import { Page } from "@playwright/test";

/**
 * Auth helpers for e2e tests.
 */

const API_URL = process.env.NEXT_PUBLIC_API_URL || "http://localhost:8000";

export { API_URL };

export function getRequiredEnv(name: string): string {
  const value = process.env[name];
  if (!value) {
    throw new Error(`Required environment variable ${name} is not set.`);
  }
  return value;
}

export const REGULAR_USER = {
  email: getRequiredEnv("DEV_USER_EMAIL"),
  password: getRequiredEnv("DEV_USER_PASSWORD"),
};

export const ADMIN_USER = {
  email: getRequiredEnv("DEV_ADMIN_EMAIL"),
  password: getRequiredEnv("DEV_ADMIN_PASSWORD"),
};

export async function clearAuth(page: Page) {
  await page.context().clearCookies();
}

export async function setEnglishLanguage(page: Page) {
  // Set English language in localStorage
  await page.evaluate(() => {
    window.localStorage.setItem("arbret-locale", "en");
  });
}

export async function loginUser(page: Page, email: string, password: string) {
  await page.goto("/login");
  // Set language after navigation to ensure localStorage is available
  await setEnglishLanguage(page);
  // Reload to apply language setting
  await page.reload();
  await page.fill('input[type="email"]', email);
  await page.fill('input[type="password"]', password);
  await page.click('button[type="submit"]');
  await page.waitForURL((url) => !url.pathname.includes("/login"), { timeout: 10000 });
  // Set language again after navigation to new page
  await setEnglishLanguage(page);
}