import { expect, test, type APIRequestContext } from "@playwright/test";

async function resetDemoData(request: APIRequestContext) {
  await request.post("/api/v1/demo/login", { data: { role: "operations_manager" } });
  await request.post("/api/v1/demo/reset");
}

// This file's assertions were authored against the English UI copy; nl-BE is now the
// app's default for a fresh session, so force English explicitly rather than rewriting
// every assertion (the equivalent Dutch/French coverage lives in the i18n-specific specs).
test.beforeEach(async ({ page, request }) => {
  await resetDemoData(request);
  await page.addInitScript(() => localStorage.setItem("fleetops.language", "en-GB"));
  await page.goto("/login");
  await page.getByRole("button", { name: "Explore as Operations Manager" }).click();
  await expect(page).toHaveURL(/\/dashboard$/);
});

test("control-centre shell exposes landmarks, persisted readiness and active navigation", async ({ page }) => {
  await expect(page.getByRole("navigation", { name: "Primary navigation" })).toBeVisible();
  await expect(page.getByRole("main")).toBeVisible();
  await expect(page.getByRole("heading", { name: "Fleet readiness" })).toBeVisible();
  await expect(page.locator(".metric-cell dd").first()).not.toHaveText("");
  await expect(page.getByRole("link", { name: "Overview" }).first()).toHaveAttribute("aria-current", "page");
});

test("global search supports its keyboard shortcut and finds a vehicle by reference", async ({ page }) => {
  const search = page.getByRole("combobox", { name: "Search Fleet Ops" });
  await expect(async () => {
    await page.keyboard.press("Control+k");
    await expect(search).toBeFocused();
  }).toPass({ timeout: 5_000 });
  await search.fill("MO-024");
  const result = page.getByRole("option", { name: /MO-024/ });
  await expect(result).toBeVisible();
  await result.click();
  await expect(page).toHaveURL(/\/vehicles\/MO-024$/);
  await expect(page.getByRole("heading", { name: "MO-024" })).toBeVisible();
});

test("global search supports arrow-key navigation and Enter to select", async ({ page }) => {
  const search = page.getByRole("combobox", { name: "Search Fleet Ops" });
  await search.fill("fleet");
  await expect(page.getByRole("option", { name: /Fleet/ })).toBeVisible();
  await search.press("ArrowDown");
  await search.press("Enter");
  await expect(page).toHaveURL(/\/vehicles$/);
});

test("global search shows a no-results state and closes on Escape", async ({ page }) => {
  const search = page.getByRole("combobox", { name: "Search Fleet Ops" });
  await search.fill("zzz-nothing-matches-zzz");
  await expect(page.getByText(/No matches for/)).toBeVisible();
  await search.press("Escape");
  await expect(page.getByRole("listbox")).not.toBeVisible();
});

test("global search finds a booking and a data-quality issue by reference", async ({ page }) => {
  const search = page.getByRole("combobox", { name: "Search Fleet Ops" });
  await search.fill("BK-DEMO-RETURN");
  const bookingResult = page.getByRole("option", { name: /BK-DEMO-RETURN/ });
  await expect(bookingResult).toBeVisible();
  await bookingResult.click();
  await expect(page).toHaveURL(/\/bookings\/BK-DEMO-RETURN$/);

  await search.fill("DQ-DEMO-OVERLAP");
  const issueResult = page.getByRole("option", { name: /DQ-DEMO-OVERLAP/ });
  await expect(issueResult).toBeVisible();
  await issueResult.click();
  await expect(page).toHaveURL(/\/data-quality\/DQ-DEMO-OVERLAP$/);
});

test("return review separates capture from irreversible commit", async ({ page }) => {
  await page.goto("/bookings/BK-DEMO-RETURN");
  await page.getByLabel("End odometer (km)").fill("60000");
  await page.getByLabel("Fuel level (%)").fill("65");

  let commitRequests = 0;
  let previewRequests = 0;
  page.on("request", (request) => {
    if (request.method() !== "POST") return;
    if (request.url().endsWith("/return-preview")) previewRequests += 1;
    else if (request.url().endsWith("/return")) commitRequests += 1;
  });

  await page.getByRole("button", { name: "Review return" }).click();
  await expect(page.getByText(/Expected fleet state/)).toBeVisible();
  expect(commitRequests).toBe(0);
  // The review step is server-evaluated (not client-guessed), so exactly one non-mutating
  // preview call is expected before any commit.
  expect(previewRequests).toBe(1);
  await expect(page.getByText("Queue automation after the local commit")).toBeVisible();

  await page.getByRole("button", { name: "Edit details" }).click();
  await expect(page.getByLabel("End odometer (km)")).toHaveValue("60000");
});

for (const width of [390, 768, 1280, 1440]) {
  test(`responsive shell has no horizontal overflow at ${width}px`, async ({ page }) => {
    await page.setViewportSize({ width, height: width < 700 ? 844 : 900 });
    await page.goto("/dashboard");
    await expect(page.getByRole("heading", { name: "Attention queue" })).toBeVisible();
    const dimensions = await page.evaluate(() => ({ scroll: document.documentElement.scrollWidth, client: document.documentElement.clientWidth }));
    expect(dimensions.scroll).toBeLessThanOrEqual(dimensions.client + 1);
    if (width < 960) await expect(page.getByRole("navigation", { name: "Mobile navigation" })).toBeVisible();
  });
}