import AxeBuilder from "@axe-core/playwright";
import { expect, test, type APIRequestContext, type Page, type TestInfo } from "@playwright/test";
import { translations } from "../src/i18n/translations";

const apiUrl = "http://localhost:5302/api";
const password = "E2ePassword123!";

async function login(api: APIRequestContext, email: string) {
  expect((await api.post(`${apiUrl}/auth/login`, { data: { email, password } })).status()).toBe(200);
  const me = await (await api.get(`${apiUrl}/auth/me`)).json();
  const csrf = (await api.storageState()).cookies.find(cookie => cookie.name === "XSRF-TOKEN")!.value;
  return { "X-CSRF-TOKEN": csrf, "X-Session-Context": me.sessionContext as string };
}

async function capture(page: Page, info: TestInfo, name: string) {
  const path = info.outputPath(`${name}.png`);
  await page.screenshot({ path, fullPage: false });
  await info.attach(name, { path, contentType: "image/png" });
}

async function scan(page: Page, info: TestInfo, name: string) {
  const result = await new AxeBuilder({ page }).withTags(["wcag2a", "wcag2aa", "wcag21a", "wcag21aa"]).analyze();
  await info.attach(`${name}-axe`, { body: JSON.stringify({ violations: result.violations, incomplete: result.incomplete }), contentType: "application/json" });
  expect(result.violations).toEqual([]);
}

test("[PRES-J07 J05 W01 W02 E07 E08 E09] Board query membership matches Table and preserves moves, focus and route", async ({ page, playwright, context }, info) => {
  test.setTimeout(240_000);
  const admin = await playwright.request.newContext();
  const ids: number[] = [];
  let headers: Record<string, string>;
  try {
    const adminHeaders = await login(admin, "e2e@example.test");
    const email = `p504a-${Date.now()}-${Math.random().toString(36).slice(2)}@example.test`;
    expect((await admin.post(`${apiUrl}/users`, { headers: adminHeaders, data: { email, password, roles: [] } })).status()).toBe(200);
    headers = await login(page.request, email);
    await context.route("**/*", route => {
      const url = new URL(route.request().url());
      return ["localhost", "127.0.0.1"].includes(url.hostname) || ["data:", "blob:", "about:"].includes(url.protocol) ? route.continue() : route.abort();
    });
    const company = await page.request.post(`${apiUrl}/companies`, { headers, data: { name: "Nordlys æøå AS", location: "Tromsø" } });
    expect(company.status()).toBe(201);
    const companyId = (await company.json()).id;
    for (let index = 0; index < 27; index++) {
      const result = await page.request.post(`${apiUrl}/jobapplications`, { headers, data: {
        companyId,
        jobTitle: index === 0 ? "Seniorrådgiver for plattformutvikling og digitale fellestjenester" : `Board ${String(index).padStart(2, "0")} Engineer`,
        status: index === 1 ? "Offer" : index === 2 ? "Take-home assignment" : "Saved",
        location: "Tromsø / hjemmekontor",
        dateApplied: "2026-08-01",
        deadline: "2026-10-15",
      } });
      expect(result.status()).toBe(201);
      ids.push((await result.json()).id);
    }

