# -*- coding: utf-8 -*-
"""
Arabic Telegram Group Management Bot
Telethon (MTProto) + MongoDB (Motor) - single file.

Environment variables: API_ID, API_HASH, BOT_TOKEN, MONGO_URI
"""

import asyncio
import html
import io
import logging
import os
import re
import sys
import time
from collections import deque
from datetime import datetime, timedelta, timezone
from typing import Any, Dict, List, Optional, Tuple

from motor.motor_asyncio import AsyncIOMotorClient
from pymongo import ASCENDING, ReturnDocument
from telethon import Button, TelegramClient, errors, events, types
from telethon.sessions import StringSession

logging.basicConfig(
    format="%(asctime)s %(levelname)s %(name)s: %(message)s",
    level=logging.INFO,
)
logging.getLogger("telethon").setLevel(logging.WARNING)
logging.getLogger("pymongo").setLevel(logging.WARNING)
log = logging.getLogger("groupbot")

RPCError = errors.RPCError
FloodWaitError = errors.FloodWaitError

# ============================================================================
# Helpers
# ============================================================================

_DIAC = re.compile("[\u064B-\u065F\u0670\u0640]")
_DIGITS = str.maketrans(
    "\u0660\u0661\u0662\u0663\u0664\u0665\u0666\u0667\u0668\u0669"
    "\u06F0\u06F1\u06F2\u06F3\u06F4\u06F5\u06F6\u06F7\u06F8\u06F9",
    "01234567890123456789",
)
USERNAME_RE = re.compile(r"^[a-z][a-z0-9_]{3,31}$")


def norm(s: Optional[str]) -> str:
    """Normalize Arabic text so small spelling differences do not matter."""
    s = _DIAC.sub("", s or "").translate(_DIGITS)
    s = (
        s.replace("\u0623", "\u0627")
        .replace("\u0625", "\u0627")
        .replace("\u0622", "\u0627")
        .replace("\u0649", "\u064A")
        .replace("\u0629", "\u0647")
    )
    return re.sub(r"\s+", " ", s).strip().lower()


def esc(s: Optional[str]) -> str:
    return html.escape(s or "", quote=False)


def join_limited(lines: List[str], limit: int = 3500) -> str:
    out, size = [], 0
    for ln in lines:
        if size + len(ln) + 1 > limit:
            out.append("...")
            break
        out.append(ln)
        size += len(ln) + 1
    return "\n".join(out)


def display_name(u: Any) -> str:
    if isinstance(u, types.User):
        if u.deleted:
            return "حساب محذوف"
        n = " ".join(x for x in (u.first_name, u.last_name) if x)
        return n or "بدون اسم"
    return "مستخدم"


def mention(user_id: int, name: str) -> str:
    return '<a href="tg://user?id=%d">%s</a>' % (user_id, esc(name))


def err_text(e: BaseException) -> str:
    if isinstance(e, FloodWaitError):
        return "الرجاء المحاولة بعد %d ثانية." % int(getattr(e, "seconds", 5))
    m = (getattr(e, "message", "") or str(e)).upper()
    if "USER_ADMIN_INVALID" in m:
        return "لا يمكن تنفيذ الأمر على هذا المشرف."
    if "USER_CREATOR" in m:
        return "لا يمكن تنفيذ الأمر على مالك المجموعة."
    if any(x in m for x in ("CHAT_ADMIN_REQUIRED", "RIGHT_FORBIDDEN", "CHAT_WRITE_FORBIDDEN",
                            "CHAT_ADMIN_INVITE_REQUIRED", "MESSAGE_DELETE_FORBIDDEN")):
        return "ليس لدي صلاحية كافية لتنفيذ هذا الأمر."
    if "USER_NOT_PARTICIPANT" in m:
        return "العضو ليس في المجموعة."
    if any(x in m for x in ("PARTICIPANT_ID_INVALID", "USER_ID_INVALID", "PEER_ID_INVALID")):
        return "لم أتمكن من العثور على هذا الحساب."
    if "USERNAME_NOT_OCCUPIED" in m or "USERNAME_INVALID" in m:
        return "اليوزر غير صحيح أو غير موجود."
    if "MESSAGE_ID_INVALID" in m:
        return "الرسالة غير موجودة."
    if "BOT_METHOD_INVALID" in m:
        return "هذه العملية غير متاحة للبوتات."
    return "حدث خطأ أثناء تنفيذ الأمر."


