Widget:Droflax

<script>

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   function onReady(fn) {
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       fn();
     } else {
       document.addEventListener('DOMContentLoaded', fn);
     }
   }

   onReady(function () {
     const langs = ['pt', 'en', 'es', 'pl'];
     const langFlags = {
       pt: 'https://upload.wikimedia.org/wikipedia/en/0/05/Flag_of_Brazil.svg',
       en: 'https://upload.wikimedia.org/wikipedia/en/a/a4/Flag_of_the_United_States.svg',
       es: 'https://upload.wikimedia.org/wikipedia/en/9/9a/Flag_of_Spain.svg',
       pl: 'https://upload.wikimedia.org/wikipedia/en/1/12/Flag_of_Poland.svg'
     };

     const pathParts = decodeURIComponent(window.location.pathname).split('/index.php/')[1].split('/');
     const possibleLang = pathParts[pathParts.length - 1];
     const currentLang = langs.includes(possibleLang) ? possibleLang : 'pt';
     const baseTitle = langs.includes(possibleLang) ? pathParts.slice(0, -1).join('/') : pathParts.join('/');

     const preferedLang = localStorage.getItem('preferedLang');
     const alreadyInLang = currentLang === preferedLang;
     const redirected = sessionStorage.getItem('langRedirectDone');

     const shouldForce = preferedLang && preferedLang !== 'pt' && (!langs.includes(possibleLang) || currentLang !== preferedLang);
     if (shouldForce && !redirected) {
       const targetTitle = baseTitle + '/' + preferedLang;
       const targetUrl = '/index.php/' + targetTitle.split('/').map(encodeURIComponent).join('/');

       fetch(targetUrl, { method: 'HEAD' }).then(response => {
         sessionStorage.setItem('langRedirectDone', '1');
         if (response.ok) {
           window.location.href = targetUrl;
         } else {
           const fallbackUrl = '/index.php/' + baseTitle.split('/').map(encodeURIComponent).join('/');
           if (window.location.pathname !== fallbackUrl) {
             window.location.href = fallbackUrl;
           }
         }
       }).catch(() => {
         sessionStorage.setItem('langRedirectDone', '1');
         const fallbackUrl = '/index.php/' + baseTitle.split('/').map(encodeURIComponent).join('/');
         if (window.location.pathname !== fallbackUrl) {
           window.location.href = fallbackUrl;
         }
       });

       return;

     }

     // Contenedor de banderas
     var container = document.createElement('div');
     container.className = 'language-buttons';
     container.style.position = 'absolute';
     container.style.top = '1px';
     container.style.right = '438px';
     container.style.display = 'flex';
     container.style.padding = '6px 10px';
     container.style.gap = '8px';
     container.style.zIndex = '999';

     langs.forEach(function (lang) {
       var pageTitle = baseTitle + (lang === 'pt' ?  : '/' + lang);
       var fullUrl = '/index.php/' + pageTitle.split('/').map(encodeURIComponent).join('/')

       var link = document.createElement('a');
       link.href = '#';
       link.title = lang.toUpperCase();

       link.addEventListener('click', function (e) {
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         fetch(fullUrl, { method: 'HEAD' }).then(response => {
           if (response.ok) {
             localStorage.setItem('preferedLang', lang);
             sessionStorage.setItem('langRedirectDone', '1');
             window.location.href = fullUrl;
           } else {
             sessionStorage.setItem('langRedirectDone', '1');

             const langNames = { es: 'Español', en: 'English', pl: 'Polski' };
             const msgTranslations = {
               es: 'La versión en {lang} no está disponible.',
               en: 'The {lang} version is not available.',
               pl: 'Wersja w języku {lang} jest niedostępna.',
               pt: 'A versão em {lang} não está disponível.'
             };

             if (lang !== 'pt') {
               const userLang = (navigator.language || 'en').substring(0, 2);
               const messageTemplate = msgTranslations[userLang] || msgTranslations['en'];
               const langLabel = langNames[lang] || lang;
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               msg.textContent = messageTemplate.replace('{lang}', langLabel);
               msg.style.position = 'fixed';
               msg.style.top = '20px';
               msg.style.left = '50%';
               msg.style.transform = 'translateX(-50%)';
               msg.style.background = '#ffdddd';
               msg.style.color = '#a00';
               msg.style.padding = '12px 24px';
               msg.style.border = '1px solid #a00';
               msg.style.borderRadius = '8px';
               msg.style.fontSize = '16px';
               msg.style.zIndex = '1000';
               msg.style.boxShadow = '0 0 6px rgba(0,0,0,0.2)';
               msg.style.opacity = '0';
               msg.style.transition = 'opacity 0.3s ease';
               document.body.appendChild(msg);
               setTimeout(() => { msg.style.opacity = '1'; }, 10);
               setTimeout(() => {
                 msg.style.opacity = '0';
                 setTimeout(() => {
                   msg.remove();
                   window.location.href = '/index.php/' + encodeURIComponent(baseTitle);
                 }, 500);
               }, 3000);
             } else {
               window.location.href = '/index.php/' + encodeURIComponent(baseTitle);
             }
           }
         }).catch(() => {
           sessionStorage.setItem('langRedirectDone', '1');
           window.location.href = '/index.php/' + encodeURIComponent(baseTitle);
         });
       });

       var img = document.createElement('img');
       img.src = langFlags[lang];
       img.style.width = '32px';
       img.style.height = '24px';
       img.style.borderRadius = '6px';
       img.style.border = (lang === currentLang) ? '2px solid #333' : '1px solid #ccc';
       img.style.transition = 'transform 0.2s ease';
       img.style.objectFit = 'cover';
       img.style.cursor = 'pointer';

       img.addEventListener('mouseenter', function () {
         img.style.transform = 'scale(1.1)';
         img.style.borderColor = '#888';
       });
       img.addEventListener('mouseleave', function () {
         img.style.transform = 'scale(1)';
         img.style.borderColor = (lang === currentLang) ? '#333' : '#ccc';
       });

       link.appendChild(img);
       container.appendChild(link);
     });

     document.body.appendChild(container);
   });
 })();

</script>