import { expect, test } from '@playwright/test';
import type { Locator, Page } from '@playwright/test';
import { readFile } from 'node:fs/promises';
import { decodeState, encodeState } from '../src/lib/url-state';
import { PROJECT_STORAGE_KEY } from '../src/lib/use-project';
import { defaultState, fireplace, rectangle } from '../src/lib/defaults';
import { planFlooring } from '../src/lib/flooring';
import { planSkirting } from '../src/lib/skirting';
import { flooringCuts, skirtingCuts, uncutFlooring } from '../src/lib/cut-list';
import { cutMm } from '../src/lib/format';
import type { UrlState } from '../src/lib/types';

const errors = new WeakMap<Page, string[]>();
const panel = (page: Page, section: string) =>
  page.locator(`.planner-panel[data-section="${section}"]`);
const preview = (page: Page) => page.getByRole('region', { name: 'Floor plan preview' });
const floorEntries = (page: Page) => page.locator('.flooring-cuts .board-cut');
const skirtEntries = (page: Page) => page.locator('.skirting-cuts .board-cut');
const floorCodes = (page: Page) =>
  floorEntries(page).getByRole('button', { name: /^Preview flooring cut / });
const skirtCodes = (page: Page) =>
  skirtEntries(page).getByRole('button', { name: /^Preview skirting cut / });
const state = (page: Page) => {
  const url = new URL(page.url());
  return decodeState(url.search).state;
};
const savedQuery = (page: Page) =>
  page.evaluate((key) => localStorage.getItem(key), PROJECT_STORAGE_KEY);
const plans = (page: Page) => {
  const { project } = state(page);
  return {
    project,
    floor: planFlooring(project.rooms, project.flooring, project.tolerance),
    skirt: planSkirting(project.rooms, project.skirting, project.tolerance),
  };
};

function sharedRoomFixture() {
  const fixture = defaultState();
  fixture.project.flooring.width = 200;
  fixture.project.rooms = [
    rectangle('room-1', 'Living room', 1820, 1220),
    // Its end pieces complement the first room's offcuts after saw kerf.
    rectangle('room-2', 'Study', 1220, 1814),
  ];
  fixture.project.rooms.forEach((room) =>
    room.walls.forEach((wall) => {
      wall.doors = [];
    }),
  );
  fixture.project.rooms[1].direction = 90;
  fixture.view.roomId = 'room-2';
  return fixture;
}

function shortFireplaceFixture() {
  const fixture = defaultState();
  fixture.project.rooms = [fireplace('room-2', 'Room 2')];
  fixture.project.flooring = {
    length: 1200,
    width: 190,
    pattern: 'random',
    optimisation: 'cuts',
    minOffset: 100,
    maxOffset: 1000,
    minLength: 10,
    minWidth: 0.1,
    gap: 10,
    kerf: 3,
  };
  fixture.project.skirting = { stockLength: 2400, thickness: 27, minLength: 200, kerf: 3 };
  fixture.view.roomId = 'room-2';
  return fixture;
}

async function highlightedIds(page: Page, material?: 'flooring' | 'skirting') {
  const selector = `${material ? `[data-material="${material}"]` : '[data-piece-id]'}[data-highlighted="true"]`;
  return (
    await preview(page)
      .locator(selector)
      .evaluateAll((elements) => elements.map((element) => element.getAttribute('data-piece-id')))
  ).sort();
}

async function wallDimensionsInsideSvg(page: Page, wallNumber: number) {
  const wall = preview(page)
    .locator('.wall-drawing')
    .filter({ hasText: new RegExp(`W${wallNumber} ·`) });
  await expect(wall.locator('.wall-label text')).toBeVisible();
  const result = await wall.evaluate((element) => {
    const svg = (element as SVGElement).ownerSVGElement!;
    const box = svg.viewBox.baseVal;
    const inverse = svg.getScreenCTM()!.inverse();
    const rootPoint = (element: SVGGraphicsElement, x: number, y: number) =>
      new DOMPoint(x, y).matrixTransform(inverse.multiply(element.getScreenCTM()!));
    const lines = [...element.querySelectorAll(':scope > line')].map(
      (line) => line as SVGLineElement,
    );
    const endpoints = lines.flatMap((line) => [
      rootPoint(line, line.x1.baseVal.value, line.y1.baseVal.value),
      rootPoint(line, line.x2.baseVal.value, line.y2.baseVal.value),
    ]);
    const label = element.querySelector('.wall-label') as SVGGElement;
    const bounds = label.getBBox();
    const corners = [
      rootPoint(label, bounds.x, bounds.y),
      rootPoint(label, bounds.x + bounds.width, bounds.y),
      rootPoint(label, bounds.x + bounds.width, bounds.y + bounds.height),
      rootPoint(label, bounds.x, bounds.y + bounds.height),
    ];
    return {
      outside: [...endpoints, ...corners]
        .filter(
          (point) =>
            point.x < box.x - 0.01 ||
            point.x > box.x + box.width + 0.01 ||
            point.y < box.y - 0.01 ||
            point.y > box.y + box.height + 0.01,
        )
        .map((point) => ({ x: point.x, y: point.y })),
    };
  });
  expect(
    result.outside,
    `W${wallNumber} lines, ticks and label must fit inside the SVG viewBox`,
  ).toEqual([]);
}

async function stockGroups(groups: Locator) {
  return groups.evaluateAll((elements) =>
    elements.map((element) => ({
      stockId: element.getAttribute('data-stock-id'),
      codes: [...element.querySelectorAll('[data-cut-id]')]
        .map((cut) => cut.getAttribute('data-cut-id'))
        .sort(),
    })),
  );
}

function expectedGroups(stocks: { id: string; pieceIds: string[] }[], cuts: { id: string }[]) {
  const visible = new Set(cuts.map((piece) => piece.id));
  return stocks
    .map((stock) => ({
      stockId: stock.id,
      codes: stock.pieceIds.filter((id) => visible.has(id)).sort(),
    }))
    .filter((group) => group.codes.length);
}

async function measuredEdges(preview: Locator) {
  return preview.evaluate((element) => {
    const polygon = element.querySelector('polygon')!;
    const points = [...(polygon as SVGPolygonElement).points].map((point) => ({
      x: point.x,
      y: point.y,
    }));
    return [...element.querySelectorAll('.dimension-caption')].map((caption) => {
      const edge = Number(caption.getAttribute('data-edge'));
      const from = points[edge],
        to = points[(edge + 1) % points.length];
      return {
        shown: Number(
          (caption.querySelector('.dimension-label tspan') ??
            caption.querySelector('.dimension-label'))!.textContent!.replaceAll(',', ''),
        ),
        actual: Math.hypot(to.x - from.x, to.y - from.y),
      };
    });
  });
}

function expectHalfMillimetreCuts(dimensions: { shown: number; actual: number }[]) {
  for (const { shown, actual } of dimensions) {
    expect(shown, 'A displayed cut must never round down').toBeGreaterThanOrEqual(actual - 1e-7);
    expect(shown, 'Round up by less than half a millimetre').toBeLessThan(actual + 0.5 + 1e-7);
    expect(shown * 2).toBeCloseTo(Math.round(shown * 2), 7);
  }
}

async function noVisibleStockIds(page: Page) {
  expect(await page.locator('body').innerText()).not.toMatch(
    /(?:Floorboard B|Skirting(?: board)? S)\d+|(?:floor:B|skirting:S)\d+/i,
  );
  const labels = await page
    .locator('[aria-label]')
    .evaluateAll((elements) =>
      elements.map((element) => element.getAttribute('aria-label')).join(' '),
    );
  expect(labels).not.toMatch(
    /(?:Floorboard B|Skirting(?: board)? S)\d+|(?:floor:B|skirting:S)\d+/i,
  );
  expect(await page.getByLabel('Find a cut or room', { exact: true }).inputValue()).not.toMatch(
    /(?:floor:B|skirting:S)\d+/,
  );
}

async function openWalls(page: Page) {
  if (
    !(await page
      .locator('.wall-details')
      .evaluate((element) => (element as HTMLDetailsElement).open))
  ) {
    await page.locator('.wall-details summary').click();
  }
}

async function noHorizontalOverflow(page: Page) {
  expect(
    await page.evaluate(() => document.documentElement.scrollWidth <= window.innerWidth + 1),
  ).toBe(true);
}

async function noDrawingScroll(page: Page) {
  const scrollContainers = await preview(page).evaluate((root) =>
    [root, ...root.querySelectorAll('*')]
      .filter((element): element is HTMLElement => element instanceof HTMLElement)
      .filter((element) => {
        const style = getComputedStyle(element);
        return (
          (/auto|scroll/.test(style.overflowX) && element.scrollWidth > element.clientWidth + 1) ||
          (/auto|scroll/.test(style.overflowY) && element.scrollHeight > element.clientHeight + 1)
        );
      })
      .map((element) => element.className),
  );
  expect(
    scrollContainers,
    'The room drawing must use the page scroll, without its own scrollbars',
  ).toEqual([]);
}

async function noWallLabelOverlap(page: Page) {
  const labels = await preview(page)
    .locator('.wall-label text')
    .evaluateAll((elements) =>
      elements.map((element) => {
        const rect = element.getBoundingClientRect();
        return {
          text: element.textContent,
          x: rect.x,
          y: rect.y,
          right: rect.right,
          bottom: rect.bottom,
        };
      }),
    );
  expect(labels).toHaveLength(8);
  const overlaps: string[] = [];
  labels.forEach((label, i) =>
    labels.slice(i + 1).forEach((other) => {
      if (
        Math.min(label.right, other.right) - Math.max(label.x, other.x) > 0.5 &&
        Math.min(label.bottom, other.bottom) - Math.max(label.y, other.y) > 0.5
      ) {
        overlaps.push(`${label.text} overlaps ${other.text}`);
      }
    }),
  );
  expect(overlaps, 'Fireplace wall dimensions should remain independently readable').toEqual([]);
}