# Rough (id -> date) checkpoints, used only for an approximate estimate.
_ID_POINTS = [
    (2768409, "2013-11-01"), (7679610, "2013-12-31"), (11538514, "2014-02-01"),
    (15835244, "2014-02-21"), (23646077, "2014-02-27"), (38015510, "2014-03-01"),
    (44634663, "2014-05-06"), (46145305, "2014-05-27"), (54845238, "2014-09-21"),
    (63263518, "2014-10-28"), (101260938, "2015-03-06"), (122600695, "2015-07-25"),
    (143445125, "2015-12-01"), (171295414, "2016-03-09"), (222021233, "2016-06-07"),
    (278941742, "2016-09-10"), (328594461, "2016-12-20"), (352940995, "2017-02-20"),
    (400169472, "2017-07-31"), (616816630, "2018-06-22"), (727572658, "2018-12-02"),
]
_ID_POINTS = [(i, datetime.strptime(d, "%Y-%m-%d")) for i, d in _ID_POINTS]


def estimate_creation(uid: int) -> Optional[str]:
    """Approximate account creation month from the numeric ID (estimate only)."""
    if uid < _ID_POINTS[0][0] or uid > _ID_POINTS[-1][0]:
        return None
    for (i1, d1), (i2, d2) in zip(_ID_POINTS, _ID_POINTS[1:]):
        if i1 <= uid <= i2:
            frac = (uid - i1) / float(i2 - i1)
            dt = d1 + (d2 - d1) * frac
            return dt.strftime("%Y/%m")
    return None


# ============================================================================
# Commands / constants
# ============================================================================

CMD_RAW = {
    "طرد": "kick", "حظر": "ban", "فك الحظر": "unban", "الغاء الحظر": "unban",
    "كتم": "mute", "فك الكتم": "unmute", "الغاء الكتم": "unmute",
    "تقييد": "restrict", "فك التقييد": "unrestrict", "الغاء التقييد": "unrestrict",
    "تحذير": "warn", "رفع تحذير": "unwarn", "تحذيرات": "warns",
    "مسح التحذيرات": "clearwarns",
    "كشف": "kash", "ايدي": "id",
    "قفل": "lock", "فتح": "unlock", "تفعيل": "enable", "تعطيل": "disable",
    "الاوامر": "menu", "الاعدادات": "settings",
    "اضف كلمة": "addword", "مسح كلمة": "delword", "الكلمات الممنوعة": "words",
    "مسح": "delete", "تثبيت": "pin", "الغاء التثبيت": "unpin",
    "اضف رد": "addreply", "مسح رد": "delreply", "تعديل رد": "editreply", "الردود": "replies",
    "اضف امر": "addcmd", "مسح امر": "delcmd", "تعديل امر": "editcmd",
    "الاوامر المخصصة": "cmds",
    "عقوبة": "rule", "العقوبات": "rules",
    "ضبط التكرار": "setspam", "ضبط الكتم": "setmute",
}
CMD = {norm(k): v for k, v in CMD_RAW.items()}
CMD_NAMES = sorted(CMD.keys(), key=len, reverse=True)

MOD_CMDS = {"kick", "ban", "unban", "mute", "unmute", "restrict", "unrestrict"}
DONE_TEXT = {
    "kick": "تم طرد العضو.", "ban": "تم حظر العضو.", "unban": "تم فك حظر العضو.",
    "mute": "تم كتم العضو.", "unmute": "تم فك كتم العضو.",
    "restrict": "تم تقييد العضو.", "unrestrict": "تم فك تقييد العضو.",
}
ACTION_AR = {"none": "بدون", "mute": "كتم", "restrict": "تقييد", "kick": "طرد", "ban": "حظر"}
ACTION_CYCLE = ["none", "mute", "restrict", "kick", "ban"]
ACTION_FROM_AR = {norm(v): k for k, v in ACTION_AR.items()}
ACTION_FROM_AR[norm("تحذير")] = "none"

RIGHT_AR = {
    "ban_users": "حظر وتقييد الأعضاء",
    "delete_messages": "حذف الرسائل",
    "pin_messages": "تثبيت الرسائل",
}

