script.js

"use strict";

const DEFAULT_LANGUAGE = "en";
const RTL_LANGUAGES = new Set(["ar", "fa", "ur"]);

const LANGUAGES = [
    { code: "en", name: "English", nativeName: "English" },
    { code: "zh-Hans", name: "Chinese Simplified", nativeName: "简体中文" },
    { code: "zh-Hant", name: "Chinese Traditional", nativeName: "繁體中文" },
    { code: "es", name: "Spanish", nativeName: "Español" },
    { code: "fr", name: "French", nativeName: "Français" },
    { code: "de", name: "German", nativeName: "Deutsch" },
    { code: "pt", name: "Portuguese", nativeName: "Português" },
    { code: "ru", name: "Russian", nativeName: "Русский" },
    { code: "ja", name: "Japanese", nativeName: "日本語" },
    { code: "ko", name: "Korean", nativeName: "한국어" },
    { code: "ar", name: "Arabic", nativeName: "العربية" },
    { code: "hi", name: "Hindi", nativeName: "हिन्दी" },
    { code: "bn", name: "Bengali", nativeName: "বাংলা" },
    { code: "id", name: "Indonesian", nativeName: "Bahasa Indonesia" },
    { code: "tr", name: "Turkish", nativeName: "Türkçe" },
    { code: "it", name: "Italian", nativeName: "Italiano" },
    { code: "vi", name: "Vietnamese", nativeName: "Tiếng Việt" },
    { code: "th", name: "Thai", nativeName: "ไทย" },
    { code: "nl", name: "Dutch", nativeName: "Nederlands" },
    { code: "pl", name: "Polish", nativeName: "Polski" },
    { code: "uk", name: "Ukrainian", nativeName: "Українська" },
    { code: "fa", name: "Persian", nativeName: "فارسی" },
    { code: "ur", name: "Urdu", nativeName: "اردو" },
    { code: "ms", name: "Malay", nativeName: "Bahasa Melayu" },
    { code: "sw", name: "Swahili", nativeName: "Kiswahili" }
];