test.beforeEach(async ({ page }) => {
  errors.set(page, []);
  page.on('pageerror', (error) => errors.get(page)!.push(error.message));
  await page.goto('/?planner');
  await expect(page.getByRole('heading', { name: 'Room measurements' })).toBeVisible();
  await expect(page).toHaveURL(/\?plan=/);
});

test.afterEach(async ({ page }) => {
  expect(errors.get(page), 'The application should not throw browser errors').toEqual([]);
});

test('measurements, materials, drawing and both cut lists share one page', async ({ page }) => {
  await expect(page.getByLabel('Room width', { exact: true })).toHaveValue('4800');
  await expect(page.getByLabel('Room length', { exact: true })).toHaveValue('3600');
  for (const label of [
    'Board length',
    'Board width',
    'Skirting board length',
    'Skirting thickness',
  ]) {
    await expect(page.getByLabel(label, { exact: true })).toBeVisible();
  }
  await expect(page.getByRole('heading', { name: 'Materials', exact: true })).toBeVisible();
  await expect(page.getByRole('heading', { name: /^Flooring cuts/ })).toBeVisible();
  await expect(page.getByRole('heading', { name: /^Skirting cuts/ })).toBeVisible();
  expect(await preview(page).locator('.floor-piece').count()).toBeGreaterThan(0);
  await expect(page.locator('.layer-switch, .step-nav')).toHaveCount(0);
  await expect(page.getByRole('button', { name: 'Export CSV' })).toHaveCount(0);
  await expect(preview(page).getByText('Outline closed', { exact: true })).toHaveCount(0);
  await expect(page.getByLabel('Skirting board length', { exact: true })).toHaveCount(1);
  await expect(
    page.getByRole('button', { name: /Add stock length|Remove stock length/ }),
  ).toHaveCount(0);
  await noVisibleStockIds(page);
  await expect(page.locator('.app-header').getByText('mm', { exact: true })).toHaveCount(0);
  await expect(page.getByRole('button', { name: /^Zoom (in|out)$/ })).toHaveCount(0);
  await noDrawingScroll(page);
  await expect(
    page.getByRole('button', { name: /Choose materials|Get my cut plan|Measure room/ }),
  ).toHaveCount(0);
  await expect(
    page.getByText(
      /LESS WASTE\. MORE CONFIDENCE|A better floor starts|Thoughtful plans|Saved in your URL|bounded heuristic|inspect narrow tips/i,
    ),
  ).toHaveCount(0);
  expect(
    await page.locator('#cut-plan').evaluate((element) => element.getBoundingClientRect().top),
  ).toBeGreaterThan(
    await page.locator('#materials').evaluate((element) => element.getBoundingClientRect().bottom),
  );
});

test('source-board groups contain every numbered cut once and leave full boards unlabelled', async ({
  page,
}) => {
  const { project, floor, skirt } = plans(page);
  const cutFloor = flooringCuts(floor),
    cutSkirt = skirtingCuts(skirt);
  const wholeBoards = uncutFlooring(floor, project.flooring).wholeBoards;
  expect(wholeBoards).toBeGreaterThan(0);
  await expect(floorCodes(page)).toHaveCount(cutFloor.length);
  await expect(skirtCodes(page)).toHaveCount(cutSkirt.length);
  const floorGroups = await stockGroups(page.locator('.flooring-cuts .stock-cut-group'));
  const skirtGroups = await stockGroups(page.locator('.skirting-cuts .stock-cut-group'));
  expect(floorGroups).toEqual(expectedGroups(floor.stocks, cutFloor));
  expect(skirtGroups).toEqual(expectedGroups(skirt.stocks, cutSkirt));
  const shownCodes = floorGroups.flatMap((group) => group.codes);
  expect(shownCodes.sort()).toEqual(cutFloor.map((piece) => piece.id).sort());
  expect(cutFloor.map((piece) => piece.id)).toEqual(cutFloor.map((_, i) => `F${i + 1}`));
  expect(cutSkirt.map((piece) => piece.id)).toEqual(cutSkirt.map((_, i) => `A${i + 1}`));
  for (const piece of cutFloor) {
    await expect(
      floorEntries(page)
        .filter({
          has: page.getByRole('button', {
            name: `Preview flooring cut ${piece.id}`,
            exact: true,
          }),
        })
        .locator('.cut-size'),
    ).toHaveText(`${cutMm(piece.length)} × ${cutMm(piece.width)} mm`);
  }
  await expect(page.locator('.material-cuts table')).toHaveCount(0);
  await expect(preview(page).locator('.floor-piece')).toHaveCount(floor.pieces.length);
  await expect(preview(page).getByRole('button', { name: /^Select flooring cut / })).toHaveCount(
    cutFloor.length,
  );
  await page
    .getByRole('group', { name: 'Plan view' })
    .getByRole('button', { name: 'Skirting', exact: true })
    .click();
  await expect(preview(page).locator('.skirt-piece')).toHaveCount(skirt.pieces.length);
  await expect(preview(page).getByRole('button', { name: /^Select skirting cut / })).toHaveCount(
    cutSkirt.length,
  );
  await expect(page.locator('.flooring-cuts .cut-summary')).toContainText(
    `${wholeBoards} laid uncut`,
  );
  const drawnCodes = await preview(page).locator('svg text').allTextContents();
  for (const piece of floor.pieces.filter((piece) => !piece.cut && !piece.reused)) {
    expect(shownCodes).not.toContain(piece.id);
    expect(drawnCodes).not.toContain(piece.id);
  }
  const skirtCutIds = new Set(cutSkirt.map((piece) => piece.id));
  for (const piece of skirt.pieces.filter((piece) => !skirtCutIds.has(piece.id))) {
    expect(drawnCodes).not.toContain(piece.id);
    await expect(
      preview(page).locator(`.skirt-piece[data-piece-id="${piece.id}"]`),
    ).toHaveAttribute('aria-hidden', 'true');
  }
  const uncutColor = await preview(page)
    .locator('.skirt-piece.uncut > polygon')
    .first()
    .getAttribute('fill');
  const cutColor = await preview(page).locator('.skirt-cut > polygon').first().getAttribute('fill');
  expect(uncutColor).not.toBe(cutColor);
  const piece = cutFloor[0];
  const thumbnail = page.getByRole('button', {
    name: `Preview flooring cut ${piece.id}`,
    exact: true,
  });
  await expect(thumbnail.locator('svg')).toBeVisible();
  await thumbnail.click();
  const dialog = page.getByRole('dialog', { name: `Flooring cut ${piece.id}`, exact: true });
  await expect(dialog).toBeVisible();
  await expect(dialog.locator('.cut-origin')).toHaveText(
    `${project.rooms[0].name} · Row ${piece.row}`,
  );
  const shape = dialog.getByRole('img', { name: `Flooring shape ${piece.id}` });
  await expect(shape).toBeVisible();
  const dimensions = await measuredEdges(shape);
  expect(dimensions).toHaveLength(2);
  expectHalfMillimetreCuts(dimensions);
  await page.keyboard.press('Escape');
  await expect(page.getByRole('dialog')).toHaveCount(0);
  await expect(thumbnail).toBeFocused();
});

test('inconsistent final measurements block cuts and small residuals show the expected length', async ({
  page,
}) => {
  await openWalls(page);
  await page.getByLabel('Wall 4 length', { exact: true }).fill('3700');
  await page.getByLabel('Wall 4 length', { exact: true }).blur();
  await expect(page.getByText(/The outline is open by 100\.0 mm/).first()).toBeVisible();
  await expect(floorEntries(page)).toHaveCount(0);
  await expect(skirtEntries(page)).toHaveCount(0);
  await page.getByLabel('Wall 4 length', { exact: true }).fill('3605');
  await page.getByLabel('Wall 4 length', { exact: true }).blur();
  await expect(page.getByText(/non-straight wall/)).toBeVisible();
  await expect(page.getByText('Final wall: 3,600 mm expected · 5 mm difference')).toBeVisible();
  expect(await floorEntries(page).count()).toBeGreaterThan(0);
});

test('room warnings stay with their room even when two room names match', async ({ page }) => {
  await openWalls(page);
  await page.getByLabel('Wall 4 length', { exact: true }).fill('3605');
  await page.getByLabel('Wall 4 length', { exact: true }).blur();
  await expect(page.getByText(/non-straight wall/).first()).toBeVisible();
  await page.getByRole('button', { name: 'Add room', exact: true }).click();
  await page.getByLabel('Room name', { exact: true }).fill('Living room');
  await page.getByLabel('Room name', { exact: true }).blur();
  expect(state(page).project.rooms.map((room) => room.name)).toEqual([
    'Living room',
    'Living room',
  ]);
  await expect(page.getByText(/non-straight wall/)).toHaveCount(0);
  await page.locator('.room-tab').first().click();
  await expect(page.getByText(/non-straight wall/).first()).toBeVisible();
  await openWalls(page);
  await page.getByLabel('Wall 4 length', { exact: true }).fill('3700');
  await page.getByLabel('Wall 4 length', { exact: true }).blur();
  await expect(page.getByText(/outline is open by 100\.0 mm/).first()).toBeVisible();
  await page.locator('.room-tab').nth(1).click();
  await expect(page.getByText(/outline is open by 100\.0 mm/)).toHaveCount(0);
  await page.locator('.room-tab').first().click();
  await expect(page.getByText(/outline is open by 100\.0 mm/).first()).toBeVisible();
});