_LOCK_ALIASES_RAW = {
    "id": ["ايدي", "الايدي"],
    "kash": ["كشف", "الكشف"],
    "links": ["الروابط", "روابط", "الرابط"],
    "spam": ["التكرار", "تكرار", "السبام", "الفلود"],
    "words": ["الكلمات", "كلمات", "الكلمات الممنوعة"],
    "warn": ["التحذير", "تحذير", "التحذيرات", "التحذير التلقائي"],
}
LOCK_ALIAS = {norm(a): k for k, vs in _LOCK_ALIASES_RAW.items() for a in vs}
LOCK_NAME_AR = {
    "id": "ايدي", "kash": "كشف", "links": "الروابط",
    "spam": "حماية التكرار", "words": "الكلمات الممنوعة",
}


def parse_command(text: str) -> Tuple[Optional[str], str]:
    t = norm(text)
    if not t:
        return None, ""
    for name in CMD_NAMES:
        if t == name:
            return CMD[name], ""
        if t.startswith(name + " "):
            return CMD[name], t[len(name) + 1:].strip()
    return None, ""


def default_group() -> Dict[str, Any]:
    return {
        "autowarn": True,
        "locks": ["kash", "spam", "words"],
        "banned_words": [],
        "warn_rules": {"3": "mute", "4": "ban"},
        "spam_count": 6,
        "spam_seconds": 5,
        "mute_minutes": 60,
    }


# ============================================================================
# Database
# ============================================================================

class Database:
    def __init__(self, uri: str):
        self.client = AsyncIOMotorClient(uri, serverSelectionTimeoutMS=15000)
        self.db = self.client["telegram_group_bot"]
        self.groups = self.db["groups"]
        self.warns = self.db["warns"]
        self.customs = self.db["customs"]
        self.users = self.db["users"]
        self._groups: Dict[int, Dict[str, Any]] = {}
        self._customs: Dict[int, Dict[Tuple[str, str], Dict[str, Any]]] = {}
        self._seen: Dict[int, float] = {}

    async def init(self) -> None:
        await self.client.admin.command("ping")
        await self.warns.create_index(
            [("chat_id", ASCENDING), ("user_id", ASCENDING)], unique=True)
        await self.customs.create_index(
            [("chat_id", ASCENDING), ("kind", ASCENDING), ("name", ASCENDING)], unique=True)
        await self.users.create_index("username")

    # ---- group settings
    async def group(self, chat_id: int) -> Dict[str, Any]:
        g = self._groups.get(chat_id)
        if g is None:
            doc = await self.groups.find_one({"_id": chat_id}) or {}
            g = default_group()
            for k in list(g.keys()):
                if k in doc:
                    g[k] = doc[k]
            self._groups[chat_id] = g
        return g

    async def set_group(self, chat_id: int, **fields: Any) -> None:
        g = await self.group(chat_id)
        await self.groups.update_one({"_id": chat_id}, {"$set": fields}, upsert=True)
        g.update(fields)

    # ---- warnings
    async def warn_count(self, chat_id: int, user_id: int) -> int:
        doc = await self.warns.find_one({"chat_id": chat_id, "user_id": user_id})
        return int(doc["count"]) if doc else 0

    async def add_warn(self, chat_id: int, user_id: int) -> int:
        doc = await self.warns.find_one_and_update(
            {"chat_id": chat_id, "user_id": user_id},
            {"$inc": {"count": 1}},
            upsert=True,
            return_document=ReturnDocument.AFTER,
        )
        return int(doc["count"])

    async def remove_warn(self, chat_id: int, user_id: int) -> Optional[int]:
        doc = await self.warns.find_one_and_update(
            {"chat_id": chat_id, "user_id": user_id, "count": {"$gt": 0}},
            {"$inc": {"count": -1}},
            return_document=ReturnDocument.AFTER,
        )
        return int(doc["count"]) if doc else None

    async def clear_warns(self, chat_id: int, user_id: int) -> None:
        await self.warns.delete_one({"chat_id": chat_id, "user_id": user_id})

    # ---- custom replies / commands
    async def customs_of(self, chat_id: int) -> Dict[Tuple[str, str], Dict[str, Any]]:
        d = self._customs.get(chat_id)
        if d is None:
            d = {}
            async for doc in self.customs.find({"chat_id": chat_id}):
                d[(doc["kind"], doc["name"])] = doc
            self._customs[chat_id] = d
        return d

    async def save_custom(self, chat_id: int, kind: str, name: str,
                          text: str, src_msg: Optional[int]) -> None:
        doc = {"chat_id": chat_id, "kind": kind, "name": name,
               "text": text, "src_msg": src_msg}
        await self.customs.update_one(
            {"chat_id": chat_id, "kind": kind, "name": name},
            {"$set": doc}, upsert=True)
        (await self.customs_of(chat_id))[(kind, name)] = doc

    async def delete_custom(self, chat_id: int, kind: str, name: str) -> bool:
        res = await self.customs.delete_one({"chat_id": chat_id, "kind": kind, "name": name})
        (await self.customs_of(chat_id)).pop((kind, name), None)
        return res.deleted_count > 0

