strings.py

# SPDX-License-Identifier: GPL-2.0-only
# Copyright (C) 2026 Cyber Defense Institute, Inc.
"""
strings.py  --  SERINUS OT  UI strings (ja / en)

Usage:
    import strings
    S = strings.get("en")   # or "ja"
    S["sc_guard_title"]     # -> "Monitoring"
"""

_JA = {
    # window
    "window_title":     "SERINUS OT — PC試作",
    "frame_device":     "■ 装置イメージ",
    "frame_sim":        "■ 操作シミュレーション・開発用(実機にはこの枠は無い)",
    "frame_physical":   "物理接続(ケーブルの抜き挿しを模擬)",
    "frame_nic":        "NIC選択",

    # bottom buttons / labels
    "lbl_power":        "電源:",
    "btn_power_on":     "● ON  (押すとOFF)",
    "btn_power_off":    "○ OFF (押すとON)",
    "lbl_lan":          "LAN:",
    "btn_lan_on":       "接続中 (押すと抜線)",
    "btn_lan_off":      "切断 (押すと接続)",
    "lbl_usb":          "保守USB:",
    "btn_usb_on":       "接続中 (押すと切断)",
    "btn_usb_off":      "切断 (押すと接続)",
    "lbl_nic":          "監視NIC:",
    "nic_none":         "(Npcap未検出: NICなし)",

    # guide bar (left, center, right)
    "guide_setup":          ("──",      "──",      "学習開始"),
    "guide_guard":          ("履歴",    "──",      "メニュー"),
    "guide_sleep":          ("",        "",        ""),
    "guide_history":        ("▲",       "▼",       "ﾒﾆｭｰ/長押:切替"),
    "guide_menu":           ("▲",       "▼",       "決定"),
    "guide_learn_confirm":  ("戻る",    "──",      "長押:開始"),
    "guide_learn":          ("──",      "──",      "学習終了"),
    "guide_volume":         ("▲",       "▼",       "決定"),
    "guide_alarm":          ("【消音】", "【消音】", "【消音】"),

    # menu items
    "menu_items": ["履歴を見る", "一括登録（学習）モード", "音量設定", "戻る(監視)"],

    # SC_SETUP
    "sc_setup_title":   "未セットアップ",
    "sc_setup_msg1":    "まず一括登録を",
    "sc_setup_msg2":    "開始してください",

    # SC_GUARD
    "sc_guard_title":       "監視中",
    "sc_guard_registered":  "登録済み　{} 件",
    "sc_guard_pending":     "要確認　{} 件",
    "sc_guard_lan":         "接続",
    "sc_guard_lan_off":     "切断",
    "sc_guard_usb":         "接続",
    "sc_guard_usb_off":     "切断",
    "sc_guard_status":      "LAN: {}  USB: {}",

    # SC_HISTORY
    "sc_hist_title":    "履歴一覧　{}/{}",
    "sc_hist_empty_h":  "履歴一覧",
    "sc_hist_empty":    "記録なし",
    "st_pending":       "要確認",
    "st_registered":    "登録済み",
    "st_pending_hint":  "長押し→登録済み",
    "st_registered_hint": "長押し→要確認",
    "lbl_vendor":       "推定ベンダ　{}",
    "lbl_first":        "初　{}",
    "lbl_last":         "終　{}",
    "lbl_ip":           "IP　{}",
    "ip_unknown":       "不明",
    "prev_boot":        "前回起動時",

    # SC_MENU
    "sc_menu_title":    "メニュー",

    # SC_LEARN_CONFIRM
    "sc_lc_title":  "学習モード確認",
    "sc_lc_msg1":   "全データを消去して",
    "sc_lc_msg2":   "学習モードを開始します。",
    "sc_lc_start":  "Rボタン長押しで開始",
    "sc_lc_back":   "Lボタンで戻る",

    # SC_LEARN
    "sc_learn_title":   "学習中...",
    "sc_learn_count":   "検知中: {} 台を登録",
    "sc_learn_remain":  "残り {:02d}:{:02d}",
    "sc_learn_end":     "Rボタン: 学習終了",

    # SC_VOLUME
    "sc_vol_title":     "音量設定",
    "volume_labels":    ["大", "中", "小", "ミュート"],

    # SC_ALARM
    "sc_alarm_title":   "【警告】未知MAC検知",
    "sc_alarm_count":   "未知端末　{} 台検知",
    "sc_alarm_others":  "(他 {} 件も要確認)",

    # mute icon
    "mute_icon":        "×消音",

    # dimension caption
    "dim_caption":      "約 65 mm (DRC7ケース)",
    "dim_detail":       "上面: RJ45  右側面: USB-C  ボタン: 灰×2(左/中)・赤×1(右)",
}

_EN = {
    # Window
    "window_title":     "SERINUS OT — PC Prototype",
    "frame_device":     "■ Device Image",
    "frame_sim":        "■ Simulation / Debug Panel (not on real device)",
    "frame_physical":   "Physical Connections (cable simulation)",
    "frame_nic":        "NIC Selection",