const translations = {
    en: {
        documentTitle: "2json - CSV to JSON Converter",
        appTitle: "2json",
        appSubtitle: "Convert CSV files to clean JSON in your browser.",
        languageLabel: "Language",
        inputTitle: "Input CSV",
        inputHelp: "Upload a file or paste CSV text.",
        uploadLabel: "CSV file",
        pasteLabel: "CSV text",
        pastePlaceholder: "Paste CSV content here...",
        optionsTitle: "Options",
        delimiterLabel: "Delimiter",
        delimiterAuto: "Auto detect",
        delimiterComma: "Comma",
        delimiterSemicolon: "Semicolon",
        delimiterTab: "Tab",
        delimiterPipe: "Pipe",
        encodingLabel: "File encoding",
        shapeLabel: "JSON shape",
        shapeObjects: "Objects from header row",
        shapeArrays: "Arrays of rows",
        formatLabel: "Formatting",
        pretty: "Pretty",
        compact: "Compact",
        trimLabel: "Trim leading and trailing spaces",
        emptyAsNullLabel: "Convert empty cells to null",
        skipEmptyRowsLabel: "Skip empty rows",
        convert: "Convert",
        copy: "Copy",
        download: "Download",
        clear: "Clear",
        sample: "Sample",
        outputTitle: "JSON output",
        outputPlaceholder: "Converted JSON will appear here.",
        rowsMetric: "rows",
        columnsMetric: "columns",
        statusReady: "Ready.",
        statusConverted: "Converted {rows} rows and {columns} columns.",
        statusCopied: "Copied to clipboard.",
        statusDownloaded: "Downloaded result.json.",
        statusCleared: "Cleared.",
        statusSample: "Sample CSV loaded.",
        fileSelected: "Selected file: {name}",
        errorNoInput: "Upload a CSV file or paste CSV text first.",
        errorNeedData: "CSV needs a header row and at least one data row.",
        errorEncoding: "This browser cannot decode {encoding}. Try UTF-8 or another encoding.",
        errorClipboard: "Copy failed. Select the output and copy it manually.",
        errorNothingToCopy: "There is no JSON to copy yet.",
        errorNothingToDownload: "There is no JSON to download yet."
    },
    "zh-Hans": {
        documentTitle: "CSV 转 JSON 转换器",
        appTitle: "2json",
        appSubtitle: "在浏览器中把 CSV 文件转换为整洁的 JSON。",
        languageLabel: "语言",
        inputTitle: "输入 CSV",
        inputHelp: "上传文件或粘贴 CSV 文本。",
        uploadLabel: "CSV 文件",
        pasteLabel: "CSV 文本",
        pastePlaceholder: "在此粘贴 CSV 内容...",
        optionsTitle: "选项",
        delimiterLabel: "分隔符",
        delimiterAuto: "自动检测",
        delimiterComma: "逗号",
        delimiterSemicolon: "分号",
        delimiterTab: "制表符",
        delimiterPipe: "竖线",
        encodingLabel: "文件编码",
        shapeLabel: "JSON 结构",
        shapeObjects: "使用表头生成对象",
        shapeArrays: "按行生成数组",
        formatLabel: "格式",
        pretty: "美化",
        compact: "紧凑",
        trimLabel: "去除首尾空格",
        emptyAsNullLabel: "空单元格转为 null",
        skipEmptyRowsLabel: "跳过空行",
        convert: "转换",
        copy: "复制",
        download: "下载",
        clear: "清空",
        sample: "示例",
        outputTitle: "JSON 输出",
        outputPlaceholder: "转换后的 JSON 会显示在这里。",
        rowsMetric: "行",
        columnsMetric: "列",
        statusReady: "就绪。",
        statusConverted: "已转换 {rows} 行、{columns} 列。",
        statusCopied: "已复制到剪贴板。",
        statusDownloaded: "已下载 result.json。",
        statusCleared: "已清空。",
        statusSample: "已载入示例 CSV。",
        fileSelected: "已选择文件：{name}",
        errorNoInput: "请先上传 CSV 文件或粘贴 CSV 文本。",
        errorNeedData: "CSV 需要表头和至少一行数据。",
        errorEncoding: "此浏览器无法解码 {encoding}。请尝试 UTF-8 或其他编码。",
        errorClipboard: "复制失败。请选中输出内容后手动复制。",
        errorNothingToCopy: "还没有可复制的 JSON。",
        errorNothingToDownload: "还没有可下载的 JSON。"
    },
    "zh-Hant": {
        documentTitle: "CSV 轉 JSON 轉換器",
        appTitle: "2json",
        appSubtitle: "在瀏覽器中將 CSV 檔案轉成整潔的 JSON。",
        languageLabel: "語言",
        inputTitle: "輸入 CSV",
        inputHelp: "上傳檔案或貼上 CSV 文字。",
        uploadLabel: "CSV 檔案",
        pasteLabel: "CSV 文字",
        pastePlaceholder: "在此貼上 CSV 內容...",
        optionsTitle: "選項",
        delimiterLabel: "分隔符",
        delimiterAuto: "自動偵測",
        delimiterComma: "逗號",
        delimiterSemicolon: "分號",
        delimiterTab: "定位字元",
        delimiterPipe: "直線",
        encodingLabel: "檔案編碼",
        shapeLabel: "JSON 結構",
        shapeObjects: "使用標題列產生物件",
        shapeArrays: "按列產生陣列",
        formatLabel: "格式",
        pretty: "美化",
        compact: "緊湊",
        trimLabel: "移除前後空白",
        emptyAsNullLabel: "空儲存格轉為 null",
        skipEmptyRowsLabel: "略過空列",
        convert: "轉換",
        copy: "複製",
        download: "下載",
        clear: "清除",
        sample: "範例",
        outputTitle: "JSON 輸出",
        outputPlaceholder: "轉換後的 JSON 會顯示在這裡。",
        rowsMetric: "列",
        columnsMetric: "欄",
        statusReady: "就緒。",
        statusConverted: "已轉換 {rows} 列、{columns} 欄。",
        statusCopied: "已複製到剪貼簿。",
        statusDownloaded: "已下載 result.json。",
        statusCleared: "已清除。",
        statusSample: "已載入範例 CSV。",
        fileSelected: "已選擇檔案：{name}",
        errorNoInput: "請先上傳 CSV 檔案或貼上 CSV 文字。",
        errorNeedData: "CSV 需要標題列和至少一列資料。",
        errorEncoding: "此瀏覽器無法解碼 {encoding}。請嘗試 UTF-8 或其他編碼。",
        errorClipboard: "複製失敗。請選取輸出內容後手動複製。",
        errorNothingToCopy: "尚無可複製的 JSON。",
        errorNothingToDownload: "尚無可下載的 JSON。"
    },
    es: {
        documentTitle: "Convertidor de CSV a JSON",
        appTitle: "2json",
        appSubtitle: "Convierte archivos CSV en JSON limpio desde el navegador.",
        languageLabel: "Idioma",
        inputTitle: "CSV de entrada",
        inputHelp: "Sube un archivo o pega texto CSV.",
        uploadLabel: "Archivo CSV",
        pasteLabel: "Texto CSV",
        pastePlaceholder: "Pega el contenido CSV aquí...",
        optionsTitle: "Opciones",
        delimiterLabel: "Delimitador",
        delimiterAuto: "Detectar automáticamente",
        delimiterComma: "Coma",
        delimiterSemicolon: "Punto y coma",
        delimiterTab: "Tabulación",
        delimiterPipe: "Barra vertical",
        encodingLabel: "Codificación del archivo",
        shapeLabel: "Forma JSON",
        shapeObjects: "Objetos desde la fila de encabezados",
        shapeArrays: "Arreglos de filas",
        formatLabel: "Formato",
        pretty: "Legible",
        compact: "Compacto",
        trimLabel: "Quitar espacios al inicio y al final",
        emptyAsNullLabel: "Convertir celdas vacías en null",
        skipEmptyRowsLabel: "Omitir filas vacías",
        convert: "Convertir",
        copy: "Copiar",
        download: "Descargar",
        clear: "Limpiar",
        sample: "Ejemplo",
        outputTitle: "Salida JSON",
        outputPlaceholder: "El JSON convertido aparecerá aquí.",
        rowsMetric: "filas",
        columnsMetric: "columnas",
        statusReady: "Listo.",
        statusConverted: "Se convirtieron {rows} filas y {columns} columnas.",
        statusCopied: "Copiado al portapapeles.",
        statusDownloaded: "result.json descargado.",
        statusCleared: "Limpio.",
        statusSample: "CSV de ejemplo cargado.",
        fileSelected: "Archivo seleccionado: {name}",
        errorNoInput: "Sube un archivo CSV o pega texto CSV primero.",
        errorNeedData: "El CSV necesita una fila de encabezados y al menos una fila de datos.",
        errorEncoding: "Este navegador no puede decodificar {encoding}. Prueba UTF-8 u otra codificación.",
        errorClipboard: "No se pudo copiar. Selecciona la salida y cópiala manualmente.",
        errorNothingToCopy: "Todavía no hay JSON para copiar.",
        errorNothingToDownload: "Todavía no hay JSON para descargar."
    },
    fr: {
        documentTitle: "Convertisseur CSV vers JSON",
        appTitle: "2json",
        appSubtitle: "Convertissez des fichiers CSV en JSON propre dans votre navigateur.",
        languageLabel: "Langue",
        inputTitle: "CSV source",
        inputHelp: "Importez un fichier ou collez du texte CSV.",
        uploadLabel: "Fichier CSV",
        pasteLabel: "Texte CSV",
        pastePlaceholder: "Collez le contenu CSV ici...",
        optionsTitle: "Options",
        delimiterLabel: "Délimiteur",
        delimiterAuto: "Détection automatique",
        delimiterComma: "Virgule",
        delimiterSemicolon: "Point-virgule",
        delimiterTab: "Tabulation",
        delimiterPipe: "Barre verticale",
        encodingLabel: "Encodage du fichier",
        shapeLabel: "Structure JSON",
        shapeObjects: "Objets depuis la ligne d'en-tête",
        shapeArrays: "Tableaux de lignes",
        formatLabel: "Mise en forme",
        pretty: "Lisible",
        compact: "Compact",
        trimLabel: "Supprimer les espaces au début et à la fin",
        emptyAsNullLabel: "Convertir les cellules vides en null",
        skipEmptyRowsLabel: "Ignorer les lignes vides",
        convert: "Convertir",
        copy: "Copier",
        download: "Télécharger",
        clear: "Effacer",
        sample: "Exemple",
        outputTitle: "Sortie JSON",
        outputPlaceholder: "Le JSON converti apparaîtra ici.",
        rowsMetric: "lignes",
        columnsMetric: "colonnes",
        statusReady: "Prêt.",
        statusConverted: "{rows} lignes et {columns} colonnes converties.",
        statusCopied: "Copié dans le presse-papiers.",
        statusDownloaded: "result.json téléchargé.",
        statusCleared: "Effacé.",
        statusSample: "CSV d'exemple chargé.",
        fileSelected: "Fichier sélectionné : {name}",
        errorNoInput: "Importez un fichier CSV ou collez d'abord du texte CSV.",
        errorNeedData: "Le CSV doit contenir une ligne d'en-tête et au moins une ligne de données.",
        errorEncoding: "Ce navigateur ne peut pas décoder {encoding}. Essayez UTF-8 ou un autre encodage.",
        errorClipboard: "La copie a échoué. Sélectionnez la sortie et copiez-la manuellement.",
        errorNothingToCopy: "Aucun JSON à copier pour le moment.",
        errorNothingToDownload: "Aucun JSON à télécharger pour le moment."
    },
    de: {
        documentTitle: "CSV-zu-JSON-Konverter",
        appTitle: "2json",
        appSubtitle: "Wandeln Sie CSV-Dateien im Browser in sauberes JSON um.",
        languageLabel: "Sprache",
        inputTitle: "CSV-Eingabe",
        inputHelp: "Datei hochladen oder CSV-Text einfügen.",
        uploadLabel: "CSV-Datei",
        pasteLabel: "CSV-Text",
        pastePlaceholder: "CSV-Inhalt hier einfügen...",
        optionsTitle: "Optionen",
        delimiterLabel: "Trennzeichen",
        delimiterAuto: "Automatisch erkennen",
