Commit inicial con archivos existentes

assets/js/translate_frontend.js

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+document.addEventListener('DOMContentLoaded', () => {
+    const languageSelector = document.getElementById('language-selector');
+    const currentLang = localStorage.getItem('appLang') || 'es'; // Default to Spanish
+
+    const translatableElements = document.querySelectorAll('[data-translate="true"]');
+
+    // Function to translate text
+    async function translateText(text, sourceLang, targetLang) {
+        try {
+            const response = await fetch('/translate_proxy.php', {
+                method: 'POST',
+                headers: {
+                    'Content-Type': 'application/json',
+                },
+                body: JSON.stringify({
+                    action: 'translate',
+                    text: text,
+                    source: sourceLang,
+                    target: targetLang
+                }),
+            });
+            const data = await response.json();
+            if (response.ok) {
+                return data.translatedText; // LibreTranslate returns { translatedText: "..." }
+            } else {
+                console.error('Error translating:', data.error);
+                return text; // Return original text on error
+            }
+        } catch (error) {
+            console.error('Network error during translation:', error);
+            return text; // Return original text on network error
+        }
+    }
+
+    async function applyTranslation(targetLang) {
+        for (const element of translatableElements) {
+            const originalText = element.dataset.originalText || element.textContent;
+            if (!element.dataset.originalText) {
+                element.dataset.originalText = originalText;
+            }
+
+            const icon = element.querySelector('i.bi');
+            const textToTranslate = originalText.trim();
+
+            let newText;
+            if (targetLang === 'es') {
+                newText = textToTranslate;
+            } else {
+                newText = await translateText(textToTranslate, 'es', targetLang);
+            }
+
+            if (icon) {
+                element.textContent = ' ' + newText;
+                element.insertAdjacentHTML('afterbegin', icon.outerHTML);
+            } else {
+                element.textContent = newText;
+            }
+        }
+        localStorage.setItem('appLang', targetLang);
+        if (languageSelector) {
+            languageSelector.value = targetLang;
+        }
+    }
+
+    // Function to fetch and populate languages
+    async function fetchAndPopulateLanguages() {
+        try {
+            const response = await fetch('/translate_proxy.php?action=languages'); // Assuming translate_proxy.php can handle a 'languages' action
+            const languages = await response.json();
+            if (response.ok && Array.isArray(languages)) {
+                languageSelector.innerHTML = ''; // Clear existing options
+                languages.forEach(lang => {
+                    const option = document.createElement('option');
+                    option.value = lang.code;
+                    option.textContent = `${lang.flag_emoji} ${lang.name}`;
+                    languageSelector.appendChild(option);
+                });
+                // Set the selector to the current language
+                languageSelector.value = currentLang;
+            } else {
+                console.error('Error fetching languages:', languages.error || 'Unknown error');
+                // Fallback to default options if fetching fails
+                languageSelector.innerHTML = `
+                    <option value="es">🇪🇸 Español</option>
+                    <option value="en">🇬🇧 English</option>
+                    <option value="pt">🇧🇷 Português</option>
+                `;
+                languageSelector.value = currentLang;
+            }
+        } catch (error) {
+            console.error('Network error fetching languages:', error);
+            // Fallback to default options if network error
+            languageSelector.innerHTML = `
+                <option value="es">🇪🇸 Español</option>
+                <option value="en">🇬🇧 English</option>
+                <option value="pt">🇧🇷 Português</option>
+            `;
+            languageSelector.value = currentLang;
+        }
+    }
+
+    // Initial application of language based on stored preference
+    fetchAndPopulateLanguages().then(() => {
+        applyTranslation(currentLang);
+    });
+
+    // Event listener for the language selector
+    if (languageSelector) {
+        languageSelector.addEventListener('change', (event) => {
+            const newLang = event.target.value;
+            applyTranslation(newLang);
+        });
+    }
+});