"use strict";

// Translation dictionary. Add a language by adding a key here and an <option>
// to #lang-select in index.html.
const I18N = {
  ru: {
    subtitle: "веб-панель управления мостом",
    sync_now: "⟳ Синхронизировать",
    pause: "Пауза",
    resume: "Возобновить",
    tab_dashboard: "Дашборд",
    tab_feeds: "Фиды",
    tab_settings: "Настройки",

    // dashboard cards
    card_feeds: "Фидов (активно)",
    card_topics: "Топиков",
    card_sent: "Отправлено всего",
    card_history: "В истории",

    // status panel
    status: "Состояние",
    engine: "Движок",
    last_sync: "Последняя синхронизация",
    next_sync: "Следующая",
    interval: "Интервал",
    error: "Ошибка",
    test_notification: "Тестовое уведомление",
    ph_topic: "топик (напр. news)",
    ph_message: "сообщение",
    send: "Отправить",

    // log panel
    log: "Журнал",
    clear_history: "Очистить историю",

    // feeds
    feeds: "Фиды",
    add_feed: "+ Добавить фид",
    import_opml: "Импорт OPML",
    export_opml: "Экспорт OPML",
    feeds_empty: "Фидов пока нет. Нажмите «Добавить фид».",
    no_name: "(без названия)",
    priority: "приоритет",
    quiet: "тихо",
    edit: "Изменить",
    delete: "Удалить",

    // settings
    settings_global: "Глобальные настройки",
    s_ntfy_url: "ntfy сервер (URL)",
    s_ntfy_token: "ntfy токен (необязательно)",
    s_interval: "Интервал синхронизации (сек)",
    s_tz: "Часовой пояс (IANA)",
    s_batch: "Лимит новых записей за цикл",
    s_maxdesc: "Макс. длина описания",
    s_ua: "User-Agent",
    s_flood: "Флуд-защита (задержки для низкого приоритета)",
    save: "Сохранить",

    // feed modal
    feed_new: "Новый фид",
    feed_edit: "Изменить фид",
    f_name: "Название",
    f_url: "URL фида *",
    f_topic: "Топик ntfy *",
    f_priority: "Приоритет (1–5)",
    f_icon: "Иконка (URL)",
    f_quiet_hours: "Тихие часы (напр. 22-7)",
    f_quiet_priority: "Приоритет в тихие часы",
    f_include: "Include regex (показывать только совпадения)",
    f_exclude: "Exclude regex (отбрасывать совпадения)",
    f_enabled: "Включён",
    check_feed: "Проверить фид",

    // dynamic / toasts
    sync_started: "Синхронизация запущена",
    history_cleared: "История очищена",
    need_topic: "Укажите топик",
    notify_sent: "Уведомление отправлено",
    saved: "Сохранено",
    feed_deleted: "Фид удалён",
    feed_saved: "Фид сохранён",
    confirm_delete_feed: "Удалить этот фид?",
    confirm_clear_history: "Очистить историю отправленных записей? Старые записи могут прийти повторно.",
    checking: "Проверяю…",
    need_url: "Укажите URL",
    preview_ok: "OK:",
    preview_entries: "записей:",
    err_prefix: "Ошибка: ",
    no_connection: "нет связи",
    st_syncing: "синхронизация…",
    st_running: "работает",
    st_paused: "на паузе",
    pill_syncing: "● синхронизация",
    pill_running: "● работает",
    pill_paused: "‖ пауза",
    sec: "сек",
    err_suffix_sync_failed: " (ошибка)",
    import_done: "Импорт OPML: добавлено {n} из {total}",
    import_choose: "Выберите .opml файл",
  },

  en: {
    subtitle: "web control panel for the bridge",
    sync_now: "⟳ Sync now",
    pause: "Pause",
    resume: "Resume",
    tab_dashboard: "Dashboard",
    tab_feeds: "Feeds",
    tab_settings: "Settings",

    card_feeds: "Feeds (active)",
    card_topics: "Topics",
    card_sent: "Sent total",
    card_history: "In history",

    status: "Status",
    engine: "Engine",
    last_sync: "Last sync",
    next_sync: "Next",
    interval: "Interval",
    error: "Error",
    test_notification: "Test notification",
    ph_topic: "topic (e.g. news)",
    ph_message: "message",
    send: "Send",

    log: "Log",
    clear_history: "Clear history",

    feeds: "Feeds",
    add_feed: "+ Add feed",
    import_opml: "Import OPML",
    export_opml: "Export OPML",
    feeds_empty: "No feeds yet. Click \"Add feed\".",
    no_name: "(no name)",
    priority: "priority",
    quiet: "quiet",
    edit: "Edit",
    delete: "Delete",

    settings_global: "Global settings",
    s_ntfy_url: "ntfy server (URL)",
    s_ntfy_token: "ntfy token (optional)",
    s_interval: "Sync interval (sec)",
    s_tz: "Timezone (IANA)",
    s_batch: "New items per cycle limit",
    s_maxdesc: "Max description length",
    s_ua: "User-Agent",
    s_flood: "Flood protection (delay low-priority items)",
    save: "Save",

    feed_new: "New feed",
    feed_edit: "Edit feed",
    f_name: "Name",
    f_url: "Feed URL *",
    f_topic: "ntfy topic *",
    f_priority: "Priority (1–5)",
    f_icon: "Icon (URL)",
    f_quiet_hours: "Quiet hours (e.g. 22-7)",
    f_quiet_priority: "Priority during quiet hours",
    f_include: "Include regex (only matching items)",
    f_exclude: "Exclude regex (drop matching items)",
    f_enabled: "Enabled",
    check_feed: "Check feed",

    sync_started: "Sync started",
    history_cleared: "History cleared",
    need_topic: "Enter a topic",
    notify_sent: "Notification sent",
    saved: "Saved",
    feed_deleted: "Feed deleted",
    feed_saved: "Feed saved",
    confirm_delete_feed: "Delete this feed?",
    confirm_clear_history: "Clear the history of sent items? Old items may be delivered again.",
    checking: "Checking…",
    need_url: "Enter a URL",
    preview_ok: "OK:",
    preview_entries: "items:",
    err_prefix: "Error: ",
    no_connection: "no connection",
    st_syncing: "syncing…",
    st_running: "running",
    st_paused: "paused",
    pill_syncing: "● syncing",
    pill_running: "● running",
    pill_paused: "‖ paused",
    sec: "sec",
    err_suffix_sync_failed: " (error)",
    import_done: "OPML import: added {n} of {total}",
    import_choose: "Choose an .opml file",
  },
};

let LANG = localStorage.getItem("lang") || "ru";

function t(key) {
  const dict = I18N[LANG] || I18N.ru;
  return (key in dict) ? dict[key] : (I18N.ru[key] || key);
}

function locale() {
  return LANG === "ru" ? "ru-RU" : "en-US";
}

function applyI18n() {
  document.documentElement.lang = LANG;
  document.querySelectorAll("[data-i18n]").forEach((el) => {
    el.textContent = t(el.dataset.i18n);
  });
  document.querySelectorAll("[data-i18n-ph]").forEach((el) => {
    el.placeholder = t(el.dataset.i18nPh);
  });
  document.querySelectorAll("[data-i18n-title]").forEach((el) => {
    el.title = t(el.dataset.i18nTitle);
  });
  const sel = document.getElementById("lang-select");
  if (sel) sel.value = LANG;
}

function setLang(lang) {
  LANG = lang;
  localStorage.setItem("lang", lang);
  applyI18n();
}

// DOM is fully parsed (scripts sit at the end of <body>).
applyI18n();