import AxeBuilder from "@axe-core/playwright";
import { expect, test } from "@playwright/test";

for (const path of [
  "/", "/records", "/report", "/rules", "/privacy",
  "/admin", "/admin/moderation", "/admin/external-sources", "/admin/media",
]) {
  test(`${path} has no serious accessibility violations`, async ({ page }) => {
    await page.goto(path);
    const results = await new AxeBuilder({ page }).withTags(["wcag2a", "wcag2aa", "wcag21aa"]).analyze();
    expect(results.violations.filter(item => ["critical", "serious"].includes(item.impact ?? ""))).toEqual([]);
  });
}

test("admin keyboard navigation keeps focus out of the document body", async ({ page }) => {
  await page.goto("/admin");
  await page.keyboard.press("Tab");
  await expect(page.locator(".skip-link")).toBeFocused();

  const focusedLabels: string[] = [];
  for (let index = 0; index < 20; index += 1) {
    await page.keyboard.press("Tab");
    focusedLabels.push(await page.evaluate(() => {
      const active = document.activeElement;
      if (active?.tagName === "BODY") return "BODY";
      if (active?.matches(".admin-login input")) return "ADMIN_TOKEN_INPUT";
      if (active?.matches(".admin-login button")) return "ADMIN_PANEL_BUTTON";
      return (active?.getAttribute("aria-label") || active?.textContent || active?.tagName || "").trim().slice(0, 80);
    }));
  }

  expect(focusedLabels).not.toContain("BODY");
  expect(focusedLabels).toContain("ADMIN_TOKEN_INPUT");
  expect(focusedLabels).toContain("ADMIN_PANEL_BUTTON");
});

test("print media keeps a light color scheme and removes hero image filters", async ({ page }) => {
  await page.emulateMedia({ media: "print" });
  await page.goto("/");
  const printState = await page.evaluate(() => ({
    colorScheme: getComputedStyle(document.documentElement).colorScheme,
    heroFilter: document.querySelector(".lake-card img") ? getComputedStyle(document.querySelector(".lake-card img")!).filter : "none",
  }));
  expect(printState.colorScheme).toBe("light");
  expect(printState.heroFilter).toBe("none");
});

test("forced colors keeps theme controls visibly bordered", async ({ page }) => {
  await page.emulateMedia({ forcedColors: "active" });
  await page.goto("/admin");
  const forcedColorsState = await page.evaluate(() => {
    const control = document.querySelector(".theme-switcher button");
    const pressed = document.querySelector(".theme-switcher button[aria-pressed='true']");
    return {
      borderStyle: control ? getComputedStyle(control).borderStyle : "",
      borderWidth: control ? getComputedStyle(control).borderWidth : "",
      activeBackground: pressed ? getComputedStyle(pressed).backgroundColor : "",
    };
  });
  expect(forcedColorsState.borderStyle).toBe("solid");
  expect(forcedColorsState.borderWidth).toBe("1px");
  expect(forcedColorsState.activeBackground).not.toBe("transparent");
});