    await page.setViewportSize({ width: 1440, height: 900 });
    // Native API membership, not just visible counts. Board uses one complete read; only this
    // regression test enumerates Table pages to compare the full logical population.
    for (const query of ['', 'q=Board', 'status=Saved', 'status=Take-home%20assignment', 'q=Board&status=Saved', 'q=absent', `companyId=${companyId}&location=Troms%C3%B8&sortBy=jobTitle&sortDir=asc`]) {
      const boardResponse = await page.request.get(`${apiUrl}/jobapplications/board?${query}`);
      expect(boardResponse.status()).toBe(200);
      const board = await boardResponse.json();
      const tableIds: number[] = [];
      let total = 0;
      for (let number = 1; ; number++) {
        const response = await page.request.get(`${apiUrl}/jobapplications?${query}&page=${number}&pageSize=15`);
        expect(response.status()).toBe(200);
        const data = await response.json();
        total = data.total;
        tableIds.push(...data.items.map((item: { id: number }) => item.id));
        if (tableIds.length >= total) break;
      }
      expect(board.map((item: { id: number }) => item.id).sort((a: number, b: number) => a - b)).toEqual([...tableIds].sort((a, b) => a - b));
      expect(board.length).toBe(total);
      expect(tableIds.every(id => ids.includes(id))).toBe(true);
    }
    await page.goto("/kanban?q=Board&status=Saved");
    await expect(page.locator('[data-kanban-card-id]')).toHaveCount(24);
    await capture(page, info, "board-filtered-query-light-en");
    await page.getByRole('link', { name: 'Table', exact: true }).click();
    await expect(page).toHaveURL(url => url.pathname === '/jobs' && url.search === '?q=Board&status=Saved&view=table');
    await expect(page.locator('[data-job-row-id]')).toHaveCount(15);
    const visibleIds = await page.locator('[data-job-row-id]').evaluateAll(rows => rows.map(row => Number(row.getAttribute('data-job-row-id'))));
    expect(visibleIds.every(id => ids.slice(3).includes(id))).toBe(true);
    await page.goBack();
    await expect(page.locator('[data-kanban-card-id]')).toHaveCount(24);
    await page.goForward();
    await expect(page.locator('[data-job-row-id]')).toHaveCount(15);
    await page.getByRole('button', { name: 'Go to next page' }).click();
    await expect(page.locator('[data-job-row-id]')).toHaveCount(9);
    const secondPageIds = await page.locator('[data-job-row-id]').evaluateAll(rows => rows.map(row => row.getAttribute('data-job-row-id')));
    const viewReads: string[] = [];
    const recordRead = (request: import('@playwright/test').Request) => {
      if (request.method() === 'GET' && /^\/api\/jobapplications(?:\/board)?$/.test(new URL(request.url()).pathname)) viewReads.push(new URL(request.url()).pathname);
    };
    page.on('request', recordRead);
    const boardSwitch = page.getByRole('link', { name: 'Board', exact: true });
    await boardSwitch.focus(); await page.keyboard.press('Enter');
    await expect(page.locator('[data-kanban-card-id]')).toHaveCount(24);
    await expect(boardSwitch).toBeFocused();
    await expect(boardSwitch).toHaveAttribute('aria-current', 'page');
    expect(viewReads).toEqual(['/api/jobapplications/board']);
    expect((await page.locator('[data-kanban-card-id]').evaluateAll(cards => cards.map(card => Number(card.getAttribute('data-kanban-card-id')))))).toEqual(expect.arrayContaining(ids.slice(3)));
    await capture(page, info, 'integrated-filtered-board-keyboard');
    await page.getByRole('link', { name: 'Table', exact: true }).click();
    await expect(page.locator('[data-job-row-id]')).toHaveCount(9);
    expect(await page.locator('[data-job-row-id]').evaluateAll(rows => rows.map(row => row.getAttribute('data-job-row-id')))).toEqual(secondPageIds);
    expect(viewReads).toEqual(['/api/jobapplications/board', '/api/jobapplications']);
    page.off('request', recordRead);
    await capture(page, info, 'integrated-filtered-table-page-two');
    await page.goBack();
    await expect(page.locator('[data-kanban-card-id]')).toHaveCount(24);
    const filteredControl = page.locator(`[data-kanban-card-id="${ids[4]}"] [role="button"]`);
    await filteredControl.focus(); await page.keyboard.press('Space');
    await page.getByRole('group', { name: 'Active column' }).focus(); await page.keyboard.press('Enter');
    await expect(page.locator('[data-kanban-card-id]')).toHaveCount(23);
    await expect(page.locator(`[data-kanban-card-id="${ids[4]}"]`)).toHaveCount(0);
    await expect(page.getByRole('group', { name: 'Not Applied column' })).toBeFocused();
    expect((await page.request.patch(`${apiUrl}/jobapplications/${ids[4]}/status`, { headers, data: { status: 'Saved' } })).status()).toBe(204);
    await page.goto('/kanban?q=absent');
    await expect(page.locator('[data-kanban-card-id]')).toHaveCount(0);
    await expect(page.getByText('No jobs in this group yet.')).toHaveCount(3);
    await capture(page, info, 'board-zero-query-light-en');
    await page.getByRole('link', { name: 'Table', exact: true }).click();
    await expect(page.getByText('No jobs found.')).toBeVisible();
    await expect(page.locator('[data-job-row-id]')).toHaveCount(0);
    await page.getByRole('link', { name: 'Board', exact: true }).click();
    await expect(page.getByText('No jobs in this group yet.')).toHaveCount(3);