        delimiterComma: "Komma",
        delimiterSemicolon: "Semikolon",
        delimiterTab: "Tabulator",
        delimiterPipe: "Pipe",
        encodingLabel: "Dateikodierung",
        shapeLabel: "JSON-Form",
        shapeObjects: "Objekte aus Kopfzeile",
        shapeArrays: "Zeilen als Arrays",
        formatLabel: "Formatierung",
        pretty: "Lesbar",
        compact: "Kompakt",
        trimLabel: "Leerzeichen am Anfang und Ende entfernen",
        emptyAsNullLabel: "Leere Zellen in null umwandeln",
        skipEmptyRowsLabel: "Leere Zeilen überspringen",
        convert: "Konvertieren",
        copy: "Kopieren",
        download: "Herunterladen",
        clear: "Leeren",
        sample: "Beispiel",
        outputTitle: "JSON-Ausgabe",
        outputPlaceholder: "Das konvertierte JSON erscheint hier.",
        rowsMetric: "Zeilen",
        columnsMetric: "Spalten",
        statusReady: "Bereit.",
        statusConverted: "{rows} Zeilen und {columns} Spalten konvertiert.",
        statusCopied: "In die Zwischenablage kopiert.",
        statusDownloaded: "result.json heruntergeladen.",
        statusCleared: "Geleert.",
        statusSample: "Beispiel-CSV geladen.",
        fileSelected: "Ausgewählte Datei: {name}",
        errorNoInput: "Laden Sie zuerst eine CSV-Datei hoch oder fügen Sie CSV-Text ein.",
        errorNeedData: "CSV benötigt eine Kopfzeile und mindestens eine Datenzeile.",
        errorEncoding: "Dieser Browser kann {encoding} nicht decodieren. Versuchen Sie UTF-8 oder eine andere Kodierung.",
        errorClipboard: "Kopieren fehlgeschlagen. Ausgabe markieren und manuell kopieren.",
        errorNothingToCopy: "Es gibt noch kein JSON zum Kopieren.",
        errorNothingToDownload: "Es gibt noch kein JSON zum Herunterladen."
    },
    pt: {
        documentTitle: "Conversor de CSV para JSON",
        appTitle: "2json",
        appSubtitle: "Converta arquivos CSV em JSON limpo no navegador.",
        languageLabel: "Idioma",
        inputTitle: "CSV de entrada",
        inputHelp: "Envie um arquivo ou cole texto CSV.",
        uploadLabel: "Arquivo CSV",
        pasteLabel: "Texto CSV",
        pastePlaceholder: "Cole o conteúdo CSV aqui...",
        optionsTitle: "Opções",
        delimiterLabel: "Delimitador",
        delimiterAuto: "Detectar automaticamente",
        delimiterComma: "Vírgula",
        delimiterSemicolon: "Ponto e vírgula",
        delimiterTab: "Tabulação",
        delimiterPipe: "Barra vertical",
        encodingLabel: "Codificação do arquivo",
        shapeLabel: "Formato JSON",
        shapeObjects: "Objetos a partir do cabeçalho",
        shapeArrays: "Arrays de linhas",
        formatLabel: "Formatação",
        pretty: "Legível",
        compact: "Compacto",
        trimLabel: "Remover espaços no início e no fim",
        emptyAsNullLabel: "Converter células vazias em null",
        skipEmptyRowsLabel: "Ignorar linhas vazias",
        convert: "Converter",
        copy: "Copiar",
        download: "Baixar",
        clear: "Limpar",
        sample: "Exemplo",
        outputTitle: "Saída JSON",
        outputPlaceholder: "O JSON convertido aparecerá aqui.",
        rowsMetric: "linhas",
        columnsMetric: "colunas",
        statusReady: "Pronto.",
        statusConverted: "{rows} linhas e {columns} colunas convertidas.",
        statusCopied: "Copiado para a área de transferência.",
        statusDownloaded: "result.json baixado.",
        statusCleared: "Limpo.",
        statusSample: "CSV de exemplo carregado.",
        fileSelected: "Arquivo selecionado: {name}",
        errorNoInput: "Envie um arquivo CSV ou cole texto CSV primeiro.",
        errorNeedData: "O CSV precisa de uma linha de cabeçalho e pelo menos uma linha de dados.",
        errorEncoding: "Este navegador não consegue decodificar {encoding}. Tente UTF-8 ou outra codificação.",
        errorClipboard: "Falha ao copiar. Selecione a saída e copie manualmente.",
        errorNothingToCopy: "Ainda não há JSON para copiar.",
        errorNothingToDownload: "Ainda não há JSON para baixar."
    },
    ru: {
        documentTitle: "Конвертер CSV в JSON",
        appTitle: "2json",
        appSubtitle: "Преобразуйте CSV-файлы в чистый JSON прямо в браузере.",
        languageLabel: "Язык",
        inputTitle: "Ввод CSV",
        inputHelp: "Загрузите файл или вставьте текст CSV.",
        uploadLabel: "CSV-файл",
        pasteLabel: "Текст CSV",
        pastePlaceholder: "Вставьте CSV здесь...",
        optionsTitle: "Параметры",
        delimiterLabel: "Разделитель",
        delimiterAuto: "Определить автоматически",
        delimiterComma: "Запятая",
        delimiterSemicolon: "Точка с запятой",
        delimiterTab: "Табуляция",
        delimiterPipe: "Вертикальная черта",
        encodingLabel: "Кодировка файла",
        shapeLabel: "Форма JSON",
        shapeObjects: "Объекты из строки заголовков",
        shapeArrays: "Массивы строк",
        formatLabel: "Форматирование",
        pretty: "С отступами",
        compact: "Компактно",
        trimLabel: "Удалять пробелы в начале и конце",
        emptyAsNullLabel: "Пустые ячейки превращать в null",
        skipEmptyRowsLabel: "Пропускать пустые строки",
        convert: "Конвертировать",
        copy: "Копировать",
        download: "Скачать",
        clear: "Очистить",
        sample: "Пример",
        outputTitle: "Вывод JSON",
        outputPlaceholder: "Здесь появится преобразованный JSON.",
        rowsMetric: "строк",
        columnsMetric: "столбцов",
        statusReady: "Готово.",
        statusConverted: "Преобразовано строк: {rows}, столбцов: {columns}.",
        statusCopied: "Скопировано в буфер обмена.",
        statusDownloaded: "Файл result.json скачан.",
        statusCleared: "Очищено.",
        statusSample: "Пример CSV загружен.",
        fileSelected: "Выбран файл: {name}",
        errorNoInput: "Сначала загрузите CSV-файл или вставьте текст CSV.",
        errorNeedData: "CSV должен содержать строку заголовков и хотя бы одну строку данных.",
        errorEncoding: "Этот браузер не может декодировать {encoding}. Попробуйте UTF-8 или другую кодировку.",
        errorClipboard: "Не удалось скопировать. Выделите вывод и скопируйте вручную.",
        errorNothingToCopy: "Пока нет JSON для копирования.",
        errorNothingToDownload: "Пока нет JSON для скачивания."
    },
    ja: {
        documentTitle: "CSV から JSON への変換ツール",
        appTitle: "2json",
        appSubtitle: "ブラウザー内で CSV ファイルを整った JSON に変換します。",
        languageLabel: "言語",
        inputTitle: "CSV 入力",
        inputHelp: "ファイルをアップロードするか CSV テキストを貼り付けます。",
        uploadLabel: "CSV ファイル",
        pasteLabel: "CSV テキスト",
        pastePlaceholder: "CSV の内容をここに貼り付け...",
        optionsTitle: "オプション",
        delimiterLabel: "区切り文字",
        delimiterAuto: "自動検出",
        delimiterComma: "カンマ",
        delimiterSemicolon: "セミコロン",
        delimiterTab: "タブ",
        delimiterPipe: "パイプ",
        encodingLabel: "ファイルのエンコード",
        shapeLabel: "JSON 形式",
        shapeObjects: "見出し行からオブジェクト",
        shapeArrays: "行の配列",
        formatLabel: "整形",
        pretty: "読みやすく",
        compact: "コンパクト",
        trimLabel: "前後の空白を削除",
        emptyAsNullLabel: "空セルを null に変換",
        skipEmptyRowsLabel: "空行をスキップ",
        convert: "変換",
        copy: "コピー",
        download: "ダウンロード",
        clear: "クリア",
        sample: "サンプル",
        outputTitle: "JSON 出力",
        outputPlaceholder: "変換された JSON がここに表示されます。",
        rowsMetric: "行",
        columnsMetric: "列",
        statusReady: "準備完了。",
        statusConverted: "{rows} 行、{columns} 列を変換しました。",
        statusCopied: "クリップボードにコピーしました。",
        statusDownloaded: "result.json をダウンロードしました。",
        statusCleared: "クリアしました。",
        statusSample: "サンプル CSV を読み込みました。",
        fileSelected: "選択したファイル: {name}",
        errorNoInput: "先に CSV ファイルをアップロードするか CSV テキストを貼り付けてください。",
        errorNeedData: "CSV には見出し行と少なくとも 1 行のデータが必要です。",
        errorEncoding: "このブラウザーでは {encoding} をデコードできません。UTF-8 などを試してください。",
        errorClipboard: "コピーに失敗しました。出力を選択して手動でコピーしてください。",
        errorNothingToCopy: "コピーできる JSON はまだありません。",
        errorNothingToDownload: "ダウンロードできる JSON はまだありません。"
    },
    ko: {
        documentTitle: "CSV to JSON 변환기",
        appTitle: "2json",
        appSubtitle: "브라우저에서 CSV 파일을 깔끔한 JSON으로 변환합니다.",
        languageLabel: "언어",
        inputTitle: "CSV 입력",
        inputHelp: "파일을 업로드하거나 CSV 텍스트를 붙여넣으세요.",
        uploadLabel: "CSV 파일",
        pasteLabel: "CSV 텍스트",
        pastePlaceholder: "여기에 CSV 내용을 붙여넣기...",
        optionsTitle: "옵션",
        delimiterLabel: "구분 기호",
        delimiterAuto: "자동 감지",
        delimiterComma: "쉼표",
        delimiterSemicolon: "세미콜론",
        delimiterTab: "탭",
        delimiterPipe: "파이프",
        encodingLabel: "파일 인코딩",
        shapeLabel: "JSON 형태",
        shapeObjects: "헤더 행으로 객체 생성",
        shapeArrays: "행 배열",
        formatLabel: "서식",
        pretty: "보기 좋게",
        compact: "압축",
        trimLabel: "앞뒤 공백 제거",
        emptyAsNullLabel: "빈 셀을 null로 변환",
        skipEmptyRowsLabel: "빈 행 건너뛰기",
        convert: "변환",
        copy: "복사",
        download: "다운로드",
        clear: "지우기",
        sample: "샘플",
        outputTitle: "JSON 출력",
        outputPlaceholder: "변환된 JSON이 여기에 표시됩니다.",
        rowsMetric: "행",
        columnsMetric: "열",
        statusReady: "준비됨.",
        statusConverted: "{rows}개 행과 {columns}개 열을 변환했습니다.",
        statusCopied: "클립보드에 복사했습니다.",
        statusDownloaded: "result.json을 다운로드했습니다.",
        statusCleared: "지웠습니다.",
        statusSample: "샘플 CSV를 불러왔습니다.",
        fileSelected: "선택한 파일: {name}",
        errorNoInput: "먼저 CSV 파일을 업로드하거나 CSV 텍스트를 붙여넣으세요.",
        errorNeedData: "CSV에는 헤더 행과 하나 이상의 데이터 행이 필요합니다.",
        errorEncoding: "이 브라우저는 {encoding}을 디코딩할 수 없습니다. UTF-8 또는 다른 인코딩을 시도하세요.",
        errorClipboard: "복사에 실패했습니다. 출력을 선택해 수동으로 복사하세요.",
        errorNothingToCopy: "아직 복사할 JSON이 없습니다.",
        errorNothingToDownload: "아직 다운로드할 JSON이 없습니다."
    },
    ar: {
        documentTitle: "محول CSV إلى JSON",
        appTitle: "2json",
        appSubtitle: "حوّل ملفات CSV إلى JSON منظم داخل المتصفح.",
        languageLabel: "اللغة",
        inputTitle: "إدخال CSV",
        inputHelp: "ارفع ملفا أو الصق نص CSV.",
        uploadLabel: "ملف CSV",
        pasteLabel: "نص CSV",
        pastePlaceholder: "الصق محتوى CSV هنا...",
        optionsTitle: "الخيارات",
        delimiterLabel: "الفاصل",
        delimiterAuto: "اكتشاف تلقائي",
        delimiterComma: "فاصلة",
        delimiterSemicolon: "فاصلة منقوطة",
        delimiterTab: "جدولة",
        delimiterPipe: "شرطة عمودية",
        encodingLabel: "ترميز الملف",
