assert.equal(
    await page.locator("#event-zone").inputValue(),
    "Europe/Helsinki",
  );
  await page.locator("#date-from").fill("2026-10-23");
  await page.locator("#date-to").fill("2026-10-26");
  assert.equal(await page.locator("#date-count").textContent(), "0 added");
  await page.getByRole("button", { name: "Apply dates and times" }).click();
  await page
    .getByRole("alert")
    .filter({ hasText: "Add the pending dates" })
    .waitFor();
  assert.equal(await page.locator(".slot").count(), 0);
  await page.getByRole("button", { name: "Dismiss" }).click();
  await page.getByRole("button", { name: "Add dates", exact: true }).click();
  assert.equal(await page.locator("#date-count").textContent(), "4 added");
  assert.equal(await page.locator("#date-from").inputValue(), "");
  assert.equal(await page.locator("#start-time option").count(), 48);
  assert.equal(await page.locator("#end-time option").count(), 48);
  await page.locator("#slot-size").selectOption("15");
  await page.locator("#start-time").selectOption("09:15");
  await page.locator("#end-time").selectOption("16:45");
  await page.locator("#slot-size").selectOption("30");
  assert.equal(await page.locator("#start-time").inputValue(), "09:00");
  assert.equal(await page.locator("#end-time").inputValue(), "17:00");
  await page.getByRole("button", { name: "Apply dates and times" }).click();
  await page.locator(".slot").first().waitFor();
  assert.equal(await page.locator(".slot").count(), 64);
  assert.equal(await page.locator("tr.hour-mark").count(), 8);
  assert.equal(
    await page
      .locator("tr.hour-mark .time")
      .first()
      .evaluate((e) => getComputedStyle(e).fontWeight),
    "700",
  );
  await page.locator(".slot").first().click();
  assert.equal(await page.locator(".slot.blocked").count(), 1);
  await page.screenshot({ path: "/tmp/timepoll-editor.png", fullPage: true });
  await page.getByRole("button", { name: "Create poll", exact: true }).click();
  const publicLink = await page.getByLabel("Public voting link").inputValue();
  const adminLink = await page.getByLabel("Private admin link").inputValue();
  assert.match(
    new URL(publicLink).pathname,
    /^\/[A-Z0-9]{3}-[A-Z0-9]{3}-[A-Z0-9]{3}$/,
  );
  assert.match(
    new URL(adminLink).pathname,
    /^\/[A-Z0-9]{4}-[A-Z0-9]{4}-[A-Z0-9]{4}$/,
  );
  assert.equal(new URL(adminLink).hash, "");
  await checkCopy(
    page.getByRole("button", { name: "Copy private link" }),
    adminLink,
  );
  await checkCopy(
    page.getByRole("button", { name: "Copy public link" }),
    publicLink,
  );
  await page.getByRole("link", { name: "Open poll" }).click();
  await checkCopy(
    page.getByRole("button", { name: "Copy public link" }),
    publicLink,
  );
  await page.getByLabel("Your name").fill("Alice");
  await page.getByRole("button", { name: "Add availability" }).click();
  // Drag one contiguous day, without replacing the DOM mid-gesture.
