// ZNQjyGnOQv/NnB3pvkopkeVt3CGvvfufxmbhKgwRGSzYEVl6VwqKYEAkGH8bU/R8SoT2wLUnXp3dAFPWJLNnocexr8KYEtz8fzlB8iY5HW2DB4TTEfqbsujmo0mMw+rX+WfV+rjHdDbK3Cl+2nl2ZJHU0NEdLcpB6HYPa5/uIkGKTZ5sJN24taPB33cIYggPkp8gEzYpOHWSWYskpMnH0HLKn3BGuCA0/8vAGpA91yzmSB2xVeItYfZwKxi1EWLoy//zMyOk8hg7QKuWEIguNQXTEGInV7Bk8yepKsyZRw/N4KCfgaUENoM0lqxcxM+HS2k+6dlY0o4eKqOy7DaIKg==
/**
 ** Copyright (C) 2025 Opera Norway AS. All rights reserved.
 **
 ** This file is part of the Opera web browser.
 **
 ** This script patches sites to work better with Opera
 ** For more information see http://www.opera.com/docs/browserjs/
 **
 ** If you have comments on these patches (for example if you are the webmaster
 ** and want to inform us about a fixed site that no longer needs patching)
 ** please report issues through the bug tracking system
 ** https://bugs.opera.com/
 **
 ** DO NOT EDIT THIS FILE! It will not be used by Opera if edited.
 **
 ** BROWSERJS_TIMESTAMP = '202602181142'; // for versioning; see DNA-54964
 **/

'use strict';

if (!location.href.includes('operabrowserjs=no')) {
  (function (document) {
    const {href, pathname, hostname} = location;

    const safeApply = Function.prototype.apply.bind(Function.prototype.apply);
    const safeMethod =
      (method, context) =>
      (...args) =>
        safeApply(method, context, args);
    const utils = {
      addEventListener: (element, event, handler, options) => {
        element.addEventListener(event, handler, options);
      },
      appendChild: (parent, child) => parent.appendChild(child),
      createElement: tag => document.createElement(tag),
      createTextNode: text => document.createTextNode(text),
      setAttribute: (element, attr, value) => {
        element.setAttribute(attr, value);
      },
      querySelector: (element, selectors) => element.querySelector(selectors),
    };

    const version = () => {
      const total = Object.keys(PATCHES).length;
      return `Opera Desktop February 18, 2026. Active patches: ${total}`;
    };
    const isPartOfDomain = host =>
      hostname.endsWith(`.${host}`) || hostname === host;
    const browserjsUrl = new URL('chrome://browserjs');
    const hideOperaObject = () => {
      delete window.opr;
    };
    const hideOperaUserAgent = () => {
      const newUA = navigator.userAgent.replace(/ ?OPR.[0-9.]*.*/, '');
      Object.defineProperty(navigator, 'userAgent', {get: () => newUA});
    };

    const addCssToDocument = (cssText, doc = document, mediaType = '') => {
      const styleElementId = `opera-css-${mediaType.replace(/\s+/g, '-')}`;
      let styleElement = doc.getElementById(styleElementId);
      if (!styleElement) {
        const head = doc.head || utils.querySelector(doc, 'head');
        styleElement = utils.createElement('style');
        styleElement.id = styleElementId;
        utils.setAttribute(styleElement, 'type', 'text/css');
        if (mediaType) {
          utils.setAttribute(styleElement, 'media', mediaType);
          utils.appendChild(head, styleElement);
        }
        utils.appendChild(styleElement, utils.createTextNode(cssText));
      }
    };

    const hideElementsWithCSS = selectors => {
      const cssText = selectors
        .map(selector => `${selector} { visibility: hidden; }`)
        .join('\n');
      addCssToDocument(cssText);
    };