        shapeLabel: "شكل JSON",
        shapeObjects: "كائنات من صف العناوين",
        shapeArrays: "مصفوفات الصفوف",
        formatLabel: "التنسيق",
        pretty: "منسق",
        compact: "مضغوط",
        trimLabel: "إزالة المسافات من البداية والنهاية",
        emptyAsNullLabel: "تحويل الخلايا الفارغة إلى null",
        skipEmptyRowsLabel: "تخطي الصفوف الفارغة",
        convert: "تحويل",
        copy: "نسخ",
        download: "تنزيل",
        clear: "مسح",
        sample: "مثال",
        outputTitle: "إخراج JSON",
        outputPlaceholder: "سيظهر JSON المحول هنا.",
        rowsMetric: "صفوف",
        columnsMetric: "أعمدة",
        statusReady: "جاهز.",
        statusConverted: "تم تحويل {rows} صفوف و {columns} أعمدة.",
        statusCopied: "تم النسخ إلى الحافظة.",
        statusDownloaded: "تم تنزيل result.json.",
        statusCleared: "تم المسح.",
        statusSample: "تم تحميل CSV المثال.",
        fileSelected: "الملف المحدد: {name}",
        errorNoInput: "ارفع ملف CSV أو الصق نص CSV أولا.",
        errorNeedData: "يحتاج CSV إلى صف عناوين وصف بيانات واحد على الأقل.",
        errorEncoding: "لا يستطيع هذا المتصفح فك ترميز {encoding}. جرب UTF-8 أو ترميزا آخر.",
        errorClipboard: "فشل النسخ. حدد الإخراج وانسخه يدويا.",
        errorNothingToCopy: "لا يوجد JSON للنسخ بعد.",
        errorNothingToDownload: "لا يوجد JSON للتنزيل بعد."
    },
    hi: {
        documentTitle: "CSV से JSON कनवर्टर",
        appTitle: "2json",
        appSubtitle: "ब्राउज़र में CSV फाइलों को साफ JSON में बदलें।",
        languageLabel: "भाषा",
        inputTitle: "CSV इनपुट",
        inputHelp: "फाइल अपलोड करें या CSV टेक्स्ट पेस्ट करें।",
        uploadLabel: "CSV फाइल",
        pasteLabel: "CSV टेक्स्ट",
        pastePlaceholder: "CSV सामग्री यहां पेस्ट करें...",
        optionsTitle: "विकल्प",
        delimiterLabel: "डिलिमिटर",
        delimiterAuto: "स्वतः पहचानें",
        delimiterComma: "कॉमा",
        delimiterSemicolon: "सेमीकोलन",
        delimiterTab: "टैब",
        delimiterPipe: "पाइप",
        encodingLabel: "फाइल एन्कोडिंग",
        shapeLabel: "JSON रूप",
        shapeObjects: "हेडर पंक्ति से ऑब्जेक्ट",
        shapeArrays: "पंक्तियों की एरे",
        formatLabel: "फॉर्मेटिंग",
        pretty: "सुंदर",
        compact: "कॉम्पैक्ट",
        trimLabel: "शुरू और अंत की खाली जगह हटाएं",
        emptyAsNullLabel: "खाली सेल को null बनाएं",
        skipEmptyRowsLabel: "खाली पंक्तियां छोड़ें",
        convert: "कनवर्ट",
        copy: "कॉपी",
        download: "डाउनलोड",
        clear: "साफ करें",
        sample: "नमूना",
        outputTitle: "JSON आउटपुट",
        outputPlaceholder: "कनवर्ट किया गया JSON यहां दिखेगा।",
        rowsMetric: "पंक्तियां",
        columnsMetric: "कॉलम",
        statusReady: "तैयार.",
        statusConverted: "{rows} पंक्तियां और {columns} कॉलम कनवर्ट हुए।",
        statusCopied: "क्लिपबोर्ड में कॉपी हुआ।",
        statusDownloaded: "result.json डाउनलोड हुआ।",
        statusCleared: "साफ किया गया।",
        statusSample: "नमूना CSV लोड हुआ।",
        fileSelected: "चुनी गई फाइल: {name}",
        errorNoInput: "पहले CSV फाइल अपलोड करें या CSV टेक्स्ट पेस्ट करें।",
        errorNeedData: "CSV में हेडर पंक्ति और कम से कम एक डेटा पंक्ति चाहिए।",
        errorEncoding: "यह ब्राउज़र {encoding} डिकोड नहीं कर सकता। UTF-8 या दूसरा एन्कोडिंग आजमाएं।",
        errorClipboard: "कॉपी विफल। आउटपुट चुनकर मैन्युअल रूप से कॉपी करें।",
        errorNothingToCopy: "अभी कॉपी करने के लिए JSON नहीं है।",
        errorNothingToDownload: "अभी डाउनलोड करने के लिए JSON नहीं है।"
    },
    bn: {
        documentTitle: "CSV থেকে JSON রূপান্তরক",
        appTitle: "2json",
        appSubtitle: "ব্রাউজারে CSV ফাইলকে পরিষ্কার JSON-এ রূপান্তর করুন।",
        languageLabel: "ভাষা",
        inputTitle: "CSV ইনপুট",
        inputHelp: "ফাইল আপলোড করুন বা CSV টেক্সট পেস্ট করুন।",
        uploadLabel: "CSV ফাইল",
        pasteLabel: "CSV টেক্সট",
        pastePlaceholder: "এখানে CSV কনটেন্ট পেস্ট করুন...",
        optionsTitle: "বিকল্প",
        delimiterLabel: "ডিলিমিটার",
        delimiterAuto: "স্বয়ংক্রিয় শনাক্তকরণ",
        delimiterComma: "কমা",
        delimiterSemicolon: "সেমিকোলন",
        delimiterTab: "ট্যাব",
        delimiterPipe: "পাইপ",
        encodingLabel: "ফাইল এনকোডিং",
        shapeLabel: "JSON ধরন",
        shapeObjects: "হেডার সারি থেকে অবজেক্ট",
        shapeArrays: "সারির অ্যারে",
        formatLabel: "ফরম্যাট",
        pretty: "সুন্দর",
        compact: "কমপ্যাক্ট",
        trimLabel: "শুরু ও শেষের স্পেস সরান",
        emptyAsNullLabel: "খালি সেল null করুন",
        skipEmptyRowsLabel: "খালি সারি বাদ দিন",
        convert: "রূপান্তর",
        copy: "কপি",
        download: "ডাউনলোড",
        clear: "মুছুন",
        sample: "নমুনা",
        outputTitle: "JSON আউটপুট",
        outputPlaceholder: "রূপান্তরিত JSON এখানে দেখাবে।",
        rowsMetric: "সারি",
        columnsMetric: "কলাম",
        statusReady: "প্রস্তুত।",
        statusConverted: "{rows} সারি ও {columns} কলাম রূপান্তরিত হয়েছে।",
        statusCopied: "ক্লিপবোর্ডে কপি হয়েছে।",
        statusDownloaded: "result.json ডাউনলোড হয়েছে।",
        statusCleared: "মুছে ফেলা হয়েছে।",
        statusSample: "নমুনা CSV লোড হয়েছে।",
        fileSelected: "নির্বাচিত ফাইল: {name}",
        errorNoInput: "আগে CSV ফাইল আপলোড করুন বা CSV টেক্সট পেস্ট করুন।",
        errorNeedData: "CSV-তে হেডার সারি এবং অন্তত একটি ডেটা সারি থাকতে হবে।",
        errorEncoding: "এই ব্রাউজার {encoding} ডিকোড করতে পারে না। UTF-8 বা অন্য এনকোডিং চেষ্টা করুন।",
        errorClipboard: "কপি ব্যর্থ। আউটপুট নির্বাচন করে হাতে কপি করুন।",
        errorNothingToCopy: "এখনও কপি করার মতো JSON নেই।",
        errorNothingToDownload: "এখনও ডাউনলোড করার মতো JSON নেই।"
    },
    id: {
        documentTitle: "Konverter CSV ke JSON",
        appTitle: "2json",
        appSubtitle: "Ubah file CSV menjadi JSON rapi di browser.",
        languageLabel: "Bahasa",
        inputTitle: "Input CSV",
        inputHelp: "Unggah file atau tempel teks CSV.",
        uploadLabel: "File CSV",
        pasteLabel: "Teks CSV",
        pastePlaceholder: "Tempel konten CSV di sini...",
        optionsTitle: "Opsi",
        delimiterLabel: "Pemisah",
        delimiterAuto: "Deteksi otomatis",
        delimiterComma: "Koma",
        delimiterSemicolon: "Titik koma",
        delimiterTab: "Tab",
        delimiterPipe: "Garis vertikal",
        encodingLabel: "Encoding file",
        shapeLabel: "Bentuk JSON",
        shapeObjects: "Objek dari baris header",
        shapeArrays: "Array baris",
        formatLabel: "Format",
        pretty: "Rapi",
        compact: "Ringkas",
        trimLabel: "Hapus spasi awal dan akhir",
        emptyAsNullLabel: "Ubah sel kosong menjadi null",
        skipEmptyRowsLabel: "Lewati baris kosong",
        convert: "Konversi",
        copy: "Salin",
        download: "Unduh",
        clear: "Bersihkan",
        sample: "Contoh",
        outputTitle: "Output JSON",
        outputPlaceholder: "JSON hasil konversi akan muncul di sini.",
        rowsMetric: "baris",
        columnsMetric: "kolom",
        statusReady: "Siap.",
        statusConverted: "{rows} baris dan {columns} kolom dikonversi.",
        statusCopied: "Disalin ke clipboard.",
        statusDownloaded: "result.json diunduh.",
        statusCleared: "Dibersihkan.",
        statusSample: "Contoh CSV dimuat.",
        fileSelected: "File dipilih: {name}",
        errorNoInput: "Unggah file CSV atau tempel teks CSV terlebih dahulu.",
        errorNeedData: "CSV memerlukan baris header dan minimal satu baris data.",
        errorEncoding: "Browser ini tidak dapat mendekode {encoding}. Coba UTF-8 atau encoding lain.",
        errorClipboard: "Gagal menyalin. Pilih output dan salin secara manual.",
        errorNothingToCopy: "Belum ada JSON untuk disalin.",
        errorNothingToDownload: "Belum ada JSON untuk diunduh."
    },
    tr: {
        documentTitle: "CSV'den JSON'a Dönüştürücü",
        appTitle: "2json",
        appSubtitle: "CSV dosyalarını tarayıcıda temiz JSON'a dönüştürün.",
        languageLabel: "Dil",
        inputTitle: "CSV girişi",
        inputHelp: "Dosya yükleyin veya CSV metni yapıştırın.",
        uploadLabel: "CSV dosyası",
        pasteLabel: "CSV metni",
        pastePlaceholder: "CSV içeriğini buraya yapıştırın...",
        optionsTitle: "Seçenekler",
        delimiterLabel: "Ayırıcı",
        delimiterAuto: "Otomatik algıla",
        delimiterComma: "Virgül",
        delimiterSemicolon: "Noktalı virgül",
        delimiterTab: "Sekme",
        delimiterPipe: "Dikey çizgi",
        encodingLabel: "Dosya kodlaması",
        shapeLabel: "JSON şekli",
        shapeObjects: "Başlık satırından nesneler",
        shapeArrays: "Satır dizileri",
        formatLabel: "Biçim",
        pretty: "Okunabilir",
        compact: "Kompakt",
        trimLabel: "Baştaki ve sondaki boşlukları kaldır",
        emptyAsNullLabel: "Boş hücreleri null yap",
        skipEmptyRowsLabel: "Boş satırları atla",
        convert: "Dönüştür",
        copy: "Kopyala",
        download: "İndir",
        clear: "Temizle",
        sample: "Örnek",
        outputTitle: "JSON çıktısı",
        outputPlaceholder: "Dönüştürülen JSON burada görünecek.",
        rowsMetric: "satır",
        columnsMetric: "sütun",
        statusReady: "Hazır.",
        statusConverted: "{rows} satır ve {columns} sütun dönüştürüldü.",
        statusCopied: "Panoya kopyalandı.",
        statusDownloaded: "result.json indirildi.",
        statusCleared: "Temizlendi.",
        statusSample: "Örnek CSV yüklendi.",
        fileSelected: "Seçilen dosya: {name}",
        errorNoInput: "Önce bir CSV dosyası yükleyin veya CSV metni yapıştırın.",
        errorNeedData: "CSV bir başlık satırı ve en az bir veri satırı gerektirir.",
        errorEncoding: "Bu tarayıcı {encoding} kodlamasını çözemiyor. UTF-8 veya başka bir kodlama deneyin.",
        errorClipboard: "Kopyalama başarısız. Çıktıyı seçip elle kopyalayın.",
        errorNothingToCopy: "Henüz kopyalanacak JSON yok.",
        errorNothingToDownload: "Henüz indirilecek JSON yok."
    },
    it: {
        documentTitle: "Convertitore da CSV a JSON",
        appTitle: "2json",
        appSubtitle: "Converti file CSV in JSON pulito nel browser.",
        languageLabel: "Lingua",
        inputTitle: "CSV in ingresso",
        inputHelp: "Carica un file o incolla testo CSV.",
        uploadLabel: "File CSV",
        pasteLabel: "Testo CSV",
        pastePlaceholder: "Incolla qui il contenuto CSV...",
        optionsTitle: "Opzioni",
        delimiterLabel: "Delimitatore",
        delimiterAuto: "Rileva automaticamente",
        delimiterComma: "Virgola",
        delimiterSemicolon: "Punto e virgola",
        delimiterTab: "Tab",
