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

export const TEST_ADMIN = {
  username: process.env.TEST_ADMIN_USER ?? "admin",
  password: process.env.TEST_ADMIN_PASS ?? "testpassword123",
};

/**
 * Log in via the UI login form and wait for the dashboard to load.
 */
export async function loginViaUI(page: Page): Promise<void> {
  await page.goto("/login");
  await page.getByLabel(/username/i).fill(TEST_ADMIN.username);
  await page.getByLabel(/password/i).fill(TEST_ADMIN.password);
  await page.getByRole("button", { name: /log in|sign in/i }).click();
  await expect(page).toHaveURL(/\/dashboard/);
}

/**
 * Log in via the admin API directly and store the token in localStorage.
 * Faster than UI login for tests that only need an authenticated session.
 */
export async function loginViaAPI(
  page: Page,
  request: APIRequestContext,
): Promise<string> {
  const resp = await request.post("/admin/auth/login", {
    data: { username: TEST_ADMIN.username, password: TEST_ADMIN.password },
  });
  expect(resp.status()).toBe(200);
  const body = await resp.json();
  expect(body).toHaveProperty("token");

  await page.goto("/");
  await page.evaluate(
    ({ token }) => localStorage.setItem("admin_token", token),
    { token: body.token as string },
  );
  return body.token as string;
}

/**
 * Log out via the UI and confirm redirect to /login.
 */
export async function logoutViaUI(page: Page): Promise<void> {
  // Common patterns: a "Logout" button in the nav/header
  const logoutBtn = page
    .getByRole("button", { name: /log ?out|sign ?out/i })
    .or(page.getByRole("link", { name: /log ?out|sign ?out/i }));
  await logoutBtn.click();
  await expect(page).toHaveURL(/\/login/);
}