import { test as base, expect, type Page } from '@playwright/test';
import fs from 'node:fs';
import path from 'node:path';
import { fileURLToPath } from 'node:url';

const __dirname = path.dirname(fileURLToPath(import.meta.url));

export interface AuthCreds {
  account: string;
  password: string;
}

export const DEFAULT_CREDS: AuthCreds = {
  account: process.env.AIDOP_E2E_ACCOUNT ?? 'superAdmin.NET',
  password: process.env.AIDOP_E2E_PASSWORD ?? '1234567890dop',
};

export const STORAGE_STATE_PATH = path.resolve(
  __dirname,
  '../.auth/storage-state.json',
);

async function selectFirstTenantIfPresent(page: Page): Promise<void> {
  const tenantSelect = page.locator('.login-content-form .el-select').first();
  const visible = await tenantSelect.isVisible().catch(() => false);
  if (!visible) return;
  const wrapper = tenantSelect.locator('.el-select__wrapper').first();
  await wrapper.click({ force: true });
  const option = page
    .locator('.el-select-dropdown:visible .el-select-dropdown__item:not(.is-disabled)')
    .first();
  await expect(option).toBeVisible({ timeout: 15000 });
  await option.click();
}

/**
 * Drive the login page end-to-end. Leaves `page` on /#/dashboard/home with a valid session.
 * Does NOT navigate further — callers decide where to go next.
 */
export async function performLogin(page: Page, creds: AuthCreds = DEFAULT_CREDS): Promise<void> {
  await page.goto('/', { waitUntil: 'domcontentloaded', timeout: 60000 });
  await page.waitForLoadState('networkidle', { timeout: 60000 }).catch(() => {});

  const loginButton = page.getByRole('button', { name: '登 录' });
  await expect(loginButton).toBeVisible({ timeout: 30000 });

  await page.getByPlaceholder('请输入账号').fill(creds.account);
  await page.getByPlaceholder('请输入密码').fill(creds.password);
  await selectFirstTenantIfPresent(page);

  const loginRespPromise = page
    .waitForResponse(
      (r) => r.url().includes('/api/sysAuth/login') && r.request().method() === 'POST',
      { timeout: 30000 },
    )
    .catch(() => null);

  await loginButton.click();

  const rotateVerifyVisible = await page
    .locator('.el-dialog')
    .filter({ hasText: '请按住滑块拖动' })
    .isVisible()
    .catch(() => false);
  if (rotateVerifyVisible) {
    throw new Error('登录触发了旋转验证，fixture 未处理该交互');
  }

  const loginResp = await loginRespPromise;
  if (!loginResp) {
    throw new Error('点击登录后 30s 内未捕获到 /api/sysAuth/login');
  }
  if (loginResp.status() !== 200) {
    throw new Error(`登录失败，HTTP ${loginResp.status()}: ${await loginResp.text()}`);
  }

  await page.waitForURL(/#\/(dashboard|)/, { timeout: 30000 }).catch(() => {});
  await page.waitForLoadState('networkidle', { timeout: 60000 }).catch(() => {});
}

/**
 * Ensure storageState file exists. If not, drive a real browser login once and persist it.
 * Called by global-setup; tests themselves just consume `authedPage`.
 */
export async function ensureStorageState(
  browserFactory: () => Promise<import('@playwright/test').Browser>,
): Promise<string> {
  if (fs.existsSync(STORAGE_STATE_PATH)) {
    return STORAGE_STATE_PATH;
  }
  fs.mkdirSync(path.dirname(STORAGE_STATE_PATH), { recursive: true });
  const browser = await browserFactory();
  try {
    const ctx = await browser.newContext({ baseURL: 'http://localhost:8888' });
    const page = await ctx.newPage();
    await performLogin(page);
    await ctx.storageState({ path: STORAGE_STATE_PATH });
    await ctx.close();
  } finally {
    await browser.close();
  }
  return STORAGE_STATE_PATH;
}

type AuthFixtures = {
  authedPage: Page;
};

/**
 * `test` extended with an `authedPage` fixture. `authedPage` is a page that has been
 * navigated to '/' under the shared storageState — the session has already been hydrated.
 */
export const test = base.extend<AuthFixtures>({
  authedPage: async ({ page }, use) => {
    // storageState is applied at project level via playwright.config.ts.
    await page.goto('/', { waitUntil: 'domcontentloaded', timeout: 60000 });
    await page.waitForLoadState('networkidle', { timeout: 30000 }).catch(() => {});
    // If storageState expired and we land on /#/login, re-login inline to self-heal.
    if (/\/#\/login/.test(page.url())) {
      await performLogin(page);
    }
    await use(page);
  },
});

export { expect };