    await page.goto('/jobs?q=Board&status=Take-home%20assignment&view=table');
    await expect(page.locator('[data-job-row-id]')).toHaveCount(1);
    await expect(page.locator(`[data-job-row-id="${ids[2]}"]`)).toBeVisible();
    await page.getByRole('link', { name: 'Board', exact: true }).click();
    await expect(page.locator('[data-kanban-card-id]')).toHaveCount(1);
    await expect(page.locator(`[data-kanban-card-id="${ids[2]}"]`)).toBeVisible();
    await capture(page, info, 'integrated-custom-status-board');

    await page.goto("/kanban?source=board");
    const cards = page.locator("[data-kanban-card-id]");
    await expect(cards).toHaveCount(27);
    expect(new URL(page.url()).search).toBe("?source=board&view=board");
    expect((await page.request.get(`${apiUrl}/jobapplications/board`)).status()).toBe(200);
    const tablePage = await (await page.request.get(`${apiUrl}/jobapplications?page=1&pageSize=15&q=Board`)).json();
    expect(tablePage.items.length).toBe(15);
    expect(tablePage.total).toBe(26);

    for (const mode of ["light", "dark"] as const) for (const language of ["en", "nb"] as const) {
      const t = translations[language];
      expect((await page.request.put(`${apiUrl}/auth/preferences/language`, { headers, data: { language: language === "nb" ? "nb-NO" : "en" } })).status()).toBe(204);
      await page.evaluate(({ mode, language }) => { localStorage.setItem("jobtracker.themeMode", mode); localStorage.setItem("uiLanguage", language); }, { mode, language });
      await page.reload();
      await expect(page.locator("html")).toHaveAttribute("data-color-scheme", mode);
      await expect(cards).toHaveCount(27);
      await expect(page.getByRole("group", { name: t.kanbanColumnLabel.replace("{label}", t.pipelineGroupNotApplied) })).toBeVisible();
      await expect(page.getByRole("group", { name: t.kanbanColumnNotDropTarget.replace("{label}", t.kanbanGroupOther) })).toBeVisible();
      await expect(page.getByRole("link", { name: t.jobsTableView, exact: true })).toHaveAttribute("href", "/jobs?source=board&view=table");
      await capture(page, info, `board-desktop-${mode}-${language}`);
      await page.getByRole("link", { name: t.jobsTableView, exact: true }).click();
      await expect(page.locator('[data-job-row-id]')).toHaveCount(15);
      await capture(page, info, `integrated-table-desktop-${mode}-${language}`);
      await page.getByRole("link", { name: t.jobsBoardView, exact: true }).click();
      await expect(cards).toHaveCount(27);
      await page.setViewportSize({ width: 390, height: 844 });
      await expect(page.getByRole("group", { name: t.kanbanColumnLabel.replace("{label}", t.pipelineGroupNotApplied) })).toBeVisible();
      await capture(page, info, `board-phone-${mode}-${language}`);
      await page.getByRole("link", { name: t.jobsTableView, exact: true }).click();
      await expect(page.locator('[data-job-row-id]')).toHaveCount(15);
      await capture(page, info, `integrated-table-phone-${mode}-${language}`);
      await page.getByRole("link", { name: t.jobsBoardView, exact: true }).click();
      await expect(cards).toHaveCount(27);
      expect(await page.evaluate(() => document.documentElement.scrollWidth <= innerWidth + 1)).toBe(true);
      if (language === "en") await scan(page, info, `board-phone-${mode}`);
      await page.setViewportSize({ width: 1440, height: 900 });
    }