    # ---- known users (access hashes, so IDs / usernames can be resolved)
    async def remember_user(self, user: Any) -> None:
        try:
            if not isinstance(user, types.User) or not user.access_hash:
                return
            now = time.monotonic()
            if now - self._seen.get(user.id, 0) < 600:
                return
            if len(self._seen) > 50000:
                self._seen.clear()
            self._seen[user.id] = now
            await self.users.update_one(
                {"_id": user.id},
                {"$set": {"hash": user.access_hash,
                          "username": (user.username or "").lower(),
                          "name": display_name(user)}},
                upsert=True)
        except Exception:
            log.debug("remember_user failed", exc_info=True)

    async def user_by_id(self, uid: int) -> Optional[Dict[str, Any]]:
        return await self.users.find_one({"_id": uid})

    async def user_by_username(self, uname: str) -> Optional[Dict[str, Any]]:
        return await self.users.find_one({"username": uname.lower()})


# ============================================================================
# Permissions
# ============================================================================

_RIGHT_KEYS = ("ban_users", "delete_messages", "pin_messages",
               "add_admins", "change_info", "invite_users")
_RANK_KEYS = ("change_info", "delete_messages", "ban_users", "invite_users",
              "pin_messages", "add_admins", "manage_call", "other", "manage_topics")


class Info:
    __slots__ = ("user_id", "known", "is_admin", "is_creator", "rank", "rights")

    def __init__(self, user_id: int):
        self.user_id = user_id
        self.known = True
        self.is_admin = False
        self.is_creator = False
        self.rank = 0
        self.rights: Dict[str, bool] = {}

    def has(self, right: str) -> bool:
        return bool(self.is_creator or (self.is_admin and self.rights.get(right)))

    @property
    def role(self) -> str:
        if self.is_creator:
            return "مالك"
        if self.is_admin:
            return "مشرف"
        return "عضو"


class Permissions:
    TTL = 20

    def __init__(self, client: TelegramClient):
        self.client = client
        self.me_id = 0
        self._cache: Dict[Tuple[int, int], Tuple[float, Info]] = {}

    async def info(self, chat_id: int, peer: Any, user_id: int) -> Info:
        key = (chat_id, user_id)
        now = time.monotonic()
        hit = self._cache.get(key)
        if hit and now - hit[0] < self.TTL:
            return hit[1]
        inf = Info(user_id)
        try:
            p = await self.client.get_permissions(chat_id, peer)
            inf.is_creator = bool(p.is_creator)
            inf.is_admin = bool(p.is_admin)
            if inf.is_admin:
                for k in _RIGHT_KEYS:
                    inf.rights[k] = bool(getattr(p, k, False))
                if inf.is_creator:
                    inf.rank = 1000
                else:
                    r = getattr(p.participant, "admin_rights", None)
                    inf.rank = 1 + sum(1 for k in _RANK_KEYS if getattr(r, k, False))
        except RPCError as e:
            if "USER_NOT_PARTICIPANT" not in (getattr(e, "message", "") or "").upper():
                inf.known = False
                log.debug("permissions lookup failed: %s", getattr(e, "message", e))
        except (ValueError, TypeError):
            inf.known = False
        if len(self._cache) > 5000:
            self._cache.clear()
        self._cache[key] = (now, inf)
        return inf

    async def bot_info(self, chat_id: int) -> Info:
        return await self.info(chat_id, None, self.me_id)


# ============================================================================
# Target resolving (Reply / @username / ID)
# ============================================================================

class Target:
    __slots__ = ("id", "peer", "user")

    def __init__(self, user_id: int, peer: Any, user: Optional[types.User] = None):
        self.id = user_id
        self.peer = peer
        self.user = user

    @property
    def name(self) -> str:
        return display_name(self.user) if self.user else str(self.id)


class Resolver:
    def __init__(self, client: TelegramClient, db: Database):
        self.client = client
        self.db = db

    async def _from_record(self, rec: Optional[Dict[str, Any]]) -> Optional[types.User]:
        if not rec:
            return None
        try:
            ent = await self.client.get_entity(types.InputPeerUser(rec["_id"], rec["hash"]))
            return ent if isinstance(ent, types.User) else None
        except Exception:
            return None