test('custom walls close using a calculated wall that can be measured again', async ({ page }) => {
  await page.getByRole('button', { name: 'Custom', exact: true }).click();
  await page.getByRole('button', { name: 'Add a wall', exact: true }).click();
  await page.getByLabel('Wall 2 length', { exact: true }).fill('3000');
  await page.getByLabel('Wall 2 length', { exact: true }).blur();
  await page.getByRole('button', { name: 'Add a wall', exact: true }).click();
  await page.getByLabel('Wall 3 length', { exact: true }).fill('4000');
  await page.getByLabel('Wall 3 length', { exact: true }).blur();
  await expect(page.getByText('3,000 mm to close')).toBeVisible();
  await page.getByRole('button', { name: 'Add closing wall' }).click();
  expect(await preview(page).locator('.floor-piece').count()).toBeGreaterThan(0);
  await openWalls(page);
  await expect(page.getByLabel('Wall 4 length', { exact: true })).toHaveValue('3000');
  await page.getByLabel('Wall 4 length', { exact: true }).fill('3050');
  await page.getByLabel('Wall 4 length', { exact: true }).blur();
  await expect(page.getByText(/3,000 mm expected; length differs by 50 mm/)).toBeVisible();
});

test('fireplace thumbnails open true-scale mitres and shaped floor cuts in dialogs', async ({
  page,
}) => {
  await page.getByRole('button', { name: 'With fireplace' }).click();
  await expect(page.getByLabel('Wall 8 length', { exact: true })).toHaveValue('3600');
  await expect(preview(page).getByRole('img', { name: /floor plan with/ })).toHaveAttribute(
    'aria-label',
    /8 walls/,
  );
  await noWallLabelOverlap(page);
  const { floor, skirt } = plans(page);
  const mitred = skirtingCuts(skirt).find(
    (piece) => Math.abs(piece.leftMitre) === 45 || Math.abs(piece.rightMitre) === 45,
  )!;
  expect(mitred).toBeDefined();
  const thumbnail = page.getByRole('button', {
    name: `Preview skirting cut ${mitred.id}`,
    exact: true,
  });
  await expect(thumbnail.locator('svg').first()).toBeVisible();
  await thumbnail.click();
  const dialog = page.getByRole('dialog', { name: `Skirting cut ${mitred.id}`, exact: true });
  await expect(dialog).toBeVisible();
  await expect(dialog).toContainText(/longest points/i);
  const lengths = await dialog.locator('.skirting-full-preview .dimension-label').allTextContents();
  expect(lengths.map((text) => Number(text.replaceAll(',', '')))).toEqual(
    expect.arrayContaining([
      Number(cutMm(mitred.length).replaceAll(',', '')),
      Number(cutMm(mitred.backLength).replaceAll(',', '')),
    ]),
  );
  const end = Math.abs(mitred.leftMitre) === 45 ? 'left' : 'right';
  const projected = await dialog
    .locator(`.skirting-cut-edge[data-end="${end}"]`)
    .evaluate((element) => {
      const line = element as SVGLineElement;
      const matrix = line.getScreenCTM()!;
      const start = new DOMPoint(line.x1.baseVal.value, line.y1.baseVal.value).matrixTransform(
        matrix,
      );
      const finish = new DOMPoint(line.x2.baseVal.value, line.y2.baseVal.value).matrixTransform(
        matrix,
      );
      return { dx: Math.abs(finish.x - start.x), dy: Math.abs(finish.y - start.y) };
    });
  expect(projected.dx).toBeGreaterThan(5);
  expect(projected.dy).toBeGreaterThan(5);
  expect(
    projected.dx,
    'A 45° mitre must have equal horizontal and vertical screen distances',
  ).toBeCloseTo(projected.dy, 1);
  await page.getByRole('button', { name: 'Close cut preview', exact: true }).click();
  await expect(thumbnail).toBeFocused();
  const shaped = flooringCuts(floor).find((piece) => piece.shaped)!;
  expect(shaped).toBeDefined();
  await page
    .getByRole('button', { name: `Preview flooring cut ${shaped.id}`, exact: true })
    .click();
  await expect(
    page.getByRole('dialog', { name: `Flooring cut ${shaped.id}`, exact: true }),
  ).toBeVisible();
  const shapedPreview = page
    .getByRole('dialog')
    .getByRole('img', { name: `Flooring shape ${shaped.id}` });
  await expect(shapedPreview).toBeVisible();
  const dimensions = await measuredEdges(shapedPreview);
  expect(dimensions).toHaveLength(shaped.template.length);
  expectHalfMillimetreCuts(dimensions);
  await expect(
    page.getByRole('dialog').locator('.template-coordinates, .vertex-label, .cut-measures'),
  ).toHaveCount(0);
  await page.keyboard.press('Escape');
  await expect(page.getByRole('dialog')).toHaveCount(0);
  await expect(page.locator('.selected-cut')).toHaveCount(0);
});

test('internal skirting corners retain coping blanks and expose the installed minimum', async ({
  page,
}) => {
  const fixture = defaultState();
  fixture.project.rooms = [rectangle('room-1', 'Coped room', 2400, 2400)];
  fixture.project.rooms[0].walls.forEach((wall) => {
    wall.doors = [];
  });
  fixture.project.skirting = { stockLength: 2400, thickness: 18, minLength: 200, kerf: 3 };
  await page.goto(`/${encodeState(fixture)}`);
  const { skirt } = plans(page);
  expect(skirt.stockCount).toBe(4);
  expect(skirt.cuts).toBe(8);
  expect(skirt.pieces).toHaveLength(4);
  expect(
    skirt.pieces.every(
      (piece) =>
        Math.abs(piece.length - 2400) < 0.001 && Math.abs(piece.visibleLength - 2364) < 0.001,
    ),
  ).toBe(true);
  const receiver = skirt.pieces.find((piece) => piece.wallIndex === 0)!;
  expect([receiver.leftType, receiver.rightType]).toEqual(['internal', 'internal']);
  expect(skirtingCuts(skirt).map((piece) => piece.id)).toEqual(['A1', 'A2', 'A3']);
  await expect(skirtCodes(page)).toHaveCount(3);
  await expect(page.locator('.skirting-cuts .cut-summary')).toContainText(
    'Buy 4 lengths · 1 installed uncut',
  );
  const entry = skirtEntries(page).filter({
    has: page.getByRole('button', { name: 'Preview skirting cut A1', exact: true }),
  });
  await expect(entry.locator('.cut-size')).toContainText('2,400 mm');
  await expect(entry).toContainText('Left: Cope · prepare 45°');
  await expect(entry).toContainText('Right: Receive cope · square');
  await entry.getByRole('button', { name: 'Preview skirting cut A1', exact: true }).click();
  const dialog = page.getByRole('dialog', { name: 'Skirting cut A1', exact: true });
  await expect(dialog).toContainText('preparation before coping');
  await expect(dialog).toContainText('mark your moulding’s exposed profile');
  await expect(dialog).toContainText('Exposed front length: 2,364 mm.');
  const end = dialog.getByRole('img', { name: 'Left cope preparation close-up A1', exact: true });
  await expect(end).toBeVisible();
  const body = end.locator('.skirting-cope-body');
  await expect(body).toHaveAttribute('stroke-dasharray', '3 2');
  const geometry = await end.evaluate((element) => {
    const prep = element.querySelector('.skirting-cut-edge') as SVGLineElement;
    const body = element.querySelector('.skirting-cope-body') as SVGLineElement;
    return {
      preparationX: prep.x2.baseVal.value - prep.x1.baseVal.value,
      preparationY: prep.y2.baseVal.value - prep.y1.baseVal.value,
      installedX: body.x2.baseVal.value - body.x1.baseVal.value,
    };
  });
  expect(Math.abs(geometry.preparationX)).toBeCloseTo(18, 3);
  expect(Math.abs(geometry.preparationY)).toBeCloseTo(18, 3);
  expect(geometry.installedX).toBeCloseTo(0, 3);
  await page.keyboard.press('Escape');
  const floorCount = await floorEntries(page).count();
  await page.getByText('Advanced skirting settings', { exact: true }).click();
  await page.getByLabel('Minimum piece', { exact: true }).fill('2365');
  await page.getByLabel('Minimum piece', { exact: true }).blur();
  await expect(skirtEntries(page)).toHaveCount(0);
  await expect(floorEntries(page)).toHaveCount(floorCount);
  await expect(page.locator('.issue.error').first()).toBeVisible();
});

test('door positions and material lengths update skirting immediately', async ({ page }) => {
  const before = await page.locator('.skirting-cuts').innerText();
  await page.getByRole('button', { name: 'Add a doorway' }).click();
  await expect(page.locator('.door-card')).toHaveCount(2);
  await page.locator('.door-card').last().getByRole('combobox').selectOption({ label: 'W1' });
  const movedDoor = page.locator('.door-card').first();
  await expect(movedDoor.locator('.door-position')).toContainText(
    'W1: measure from W4 corner toward W2 corner.',
  );
  await movedDoor.getByLabel(/^From W\d+ (corner|start)$/).fill('1200');
  await movedDoor.getByLabel(/^From W\d+ (corner|start)$/).blur();
  await movedDoor.getByLabel('Door width', { exact: true }).fill('900');
  await movedDoor.getByLabel('Door width', { exact: true }).blur();
  expect(state(page).project.rooms[0].walls[0].doors[0]).toMatchObject({
    offset: 1200,
    width: 900,
  });
  await expect(movedDoor.getByRole('img', { name: /^Door on W1:/ })).toHaveAttribute(
    'aria-label',
    'Door on W1: 1,200 mm from W4 corner, then 900 mm opening toward W2 corner',
  );
  expect(await page.locator('.skirting-cuts').innerText()).not.toBe(before);
  await page.getByLabel('Skirting board length', { exact: true }).fill('3600');
  await page.getByLabel('Skirting board length', { exact: true }).blur();
  await page.getByLabel('Skirting thickness', { exact: true }).fill('22');
  await page.getByLabel('Skirting thickness', { exact: true }).blur();
  const { skirt } = plans(page);
  await expect(skirtCodes(page)).toHaveCount(skirtingCuts(skirt).length);
  await expect(page.locator('.skirting-cuts .cut-summary')).toContainText(
    `Buy ${skirt.stockCount} lengths`,
  );
  await movedDoor.getByLabel('Door width', { exact: true }).fill('6000');
  await movedDoor.getByLabel('Door width', { exact: true }).blur();
  await expect(page.getByText(/must fit within the wall/).first()).toBeVisible();
  await expect(skirtEntries(page)).toHaveCount(0);
});