    # Lower panel buttons / labels
    "lbl_power":        "Power:",
    "btn_power_on":     "● ON  (click: OFF)",
    "btn_power_off":    "○ OFF (click: ON)",
    "lbl_lan":          "LAN:",
    "btn_lan_on":       "Connected (click: unplug)",
    "btn_lan_off":      "Disconnected (click: plug)",
    "lbl_usb":          "Maint. USB:",
    "btn_usb_on":       "Connected (click: unplug)",
    "btn_usb_off":      "Disconnected (click: plug)",
    "lbl_nic":          "Monitor NIC:",
    "nic_none":         "(Npcap not found: no NIC)",

    # Guide bar (L, M, R)
    "guide_setup":          ("──",     "──",     "Learn"),
    "guide_guard":          ("History","──",     "Menu"),
    "guide_sleep":          ("",       "",       ""),
    "guide_history":        ("▲",      "▼",      "Menu/Hold:Toggle"),
    "guide_menu":           ("▲",      "▼",      "Select"),
    "guide_learn_confirm":  ("Back",   "──",     "Hold:Start"),
    "guide_learn":          ("──",     "──",     "End Learn"),
    "guide_volume":         ("▲",      "▼",      "Save"),
    "guide_alarm":          ("[Mute]", "[Mute]", "[Mute]"),

    # Menu items
    "menu_items": ["View History", "Bulk Register (Learn)", "Volume", "Back (Monitor)"],

    # SC_SETUP
    "sc_setup_title":   "Not Configured",
    "sc_setup_msg1":    "Start bulk registration",
    "sc_setup_msg2":    "to begin monitoring",

    # SC_GUARD
    "sc_guard_title":       "Monitoring",
    "sc_guard_registered":  "Registered: {}",
    "sc_guard_pending":     "Pending:    {}",
    "sc_guard_lan":         "ON",
    "sc_guard_lan_off":     "OFF",
    "sc_guard_usb":         "ON",
    "sc_guard_usb_off":     "OFF",
    "sc_guard_status":      "LAN: {}  USB: {}",

    # SC_HISTORY
    "sc_hist_title":    "History {}/{}",
    "sc_hist_empty_h":  "History",
    "sc_hist_empty":    "No records",
    "st_pending":       "Pending",
    "st_registered":    "Registered",
    "st_pending_hint":  "Hold→Registered",
    "st_registered_hint": "Hold→Pending",
    "lbl_vendor":       "Vendor: {}",
    "lbl_first":        "First: {}",
    "lbl_last":         "Last:  {}",
    "lbl_ip":           "IP: {}",
    "ip_unknown":       "Unknown",
    "prev_boot":        "Prev. boot",

    # SC_MENU
    "sc_menu_title":    "Menu",

    # SC_LEARN_CONFIRM
    "sc_lc_title":  "Confirm Learning",
    "sc_lc_msg1":   "All data will be cleared",
    "sc_lc_msg2":   "and learning will start.",
    "sc_lc_start":  "Hold R to start",
    "sc_lc_back":   "L to go back",

    # SC_LEARN
    "sc_learn_title":   "Learning...",
    "sc_learn_count":   "Registered: {} device(s)",
    "sc_learn_remain":  "Remaining {:02d}:{:02d}",
    "sc_learn_end":     "R: End learning",

    # SC_VOLUME
    "sc_vol_title":     "Volume",
    "volume_labels":    ["High", "Mid", "Low", "Mute"],

    # SC_ALARM
    "sc_alarm_title":   "[ALERT] Unknown MAC",
    "sc_alarm_count":   "{} unknown device(s)",
    "sc_alarm_others":  "({} more pending)",

    # Mute icon
    "mute_icon":        "×MUTE",

    # Dimension caption
    "dim_caption":      "approx. 65 mm (DRC7 case)",
    "dim_detail":       "Top: RJ45  Right: USB-C  Buttons: gray×2(L/M) · red×1(R)",
}

_LANGS = {"ja": _JA, "en": _EN}


def get(lang="ja"):
    return _LANGS.get(lang, _JA)


def fmt_rel(ts, now, session_start, lang="ja"):
    """Locale-aware relative time string (replaces engine.relative_time for display)."""
    if session_start > 0 and ts < session_start:
        return _LANGS.get(lang, _JA)["prev_boot"]
    diff = max(0, int(now - ts))
    if lang == "en":
        if diff < 60:
            return "just now"
        m = diff // 60
        if m < 60:
            return f"~{m} min ago"
        return f"~{m // 60} hr ago"
    else:
        if diff < 60:
            return "0分前"
        m = diff // 60
        if m < 60:
            return f"約{m}分前"
        return f"約{m // 60}時間前"


def localize_oui(text, lang):
    """Translate Japanese OUI category words embedded in oui.describe() output."""
    if lang != "en":
        return text
    return (text
            .replace("OT機器", "OT Device")
            .replace("ネットワーク機器", "Network Device")
            .replace("自動生成MAC", "Random MAC")
            .replace("不明", "Unknown"))


_STATE_EN = {"要確認": "Pending", "登録済み": "Registered"}
_CAT_EN   = {
    "OT機器":       "OT Device",
    "PC":           "PC",
    "ネットワーク機器": "Network Device",
    "自動生成MAC":   "Random MAC",
    "不明":         "Unknown",
}


def translate_state(state, lang):
    """Translate internal state string for CSV output."""
    if lang != "en":
        return state
    return _STATE_EN.get(state, state)


def translate_category(cat, lang):
    """Translate OUI category string for CSV output."""
    if lang != "en":
        return cat
    return _CAT_EN.get(cat, cat)