    await page.emulateMedia({ reducedMotion: "reduce" });
    await page.setViewportSize({ width: 1024, height: 900 });
    expect(await page.evaluate(() => document.documentElement.scrollWidth <= innerWidth + 1)).toBe(true);
    await page.setViewportSize({ width: 768, height: 900 });
    expect(await page.evaluate(() => document.documentElement.scrollWidth <= innerWidth + 1)).toBe(true);
    await page.setViewportSize({ width: 320, height: 720 });
    expect(await page.evaluate(() => document.documentElement.scrollWidth <= innerWidth + 1)).toBe(true);
    await capture(page, info, "board-phone-320-dark-nb");
    await page.setViewportSize({ width: 1440, height: 900 });

    const t = translations.nb;
    const saved = page.locator(`[data-kanban-card-id="${ids[0]}"]`);
    const savedControl = saved.locator('[role="button"]');
    const active = page.getByRole("group", { name: t.kanbanColumnLabel.replace("{label}", t.pipelineGroupActive) });
    const other = page.getByRole("group", { name: t.kanbanColumnNotDropTarget.replace("{label}", t.kanbanGroupOther) });
    await savedControl.focus();
    await page.keyboard.press("Space");
    await expect(savedControl).toHaveAttribute("aria-pressed", "true");
    await other.focus();
    await page.keyboard.press("Enter");
    await expect(other).toHaveAttribute("data-drop-state", "invalid");
    await page.keyboard.press("Escape");
    await expect(savedControl).toHaveAttribute("aria-pressed", "false");
    await savedControl.focus(); await page.keyboard.press("Space");
    await active.focus();
    await capture(page, info, "board-active-drop-dark-nb");
    const move = page.waitForResponse(response => response.url() === `${apiUrl}/jobapplications/${ids[0]}/status` && response.request().method() === "PATCH");
    await page.keyboard.press("Enter");
    expect((await move).status()).toBe(204);
    await expect(active.locator(`[data-kanban-card-id="${ids[0]}"] [role="button"]`)).toBeFocused();
    await capture(page, info, "board-keyboard-move-dark-nb");

    const pointerCard = page.locator(`[data-kanban-card-id="${ids[25]}"]`);
    const closed = page.getByRole("group", { name: t.kanbanColumnLabel.replace("{label}", t.pipelineGroupClosed) });
    await expect(pointerCard).toContainText("Board 25 Engineer");
    await page.evaluate(() => {
      window.addEventListener("dragstart", event => {
        (window as typeof window & { __boardDragSource?: string }).__boardDragSource =
          (event.target as HTMLElement).closest("[data-kanban-card-id]")?.getAttribute("data-kanban-card-id") ?? "";
      }, { capture: true, once: true });
    });
    const pointerMove = page.waitForResponse(response => response.url() === `${apiUrl}/jobapplications/${ids[25]}/status` && response.request().method() === "PATCH", { timeout: 15_000 });
    await pointerCard.dragTo(closed, { timeout: 15_000 });
    expect(await page.evaluate(() => (window as typeof window & { __boardDragSource?: string }).__boardDragSource)).toBe(String(ids[25]));
    expect((await pointerMove).status()).toBe(204);
    await expect(closed.locator(`[data-kanban-card-id="${ids[25]}"]`)).toBeVisible();
    await expect(closed.locator(`[data-kanban-card-id="${ids[25]}"] [role="button"]`)).toBeFocused();
    await capture(page, info, "board-pointer-move-dark-nb");

    const customCard = page.locator(`[data-kanban-card-id="${ids[2]}"]`);
    await expect(customCard.getByText("Take-home assignment", { exact: true })).toBeVisible();
    await customCard.getByRole("button", { name: `${t.jobTableQuickStatus}: Board 02 Engineer` }).click();
    const preciseMove = page.waitForResponse(response => response.url() === `${apiUrl}/jobapplications/${ids[2]}/status` && response.request().method() === "PATCH");
    await page.getByRole("menuitem", { name: t.jobTableSetStatus.replace("{status}", t.statusInterview) }).click();
    expect((await preciseMove).status()).toBe(204);
    await expect(active.locator(`[data-kanban-card-id="${ids[2]}"] [role="button"]`)).toBeFocused();
    await capture(page, info, "board-custom-status-dark-nb");