test('invalid skirting settings keep flooring results usable', async ({ page }) => {
  const floorCount = await floorCodes(page).count();
  await page.getByLabel('Skirting board length', { exact: true }).fill('100');
  await page.getByLabel('Skirting board length', { exact: true }).blur();
  await expect(skirtEntries(page)).toHaveCount(0);
  await expect(floorCodes(page)).toHaveCount(floorCount);
  await expect(page.locator('.issue.error').first()).toBeVisible();
  await page.getByLabel('Skirting board length', { exact: true }).fill('2400');
  await page.getByLabel('Skirting board length', { exact: true }).blur();
  expect(await skirtEntries(page).count()).toBeGreaterThan(0);
});

test('fractional stock keeps the planner usable and displays the blanks that actually fit', async ({
  page,
}) => {
  const fixture = defaultState();
  fixture.project.rooms = [rectangle('room-1', 'Fractional room', 2400.1, 2400.1)];
  fixture.project.rooms[0].walls.forEach((wall) => {
    wall.doors = [];
  });
  fixture.project.skirting = { stockLength: 1200.2, thickness: 18, minLength: 300, kerf: 3 };
  await page.goto(`/${encodeState(fixture)}`);
  await expect(preview(page)).toBeVisible();
  await expect(skirtCodes(page)).toHaveCount(7);
  const code = skirtingCuts(plans(page).skirt).find(
    (piece) => Math.abs(piece.length - 1200.2) < 1e-6,
  )!.id;
  const entry = skirtEntries(page).filter({
    has: page.getByRole('button', { name: `Preview skirting cut ${code}`, exact: true }),
  });
  await expect(entry.locator('.cut-size')).toContainText('1,200.2 mm');
  await entry.getByRole('button', { name: `Preview skirting cut ${code}`, exact: true }).click();
  const dialog = page.getByRole('dialog');
  await expect(dialog.locator('.skirting-full-preview figcaption')).toContainText(
    '1,200.2 × 18 mm',
  );
  expect(await dialog.locator('.dimension-label').allTextContents()).not.toContain('1,200.5');
});

test('pattern, direction and spacers persist without steps, layers or stored results', async ({
  page,
}) => {
  await page.getByLabel('Room length', { exact: true }).fill('3650');
  await page.getByLabel('Room length', { exact: true }).blur();
  await page.getByRole('button', { name: 'Random', exact: true }).click();
  await page.getByRole('button', { name: 'Across first wall', exact: true }).click();
  await page.getByLabel('Wall spacer', { exact: true }).fill('12');
  await page.getByLabel('Wall spacer', { exact: true }).blur();
  expect(state(page).project.flooring).toMatchObject({ pattern: 'random', gap: 12 });
  expect(state(page).project.rooms[0].direction).toBe(90);
  const table = await page.locator('.flooring-cuts').innerText();
  await page.reload();
  await expect(page.getByLabel('Wall spacer', { exact: true })).toHaveValue('12');
  await expect(page.getByRole('button', { name: 'Random', exact: true })).toHaveAttribute(
    'aria-pressed',
    'true',
  );
  await expect(
    page.getByRole('button', { name: 'Across first wall', exact: true }),
  ).toHaveAttribute('aria-pressed', 'true');
  await expect(page.locator('.flooring-cuts')).toHaveText(table, { useInnerText: true });
  await noHorizontalOverflow(page);
  expect(await savedQuery(page)).toBe(new URL(page.url()).search);
});

test('localStorage restores all project and view parameters when reopening without a link', async ({
  page,
  context,
}) => {
  const fixture = sharedRoomFixture();
  fixture.project.rooms[0].name = 'Café 北 flooring';
  fixture.project.tolerance = 7;
  fixture.project.flooring = {
    ...fixture.project.flooring,
    length: 1300,
    width: 180,
    gap: 12,
    pattern: 'random',
    minOffset: 250,
    maxOffset: 600,
    minLength: 180,
    minWidth: 50,
    kerf: 2.5,
  };
  fixture.project.skirting = { stockLength: 3600, thickness: 20, minLength: 250, kerf: 2 };
  fixture.project.rooms[1].walls[0].doors = [{ id: 'study-door', offset: 300, width: 850 }];
  fixture.project.completedBoards = ['floor:B1', 'skirting:S1'];
  fixture.view = {
    roomId: 'room-2',
    selectedPiece: 'flooring:F1',
    focus: null,
    search: 'Study',
    collapsedSections: ['cuts', 'materials'],
    material: 'flooring',
  };
  const query = encodeState(fixture);
  await page.goto(`/${query}`);
  await expect(page.getByRole('dialog', { name: 'Flooring cut F1', exact: true })).toBeVisible();
  expect(await savedQuery(page)).toBe(query);

  const reopened = await context.newPage();
  await reopened.goto('/?planner');
  await expect(reopened).toHaveURL(page.url());
  expect(state(reopened)).toEqual(fixture);
  await expect(
    reopened.getByRole('dialog', { name: 'Flooring cut F1', exact: true }),
  ).toBeVisible();
  await reopened.keyboard.press('Escape');
  await expect(reopened.getByLabel('Room name', { exact: true })).toHaveValue('Study');
  await expect(reopened.locator('#materials-content')).toBeHidden();
  await expect(reopened.locator('#cuts-content')).toBeHidden();
  await reopened.getByLabel('Room name', { exact: true }).fill('Saved study');
  await reopened.getByLabel('Room name', { exact: true }).blur();
  fixture.project.rooms[1].name = 'Saved study';
  fixture.view.selectedPiece = null;
  expect(await savedQuery(reopened)).toBe(encodeState(fixture));
  await reopened.goto('/?planner');
  await expect(reopened.getByLabel('Room name', { exact: true })).toHaveValue('Saved study');
  expect(state(reopened)).toEqual(fixture);
  await reopened.close();
});

test('explicit query parameters override the saved plan and default omitted fields', async ({
  page,
}) => {
  await page.getByLabel('Room name', { exact: true }).fill('Saved room');
  await page.getByLabel('Room name', { exact: true }).blur();
  await page.getByLabel('Wall spacer', { exact: true }).fill('12');
  await page.getByLabel('Wall spacer', { exact: true }).blur();
  await page.goto('/?flooring.length=1400');
  await expect(page.getByLabel('Board length', { exact: true })).toHaveValue('1400');
  const expected = defaultState();
  expected.project.flooring.length = 1400;
  expect(state(page)).toEqual(expected);
  expect(await savedQuery(page)).toBe(encodeState(expected));
});

for (const saved of ['damaged data', '?flooring.length=broken']) {
  test(`invalid localStorage falls back to defaults: ${saved}`, async ({ page }) => {
    await page.evaluate(
      ([key, value]) => localStorage.setItem(key, value),
      [PROJECT_STORAGE_KEY, saved],
    );
    await page.goto('/?planner');
    await expect(page).toHaveURL(/\?plan=/);
    await expect(page.locator('.url-error')).toHaveCount(0);
    expect(state(page)).toEqual(defaultState());
    expect(await savedQuery(page)).toBe(encodeState(defaultState()));
  });
}

for (const failure of ['blocked', 'full']) {
  test(`URL persistence still works when localStorage is ${failure}`, async ({ page }) => {
    await page.addInitScript((failure) => {
      if (failure === 'blocked') {
        Object.defineProperty(window, 'localStorage', {
          get() {
            throw new DOMException('Storage blocked', 'SecurityError');
          },
        });
      } else {
        Storage.prototype.setItem = () => {
          throw new DOMException('Storage full', 'QuotaExceededError');
        };
      }
    }, failure);
    await page.goto('/?planner');
    await expect(page.getByLabel('Room name', { exact: true })).toHaveValue('Living room');
    await page.getByLabel('Room name', { exact: true }).fill('URL still works');
    await page.getByLabel('Room name', { exact: true }).blur();
    expect(state(page).project.rooms[0].name).toBe('URL still works');
    await page.reload();
    await expect(page.getByLabel('Room name', { exact: true })).toHaveValue('URL still works');
    await expect(page.locator('.url-error')).toHaveCount(0);
  });
}

test('a narrow remainder is shared between the first and last flooring rows', async ({ page }) => {
  // 3650 minus two 10 mm spacers leaves 19 full rows and a 20 mm sliver.
  await page.getByLabel('Room length', { exact: true }).fill('3650');
  await page.getByLabel('Room length', { exact: true }).blur();
  const { floor } = plans(page);
  for (const row of [1, 20]) {
    const piece = flooringCuts(floor).find((piece) => piece.row === row);
    expect(piece).toBeDefined();
    const group = floorEntries(page).filter({
      has: page.getByRole('button', { name: `Preview flooring cut ${piece!.id}`, exact: true }),
    });
    await expect(group.locator('.cut-size')).toContainText('× 105');
  }
});

test('multiple rooms retain independent measurements with combined cut lists', async ({ page }) => {
  await page.getByRole('button', { name: 'Add room', exact: true }).click();
  await expect(page.getByLabel('Room name', { exact: true })).toHaveValue('Room 2');
  await page.getByLabel('Room name', { exact: true }).fill('Study');
  await page.getByLabel('Room name', { exact: true }).blur();
  await page.getByLabel('Room width', { exact: true }).fill('3200');
  await page.getByLabel('Room width', { exact: true }).blur();
  expect(state(page).project.rooms).toHaveLength(2);
  expect(state(page).project.rooms[0].walls[0].length).toBe(4800);
  expect(state(page).project.rooms[1].walls[0].length).toBe(3200);
  expect(await floorEntries(page).filter({ hasText: 'Living room' }).count()).toBeGreaterThan(0);
  expect(await skirtEntries(page).filter({ hasText: 'Study' }).count()).toBeGreaterThan(0);
  await page.getByRole('button', { name: /^Living room.*m²/ }).click();
  await expect(page.getByLabel('Room width', { exact: true })).toHaveValue('4800');
  await page.getByRole('button', { name: /^Study.*m²/ }).click();
  await expect(page.getByLabel('Room width', { exact: true })).toHaveValue('3200');
  await page.getByRole('button', { name: 'Remove this room' }).click();
  expect(state(page).project.rooms).toHaveLength(1);
  await page.reload();
  await expect(page.getByLabel('Room name', { exact: true })).toHaveValue('Living room');
});