        delimiterPipe: "Barra verticale",
        encodingLabel: "Codifica file",
        shapeLabel: "Forma JSON",
        shapeObjects: "Oggetti dalla riga di intestazione",
        shapeArrays: "Array di righe",
        formatLabel: "Formattazione",
        pretty: "Leggibile",
        compact: "Compatto",
        trimLabel: "Rimuovi spazi iniziali e finali",
        emptyAsNullLabel: "Converti celle vuote in null",
        skipEmptyRowsLabel: "Salta righe vuote",
        convert: "Converti",
        copy: "Copia",
        download: "Scarica",
        clear: "Pulisci",
        sample: "Esempio",
        outputTitle: "Output JSON",
        outputPlaceholder: "Il JSON convertito apparirà qui.",
        rowsMetric: "righe",
        columnsMetric: "colonne",
        statusReady: "Pronto.",
        statusConverted: "Convertite {rows} righe e {columns} colonne.",
        statusCopied: "Copiato negli appunti.",
        statusDownloaded: "result.json scaricato.",
        statusCleared: "Pulito.",
        statusSample: "CSV di esempio caricato.",
        fileSelected: "File selezionato: {name}",
        errorNoInput: "Carica prima un file CSV o incolla testo CSV.",
        errorNeedData: "Il CSV richiede una riga di intestazione e almeno una riga di dati.",
        errorEncoding: "Questo browser non può decodificare {encoding}. Prova UTF-8 o un'altra codifica.",
        errorClipboard: "Copia non riuscita. Seleziona l'output e copialo manualmente.",
        errorNothingToCopy: "Non c'è ancora JSON da copiare.",
        errorNothingToDownload: "Non c'è ancora JSON da scaricare."
    },
    vi: {
        documentTitle: "Trình chuyển CSV sang JSON",
        appTitle: "2json",
        appSubtitle: "Chuyển tệp CSV thành JSON gọn trong trình duyệt.",
        languageLabel: "Ngôn ngữ",
        inputTitle: "CSV đầu vào",
        inputHelp: "Tải tệp lên hoặc dán văn bản CSV.",
        uploadLabel: "Tệp CSV",
        pasteLabel: "Văn bản CSV",
        pastePlaceholder: "Dán nội dung CSV vào đây...",
        optionsTitle: "Tùy chọn",
        delimiterLabel: "Dấu phân cách",
        delimiterAuto: "Tự phát hiện",
        delimiterComma: "Dấu phẩy",
        delimiterSemicolon: "Dấu chấm phẩy",
        delimiterTab: "Tab",
        delimiterPipe: "Dấu gạch đứng",
        encodingLabel: "Mã hóa tệp",
        shapeLabel: "Dạng JSON",
        shapeObjects: "Đối tượng từ hàng tiêu đề",
        shapeArrays: "Mảng các hàng",
        formatLabel: "Định dạng",
        pretty: "Dễ đọc",
        compact: "Gọn",
        trimLabel: "Xóa khoảng trắng đầu và cuối",
        emptyAsNullLabel: "Đổi ô trống thành null",
        skipEmptyRowsLabel: "Bỏ qua hàng trống",
        convert: "Chuyển đổi",
        copy: "Sao chép",
        download: "Tải xuống",
        clear: "Xóa",
        sample: "Mẫu",
        outputTitle: "Kết quả JSON",
        outputPlaceholder: "JSON đã chuyển đổi sẽ xuất hiện ở đây.",
        rowsMetric: "hàng",
        columnsMetric: "cột",
        statusReady: "Sẵn sàng.",
        statusConverted: "Đã chuyển {rows} hàng và {columns} cột.",
        statusCopied: "Đã sao chép vào clipboard.",
        statusDownloaded: "Đã tải result.json.",
        statusCleared: "Đã xóa.",
        statusSample: "Đã tải CSV mẫu.",
        fileSelected: "Tệp đã chọn: {name}",
        errorNoInput: "Hãy tải tệp CSV hoặc dán văn bản CSV trước.",
        errorNeedData: "CSV cần hàng tiêu đề và ít nhất một hàng dữ liệu.",
        errorEncoding: "Trình duyệt này không giải mã được {encoding}. Hãy thử UTF-8 hoặc mã hóa khác.",
        errorClipboard: "Sao chép thất bại. Chọn kết quả và sao chép thủ công.",
        errorNothingToCopy: "Chưa có JSON để sao chép.",
        errorNothingToDownload: "Chưa có JSON để tải xuống."
    },
    th: {
        documentTitle: "ตัวแปลง CSV เป็น JSON",
        appTitle: "2json",
        appSubtitle: "แปลงไฟล์ CSV เป็น JSON ที่อ่านง่ายในเบราว์เซอร์",
        languageLabel: "ภาษา",
        inputTitle: "CSV ขาเข้า",
        inputHelp: "อัปโหลดไฟล์หรือวางข้อความ CSV",
        uploadLabel: "ไฟล์ CSV",
        pasteLabel: "ข้อความ CSV",
        pastePlaceholder: "วางเนื้อหา CSV ที่นี่...",
        optionsTitle: "ตัวเลือก",
        delimiterLabel: "ตัวคั่น",
        delimiterAuto: "ตรวจจับอัตโนมัติ",
        delimiterComma: "จุลภาค",
        delimiterSemicolon: "อัฒภาค",
        delimiterTab: "แท็บ",
        delimiterPipe: "ขีดตั้ง",
        encodingLabel: "การเข้ารหัสไฟล์",
        shapeLabel: "รูปแบบ JSON",
        shapeObjects: "ออบเจ็กต์จากแถวหัวตาราง",
        shapeArrays: "อาร์เรย์ของแถว",
        formatLabel: "การจัดรูปแบบ",
        pretty: "อ่านง่าย",
        compact: "กะทัดรัด",
        trimLabel: "ตัดช่องว่างต้นและท้าย",
        emptyAsNullLabel: "แปลงเซลล์ว่างเป็น null",
        skipEmptyRowsLabel: "ข้ามแถวว่าง",
        convert: "แปลง",
        copy: "คัดลอก",
        download: "ดาวน์โหลด",
        clear: "ล้าง",
        sample: "ตัวอย่าง",
        outputTitle: "ผลลัพธ์ JSON",
        outputPlaceholder: "JSON ที่แปลงแล้วจะแสดงที่นี่",
        rowsMetric: "แถว",
        columnsMetric: "คอลัมน์",
        statusReady: "พร้อม",
        statusConverted: "แปลงแล้ว {rows} แถว และ {columns} คอลัมน์",
        statusCopied: "คัดลอกไปยังคลิปบอร์ดแล้ว",
        statusDownloaded: "ดาวน์โหลด result.json แล้ว",
        statusCleared: "ล้างแล้ว",
        statusSample: "โหลด CSV ตัวอย่างแล้ว",
        fileSelected: "ไฟล์ที่เลือก: {name}",
        errorNoInput: "อัปโหลดไฟล์ CSV หรือวางข้อความ CSV ก่อน",
        errorNeedData: "CSV ต้องมีแถวหัวตารางและแถวข้อมูลอย่างน้อยหนึ่งแถว",
        errorEncoding: "เบราว์เซอร์นี้ถอดรหัส {encoding} ไม่ได้ ลอง UTF-8 หรือการเข้ารหัสอื่น",
        errorClipboard: "คัดลอกไม่สำเร็จ เลือกผลลัพธ์แล้วคัดลอกเอง",
        errorNothingToCopy: "ยังไม่มี JSON ให้คัดลอก",
        errorNothingToDownload: "ยังไม่มี JSON ให้ดาวน์โหลด"
    },
    nl: {
        documentTitle: "CSV naar JSON converter",
        appTitle: "2json",
        appSubtitle: "Zet CSV-bestanden in de browser om naar nette JSON.",
        languageLabel: "Taal",
        inputTitle: "CSV-invoer",
        inputHelp: "Upload een bestand of plak CSV-tekst.",
        uploadLabel: "CSV-bestand",
        pasteLabel: "CSV-tekst",
        pastePlaceholder: "Plak CSV-inhoud hier...",
        optionsTitle: "Opties",
        delimiterLabel: "Scheidingsteken",
        delimiterAuto: "Automatisch detecteren",
        delimiterComma: "Komma",
        delimiterSemicolon: "Puntkomma",
        delimiterTab: "Tab",
        delimiterPipe: "Pipe",
        encodingLabel: "Bestandscodering",
        shapeLabel: "JSON-vorm",
        shapeObjects: "Objecten uit kopregel",
        shapeArrays: "Arrays van rijen",
        formatLabel: "Opmaak",
        pretty: "Leesbaar",
        compact: "Compact",
        trimLabel: "Spaties aan begin en einde verwijderen",
        emptyAsNullLabel: "Lege cellen omzetten naar null",
        skipEmptyRowsLabel: "Lege rijen overslaan",
        convert: "Converteren",
        copy: "Kopiëren",
        download: "Downloaden",
        clear: "Wissen",
        sample: "Voorbeeld",
        outputTitle: "JSON-uitvoer",
        outputPlaceholder: "De geconverteerde JSON verschijnt hier.",
        rowsMetric: "rijen",
        columnsMetric: "kolommen",
        statusReady: "Klaar.",
        statusConverted: "{rows} rijen en {columns} kolommen geconverteerd.",
        statusCopied: "Gekopieerd naar klembord.",
        statusDownloaded: "result.json gedownload.",
        statusCleared: "Gewist.",
        statusSample: "Voorbeeld-CSV geladen.",
        fileSelected: "Geselecteerd bestand: {name}",
        errorNoInput: "Upload eerst een CSV-bestand of plak CSV-tekst.",
        errorNeedData: "CSV heeft een kopregel en minstens één gegevensrij nodig.",
        errorEncoding: "Deze browser kan {encoding} niet decoderen. Probeer UTF-8 of een andere codering.",
        errorClipboard: "Kopiëren mislukt. Selecteer de uitvoer en kopieer handmatig.",
        errorNothingToCopy: "Er is nog geen JSON om te kopiëren.",
        errorNothingToDownload: "Er is nog geen JSON om te downloaden."
    },
    pl: {
        documentTitle: "Konwerter CSV na JSON",
        appTitle: "2json",
        appSubtitle: "Konwertuj pliki CSV do czytelnego JSON w przeglądarce.",
        languageLabel: "Język",
        inputTitle: "Wejście CSV",
        inputHelp: "Prześlij plik lub wklej tekst CSV.",
        uploadLabel: "Plik CSV",
        pasteLabel: "Tekst CSV",
        pastePlaceholder: "Wklej tutaj zawartość CSV...",
        optionsTitle: "Opcje",
        delimiterLabel: "Separator",
        delimiterAuto: "Wykryj automatycznie",
        delimiterComma: "Przecinek",
        delimiterSemicolon: "Średnik",
        delimiterTab: "Tabulator",
        delimiterPipe: "Kreska pionowa",
        encodingLabel: "Kodowanie pliku",
        shapeLabel: "Kształt JSON",
        shapeObjects: "Obiekty z wiersza nagłówka",
        shapeArrays: "Tablice wierszy",
        formatLabel: "Formatowanie",
        pretty: "Czytelne",
        compact: "Kompaktowe",
        trimLabel: "Usuń spacje z początku i końca",
        emptyAsNullLabel: "Zamień puste komórki na null",
        skipEmptyRowsLabel: "Pomiń puste wiersze",
        convert: "Konwertuj",
        copy: "Kopiuj",
        download: "Pobierz",
        clear: "Wyczyść",
        sample: "Przykład",
        outputTitle: "Wyjście JSON",
        outputPlaceholder: "Tutaj pojawi się skonwertowany JSON.",
        rowsMetric: "wierszy",
        columnsMetric: "kolumn",
        statusReady: "Gotowe.",
        statusConverted: "Skonwertowano {rows} wierszy i {columns} kolumn.",
        statusCopied: "Skopiowano do schowka.",
        statusDownloaded: "Pobrano result.json.",
        statusCleared: "Wyczyszczono.",
        statusSample: "Wczytano przykładowy CSV.",
        fileSelected: "Wybrany plik: {name}",
        errorNoInput: "Najpierw prześlij plik CSV lub wklej tekst CSV.",
        errorNeedData: "CSV wymaga wiersza nagłówka i co najmniej jednego wiersza danych.",
        errorEncoding: "Ta przeglądarka nie może zdekodować {encoding}. Spróbuj UTF-8 lub innego kodowania.",
        errorClipboard: "Kopiowanie nie powiodło się. Zaznacz wyjście i skopiuj ręcznie.",
        errorNothingToCopy: "Nie ma jeszcze JSON do skopiowania.",
        errorNothingToDownload: "Nie ma jeszcze JSON do pobrania."
    },
    uk: {
        documentTitle: "Конвертер CSV у JSON",
        appTitle: "2json",
        appSubtitle: "Перетворюйте CSV-файли на охайний JSON у браузері.",
        languageLabel: "Мова",
        inputTitle: "Вхід CSV",
        inputHelp: "Завантажте файл або вставте текст CSV.",
        uploadLabel: "CSV-файл",
        pasteLabel: "Текст CSV",