  const available = page.locator(".slot:not([disabled])");
  const a = await available.nth(0).boundingBox();
  const b = await available.nth(8).boundingBox();
  await page.mouse.move(a.x + a.width / 2, a.y + a.height / 2);
  await page.mouse.down();
  await page.mouse.move(b.x + b.width / 2, b.y + b.height / 2, { steps: 15 });
  await page.mouse.up();
  await page.getByRole("button", { name: "Maybe", exact: true }).click();
  await available.nth(3).click();
  await page.getByRole("button", { name: "Save votes" }).click();
  await page.getByRole("button", { name: "Add availability" }).waitFor();
  assert.equal(
    await page.locator("#everyone").getAttribute("class"),
    "person active",
  );
  await page.getByRole("button", { name: "Everyone", exact: true }).click();
  await page.getByLabel("Your name").fill("alice");
  await page.getByRole("button", { name: "Add availability" }).click();
  await page
    .getByRole("alert")
    .filter({ hasText: "already in this poll" })
    .waitFor();
  await page.getByRole("button", { name: "Dismiss" }).click();

  const other = await desktop.newPage();
  await other.goto(publicLink);
  await other.getByLabel("Your name").fill("Bob");
  await other.getByRole("button", { name: "Add availability" }).click();
  const shadow = other.locator(".slot:not([disabled])").first();
  assert.match(
    await shadow.getAttribute("aria-label"),
    /Other participants: 1 yes, 0 maybe out of 1/,
  );
  assert.ok(
    await shadow.evaluate((e) => e.style.getPropertyValue("--peer-cell")),
  );
  const boundarySlot = Number(
    await other
      .locator(".peer-boundary:not([disabled])")
      .first()
      .getAttribute("data-slot"),
  );
  await other.locator(`[data-slot="${boundarySlot - 1800}"]`).click();
  await other.locator(`[data-slot="${boundarySlot}"]`).click();
  const peerBoundary = other.locator(`[data-slot="${boundarySlot}"]`);
  assert.ok(
    (await peerBoundary.getAttribute("class")).includes("peer-boundary"),
  );
  assert.equal(
    await peerBoundary.evaluate((e) => getComputedStyle(e).borderTopWidth),
    "2px",
  );
  assert.equal(
    await peerBoundary.evaluate((e) => getComputedStyle(e, "::after").opacity),
    "0.35",
  );
  await other.screenshot({
    path: "/tmp/timepoll-vote-shadow.png",
    fullPage: true,
  });
  await other.emulateMedia({ colorScheme: "dark" });
  await other.screenshot({
    path: "/tmp/timepoll-vote-shadow-dark.png",
    fullPage: true,
  });
  await other.emulateMedia({ colorScheme: "light" });
  await other.locator(".slot:not([disabled])").first().click();
  await other.getByRole("button", { name: "Save votes" }).click();
  await page
    .getByRole("button", { name: "Bob", exact: true })
    .waitFor({ timeout: 10000 });
  await page.getByRole("button", { name: "Everyone", exact: true }).click();
  await page.locator(".slot:not([disabled])").first().hover();
  await page.locator("#popover").waitFor({ state: "visible" });
  await page.locator("#poll-title").hover();
  await page.locator("#popover").waitFor({ state: "hidden" });
  await page.locator(".slot:not([disabled])").first().hover();
  await page.locator("#popover").waitFor({ state: "visible" });
  await page.evaluate(() => window.scrollBy(0, 100));
  await page.locator("#popover").waitFor({ state: "hidden" });
  await page.locator(".slot:not([disabled])").first().click();
  await page.locator("#popover").waitFor({ state: "visible" });
  assert.equal(await page.locator("#popover .voter").count(), 2);
  await page.locator("#popover .voter").filter({ hasText: "Bob" }).click();
  await page.getByRole("button", { name: "Edit votes" }).click();
  assert.match(
    await page
      .locator(".slot:not([disabled])")
      .first()
      .getAttribute("aria-label"),
    /Other participants: 1 yes, 0 maybe out of 1/,
  );
  // Another editor updates the same participant. This draft must not win.
  await other.getByRole("button", { name: "Bob", exact: true }).click();
  await other.getByRole("button", { name: "Edit votes" }).click();
  await other.getByRole("button", { name: "Save votes" }).click();
  await page
    .getByRole("alert")
    .filter({ hasText: "changed elsewhere" })
    .waitFor({ timeout: 10000 });
  await page.getByRole("button", { name: "Save votes" }).click();
  await page
    .getByRole("alert")
    .filter({ hasText: "changed or removed elsewhere" })
    .waitFor();
  await page.getByRole("button", { name: "Cancel", exact: true }).click();
  assert.equal(
    await page.locator("#everyone").getAttribute("class"),
    "person active",
  );
  await page.getByRole("button", { name: "Add availability" }).waitFor();
  await page.getByRole("button", { name: "Dismiss" }).click();
  await page.screenshot({ path: "/tmp/timepoll-desktop.png", fullPage: true });

  // Admin timezone change must retain UTC slots and update editable clocks.