test('shared URLs reopen the selected preview and copying the link preserves the plan', async ({
  page,
  context,
}) => {
  await page.getByLabel('Room name', { exact: true }).fill('Café 北');
  await page.getByLabel('Room name', { exact: true }).blur();
  const { floor } = plans(page);
  const pieceCode = flooringCuts(floor)[0].id;
  await page
    .getByRole('button', { name: `Preview flooring cut ${pieceCode}`, exact: true })
    .click();
  await expect(
    page.getByRole('dialog', { name: `Flooring cut ${pieceCode}`, exact: true }),
  ).toBeVisible();
  expect(state(page).view.selectedPiece).toBe(`flooring:${pieceCode}`);
  const shareUrl = page.url();
  const originalTable = await page.locator('.flooring-cuts').innerText();
  const shared = await context.newPage();
  await shared.goto(shareUrl);
  await expect(
    shared.getByRole('dialog', { name: `Flooring cut ${pieceCode}`, exact: true }),
  ).toBeVisible();
  await expect(shared.locator('.flooring-cuts')).toHaveText(originalTable, {
    useInnerText: true,
  });
  await shared.reload();
  await expect(
    shared.getByRole('dialog', { name: `Flooring cut ${pieceCode}`, exact: true }),
  ).toBeVisible();
  await shared.close();
  await page.keyboard.press('Escape');
  expect(state(page).view.selectedPiece).toBeNull();
  await context.grantPermissions(['clipboard-read', 'clipboard-write']);
  const closedUrl = page.url();
  await page.getByRole('button', { name: 'Copy link', exact: true }).click();
  await expect(page.getByText('Link copied', { exact: true })).toBeVisible();
  expect(await page.evaluate(() => navigator.clipboard.readText())).toBe(closedUrl);
  await page.reload();
  await expect(page.locator('.flooring-cuts')).toHaveText(originalTable, {
    useInnerText: true,
  });
});

test('saw kerf help works with keyboard and touch or mouse', async ({ page, isMobile }) => {
  await page.getByText('Advanced flooring settings', { exact: true }).click();
  await page.getByText('Advanced skirting settings', { exact: true }).click();
  for (const name of ['What is saw kerf?', 'What is skirting saw kerf?']) {
    const button = page.getByRole('button', { name, exact: true });
    await button.focus();
    await button.press('Space');
    await expect(button).toHaveAttribute('aria-expanded', 'true');
    await expect(page.getByRole('tooltip')).toContainText(
      'Width of material removed by the saw blade.',
    );
    await expect(page.getByRole('tooltip')).toContainText('600 mm + 397 mm');
    await button.press('Escape');
    await expect(page.getByRole('tooltip')).toHaveCount(0);
    if (isMobile) await button.tap();
    else await button.click();
    await expect(page.getByRole('tooltip')).toBeVisible();
    await noHorizontalOverflow(page);
    await page.getByLabel('Board length', { exact: true }).focus();
    await expect(page.getByRole('tooltip')).toHaveCount(0);
  }
});

test('invalid URLs recover when measurements are edited', async ({ page }) => {
  const saved = await savedQuery(page);
  await page.goto('/?flooring.length=broken');
  await expect(page.getByText(/Could not load this plan/)).toBeVisible();
  expect(await savedQuery(page)).toBe(saved);
  await page.getByLabel('Room name', { exact: true }).fill('Recovered plan');
  await page.getByLabel('Room name', { exact: true }).blur();
  await expect(page.getByText(/Could not load this plan/)).toHaveCount(0);
  expect(decodeState(new URL(page.url()).search).error).toBeNull();
  expect(new URL(page.url()).hash).toBe('');
  expect(await savedQuery(page)).toBe(new URL(page.url()).search);
  await page.reload();
  await expect(page.getByLabel('Room name', { exact: true })).toHaveValue('Recovered plan');
});

test('clicking the skirting code itself opens its cutting dialog', async ({ page }) => {
  await page
    .getByRole('group', { name: 'Plan view' })
    .getByRole('button', { name: 'Skirting', exact: true })
    .click();
  for (const target of ['rect', 'text']) {
    const code = preview(page).locator('.skirting-code').first();
    const id = await code.evaluate((element) =>
      element.closest('[data-piece-id]')!.getAttribute('data-piece-id'),
    );
    // The text receives centre clicks; use the exposed corner to test the backing rectangle.
    await code.locator(target).click(target === 'rect' ? { position: { x: 1, y: 1 } } : {});
    await expect(
      page.getByRole('dialog', { name: `Skirting cut ${id}`, exact: true }),
    ).toBeVisible();
    expect(state(page).view.selectedPiece).toBe(`skirting:${id}`);
    await page.keyboard.press('Escape');
    await expect(page.getByRole('dialog')).toHaveCount(0);
  }
});

test('the versioned payload and browser history preserve the plan', async ({ page }) => {
  const initial = defaultState();
  initial.project.rooms[0].name = 'Current lounge';
  initial.project.flooring.pattern = 'random';
  await page.goto(`/${encodeState(initial)}`);
  await expect(page).toHaveURL(/\?plan=/);
  expect(state(page)).toEqual(initial);
  await expect.poll(() => savedQuery(page)).toBe(encodeState(initial));
  const original = page.url();
  await page.getByRole('button', { name: 'Add room', exact: true }).click();
  await page.getByLabel('Room name', { exact: true }).fill('Study');
  await page.getByLabel('Room name', { exact: true }).blur();
  await page.getByLabel('Room width', { exact: true }).fill('3333');
  await page.getByLabel('Room width', { exact: true }).blur();
  const twoRooms = page.url();
  expect(state(page).project.rooms[1]).toMatchObject({
    name: 'Study',
    walls: [{ length: 3333 }, {}, {}, {}],
  });
  expect(state(page).project.flooring.pattern).toBe('random');
  await page.goBack();
  await expect(page).toHaveURL(original);
  await expect(page.getByLabel('Room name', { exact: true })).toHaveValue('Current lounge');
  expect(state(page).project.rooms).toHaveLength(1);
  expect(await savedQuery(page)).toBe(new URL(original).search);
  await page.goForward();
  await expect(page).toHaveURL(twoRooms);
  await expect(page.getByLabel('Room name', { exact: true })).toHaveValue('Study');
  await expect(page.getByLabel('Room width', { exact: true })).toHaveValue('3333');
  expect(await savedQuery(page)).toBe(new URL(twoRooms).search);
  const edited = state(page);
  edited.project.flooring.width = 205;
  await page.goto(`/${encodeState(edited)}`);
  await expect(page.getByLabel('Board width', { exact: true })).toHaveValue('205');
  await page.reload();
  await expect(page.getByLabel('Board width', { exact: true })).toHaveValue('205');
  expect(state(page).project.rooms).toHaveLength(2);
});

test('printing includes every room and every cut once, grouped by its source board', async ({
  page,
}) => {
  const fixture = sharedRoomFixture();
  await page.goto(`/${encodeState(fixture)}`);
  await expect(page.getByLabel('Room name', { exact: true })).toHaveValue('Study');
  const { floor, skirt, project } = plans(page);
  const cuts = flooringCuts(floor),
    skirting = skirtingCuts(skirt);
  const screenFloor = await stockGroups(page.locator('.flooring-cuts .stock-cut-group'));
  const screenSkirting = await stockGroups(page.locator('.skirting-cuts .stock-cut-group'));
  expect(screenFloor).toEqual(expectedGroups(floor.stocks, cuts));
  expect(screenSkirting).toEqual(expectedGroups(skirt.stocks, skirting));
  expect(
    screenFloor.some(
      (group) =>
        new Set(group.codes.map((id) => cuts.find((piece) => piece.id === id)!.roomId)).size > 1,
    ),
  ).toBe(true);
  await expect(page.locator('.print-plan')).toBeHidden();
  await page.emulateMedia({ media: 'print' });
  await expect(page.locator('.print-plan')).toBeVisible();
  const printed = page.locator('.print-plan');
  await expect(printed).toBeVisible();
  await expect(page.getByRole('heading', { name: 'Room measurements' })).toBeHidden();
  await expect(printed.locator('.print-room')).toHaveCount(project.rooms.length);
  for (const room of project.rooms) {
    const drawing = printed.locator(`.print-room[data-room-id="${room.id}"]`);
    await expect(drawing.locator('h2').first()).toContainText(room.name);
    await expect(drawing.getByRole('img', { name: /floor plan with/ })).toBeVisible();
    await expect(drawing.locator('.floor-piece')).toHaveCount(
      floor.pieces.filter((piece) => piece.roomId === room.id).length,
    );
    await expect(drawing.locator('.skirt-piece')).toHaveCount(
      skirt.pieces.filter((piece) => piece.roomId === room.id).length,
    );
    await expect(drawing.getByRole('button')).toHaveCount(0);
  }
  const printedFloor = await stockGroups(printed.locator('.print-flooring .print-stock'));
  const printedSkirting = await stockGroups(printed.locator('.print-skirting .print-stock'));
  expect(printedFloor).toEqual(screenFloor);
  expect(printedSkirting).toEqual(screenSkirting);
  expect(printedFloor.flatMap((group) => group.codes).sort()).toEqual(
    cuts.map((piece) => piece.id).sort(),
  );
  expect(printedSkirting.flatMap((group) => group.codes).sort()).toEqual(
    skirting.map((piece) => piece.id).sort(),
  );
  for (const piece of [...cuts, ...skirting]) {
    const cut = printed.locator(`.print-cut[data-cut-id="${piece.id}"]`);
    await expect(cut).toBeVisible();
    expect(await cut.locator('.dimension-label').count()).toBeGreaterThanOrEqual(2);
    await expect(cut.locator('svg').first()).toBeVisible();
  }
  expect(await printed.innerText()).not.toMatch(
    /\b(?:FU|SU)\d+\b|(?:Floorboard B|Skirting(?: board)? S)\d+/i,
  );
  await page.emulateMedia({ media: 'screen' });
  await expect(printed).toBeHidden();
  await expect(page.getByLabel('Room name', { exact: true })).toHaveValue('Study');
});