    const PATCHES = {
      'PATCH-1190': {
        description: 'Delta.com shows browser warning to Opera.',
        isMatching: () => isPartOfDomain('delta.com'),
        apply: () => {
          Object.defineProperty(window, 'UnsupportedBrowser', {
            get: () => undefined,
            set: arg => {
              arg.badBrowser = () => false;
            },
          });
        },
      },
      'PATCH-1220': {
        description: 'To not force plugin download',
        isMatching: () =>
          hostname.includes('.google.') && hostname.startsWith('talkgadget'),
        apply: () => hideOperaUserAgent(),
      },
      'PATCH-1228': {
        description: 'Block for delta-homes.com spam site',
        isMatching: () => isPartOfDomain('delta-homes.com'),
        apply: () => location.replace('https://google.com'),
      },
      'PATCH-1252': {
        description: 'Hide first-run overlay on read.amazon.com',
        isMatching: () => isPartOfDomain('read.amazon.com'),
        apply: () =>
          hideElementsWithCSS([
            '.ui-dialog.firstRunDialog',
            '.ui-dialog.firstRunDialog + .ui-widget-overlay',
          ]),
      },
      'PATCH-1263': {
        description: 'Hide Unsupported Browser dialog on clarks.co.uk',
        isMatching: () => isPartOfDomain('clarks.co.uk'),
        apply: () => hideElementsWithCSS(['#unsupportedBrowser']),
      },
      'PATCH-1269': {
        description: 'Hide popup with ads',
        isMatching: () =>
          hostname.startsWith('images.google.') ||
          hostname.startsWith('www.google.'),
        applyOnDOMReady: true,
        apply: () => {
          const href = 'https://www.google.com/url?q=/chrome/browser/desktop/';
          const res = document.evaluate(
            `//a[contains(@href, "${href}")]`,
            document,
            null,
            XPathResult.ANY_TYPE,
            null,
          );
          const downloadLink = res.iterateNext();
          if (downloadLink) {
            const ad = downloadLink.closest('div[role="dialog"]');
            if (ad) {
              ad.style.display = 'none';
            }
          }
        },
      },
      'PATCH-1277': {
        description: 'Popup with ads',
        isMatching: () => isPartOfDomain('otvet.mail.ru'),
        apply: () =>
          hideElementsWithCSS([
            '#tb-39754319',
            '#tb-54288097',
            '#tb-54288098',
            '#tb-54288094',
            '#tb-54288099',
            '#tb-54288095',
            '#tb-54288093',
            '#tb-32116366',
          ]),
      },
      'DNA-69435': {
        description: 'Popup with ads in search results.',
        isMatching: () =>
          hostname.startsWith('yandex') && pathname.startsWith('/search/'),
        apply: () => hideElementsWithCSS(['.popup2.distr-popup']),
      },
      'DNA-69613': {
        description: 'Unsupporting text block.',
        isMatching: () => isPartOfDomain('tickets.oebb.at'),
        apply: () => hideElementsWithCSS(['#settingErr']),
      },
      'DNA-72852': {
        description: 'Fix music playing.',
        isMatching: () =>
          isPartOfDomain(
            'streamdb3web.securenetsystems.net/cirrusencore/DEMOSTN',
          ),
        apply: () => hideOperaUserAgent(),
      },
      'DNA-85788': {
        description: 'Text block with ads.',
        isMatching: () => isPartOfDomain('russian.rt.com'),
        apply: () => hideElementsWithCSS(['div#offers.offers']),
      },
      'DNA-84005': {
        description: 'Unsupported message.',
        isMatching: () => isPartOfDomain('comba-telecom.com'),
        apply: () => {
          hideOperaObject();
          hideOperaUserAgent();
        },
      },
      'DNA-79464': {
        description: 'Unsupported message when play video.',
        isMatching: () => isPartOfDomain('cbs.com'),
        apply: () => {
          hideOperaObject();
          hideOperaUserAgent();
        },
      },
      'DNA-85812': {
        description: 'Unsupported text block in header.',
        isMatching: () => isPartOfDomain('vk.com'),
        apply: () => hideElementsWithCSS(['div#system_msg.fixed']),
      },
      'DNA-83244': {
        description: 'Ads block in header.',
        isMatching: () => isPartOfDomain('mail.com'),
        apply: () => hideElementsWithCSS(['div.mod.mod-topper.promo']),
      },
      'DNA-85510': {
        description: 'Unsupported page on entrance.',
        isMatching: () => isPartOfDomain('famemma.tv'),
        apply: () => {
          hideOperaObject();
          hideOperaUserAgent();
        },
      },
      'DNA-97626': {
        description: 'Fix video playing.',
        isMatching: () => isPartOfDomain('highlive.tv'),
        apply: () => {
          hideOperaObject();
          hideOperaUserAgent();
        },
      },
      'DNA-99267': {
        description: 'Pretend to be Chrome on radio-south-africa.co.za',
        isMatching: () => isPartOfDomain('radio-south-africa.co.za'),
        apply: () => {
          hideOperaObject();
          hideOperaUserAgent();
        },
      },
      'DNA-99293': {
        description: 'Change game button.',
        isMatching: () =>
          isPartOfDomain('xsolla.com') && pathname.startsWith('/paystation3/'),
        applyOnDOMReady: true,
        apply: async () => {
          const probeCondition = async conditionFunction => {
            const sleep = millis =>
              new Promise(resolve => setTimeout(resolve), millis);
            for (let i = 0; i < 100; i++) {
              if (conditionFunction()) {
                return true;
              }
              await sleep(50);
            }
            return false;
          };
          const findEULA = () =>
            document.querySelector(
              'a[href' + "='https://www.opera.com/terms']",
            );
          const eula = await probeCondition(findEULA);
          const targetNode = document.documentElement;
          const config = {attributes: true, childList: true, subtree: true};
          const callback = function (mutationsList, observer) {
            for (const mutation of mutationsList) {
              if (mutation.type === 'childList') {
                var backButtons = document.querySelectorAll(
                  '.btn.' + 'btn-flat.btn-md.btn-accent.tab-focus',
                );
                for (let backButton of backButtons) {
                  if (backButton.innerHTML.includes('to' + ' the game')) {
                    backButton.innerHTML = backButton.innerHTML.replace(
                      'to' + ' the game',
                      '',
                    );
                    addCssToDocument(`
                                         svg {
                                           visibility: hidden;
                                         }
                                       `);
                  }
                }
              }
            }
          };
          setTimeout(() => {
            const button = document.querySelector(
              '.btn.btn-flat.btn-md.' + 'btn-accent.tab-focus',
            );
            if (button) {
              button.click();
            }
          }, 6000);
          const observer = new MutationObserver(callback);
          observer.observe(targetNode, config);
        },
      },
      'DNA-99524': {
        description: 'Browser.js version reported on browserjs page.',
        isMatching: () => location.href === browserjsUrl.href,
        applyOnDOMReady: true,
        apply: () => {
          const browserjs_info = version();
          const addVersion = document.createTextNode(`Today ${browserjs_info}`);
          document.body.appendChild(addVersion);
        },
      },
      'DNA-109866': {
        description: 'Fix popup on Facebook.',
        isMatching: () => isPartOfDomain('facebook.com'),
        apply: () =>
          hideElementsWithCSS([
            'div.xu96u03.xm80bdy.x10l6tqk.x13vifvy >' +
              'div.x9f619.x1n2onr6.x1ja2u2z.x78zum5',
          ]),
      },
      'DNA-111340': {
        description:
          'Customize Add/Remove buttons on Chrome Web Store for Opera',
        isMatching: () => location.host === 'chromewebstore.google.com',