    await page.route(`**/api/jobapplications/${ids[4]}/status`, route => route.fulfill({ status: 503, json: { message: "Synthetic move failure" } }));
    const failed = page.locator(`[data-kanban-card-id="${ids[4]}"]`);
    await failed.getByRole("button", { name: `${t.jobTableQuickStatus}: Board 04 Engineer` }).click();
    await page.getByRole("menuitem", { name: t.jobTableSetStatus.replace("{status}", t.statusInterview) }).click();
    await expect(page.getByRole("alert").filter({ hasText: "Synthetic move failure" })).toBeVisible();
    await expect(page.getByRole("group", { name: t.kanbanColumnLabel.replace("{label}", t.pipelineGroupNotApplied) }).locator(`[data-kanban-card-id="${ids[4]}"]`)).toBeVisible();
    await capture(page, info, "board-failed-move-dark-nb");
    await page.unroute(`**/api/jobapplications/${ids[4]}/status`);

    await savedControl.focus();
    await page.keyboard.press("Enter");
    await expect(page).toHaveURL(new RegExp(`/jobs/${ids[0]}$`));
    await expect(page.getByRole("heading", { name: /Seniorrådgiver/ })).toBeVisible();
    await page.goBack();
    await expect(page).toHaveURL(url => url.pathname === "/jobs" && url.search === "?source=board&view=board");
    await expect(savedControl).toBeFocused();
  } finally {
    await admin.dispose();
  }
});

test("[PRES-J05 J07 E07 W01] legacy Board replaces history and preserves query, hash and route state; default Jobs stays Table", async ({ page }) => {
  await login(page.request, "e2e@example.test");
  await page.goto('/jobs?view=unknown&q=absent');
  await expect(page.getByRole('link', { name: 'Table', exact: true })).toHaveAttribute('aria-current', 'page');
  await expect(page.getByText('No jobs found.')).toBeVisible();
  await page.evaluate(() => history.pushState({ ...history.state, usr: { integrationSentinel: 'preserved' } }, '', '/kanban?q=absent&status=Custom+review&page=2&view=table#retained'));
  const length = await page.evaluate(() => history.length);
  await page.reload();
  await expect(page).toHaveURL(url => url.pathname === '/jobs' && url.searchParams.get('view') === 'board' && url.searchParams.get('status') === 'Custom review' && url.searchParams.get('q') === 'absent' && url.searchParams.get('page') === '2' && url.hash === '#retained');
  await expect(page.getByRole('link', { name: 'Board', exact: true })).toHaveAttribute('aria-current', 'page');
  expect(await page.evaluate(() => history.length)).toBe(length);
  expect(await page.evaluate(() => history.state.usr.integrationSentinel)).toBe('preserved');
  await page.goBack();
  await expect(page).toHaveURL(/\/jobs\?view=unknown&q=absent$/);
  await expect(page.getByRole('link', { name: 'Table', exact: true })).toHaveAttribute('aria-current', 'page');
});

test("[PRES-J07 E08] Board loading, retryable error and fully empty columns", async ({ page }, info) => {
  test.setTimeout(90_000);
  await page.goto("/login");
  await page.getByLabel("Email").fill("e2e@example.test");
  await page.getByLabel("Current password").fill(password);
  await page.getByRole("button", { name: "Sign in", exact: true }).click();
  await expect(page).toHaveURL(/\/dashboard$/);
  let release!: () => void;
  let state: "loading" | "error" | "empty" = "loading";
  await page.route("**/api/jobapplications/board?**", async route => {
    if (state === "loading") await new Promise<void>(resolve => { release = resolve; });
    if (state === "error") await route.fulfill({ status: 503, json: { message: "Synthetic board outage" } });
    else await route.fulfill({ json: [] });
  });
  await page.goto("/kanban", { waitUntil: "domcontentloaded" });
  // The shared workspace also has a lazy-renderer loading state. Wait for the actual read.
  await expect.poll(() => typeof release).toBe("function");
  await expect(page.getByRole("progressbar")).toBeVisible();
  await capture(page, info, "board-loading-light-en");
  state = "error"; release();
  await expect(page.getByText("Unable to load the kanban board")).toBeVisible();
  await capture(page, info, "board-error-light-en");
  state = "empty";
  await page.getByRole("button", { name: "Retry" }).click();
  await expect(page.getByText("No jobs in this group yet.")).toHaveCount(3);
  await capture(page, info, "board-empty-light-en");
  await scan(page, info, "board-empty-light-en");
});