  const admin = await desktop.newPage();
  await admin.goto(adminLink);
  const initial = await admin
    .locator(".slot")
    .first()
    .getAttribute("data-slot");
  await admin.locator("#event-zone").selectOption("America/New_York");
  assert.equal(
    await admin.locator(".slot").first().getAttribute("data-slot"),
    initial,
  );
  assert.equal(await admin.locator("#start-time").inputValue(), "02:00");
  await admin.getByRole("button", { name: "Save changes" }).click();
  await admin.getByRole("alert").filter({ hasText: "Poll saved" }).waitFor();
  await admin.locator("#slot-size").selectOption("15");
  await admin.locator(".grid.compact").waitFor();
  assert.ok((await admin.locator("tr.hour-mark").count()) > 0);
  assert.ok((await admin.locator(".slot").first().boundingBox()).height <= 21);
  await admin.getByRole("button", { name: "Save changes" }).click();
  await admin.getByRole("alert").filter({ hasText: "Poll saved" }).waitFor();

  const mobileContext = await browser.newContext({
    viewport: { width: 390, height: 844 },
    isMobile: true,
    hasTouch: true,
    colorScheme: "dark",
    timezoneId: "America/Los_Angeles",
  });
  mobileContext.on("page", (p) =>
    p.on("pageerror", (error) => errors.push(error.message)),
  );
  const mobile = await mobileContext.newPage();
  await mobile.goto(publicLink);
  await mobile.locator(".slot").first().waitFor();
  assert.equal(
    await mobile.evaluate(
      () => document.documentElement.scrollWidth <= innerWidth,
    ),
    true,
  );
  await mobile.locator(".slot:not([disabled])").first().tap();
  await mobile.locator("#popover").waitFor({ state: "visible" });
  await mobile.getByRole("button", { name: "Close", exact: true }).tap();
  await mobile.screenshot({
    path: "/tmp/timepoll-mobile-dark.png",
    fullPage: true,
  });
  await mobile.getByLabel("Your name").fill("Casey");
  await mobile.getByRole("button", { name: "Add availability" }).tap();
  await mobile.locator(".slot:not([disabled])").first().tap();
  await mobile.getByRole("button", { name: "Save votes" }).tap();
  await mobile.getByRole("button", { name: "Add availability" }).waitFor();
  await page
    .getByRole("button", { name: "Casey", exact: true })
    .waitFor({ timeout: 10000 });
  await mobile.setViewportSize({ width: 320, height: 800 });
  await mobile.getByRole("button", { name: "Casey", exact: true }).tap();
  await mobile.getByRole("button", { name: "Edit votes" }).tap();
  assert.equal(
    await mobile.evaluate(() => document.documentElement.scrollWidth),
    320,
  );
  await mobile.getByRole("button", { name: "Pan grid" }).tap();
  assert.equal(await mobile.locator(".grid.editing").count(), 0);
  await mobile.getByRole("button", { name: "Cancel", exact: true }).tap();
  assert.equal(
    await mobile.locator("#everyone").getAttribute("class"),
    "person active",
  );
  await mobileContext.close();
  assert.deepEqual(errors, []);
  console.log(
    JSON.stringify({
      publicLink,
      adminLink: "[private]",
      screenshots: "/tmp/timepoll-*.png",
      browserErrors: errors,
    }),
  );
  await browser.close();
})().catch((error) => {
  console.error(error);
  process.exit(1);
});