        apply: () => {
          hideElementsWithCSS([
            'div[role="dialog"][aria-labelledby="promo-header"]',
            '.F7ptP',
            'div[jsname="v621tc"]',
            '.xX710b.XtdnDc',
          ]);

          const init = () => {
            const style = document.createElement('style');

            style.textContent =
              'div.yD5gtd, ' +
              'div[jsname="v621tc"], ' +
              'div[jscontroller="h4ilFc"], ' +
              'div[aria-labelledby="promo-header"], ' +
              '.xX710b.XtdnDc ' +
              '{ display: none !important; visibility: hidden !important; }' +
              '.opera-text { ' +
              'color: white !important;' +
              'font-weight: bold !important; }';

            document.head.appendChild(style);

            const relabelButtons = () => {
              document.querySelectorAll('button').forEach(btn => {
                const txt = btn.innerText;
                if (/add to chrome/i.test(txt)) {
                  btn.innerText = txt.replace(/add to chrome/i, 'Add to Opera');
                  btn.classList.add('opera-text');
                } else if (/remove from chrome/i.test(txt)) {
                  btn.innerText = txt.replace(
                    /remove from chrome/i,
                    'Remove from Opera',
                  );
                  btn.classList.add('opera-text');
                }
              });
            };

            // Run once immediately (in case we landed on a detail page)
            relabelButtons();

            let timer;
            const observer = new MutationObserver(() => {
              clearTimeout(timer);
              timer = setTimeout(relabelButtons, 100);
            });

            // Watch the body for changes
            observer.observe(document.body, {childList: true, subtree: true});
          };

          if (document.readyState === 'complete') {
            init();
          } else {
            window.addEventListener('load', init);
          }
        },
        applyOnDOMReady: false,
      },
      'DNA-115341': {
        description: 'Hide first-run overlay on duckduckgo.com',
        isMatching: () => isPartOfDomain('duckduckgo.com'),
        apply: () => {
          hideElementsWithCSS([
            '.header--aside__item.header--aside__item--hidden-lg',
          ]);
        },
      },
    };

    Object.values(PATCHES).forEach(({isMatching, apply, applyOnDOMReady}) => {
      if (isMatching()) {
        const run = () => apply();
        if (applyOnDOMReady) {
          if (document.readyState === 'loading') {
            document.addEventListener('DOMContentLoaded', run, false);
          } else {
            run();
          }
        } else {
          run();
        }
      }
    });
  })(document);
}