        pastePlaceholder: "Вставте вміст CSV тут...",
        optionsTitle: "Параметри",
        delimiterLabel: "Розділювач",
        delimiterAuto: "Визначити автоматично",
        delimiterComma: "Кома",
        delimiterSemicolon: "Крапка з комою",
        delimiterTab: "Табуляція",
        delimiterPipe: "Вертикальна риска",
        encodingLabel: "Кодування файлу",
        shapeLabel: "Форма JSON",
        shapeObjects: "Об'єкти з рядка заголовків",
        shapeArrays: "Масиви рядків",
        formatLabel: "Форматування",
        pretty: "Читабельно",
        compact: "Компактно",
        trimLabel: "Прибрати пробіли на початку і в кінці",
        emptyAsNullLabel: "Перетворювати порожні комірки на null",
        skipEmptyRowsLabel: "Пропускати порожні рядки",
        convert: "Конвертувати",
        copy: "Копіювати",
        download: "Завантажити",
        clear: "Очистити",
        sample: "Приклад",
        outputTitle: "Вихід JSON",
        outputPlaceholder: "Перетворений JSON з'явиться тут.",
        rowsMetric: "рядків",
        columnsMetric: "стовпців",
        statusReady: "Готово.",
        statusConverted: "Перетворено {rows} рядків і {columns} стовпців.",
        statusCopied: "Скопійовано до буфера.",
        statusDownloaded: "result.json завантажено.",
        statusCleared: "Очищено.",
        statusSample: "Приклад CSV завантажено.",
        fileSelected: "Вибраний файл: {name}",
        errorNoInput: "Спочатку завантажте CSV-файл або вставте текст CSV.",
        errorNeedData: "CSV потребує рядка заголовків і щонайменше одного рядка даних.",
        errorEncoding: "Цей браузер не може декодувати {encoding}. Спробуйте UTF-8 або інше кодування.",
        errorClipboard: "Не вдалося скопіювати. Виділіть вихід і скопіюйте вручну.",
        errorNothingToCopy: "Поки немає JSON для копіювання.",
        errorNothingToDownload: "Поки немає JSON для завантаження."
    },
    fa: {
        documentTitle: "تبدیل CSV به JSON",
        appTitle: "2json",
        appSubtitle: "فایل‌های CSV را در مرورگر به JSON تمیز تبدیل کنید.",
        languageLabel: "زبان",
        inputTitle: "ورودی CSV",
        inputHelp: "یک فایل بارگذاری کنید یا متن CSV را بچسبانید.",
        uploadLabel: "فایل CSV",
        pasteLabel: "متن CSV",
        pastePlaceholder: "محتوای CSV را اینجا بچسبانید...",
        optionsTitle: "گزینه‌ها",
        delimiterLabel: "جداکننده",
        delimiterAuto: "تشخیص خودکار",
        delimiterComma: "ویرگول",
        delimiterSemicolon: "نقطه‌ویرگول",
        delimiterTab: "تب",
        delimiterPipe: "خط عمودی",
        encodingLabel: "کدگذاری فایل",
        shapeLabel: "شکل JSON",
        shapeObjects: "شیءها از ردیف سربرگ",
        shapeArrays: "آرایه‌ای از ردیف‌ها",
        formatLabel: "قالب‌بندی",
        pretty: "خوانا",
        compact: "فشرده",
        trimLabel: "حذف فاصله‌های ابتدا و انتها",
        emptyAsNullLabel: "تبدیل سلول‌های خالی به null",
        skipEmptyRowsLabel: "رد کردن ردیف‌های خالی",
        convert: "تبدیل",
        copy: "کپی",
        download: "دانلود",
        clear: "پاک کردن",
        sample: "نمونه",
        outputTitle: "خروجی JSON",
        outputPlaceholder: "JSON تبدیل‌شده اینجا نمایش داده می‌شود.",
        rowsMetric: "ردیف",
        columnsMetric: "ستون",
        statusReady: "آماده.",
        statusConverted: "{rows} ردیف و {columns} ستون تبدیل شد.",
        statusCopied: "در کلیپ‌بورد کپی شد.",
        statusDownloaded: "result.json دانلود شد.",
        statusCleared: "پاک شد.",
        statusSample: "CSV نمونه بارگذاری شد.",
        fileSelected: "فایل انتخاب‌شده: {name}",
        errorNoInput: "ابتدا یک فایل CSV بارگذاری کنید یا متن CSV را بچسبانید.",
        errorNeedData: "CSV به ردیف سربرگ و حداقل یک ردیف داده نیاز دارد.",
        errorEncoding: "این مرورگر نمی‌تواند {encoding} را رمزگشایی کند. UTF-8 یا کدگذاری دیگری را امتحان کنید.",
        errorClipboard: "کپی ناموفق بود. خروجی را انتخاب کرده و دستی کپی کنید.",
        errorNothingToCopy: "هنوز JSON برای کپی وجود ندارد.",
        errorNothingToDownload: "هنوز JSON برای دانلود وجود ندارد."
    },
    ur: {
        documentTitle: "CSV سے JSON کنورٹر",
        appTitle: "2json",
        appSubtitle: "CSV فائلوں کو براؤزر میں صاف JSON میں بدلیں۔",
        languageLabel: "زبان",
        inputTitle: "CSV ان پٹ",
        inputHelp: "فائل اپ لوڈ کریں یا CSV متن پیسٹ کریں۔",
        uploadLabel: "CSV فائل",
        pasteLabel: "CSV متن",
        pastePlaceholder: "CSV مواد یہاں پیسٹ کریں...",
        optionsTitle: "اختیارات",
        delimiterLabel: "حد فاصل",
        delimiterAuto: "خودکار شناخت",
        delimiterComma: "کاما",
        delimiterSemicolon: "سیمی کالن",
        delimiterTab: "ٹیب",
        delimiterPipe: "عمودی لکیر",
        encodingLabel: "فائل انکوڈنگ",
        shapeLabel: "JSON شکل",
        shapeObjects: "ہیڈر قطار سے آبجیکٹس",
        shapeArrays: "قطاروں کی ارے",
        formatLabel: "فارمیٹنگ",
        pretty: "واضح",
        compact: "مختصر",
        trimLabel: "شروع اور آخر کی خالی جگہیں ہٹائیں",
        emptyAsNullLabel: "خالی سیلز کو null بنائیں",
        skipEmptyRowsLabel: "خالی قطاریں چھوڑیں",
        convert: "تبدیل کریں",
        copy: "کاپی",
        download: "ڈاؤن لوڈ",
        clear: "صاف",
        sample: "نمونہ",
        outputTitle: "JSON آؤٹ پٹ",
        outputPlaceholder: "تبدیل شدہ JSON یہاں دکھے گا۔",
        rowsMetric: "قطاریں",
        columnsMetric: "کالم",
        statusReady: "تیار۔",
        statusConverted: "{rows} قطاریں اور {columns} کالم تبدیل ہوئے۔",
        statusCopied: "کلپ بورڈ میں کاپی ہوا۔",
        statusDownloaded: "result.json ڈاؤن لوڈ ہوا۔",
        statusCleared: "صاف کر دیا گیا۔",
        statusSample: "نمونہ CSV لوڈ ہو گیا۔",
        fileSelected: "منتخب فائل: {name}",
        errorNoInput: "پہلے CSV فائل اپ لوڈ کریں یا CSV متن پیسٹ کریں۔",
        errorNeedData: "CSV میں ہیڈر قطار اور کم از کم ایک ڈیٹا قطار چاہیے۔",
        errorEncoding: "یہ براؤزر {encoding} کو ڈی کوڈ نہیں کر سکتا۔ UTF-8 یا دوسری انکوڈنگ آزمائیں۔",
        errorClipboard: "کاپی ناکام۔ آؤٹ پٹ منتخب کر کے دستی کاپی کریں۔",
        errorNothingToCopy: "ابھی کاپی کرنے کے لیے JSON نہیں ہے۔",
        errorNothingToDownload: "ابھی ڈاؤن لوڈ کرنے کے لیے JSON نہیں ہے۔"
    },
    ms: {
        documentTitle: "Penukar CSV ke JSON",
        appTitle: "2json",
        appSubtitle: "Tukar fail CSV kepada JSON yang kemas dalam pelayar.",
        languageLabel: "Bahasa",
        inputTitle: "Input CSV",
        inputHelp: "Muat naik fail atau tampal teks CSV.",
        uploadLabel: "Fail CSV",
        pasteLabel: "Teks CSV",
        pastePlaceholder: "Tampal kandungan CSV di sini...",
        optionsTitle: "Pilihan",
        delimiterLabel: "Pemisah",
        delimiterAuto: "Kesan automatik",
        delimiterComma: "Koma",
        delimiterSemicolon: "Titik koma",
        delimiterTab: "Tab",
        delimiterPipe: "Garis menegak",
        encodingLabel: "Pengekodan fail",
        shapeLabel: "Bentuk JSON",
        shapeObjects: "Objek daripada baris pengepala",
        shapeArrays: "Tatasusunan baris",
        formatLabel: "Format",
        pretty: "Mudah dibaca",
        compact: "Padat",
        trimLabel: "Buang ruang di awal dan akhir",
        emptyAsNullLabel: "Tukar sel kosong kepada null",
        skipEmptyRowsLabel: "Langkau baris kosong",
        convert: "Tukar",
        copy: "Salin",
        download: "Muat turun",
        clear: "Kosongkan",
        sample: "Contoh",
        outputTitle: "Output JSON",
        outputPlaceholder: "JSON yang ditukar akan muncul di sini.",
        rowsMetric: "baris",
        columnsMetric: "lajur",
        statusReady: "Sedia.",
        statusConverted: "{rows} baris dan {columns} lajur ditukar.",
        statusCopied: "Disalin ke papan klip.",
        statusDownloaded: "result.json dimuat turun.",
        statusCleared: "Dikosongkan.",
        statusSample: "CSV contoh dimuatkan.",
        fileSelected: "Fail dipilih: {name}",
        errorNoInput: "Muat naik fail CSV atau tampal teks CSV dahulu.",
        errorNeedData: "CSV memerlukan baris pengepala dan sekurang-kurangnya satu baris data.",
        errorEncoding: "Pelayar ini tidak dapat menyahkod {encoding}. Cuba UTF-8 atau pengekodan lain.",
        errorClipboard: "Salinan gagal. Pilih output dan salin secara manual.",
        errorNothingToCopy: "Belum ada JSON untuk disalin.",
        errorNothingToDownload: "Belum ada JSON untuk dimuat turun."
    },
    sw: {
        documentTitle: "Kigeuzi cha CSV kwenda JSON",
        appTitle: "2json",
        appSubtitle: "Geuza faili za CSV kuwa JSON safi ndani ya kivinjari.",
        languageLabel: "Lugha",
        inputTitle: "Ingizo la CSV",
        inputHelp: "Pakia faili au bandika maandishi ya CSV.",
        uploadLabel: "Faili ya CSV",
        pasteLabel: "Maandishi ya CSV",
        pastePlaceholder: "Bandika maudhui ya CSV hapa...",
        optionsTitle: "Chaguo",
        delimiterLabel: "Kitenganishi",
        delimiterAuto: "Tambua kiotomatiki",
        delimiterComma: "Koma",
        delimiterSemicolon: "Nukta mkato",
        delimiterTab: "Tabu",
        delimiterPipe: "Mstari wima",
        encodingLabel: "Usimbaji wa faili",
        shapeLabel: "Umbo la JSON",
        shapeObjects: "Vitu kutoka safu ya vichwa",
        shapeArrays: "Orodha za safu",
        formatLabel: "Muundo",
        pretty: "Inayosomeka",
        compact: "Fupi",
        trimLabel: "Ondoa nafasi mwanzo na mwisho",
        emptyAsNullLabel: "Badili seli tupu kuwa null",
        skipEmptyRowsLabel: "Ruka safu tupu",
        convert: "Geuza",
        copy: "Nakili",
        download: "Pakua",
        clear: "Futa",
        sample: "Mfano",
        outputTitle: "Toleo la JSON",
        outputPlaceholder: "JSON iliyogeuzwa itaonekana hapa.",
        rowsMetric: "safu",
        columnsMetric: "nguzo",
        statusReady: "Tayari.",
        statusConverted: "Safu {rows} na nguzo {columns} zimegeuzwa.",
        statusCopied: "Imenakiliwa kwenye clipboard.",
        statusDownloaded: "result.json imepakuliwa.",
        statusCleared: "Imefutwa.",
        statusSample: "CSV ya mfano imepakiwa.",
        fileSelected: "Faili iliyochaguliwa: {name}",
        errorNoInput: "Pakia faili ya CSV au bandika maandishi ya CSV kwanza.",
        errorNeedData: "CSV inahitaji safu ya vichwa na angalau safu moja ya data.",
        errorEncoding: "Kivinjari hiki hakiwezi kusimbua {encoding}. Jaribu UTF-8 au usimbaji mwingine.",
        errorClipboard: "Kunakili kumeshindikana. Chagua toleo na unakili mwenyewe.",
        errorNothingToCopy: "Bado hakuna JSON ya kunakili.",
        errorNothingToDownload: "Bado hakuna JSON ya kupakua."
    }
};