test('panels collapse independently and the room stays pinned while reading cuts', async ({
  page,
}) => {
  for (const section of ['measurements', 'materials', 'cuts']) {
    await expect(panel(page, section).locator('.panel-toggle')).toHaveAttribute(
      'aria-expanded',
      'true',
    );
    await panel(page, section).locator('.panel-toggle').click();
    await expect(page.locator(`#${section}-content`)).toBeHidden();
  }
  expect(state(page).view.collapsedSections.slice().sort()).toEqual([
    'cuts',
    'materials',
    'measurements',
  ]);
  await page.reload();
  for (const section of ['measurements', 'materials', 'cuts']) {
    await expect(panel(page, section).locator('.panel-toggle')).toHaveAttribute(
      'aria-expanded',
      'false',
    );
  }
  await panel(page, 'cuts').locator('.panel-toggle').click();
  await expect(page.getByLabel('Find a cut or room', { exact: true })).toBeVisible();
  await skirtEntries(page).last().scrollIntoViewIfNeeded();
  const scroll = await page.evaluate(() => window.scrollY);
  expect(scroll).toBeGreaterThan(500);
  const drawing = await page.locator('.drawing-column').boundingBox();
  const viewport = page.viewportSize()!;
  expect(drawing!.y).toBeGreaterThanOrEqual(0);
  expect(drawing!.y).toBeLessThanOrEqual(20);
  expect(drawing!.y + drawing!.height).toBeLessThanOrEqual(viewport.height + 1);
  if (viewport.width >= 900) {
    const panels = await page.locator('.planning-panels').boundingBox();
    expect(drawing!.x).toBeGreaterThan(panels!.x + panels!.width);
  }
  await noDrawingScroll(page);
  await noHorizontalOverflow(page);
});

test('drawing cuts still open a usable preview when the cut plan is collapsed', async ({
  page,
}) => {
  await panel(page, 'cuts').locator('.panel-toggle').click();
  await expect(page.locator('#cuts-content')).toBeHidden();
  await preview(page).locator('.floor-code[data-piece-id="F1"] text').click();
  const dialog = page.getByRole('dialog', { name: 'Flooring cut F1', exact: true });
  await expect(dialog).toBeVisible();
  await expect(dialog.locator('.cut-dimensions')).toBeVisible();
  expect(state(page).view.selectedPiece).toBe('flooring:F1');
  await page.keyboard.press('Escape');
  await expect(dialog).toHaveCount(0);
  await expect(page.locator('#cuts-content')).toBeHidden();
});

test('negative angles can be backspaced and retyped without saving unfinished drafts', async ({
  page,
}) => {
  await page.getByRole('button', { name: 'With fireplace' }).click();
  const turn = page.getByLabel('Wall 4 turn', { exact: true });
  await expect(turn).toHaveValue('-90');
  await expect(turn).toHaveAttribute('type', 'text');
  await turn.focus();
  await turn.press('End');
  await turn.press('Backspace');
  await expect(turn).toHaveValue('-9');
  expect(state(page).project.rooms[0].walls[3].turn).toBe(-90);
  const committed = page.url();
  await turn.press('Backspace');
  await expect(turn).toHaveValue('-');
  expect(page.url()).toBe(committed);
  await turn.press('Backspace');
  await expect(turn).toHaveValue('');
  expect(page.url()).toBe(committed);
  await turn.pressSequentially('-45');
  expect(page.url()).toBe(committed);
  await turn.press('Escape');
  await expect(turn).toHaveValue('-90');
  await turn.fill('-80');
  await turn.press('Enter');
  expect(state(page).project.rooms[0].walls[3].turn).toBe(-80);
  await turn.fill('-90');
  await turn.blur();
  await expect(turn).toHaveValue('-90');
  expect(state(page).project.rooms[0].walls[3].turn).toBe(-90);
  expect(await preview(page).locator('.floor-piece').count()).toBeGreaterThan(0);
  const restored = page.url();
  await turn.fill('-');
  expect(page.url()).toBe(restored);
  await turn.press('Enter');
  await expect(turn).toHaveValue('-90');
  expect(page.url()).toBe(restored);
  const length = page.getByLabel('Wall 4 length', { exact: true });
  await length.fill('');
  expect(page.url()).toBe(restored);
  await length.press('Tab');
  await expect(length).toHaveValue('450');
  expect(decodeState(new URL(page.url()).search).error).toBeNull();
});

test('inserting and reordering walls keeps stable wall IDs and attached doors', async ({
  page,
  isMobile,
}) => {
  await openWalls(page);
  const originals = state(page).project.rooms[0].walls;
  const originalIds = originals.map((wall) => wall.id);
  const doorWall = originals.find((wall) => wall.doors.length)!;
  await page.getByRole('button', { name: 'Insert wall after W2', exact: true }).click();
  let walls = state(page).project.rooms[0].walls;
  expect(walls).toHaveLength(5);
  const inserted = walls[2];
  expect(originalIds).not.toContain(inserted.id);
  expect(inserted).toMatchObject({ length: 1000, turn: 90, doors: [] });
  expect(walls.map((wall) => wall.id)).toEqual([
    originalIds[0],
    originalIds[1],
    inserted.id,
    originalIds[2],
    originalIds[3],
  ]);
  await page.getByRole('button', { name: 'Move wall 5 up', exact: true }).click();
  expect(state(page).project.rooms[0].walls[3]).toEqual(doorWall);
  await page.getByRole('button', { name: 'Move wall 4 down', exact: true }).click();
  expect(state(page).project.rooms[0].walls[4]).toEqual(doorWall);
  if (!isMobile) {
    const source = page.locator(`.wall-row[data-wall-id="${doorWall.id}"] .wall-drag-handle`);
    const target = page.locator(`.wall-row[data-wall-id="${originalIds[0]}"]`);
    await page.locator('.wall-table').evaluate((table) => table.scrollIntoView({ block: 'start' }));
    await source.dragTo(target);
    expect(state(page).project.rooms[0].walls[0]).toEqual(doorWall);
  }
  walls = state(page).project.rooms[0].walls;
  for (const original of originals)
    expect(walls.find((wall) => wall.id === original.id)).toEqual(original);
  expect(new Set(walls.map((wall) => wall.id)).size).toBe(5);
  const order = walls.map((wall) => wall.id);
  await page.reload();
  await expect(page.locator('.wall-row')).toHaveCount(5);
  expect(
    await page
      .locator('.wall-row')
      .evaluateAll((rows) => rows.map((row) => row.getAttribute('data-wall-id'))),
  ).toEqual(order);
  expect(state(page).project.rooms[0].walls.find((wall) => wall.id === doorWall.id)!.doors).toEqual(
    doorWall.doors,
  );
});

test('the supplied angled room keeps W12 lines and labels inside the drawing', async ({
  page,
  isMobile,
}) => {
  const angledRoom = await readFile(
    new URL('../tests/fixtures/angled-room.json', import.meta.url),
    'utf8',
  );
  const fixture = JSON.parse(angledRoom) as UrlState;
  await page.goto(`/${encodeState(fixture)}`);
  await expect(preview(page).locator('.wall-drawing')).toHaveCount(12);
  for (const width of isMobile ? [320, 390] : [1280]) {
    await page.setViewportSize({ width, height: 844 });
    await wallDimensionsInsideSvg(page, 12);
    await noDrawingScroll(page);
    await noHorizontalOverflow(page);
  }
});

