const { chromium } = require('@playwright/test');
const fs = require('fs');
const path = require('path');

const TEST_EMAIL = process.env.TEST_EMAIL || 'lars@stommer.com';
const TEST_PASSWORD = process.env.TEST_PASSWORD || '5112';
const AUTH_FILE = path.join(__dirname, '.auth', 'user.json');

async function tryLogin(page, baseURL) {
  await page.goto(`${baseURL}/`);
  await page.waitForLoadState('networkidle');

  const loginBtn = page.locator('button:has-text("Anmelden")');
  if ((await loginBtn.count()) === 0) {
    return { ok: true, status: 200 };
  }

  await page.fill('input[type="email"]', TEST_EMAIL);
  await page.fill('input[type="password"]', TEST_PASSWORD);

  const responsePromise = page
    .waitForResponse(
      (r) => r.url().includes('/api/auth/login') && r.request().method() === 'POST',
      { timeout: 15000 }
    )
    .catch(() => null);

  await page.click('button:has-text("Anmelden")');
  const response = await responsePromise;
  await page.waitForLoadState('networkidle');

  const loginVisible = await page.locator('button:has-text("Anmelden")').count();
  return { ok: loginVisible === 0, status: response?.status() ?? null };
}

module.exports = async (config) => {
  fs.mkdirSync(path.dirname(AUTH_FILE), { recursive: true });

  const browser = await chromium.launch({ channel: 'chrome', headless: true });
  const page = await browser.newPage();
  const baseURL = config.projects?.[0]?.use?.baseURL || 'https://dev.mitai.jinkendo.de';

  const waits = [0, 15000, 30000, 45000];
  let lastStatus = null;

  for (let i = 0; i < waits.length; i++) {
    if (waits[i] > 0) {
      console.log(`Global setup: warte ${waits[i] / 1000}s (Login-Rate-Limit 5/min)…`);
      await page.waitForTimeout(waits[i]);
    }
    const result = await tryLogin(page, baseURL);
    lastStatus = result.status;
    if (result.ok) {
      await page.context().storageState({ path: AUTH_FILE });
      await browser.close();
      return;
    }
  }

  await browser.close();
  throw new Error(
    `Global setup: Login fehlgeschlagen (letzter HTTP-Status: ${lastStatus ?? 'unbekannt'})`
  );
};