let currentLanguage = DEFAULT_LANGUAGE;
let lastJson = "";

const elements = {};

document.addEventListener("DOMContentLoaded", () => {
    cacheElements();
    populateLanguageSelector();
    bindEvents();
    setLanguage(getInitialLanguage());
    setStatus(t("statusReady"), "info");
});

function cacheElements() {
    elements.languageSelect = document.getElementById("languageSelect");
    elements.fileInput = document.getElementById("csvFile");
    elements.csvText = document.getElementById("csvText");
    elements.delimiterSelect = document.getElementById("delimiterSelect");
    elements.encodingSelect = document.getElementById("encodingSelect");
    elements.shapeSelect = document.getElementById("shapeSelect");
    elements.formatSelect = document.getElementById("formatSelect");
    elements.trimFields = document.getElementById("trimFields");
    elements.emptyAsNull = document.getElementById("emptyAsNull");
    elements.skipEmptyRows = document.getElementById("skipEmptyRows");
    elements.convertBtn = document.getElementById("convertBtn");
    elements.sampleBtn = document.getElementById("sampleBtn");
    elements.clearBtn = document.getElementById("clearBtn");
    elements.copyBtn = document.getElementById("copyBtn");
    elements.downloadBtn = document.getElementById("downloadBtn");
    elements.result = document.getElementById("jsonResult");
    elements.status = document.getElementById("statusMessage");
    elements.rowCount = document.getElementById("rowCount");
    elements.columnCount = document.getElementById("columnCount");
}

