import { expect, test, type Page } from "@playwright/test";
import path from "node:path";

const updateAuditEvidence = process.env.UPDATE_AUDIT_EVIDENCE === "1";

async function login(page: Page) {
  await page.goto("/login");
  await page.getByLabel("Email").fill("e2e@example.test");
  await page.getByLabel("Current password").fill("E2ePassword123!");
  await page.getByRole("button", { name: "Sign in", exact: true }).click();
  await expect(page).toHaveURL(/\/dashboard$/);
}

test("kanban columns use dark theme surfaces", async ({ page }) => {
  let moveRequests = 0;
  await page.addInitScript(() => {
    window.localStorage.setItem("uiLanguage", "en");
    window.localStorage.setItem("themeMode:anon", "dark");
  });
  await page.route("**/api/jobapplications/board", async (route) => {
    await route.fulfill({ json: [{
      id: 71,
      jobTitle: "Synthetic platform engineer",
      companyId: 1,
      company: { id: 1, name: "Synthetic AS" },
      status: "Saved",
      dateApplied: null,
      savedAt: "2026-08-10T10:00:00Z",
      daysSince: null,
      tags: "[\"C#\",\"Azure\"]",
    }, {
      id: 72,
      jobTitle: "Custom status role",
      companyId: 1,
      company: { id: 1, name: "Synthetic AS" },
      status: "Take-home assignment",
      dateApplied: "2026-08-09T10:00:00Z",
      savedAt: "2026-08-09T10:00:00Z",
      daysSince: 1,
    }] });
  });
  await page.route("**/api/jobapplications/71/status", async (route) => { moveRequests += 1; await route.fulfill({ json: {} }); });

  await login(page);
  await page.setViewportSize({ width: 1440, height: 900 });
  await page.goto("/kanban");
  await expect(page.getByText("Synthetic platform engineer")).toBeVisible();
  const column = page.getByText("Not Applied", { exact: true }).locator("xpath=ancestor::*[contains(@class,'MuiPaper-root')][1]");
  expect(await column.evaluate((element) => getComputedStyle(element).backgroundColor)).not.toBe("rgb(245, 242, 250)");
  if (updateAuditEvidence) await page.screenshot({ path: path.resolve("..", "docs", "audits", "evidence", "ux-003-kanban-dark-after.png"), fullPage: true });

  const card = page.getByText("Synthetic platform engineer", { exact: true }).locator("xpath=ancestor::*[contains(@class,'MuiCard-root')][1]");
  await card.focus();
  await page.keyboard.press("Space");
  await expect(card).toHaveAttribute("aria-pressed", "true");
  const active = page.getByRole("group", { name: "Active column" });
  await expect(active).toHaveAttribute("data-drop-state", "valid");
  await expect(page.getByRole("group", { name: "Other column, not a drop target" })).toHaveAttribute("aria-disabled", "true");
  await active.focus();
  await page.keyboard.press("Enter");
  await expect.poll(() => moveRequests).toBe(1);
  await expect(page.getByText("Job moved to Applied.")).toBeAttached();

  await page.setViewportSize({ width: 768, height: 900 });
  await page.evaluate(() => (document.activeElement as HTMLElement | null)?.blur());
  const overflow = await page.evaluate(() => ({
    documentWidth: document.documentElement.scrollWidth,
    viewportWidth: window.innerWidth,
    offenders: Array.from(document.querySelectorAll("*")).map((element) => {
      const rect = element.getBoundingClientRect();
      return { tag: element.tagName, className: element.className?.toString().slice(0, 80), left: rect.left, right: rect.right, width: rect.width };
    }).filter((element) => (element.right > window.innerWidth + 1 && element.right < window.innerWidth + 40) || element.left < -1).slice(0, 12),
  }));
  const pageScroll = await page.evaluate(() => {
    document.documentElement.scrollLeft = 999;
    const scrollLeft = document.documentElement.scrollLeft;
    document.documentElement.scrollLeft = 0;
    return scrollLeft;
  });
  expect(pageScroll, JSON.stringify(overflow)).toBe(0);
  await page.evaluate(() => {
    const userKey = window.localStorage.getItem("authUserKey") || "anon";
    window.localStorage.setItem(`themeMode:${userKey}`, "light");
  });
  await page.reload();
  await expect(page.locator("html")).toHaveAttribute("data-color-scheme", "light");
  const lightColumn = page.getByText("Not Applied", { exact: true }).locator("xpath=ancestor::*[contains(@class,'MuiPaper-root')][1]");
  expect(await lightColumn.evaluate((element) => getComputedStyle(element).backgroundColor)).toBe("rgb(245, 242, 250)");
  await page.setViewportSize({ width: 1440, height: 900 });
  const lightCard = page.getByText("Synthetic platform engineer", { exact: true }).locator("xpath=ancestor::*[contains(@class,'MuiCard-root')][1]");
  await lightCard.hover();
  expect(await lightCard.evaluate((element) => getComputedStyle(element).transform)).not.toBe("none");
  await lightCard.dragTo(page.getByRole("group", { name: "Active column" }));
  await expect.poll(() => moveRequests).toBe(2);

  await page.setViewportSize({ width: 375, height: 812 });
  const mobileScroll = await page.evaluate(() => {
    document.documentElement.scrollLeft = 999;
    const scrollLeft = document.documentElement.scrollLeft;
    document.documentElement.scrollLeft = 0;
    return scrollLeft;
  });
  expect(mobileScroll).toBe(0);
});