const languages = {
    "auto": "Detect Language",
    "af": "Afrikaans",
    "sq": "Albanian",
    "am": "Amharic",
    "ar": "Arabic",
    "hy": "Armenian",
    "az": "Azerbaijani",
    "eu": "Basque",
    "bn": "Bengali",
    "be": "Belarusian",
    "bs": "Bosnian",
    "bg": "Bulgarian",
    "ca": "Catalan",
    "ceb": "Cebuano",
    "zh-CN": "Chinese (Simplified)",
    "zh-TW": "Chinese (Traditional)",
    "hr": "Croatian",
    "cs": "Czech",
    "da": "Danish",
    "nl": "Dutch",
    "en": "English",
    "eo": "Esperanto",
    "et": "Estonian",
    "tl": "Filipino",
    "fi": "Finnish",
    "fr": "French",
    "gl": "Galician",
    "ka": "Georgian",
    "de": "German",
    "el": "Greek",
    "gu": "Gujarati",
    "ht": "Haitian Creole",
    "ha": "Hausa",
    "he": "Hebrew",
    "hi": "Hindi",
    "hu": "Hungarian",
    "is": "Icelandic",
    "id": "Indonesian",
    "it": "Italian",
    "ja": "Japanese",
    "jw": "Javanese",
    "kn": "Kannada",
    "kk": "Kazakh",
    "km": "Khmer",
    "ko": "Korean",
    "ku": "Kurdish (Kurmanji)",
    "ky": "Kyrgyz",
    "lo": "Lao",
    "la": "Latin",
    "lv": "Latvian",
    "lt": "Lithuanian",
    "lb": "Luxembourgish",
    "mk": "Macedonian",
    "ms": "Malay",
    "ml": "Malayalam",
    "mt": "Maltese",
    "mi": "Maori",
    "mr": "Marathi",
    "mn": "Mongolian",
    "my": "Myanmar (Burmese)",
    "ne": "Nepali",
    "no": "Norwegian",
    "or": "Odia (Oriya)",
    "ps": "Pashto",
    "fa": "Persian",
    "pl": "Polish",
    "pt": "Portuguese",
    "pa": "Punjabi",
    "ro": "Romanian",
    "ru": "Russian",
    "sm": "Samoan",
    "gd": "Scots Gaelic",
    "sr": "Serbian",
    "st": "Sesotho",
    "sn": "Shona",
    "sd": "Sindhi",
    "si": "Sinhala",
    "sk": "Slovak",
    "sl": "Slovenian",
    "so": "Somali",
    "es": "Spanish",
    "su": "Sundanese",
    "sw": "Swahili",
    "sv": "Swedish",
    "tg": "Tajik",
    "ta": "Tamil",
    "te": "Telugu",
    "th": "Thai",
    "tr": "Turkish",
    "uk": "Ukrainian",
    "ur": "Urdu",
    "uz": "Uzbek",
    "vi": "Vietnamese",
    "cy": "Welsh",
    "xh": "Xhosa",
    "yi": "Yiddish",
    "yo": "Yoruba",
    "zu": "Zulu"
};

// Populate language dropdowns
const fromSelect = document.querySelector("#from");
const toSelect = document.querySelector("#to");

Object.entries(languages).forEach(([code, name]) => {
    const optionFrom = document.createElement("option");
    optionFrom.value = code;
    optionFrom.textContent = name;
    fromSelect.appendChild(optionFrom);

    const optionTo = document.createElement("option");
    optionTo.value = code;
    optionTo.textContent = name;
    toSelect.appendChild(optionTo);
});

// Set default values
fromSelect.value = "auto";  // Auto-detect
toSelect.value = "vi";  // Default to Vietnamese

// Translation Function
document.querySelector("#translate").addEventListener("click", () => {
    const text = document.querySelector("#text").value;
    const fromLang = fromSelect.value;
    const toLang = toSelect.value;
    const resultDiv = document.querySelector("#result");

    if (!text) {
        resultDiv.textContent = "Please enter text to translate.";
        return;
    }

    const url = `https://translate.googleapis.com/translate_a/single?client=gtx&sl=${fromLang}&tl=${toLang}&dt=t&q=${encodeURIComponent(text)}`;

    fetch(url)
        .then(response => response.json())
        .then(data => {
            resultDiv.textContent = data[0].map(item => item[0]).join(" ");
        })
        .catch(error => {
            resultDiv.textContent = "Error: " + error.message;
        });
});