import { chromium } from 'playwright'; // stealth plugin needs no outdated playwright-extra
import path from 'path';
import { dirs, stealth } from './util.js';

const debug = process.env.PWDEBUG == '1'; // runs headful and opens https://playwright.dev/docs/inspector
const show = process.argv.includes('show', 2);
const headless = !debug && !show;

// const URL_LOGIN = 'https://www.amazon.de/ap/signin'; // wrong. needs some session args to be valid?
const URL_CLAIM = 'https://gaming.amazon.com/home';
const TIMEOUT = 20 * 1000; // 20s, default is 30s

// https://playwright.dev/docs/auth#multi-factor-authentication
const context = await chromium.launchPersistentContext(dirs.browser, {
  // channel: 'chrome', // https://playwright.dev/docs/browsers#google-chrome--microsoft-edge, chrome will not work on arm64 linux, only chromium which is the default
  headless,
  viewport: { width: 1280, height: 1280 },
  locale: "en-US", // ignore OS locale to be sure to have english text for locators
});

// TODO test if needed
await stealth(context);

if (!debug) context.setDefaultTimeout(TIMEOUT);

// const page = /* context.pages().length ? context.pages[0] : */ await context.newPage();
const page = context.pages()[0];
console.log('userAgent:', await page.evaluate(() => navigator.userAgent));

const clickIfExists = async selector => {
  if (await page.locator(selector).count() > 0)
    await page.click(selector);
};

await page.goto(URL_CLAIM, {waitUntil: 'domcontentloaded'}); // default 'load' takes forever
// need to wait for some elements to exist before checking if signed in or accepting cookies:
await Promise.any(['button:has-text("Sign in")', '[data-a-target="user-dropdown-first-name-text"]'].map(s => page.waitForSelector(s)));
await clickIfExists('[aria-label="Cookies usage disclaimer banner"] button:has-text("Accept Cookies")'); // to not waste screen space in --debug
while (await page.locator('button:has-text("Sign in")').count() > 0) {
  console.error('Not signed in anymore.');
  if (headless) {
    console.log('Please run `node prime-gaming show` to login in the opened browser.');
    await context.close(); // not needed?
    process.exit(1);
  }
  await page.click('button:has-text("Sign in")');
  if (!debug) context.setDefaultTimeout(0); // give user time to log in without timeout
  await page.waitForNavigation({url: 'https://gaming.amazon.com/home?signedIn=true'});
  if (!debug) context.setDefaultTimeout(TIMEOUT);
}
console.log('Signed in.');
await page.click('button[data-type="Game"]');
const games_sel = 'div[data-a-target="offer-list-FGWP_FULL"]';
await page.waitForSelector(games_sel);
console.log('Number of already claimed games (total):', await page.locator(`${games_sel} p:has-text("Collected")`).count());
const game_sel = `${games_sel} [data-a-target="item-card"]:has-text("Claim game")`;
const n = await page.locator(game_sel).count();
console.log('Number of free unclaimed games (Prime Gaming):', n);
const games = await page.$$(game_sel);
// for (let i=1; i<=n; i++) {
for (const card of games) {
  // const card = page.locator(`:nth-match(${game_sel}, ${i})`); // this will reevaluate after games are claimed and index will be wrong
  // const title = await card.locator('h3').first().innerText();
  const title = await (await card.$('.item-card-details__body__primary')).innerText();
  console.log('Current free game:', title);
  await (await card.$('button:has-text("Claim game")')).click();
  // await page.pause();
}
// claim games in linked stores. Origin: key, Epic Games Store: linked
{
  const game_sel = `${games_sel} [data-a-target="item-card"]:has(p:text-is("Claim"))`;
  do {
    let n = await page.locator(game_sel).count();
    console.log('Number of free unclaimed games (external stores):', n);
    const card = await page.$(game_sel);
    if (!card) break;
    const title = await (await card.$('.item-card-details__body__primary')).innerText();
    console.log('Current free game:', title);
    await (await card.$('text=Claim')).click();
    // await page.waitForNavigation();
    await page.click('button:has-text("Claim now")'); // waits for navigation
    const store_text = await (await page.$('[data-a-target="hero-header-subtitle"]')).innerText();
    // FULL GAME FOR PC ON: GOG.COM, ORIGIN, LEGACY GAMES, EPIC GAMES
    const store = store_text.toLowerCase().replace('full game for pc on ', '');
    console.log('External store:', store);
    // save screenshot of potential code just in case
    const p = path.resolve(dirs.screenshots, `${title.replace(/[^a-z0-9]/gi, '_')}.png`);
    await page.screenshot({ path: p, fullPage: true });
    console.info('Saved a screenshot of page to', p);
    // print code if external store is not connected
    const redeem = {
      'origin': 'https://www.origin.com/redeem',
      'gog.com': 'https://www.gog.com/redeem',
      'legacy games': 'https://www.legacygames.com/primedeal',
    };
    if (store in redeem) {
      const code = await page.inputValue('input[type="text"]');
      console.log('Code to redeem game:', code);
      console.log('URL to redeem game:', redeem[store]);
    }
    // await page.pause();
    await page.goto(URL_CLAIM, {waitUntil: 'domcontentloaded'});
    await page.click('button[data-type="Game"]');
  } while (n);
}
await context.close();