test('short fireplace cuts retain positive shapes and readable labels above the walls', async ({
  page,
  isMobile,
}) => {
  await page.setViewportSize({ width: isMobile ? 320 : 1280, height: 844 });
  await page.goto(`/${encodeState(shortFireplaceFixture())}`);
  const { floor } = plans(page);
  const cuts = flooringCuts(floor);
  expect(cuts.some((piece) => piece.length < 100)).toBe(true);
  for (const piece of floor.pieces) {
    expect(piece.length).toBeGreaterThan(0);
    expect(piece.width).toBeGreaterThan(0);
    const twiceArea = piece.polygon.reduce((sum, point, i) => {
      const next = piece.polygon[(i + 1) % piece.polygon.length];
      return sum + point.x * next.y - next.x * point.y;
    }, 0);
    expect(Math.abs(twiceArea)).toBeGreaterThan(0.001);
  }
  const labels = preview(page).locator('.floor-code');
  await expect(labels).toHaveCount(cuts.length);
  const failures = await preview(page)
    .locator('svg.room-svg')
    .evaluate((element) => {
      const svg = element as SVGSVGElement;
      const box = svg.viewBox.baseVal;
      const inverse = svg.getScreenCTM()!.inverse();
      const geometry = [...svg.querySelectorAll('.wall-drawing, .skirt-piece')];
      const failures: string[] = [];
      const rectangles: { id: string | null; rect: DOMRect }[] = [];
      for (const label of svg.querySelectorAll('.floor-code')) {
        const id = label.getAttribute('data-piece-id');
        const rect = label.querySelector('rect') as SVGRectElement;
        const text = label.querySelector('text') as SVGTextElement;
        const rectBox = rect.getBoundingClientRect(),
          textBox = text.getBoundingClientRect();
        if (
          textBox.left < rectBox.left - 0.5 ||
          textBox.right > rectBox.right + 0.5 ||
          textBox.top < rectBox.top - 0.5 ||
          textBox.bottom > rectBox.bottom + 0.5
        )
          failures.push(`${id}: text exceeds its backing rectangle`);
        rectangles.push({ id, rect: rectBox });
        const bounds = rect.getBBox();
        const transform = inverse.multiply(rect.getScreenCTM()!);
        const corners = [
          [bounds.x, bounds.y],
          [bounds.x + bounds.width, bounds.y],
          [bounds.x + bounds.width, bounds.y + bounds.height],
          [bounds.x, bounds.y + bounds.height],
        ].map(([x, y]) => new DOMPoint(x, y).matrixTransform(transform));
        if (
          corners.some(
            (point) =>
              point.x < box.x - 0.01 ||
              point.y < box.y - 0.01 ||
              point.x > box.x + box.width + 0.01 ||
              point.y > box.y + box.height + 0.01,
          )
        )
          failures.push(`${id}: label extends outside the SVG viewBox`);
        if (
          !geometry.every((shape) =>
            Boolean(shape.compareDocumentPosition(label) & Node.DOCUMENT_POSITION_FOLLOWING),
          )
        )
          failures.push(`${id}: wall or skirting paints above label`);
      }
      rectangles.forEach((first, i) =>
        rectangles.slice(i + 1).forEach((second) => {
          if (
            Math.min(first.rect.right, second.rect.right) -
              Math.max(first.rect.left, second.rect.left) >
              0.5 &&
            Math.min(first.rect.bottom, second.rect.bottom) -
              Math.max(first.rect.top, second.rect.top) >
              0.5
          )
            failures.push(`${first.id} and ${second.id}: label rectangles overlap`);
        }),
      );
      return failures;
    });
  expect(failures).toEqual([]);
  expect(await labels.locator('.piece-label-leader').count()).toBeGreaterThan(0);
  const short = cuts.find((piece) => piece.length < 100)!;
  await preview(page).locator(`.floor-code[data-piece-id="${short.id}"] text`).click();
  await expect(
    page.getByRole('dialog', { name: `Flooring cut ${short.id}`, exact: true }),
  ).toBeVisible();
  await page.keyboard.press('Escape');
  const header = (await preview(page).locator('.drawing-header').boundingBox())!;
  const legend = (await preview(page).locator('.drawing-legend').boundingBox())!;
  expect(legend.y + legend.height - header.y).toBeLessThanOrEqual(isMobile ? 70 : 60);
  await noHorizontalOverflow(page);
});

test('the supplied F8 room aligns a row seam with its fireplace corner and keeps exact templates', async ({
  page,
}) => {
  const json = await readFile(
    new URL('../tests/fixtures/angled-room-f8.json', import.meta.url),
    'utf8',
  );
  const fixture = JSON.parse(json) as UrlState;
  fixture.view.selectedPiece = null;
  fixture.view.search = '';
  await page.goto(`/${encodeState(fixture)}`);
  const { floor, skirt } = plans(page);
  const corner = { x: 7607.513, y: 2160.34 };
  const atCorner = floor.pieces.filter((piece) =>
    piece.polygon.some((point) => Math.hypot(point.x - corner.x, point.y - corner.y) < 0.01),
  );
  expect(atCorner.length).toBeGreaterThanOrEqual(2);
  expect(new Set(atCorner.map((piece) => piece.row)).size).toBe(2);
  for (const piece of atCorner) {
    // Flooring runs vertically here, so a row seam has a constant world x coordinate.
    const xs = piece.polygon.map((point) => point.x);
    expect(
      Math.min(Math.abs(corner.x - Math.min(...xs)), Math.abs(corner.x - Math.max(...xs))),
    ).toBeLessThan(0.01);
    const polygon = preview(page).locator(`.floor-piece[data-piece-id="${piece.id}"] > polygon`);
    const drawn = await polygon.evaluate((element) =>
      [...(element as SVGPolygonElement).points].map((point) => ({ x: point.x, y: point.y })),
    );
    expect(drawn).toHaveLength(piece.polygon.length);
    drawn.forEach((point, i) => {
      expect(point.x).toBeCloseTo(piece.polygon[i].x, 2);
      expect(point.y).toBeCloseTo(piece.polygon[i].y, 2);
    });
  }
  const cut = atCorner.find((piece) => piece.cut)!;
  await page.getByRole('button', { name: `Preview flooring cut ${cut.id}`, exact: true }).click();
  const dialog = page.getByRole('dialog', { name: `Flooring cut ${cut.id}`, exact: true });
  const shape = dialog.getByRole('img', { name: `Flooring shape ${cut.id}`, exact: true });
  await expect(shape).toBeVisible();
  const dimensions = await measuredEdges(shape);
  expect(
    dimensions.some(({ actual }) => Math.abs(actual * 2 - Math.round(actual * 2)) > 0.001),
  ).toBe(true);
  expectHalfMillimetreCuts(dimensions);
  expect(state(page).project.rooms[0].walls).toEqual(fixture.project.rooms[0].walls);
  await page.keyboard.press('Escape');
  const skirtCut = skirtingCuts(skirt).find(
    (piece) =>
      Math.abs(piece.length * 2 - Math.round(piece.length * 2)) > 0.001 ||
      Math.abs(piece.backLength * 2 - Math.round(piece.backLength * 2)) > 0.001,
  )!;
  expect(skirtCut).toBeDefined();
  await page
    .getByRole('button', { name: `Preview skirting cut ${skirtCut.id}`, exact: true })
    .click();
  const skirtDialog = page.getByRole('dialog', {
    name: `Skirting cut ${skirtCut.id}`,
    exact: true,
  });
  const lengths = await skirtDialog
    .locator('.skirting-full-preview .dimension-label')
    .allTextContents();
  expect(lengths.map((text) => Number(text.replaceAll(',', '')))).toEqual(
    expect.arrayContaining([
      Number(cutMm(skirtCut.length).replaceAll(',', '')),
      Number(cutMm(skirtCut.backLength).replaceAll(',', '')),
    ]),
  );
  await page.keyboard.press('Escape');
  await noVisibleStockIds(page);
  await noHorizontalOverflow(page);
});

test('completed source boards and locate actions follow shared offcuts across rooms', async ({
  page,
}) => {
  const fixture = sharedRoomFixture();
  await page.goto(`/${encodeState(fixture)}`);
  const { floor, skirt } = plans(page);
  const shared = floor.stocks.find(
    (stock) =>
      new Set(stock.pieceIds.map((id) => floor.pieces.find((piece) => piece.id === id)!.roomId))
        .size > 1,
  )!;
  expect(shared).toBeDefined();
  const sourcePieces = floor.pieces.filter((piece) => piece.stockId === shared.id);
  const key = `floor:${shared.id}`;
  const group = page.locator(`.stock-cut-group[data-board-key="${key}"]`);
  await expect(group).toBeVisible();
  const groupCodes = await group
    .locator('.board-cut')
    .evaluateAll((cuts) => cuts.map((cut) => cut.getAttribute('data-cut-id')).join(' + '));
  const done = group.getByRole('checkbox', {
    name: `Mark cuts ${groupCodes} done`,
    exact: true,
  });
  await done.check();
  await expect(group).toHaveClass(/is-done/);
  expect(state(page).project.completedBoards).toEqual([key]);
  await group.getByRole('button', { name: `Show cuts ${groupCodes} on plan`, exact: true }).click();
  expect(state(page).view.focus).toEqual({ kind: 'board', material: 'flooring', id: shared.id });
  expect(state(page).view.search).toBe('');
  const search = page.getByLabel('Find a cut or room', { exact: true });
  await expect(search).toHaveValue('');
  await expect(page.locator('.plan-search-status')).toContainText(groupCodes);
  await noVisibleStockIds(page);
  await search.fill('');
  await search.blur();
  await search.fill(groupCodes);
  await search.blur();
  expect(state(page).view.search).toBe(groupCodes);
  await noVisibleStockIds(page);
  expect(await highlightedIds(page, 'flooring')).toEqual(
    sourcePieces
      .filter((piece) => piece.roomId === 'room-2')
      .map((piece) => piece.id)
      .sort(),
  );
  await page
    .locator('.matching-rooms')
    .getByRole('button', { name: 'Living room', exact: true })
    .click();
  expect(state(page).view.roomId).toBe('room-1');
  expect(await highlightedIds(page, 'flooring')).toEqual(
    sourcePieces
      .filter((piece) => piece.roomId === 'room-1')
      .map((piece) => piece.id)
      .sort(),
  );
  expect(
    await preview(page)
      .locator('.floor-piece[data-highlighted="true"]')
      .evaluateAll((pieces) => pieces.every((piece) => piece.getAttribute('data-done') === 'true')),
  ).toBe(true);
  const piece = sourcePieces.find((piece) => piece.roomId === 'room-2')!;
  await page.getByRole('button', { name: `Show cut ${piece.id} on plan`, exact: true }).click();
  expect(state(page).view.roomId).toBe('room-2');
  expect(state(page).view.focus).toEqual({ kind: 'piece', material: 'flooring', id: piece.id });
  expect(await highlightedIds(page)).toEqual([piece.id]);
  await expect(page.getByRole('dialog')).toHaveCount(0);
  await expect(group.locator('.board-cut')).toHaveCount(sourcePieces.length);
  await page.reload();
  await expect(page.getByLabel('Find a cut or room', { exact: true })).toHaveValue('');
  await expect(page.locator('.plan-search-status')).toContainText(piece.id);
  await expect(done).toBeChecked();
  expect(await highlightedIds(page)).toEqual([piece.id]);
  await page.getByLabel('Room name', { exact: true }).fill('Office');
  await page.getByLabel('Room name', { exact: true }).blur();
  expect(state(page).project.completedBoards).toEqual([key]);
  await page.locator('.room-tab').first().click();
  expect(state(page).project.completedBoards).toEqual([key]);
  await page.getByRole('button', { name: 'Show all pieces', exact: true }).click();
  const skirtPiece = skirtingCuts(skirt).find((piece) => piece.roomId === 'room-1')!;
  const skirtKey = `skirting:${skirtPiece.stockId}`;
  await page
    .locator(`.stock-cut-group[data-board-key="${skirtKey}"]`)
    .getByRole('checkbox')
    .check();
  expect(state(page).project.completedBoards).toEqual([key, skirtKey]);
  await page
    .getByRole('group', { name: 'Plan view' })
    .getByRole('button', { name: 'Skirting', exact: true })
    .click();
  expect(await preview(page).locator('.skirt-piece[data-done="true"]').count()).toBeGreaterThan(0);
  await page.getByLabel('Board width', { exact: true }).fill('201');
  await page.getByLabel('Board width', { exact: true }).blur();
  expect(state(page).project.completedBoards).toEqual([]);
  await expect(preview(page).locator('[data-done="true"]')).toHaveCount(0);
});