function populateLanguageSelector() {
    const fragment = document.createDocumentFragment();
    LANGUAGES.forEach((language) => {
        const option = document.createElement("option");
        option.value = language.code;
        option.textContent = `${language.nativeName} - ${language.name}`;
        fragment.appendChild(option);
    });
    elements.languageSelect.appendChild(fragment);
}

function bindEvents() {
    elements.languageSelect.addEventListener("change", (event) => {
        setLanguage(event.target.value);
        saveLanguage(event.target.value);
    });
    elements.fileInput.addEventListener("change", () => {
        const file = elements.fileInput.files[0];
        if (file) {
            setStatus(format(t("fileSelected"), { name: file.name }), "info");
        }
    });
    elements.convertBtn.addEventListener("click", convertCSV);
    elements.sampleBtn.addEventListener("click", loadSample);
    elements.clearBtn.addEventListener("click", clearAll);
    elements.copyBtn.addEventListener("click", copyJSON);
    elements.downloadBtn.addEventListener("click", downloadJSON);
}

function getInitialLanguage() {
    const savedLanguage = readSavedLanguage();
    return isSupportedLanguage(savedLanguage) ? savedLanguage : DEFAULT_LANGUAGE;
}

function readSavedLanguage() {
    try {
        return window.localStorage.getItem("csv2json.language");
    } catch {
        return null;
    }
}

function saveLanguage(language) {
    try {
        window.localStorage.setItem("csv2json.language", language);
    } catch {
        // Saving the preference is optional.
    }
}

function isSupportedLanguage(language) {
    return LANGUAGES.some((item) => item.code === language);
}

function setLanguage(language) {
    currentLanguage = isSupportedLanguage(language) ? language : DEFAULT_LANGUAGE;
    document.documentElement.lang = currentLanguage;
    document.documentElement.dir = RTL_LANGUAGES.has(currentLanguage) ? "rtl" : "ltr";
    document.title = currentLanguage === DEFAULT_LANGUAGE ? t("documentTitle") : `2json - ${t("documentTitle")}`;
    elements.languageSelect.value = currentLanguage;

    document.querySelectorAll("[data-i18n]").forEach((node) => {
        const key = node.getAttribute("data-i18n");
        node.textContent = t(key);
    });

    document.querySelectorAll("[data-i18n-placeholder]").forEach((node) => {
        const key = node.getAttribute("data-i18n-placeholder");
        node.setAttribute("placeholder", t(key));
    });

    if (!lastJson) {
        elements.result.textContent = t("outputPlaceholder");
    }
}

function t(key) {
    return translations[currentLanguage]?.[key] || translations.en[key] || key;
}

function format(template, values) {
    return template.replace(/\{(\w+)\}/g, (_, key) => String(values[key] ?? ""));
}

async function convertCSV() {
    try {
        const csv = await readCSVInput();
        if (!csv.trim()) {
            throw new Error(t("errorNoInput"));
        }

        const normalized = csv.replace(/^\uFEFF/, "").replace(/\r\n/g, "\n").replace(/\r/g, "\n");
        const delimiter = getDelimiter(normalized);
        const parsedRows = parseCSV(normalized, delimiter);
        const options = getOptions();
        const rows = normalizeRows(parsedRows, options);

        if (!rows.length) {
            throw new Error(t("errorNoInput"));
        }

        const result = buildJSON(rows, options);
        lastJson = JSON.stringify(result.data, null, options.pretty ? 2 : 0);
        elements.result.textContent = lastJson;
        updateMetrics(result.rowCount, result.columnCount);
        setStatus(format(t("statusConverted"), { rows: result.rowCount, columns: result.columnCount }), "success");
    } catch (error) {
        lastJson = "";
        elements.result.textContent = t("outputPlaceholder");
        updateMetrics(0, 0);
        setStatus(error.message, "error");
    }
}

function getOptions() {
    return {
        trimFields: elements.trimFields.checked,
        emptyAsNull: elements.emptyAsNull.checked,
        skipEmptyRows: elements.skipEmptyRows.checked,
        shape: elements.shapeSelect.value,
        pretty: elements.formatSelect.value === "pretty"
    };
}

async function readCSVInput() {
    const file = elements.fileInput.files[0];
    if (!file) {
        return elements.csvText.value;
    }

    const buffer = await file.arrayBuffer();
    const encoding = elements.encodingSelect.value;
    try {
        return new TextDecoder(encoding, { fatal: false }).decode(buffer);
    } catch {
        throw new Error(format(t("errorEncoding"), { encoding }));
    }
}

function getDelimiter(text) {
    const selected = elements.delimiterSelect.value;
    if (selected === "tab") {
        return "\t";
    }
    if (selected !== "auto") {
        return selected;
    }
    return detectDelimiter(text);
}

function detectDelimiter(text) {
    const candidates = [",", ";", "\t", "|"];
    let bestDelimiter = ",";
    let bestScore = -Infinity;

    candidates.forEach((delimiter) => {
        const rows = parseCSV(text, delimiter).slice(0, 12).filter((row) => row.some((cell) => cell.trim() !== ""));
        if (!rows.length) {
            return;
        }
        const counts = rows.map((row) => row.length);
        const maxColumns = Math.max(...counts);
        const consistentRows = counts.filter((count) => count === maxColumns).length;
        const score = maxColumns * 20 + consistentRows * 4 - new Set(counts).size * 3;
        const adjustedScore = maxColumns > 1 ? score : score - 100;
        if (adjustedScore > bestScore) {
            bestScore = adjustedScore;
            bestDelimiter = delimiter;
        }
    });

    return bestDelimiter;
}

function parseCSV(text, delimiter) {
    const rows = [];
    let row = [];
    let field = "";
    let insideQuotes = false;

    for (let index = 0; index < text.length; index += 1) {
        const char = text[index];
        const next = text[index + 1];

        if (char === "\"") {
            if (insideQuotes && next === "\"") {
                field += "\"";
                index += 1;
            } else {
                insideQuotes = !insideQuotes;
            }
        } else if (char === delimiter && !insideQuotes) {
            row.push(field);
            field = "";
        } else if (char === "\n" && !insideQuotes) {
            row.push(field);
            rows.push(row);
            row = [];
            field = "";
        } else {
            field += char;
        }
    }

    row.push(field);
    rows.push(row);
    return rows;
}

function normalizeRows(rows, options) {
    const normalized = rows.map((row) => row.map((cell) => (options.trimFields ? cell.trim() : cell)));
    if (!options.skipEmptyRows) {
        return normalized;
    }
    return normalized.filter((row) => row.some((cell) => cell !== ""));
}

function buildJSON(rows, options) {
    if (options.shape === "arrays") {
        const maxColumns = rows.reduce((max, row) => Math.max(max, row.length), 0);
        return {
            data: rows.map((row) => row.map((value) => normalizeValue(value, options))),
            rowCount: rows.length,
            columnCount: maxColumns
        };
    }

    if (rows.length < 2) {
        throw new Error(t("errorNeedData"));
    }

    const maxColumns = rows.reduce((max, row) => Math.max(max, row.length), 0);
    const headers = makeUniqueHeaders(rows[0], maxColumns);
    const dataRows = rows.slice(1);

    if (!dataRows.length) {
        throw new Error(t("errorNeedData"));
    }

    const data = dataRows.map((row) => {
        const item = {};
        headers.forEach((header, index) => {
            item[header] = normalizeValue(row[index] ?? "", options);
        });
        return item;
    });

    return {
        data,
        rowCount: dataRows.length,
        columnCount: headers.length
    };
}

function makeUniqueHeaders(headerRow, maxColumns) {
    const headers = [];
    const seen = new Map();

    for (let index = 0; index < maxColumns; index += 1) {
        const rawHeader = headerRow[index] ?? "";
        const baseHeader = rawHeader || `column_${index + 1}`;
        const seenCount = seen.get(baseHeader) || 0;
        seen.set(baseHeader, seenCount + 1);
        headers.push(seenCount === 0 ? baseHeader : `${baseHeader}_${seenCount + 1}`);
    }

    return headers;
}

function normalizeValue(value, options) {
    return options.emptyAsNull && value === "" ? null : value;
}

async function copyJSON() {
    if (!lastJson) {
        setStatus(t("errorNothingToCopy"), "warning");
        return;
    }

    try {
        if (navigator.clipboard?.writeText) {
            await navigator.clipboard.writeText(lastJson);
        } else {
            fallbackCopy(lastJson);
        }
        setStatus(t("statusCopied"), "success");
    } catch {
        setStatus(t("errorClipboard"), "error");
    }
}

function fallbackCopy(text) {
    const textarea = document.createElement("textarea");
    textarea.value = text;
    textarea.setAttribute("readonly", "");
    textarea.style.position = "fixed";
    textarea.style.left = "-9999px";
    document.body.appendChild(textarea);
    textarea.select();
    const copied = document.execCommand("copy");
    textarea.remove();
    if (!copied) {
        throw new Error(t("errorClipboard"));
    }
}

function downloadJSON() {
    if (!lastJson) {
        setStatus(t("errorNothingToDownload"), "warning");
        return;
    }

    const blob = new Blob([lastJson], { type: "application/json;charset=utf-8" });
    const url = URL.createObjectURL(blob);
    const link = document.createElement("a");
    link.href = url;
    link.download = "result.json";
    document.body.appendChild(link);
    link.click();
    link.remove();
    URL.revokeObjectURL(url);
    setStatus(t("statusDownloaded"), "success");
}

function loadSample() {
    elements.fileInput.value = "";
    elements.csvText.value = [
        "name,city,language",
        "Amina,Cairo,Arabic",
        "Lina,São Paulo,Portuguese",
        "Mei,上海,中文",
        "Noor,Dubai,العربية"
    ].join("\n");
    setStatus(t("statusSample"), "success");
}

function clearAll() {
    elements.fileInput.value = "";
    elements.csvText.value = "";
    lastJson = "";
    elements.result.textContent = t("outputPlaceholder");
    updateMetrics(0, 0);
    setStatus(t("statusCleared"), "info");
}

function updateMetrics(rows, columns) {
    elements.rowCount.textContent = String(rows);
    elements.columnCount.textContent = String(columns);
}

function setStatus(message, type) {
    elements.status.textContent = message;
    elements.status.dataset.type = type;
}