test('the pinned plan makes active search obvious and can restore every piece', async ({
  page,
}) => {
  const allCuts = await floorEntries(page).count();
  await page.getByLabel('Find a cut or room', { exact: true }).fill('F1');
  await page.getByLabel('Find a cut or room', { exact: true }).blur();
  const banner = page.locator('.drawing-column .plan-search-status');
  await expect(banner).toContainText('Search active');
  await expect(banner).toContainText('F1');
  await expect(banner.getByRole('button', { name: 'Show all pieces', exact: true })).toBeVisible();
  expect(await highlightedIds(page, 'flooring')).toEqual(['F1']);
  await panel(page, 'cuts').locator('.panel-toggle').click();
  await page.evaluate(() => window.scrollTo(0, document.documentElement.scrollHeight));
  const bounds = (await banner.boundingBox())!;
  expect(bounds.y).toBeGreaterThanOrEqual(0);
  expect(bounds.y + bounds.height).toBeLessThanOrEqual(page.viewportSize()!.height);
  await banner.getByRole('button', { name: 'Show all pieces', exact: true }).click();
  await expect(banner).toHaveCount(0);
  expect(state(page).view.search).toBe('');
  expect(await highlightedIds(page)).toEqual([]);
  await expect(preview(page).locator('.search-muted')).toHaveCount(0);
  await panel(page, 'cuts').locator('.panel-toggle').click();
  await expect(page.getByLabel('Find a cut or room', { exact: true })).toHaveValue('');
  await expect(floorEntries(page)).toHaveCount(allCuts);
  await noHorizontalOverflow(page);
});

test('cuts from one board share the available width and wrap on a narrow phone', async ({
  page,
  isMobile,
}) => {
  await page.setViewportSize({ width: isMobile ? 320 : 1600, height: 900 });
  await page.goto(`/${encodeState(sharedRoomFixture())}`);
  const group = page
    .locator('.flooring-cuts .stock-cut-group')
    .filter({ has: page.locator('.board-cut:nth-child(2)') })
    .first();
  const pieces = group.locator('.board-cut');
  await expect(group).toBeVisible();
  expect(await pieces.count()).toBeGreaterThan(1);
  const first = (await pieces.nth(0).boundingBox())!;
  const second = (await pieces.nth(1).boundingBox())!;
  if (isMobile) {
    expect(second.y).toBeGreaterThanOrEqual(first.y + first.height);
    expect(second.x).toBeCloseTo(first.x, 1);
  } else {
    expect(second.y).toBeCloseTo(first.y, 1);
    expect(second.x).toBeGreaterThanOrEqual(first.x + first.width);
  }
  await noHorizontalOverflow(page);
  await noVisibleStockIds(page);
});

test('locate and complete a whole board without inventing a cut code', async ({ page }) => {
  const { floor } = plans(page);
  const whole = floor.pieces.find((piece) => !piece.cut && !piece.reused)!;
  expect(whole).toBeDefined();
  const search = page.getByLabel('Find a cut or room', { exact: true });
  await search.fill('Living room');
  const group = page.locator(`.stock-cut-group[data-board-key="floor:${whole.stockId}"]`);
  await expect(group).toContainText('Installed uncut');
  await group.getByRole('button', { name: 'Show uncut floorboard on plan', exact: true }).click();
  await expect(search).toHaveValue('');
  await expect(page.locator('.plan-search-status')).toContainText('Uncut floorboard');
  await noVisibleStockIds(page);
  await expect(group.locator('.board-cut')).toHaveCount(0);
  await expect(group.getByRole('button', { name: /^Preview/ })).toHaveCount(0);
  expect(await highlightedIds(page)).toEqual([whole.id]);
  await expect(preview(page).locator(`.floor-piece[data-piece-id="${whole.id}"] text`)).toHaveCount(
    0,
  );
  await group.getByRole('checkbox', { name: 'Mark uncut floorboard done', exact: true }).check();
  await expect(preview(page).locator(`.floor-piece[data-piece-id="${whole.id}"]`)).toHaveAttribute(
    'data-done',
    'true',
  );
  await search.fill('nothing matches this room');
  await search.blur();
  await expect(page.locator('.search-results')).toHaveText('No matching boards or cuts.');
  expect(await highlightedIds(page)).toEqual([]);
  expect(state(page).project.completedBoards).toEqual([`floor:${whole.stockId}`]);
});

for (const width of [320, 390]) {
  test(`phone layout works at ${width} px with readable inputs and touch targets`, async ({
    page,
  }) => {
    await page.setViewportSize({ width, height: 844 });
    await openWalls(page);
    await page.getByText('Advanced flooring settings', { exact: true }).click();
    await page.getByRole('button', { name: 'What is saw kerf?', exact: true }).click();
    await noHorizontalOverflow(page);
    await expect(page.getByRole('tooltip')).toBeVisible();
    const smallControls = await page
      .locator('button, input, select, summary')
      .evaluateAll((elements) =>
        elements.flatMap((element) => {
          const target =
            element instanceof HTMLInputElement && element.type === 'checkbox'
              ? (element.closest('label') ?? element)
              : element;
          const rect = target.getBoundingClientRect();
          return rect.width > 0 && rect.height > 0 && (rect.width < 39.5 || rect.height < 39.5)
            ? [
                {
                  label: element.getAttribute('aria-label') || element.textContent?.trim(),
                  width: rect.width,
                  height: rect.height,
                },
              ]
            : [];
        }),
      );
    expect(smallControls, 'Every visible form control should have a usable touch target').toEqual(
      [],
    );
    const smallInputs = await page
      .locator('input:not([type="checkbox"]), select')
      .evaluateAll((elements) =>
        elements
          .filter(
            (element) =>
              element.getBoundingClientRect().height > 0 &&
              parseFloat(getComputedStyle(element).fontSize) < 16,
          )
          .map((element) => element.getAttribute('aria-label') || element.id),
      );
    expect(smallInputs, '16 px input text avoids phone browser zoom').toEqual([]);
    expect(
      await floorEntries(page)
        .first()
        .evaluate((element) => getComputedStyle(element).display),
    ).toMatch(/block|grid|flex/);
    await page.getByRole('button', { name: 'With fireplace' }).click();
    await noWallLabelOverlap(page);
    await noDrawingScroll(page);
    await skirtCodes(page).first().click();
    const dialog = page.getByRole('dialog');
    await expect(dialog).toBeVisible();
    const box = await dialog.boundingBox();
    expect(box!.x).toBeGreaterThanOrEqual(0);
    expect(box!.y).toBeGreaterThanOrEqual(0);
    expect(box!.x + box!.width).toBeLessThanOrEqual(width);
    expect(box!.y + box!.height).toBeLessThanOrEqual(844);
    await noHorizontalOverflow(page);
    await page.mouse.click(1, 1);
    await expect(page.getByRole('dialog')).toHaveCount(0);
    expect(state(page).view.selectedPiece).toBeNull();
    await expect(page.getByText('Source lengths for skirting cuts', { exact: true })).toHaveCount(
      0,
    );
    await noHorizontalOverflow(page);
  });
}

test('material-qualified selections disambiguate flooring and sixth-room skirting F1', async ({
  page,
}) => {
  const fixture = defaultState();
  fixture.project.rooms = Array.from({ length: 6 }, (_, i) =>
    rectangle(`room-${i + 1}`, `Room ${i + 1}`, 2400, 2400),
  );
  fixture.view.roomId = 'room-6';
  fixture.view.material = 'skirting';
  await page.goto(`/${encodeState(fixture)}`);
  await preview(page).getByRole('button', { name: 'Select skirting cut F1', exact: true }).click();
  const dialog = page.getByRole('dialog');
  await expect(dialog).toHaveAccessibleName('Skirting cut F1');
  await expect(dialog).toContainText('Room 6');
  await expect(dialog.locator('.flooring-preview')).toHaveCount(0);
  expect(state(page).view.selectedPiece).toBe('skirting:F1');
  await page.reload();
  await expect(dialog).toHaveAccessibleName('Skirting cut F1');
  await page.keyboard.press('Escape');
  await page.getByRole('button', { name: 'Preview flooring cut F1', exact: true }).click();
  await expect(dialog).toHaveAccessibleName('Flooring cut F1');
  await expect(dialog).toContainText('Room 1');
  await expect(dialog.locator('.skirting-full-preview')).toHaveCount(0);
  expect(state(page).view.selectedPiece).toBe('flooring:F1');
});

test('native print events build current sheets synchronously and release them afterward', async ({
  page,
}) => {
  await expect(page.locator('.print-plan')).toHaveCount(0);
  await page.getByLabel('Room name', { exact: true }).fill('Print this room');
  const printed = await page.evaluate(() => {
    window.dispatchEvent(new Event('beforeprint'));
    return document.querySelector('.print-plan')?.textContent;
  });
  expect(printed).toContain('Print this room');
  expect(printed).toContain('Flooring cuts');
  expect(printed).toContain('Skirting cuts');
  await page.evaluate(() => window.dispatchEvent(new Event('afterprint')));
  await expect(page.locator('.print-plan')).toHaveCount(0);
});