    async def resolve(self, event: Any, arg: str) -> Tuple[Optional[Target], Optional[str]]:
        msg = event.message
        if msg.is_reply:
            rm = await msg.get_reply_message()
            if rm is not None:
                user = await rm.get_sender()
                if isinstance(user, types.User):
                    return Target(user.id, user, user), None
                return None, "لا يمكن تحديد صاحب الرسالة المردود عليها."
        token = arg.split()[0] if arg else ""
        if not token:
            return None, "رد على رسالة العضو، أو اكتب @username أو ID."
        if token.startswith("@"):
            uname = token[1:]
            if not USERNAME_RE.match(uname):
                return None, "اليوزر غير صحيح."
            ent: Any = None
            try:
                ent = await self.client.get_entity(uname)
            except Exception:
                ent = None
            if not isinstance(ent, types.User):
                ent = await self._from_record(await self.db.user_by_username(uname))
            if not isinstance(ent, types.User):
                return None, "لم أجد حساباً بهذا اليوزر."
            return Target(ent.id, ent, ent), None
        if token.isdigit() and 0 < int(token) < 2 ** 52:
            uid = int(token)
            ent = await self._from_record(await self.db.user_by_id(uid))
            if ent is None:
                try:
                    got = await self.client.get_entity(uid)
                    ent = got if isinstance(got, types.User) else None
                except Exception:
                    ent = None
            if ent is None:
                return None, "لم أتمكن من العثور على الحساب. يجب أن يكون قد تفاعل في المجموعة."
            return Target(ent.id, ent, ent), None
        return None, "الصيغة غير صحيحة. استخدم @username أو ID أو الرد على رسالة."


# ============================================================================
# Moderation & Warnings
# ============================================================================

class Moderation:
    def __init__(self, client: TelegramClient):
        self.client = client

    async def do(self, chat_id: int, peer: Any, kind: str, minutes: int = 0) -> None:
        c = self.client
        until = None
        if minutes and minutes > 0 and kind in ("mute", "restrict"):
            until = datetime.now(timezone.utc) + timedelta(minutes=minutes)
        if kind == "kick":
            await c.kick_participant(chat_id, peer)
        elif kind == "ban":
            await c.edit_permissions(chat_id, peer, view_messages=False)
        elif kind in ("unban", "unmute", "unrestrict"):
            await c.edit_permissions(chat_id, peer)
        elif kind == "mute":
            await c.edit_permissions(chat_id, peer, until_date=until, send_messages=False)
        elif kind == "restrict":
            await c.edit_permissions(
                chat_id, peer, until_date=until,
                send_media=False, send_stickers=False, send_gifs=False,
                send_games=False, send_inline=False, embed_link_previews=False,
                send_polls=False)
        else:
            raise ValueError("unknown action")


class Warnings:
    def __init__(self, db: Database, moderation: Moderation):
        self.db = db
        self.moderation = moderation

    @staticmethod
    def rule_for(rules: Dict[str, str], count: int) -> str:
        act = rules.get(str(count))
        if act is None:
            keys = [int(k) for k in rules if str(k).isdigit()]
            if keys and count > max(keys):
                act = rules.get(str(max(keys)))
        return act if act in ACTION_AR else "none"

    async def enforce(self, chat_id: int, target: Target, count: int,
                      reason: Optional[str] = None) -> str:
        g = await self.db.group(chat_id)
        action = self.rule_for(g["warn_rules"], count)
        text = "⚠️ %s — تحذير (%d)" % (mention(target.id, target.name), count)
        if reason:
            text += "\nالسبب: " + esc(reason)
        if action != "none":
            try:
                await self.moderation.do(chat_id, target.peer, action, int(g["mute_minutes"]))
                text += "\n" + DONE_TEXT[action]
                if action in ("ban", "kick"):
                    await self.db.clear_warns(chat_id, target.id)
            except RPCError as e:
                text += "\n" + err_text(e)
            except ValueError:
                text += "\nتعذر تنفيذ العقوبة."
        return text

    @staticmethod
    def rules_text(g: Dict[str, Any]) -> str:
        rules = g["warn_rules"]
        lines = ["<b>عقوبات التحذيرات:</b>"]
        for n in range(1, 6):
            lines.append("تحذير %d ← %s" % (n, ACTION_AR.get(rules.get(str(n), "none"), "بدون")))
        extra = sorted(int(k) for k in rules if str(k).isdigit() and int(k) > 5)
        for n in extra:
            lines.append("تحذير %d ← %s" % (n, ACTION_AR.get(rules[str(n)], "بدون")))
        return "\n".join(lines)


# ============================================================================
# Protection (links / banned words / flood)
# ============================================================================

LINK_RE = re.compile(
    r"(https?://|www\.|t\.me/|telegram\.me/|telegram\.dog/|tg://|telegra\.ph/|"
    r"(?<![a-z0-9-])[a-z0-9][a-z0-9-]{1,}\.(?:com|net|org|io|me|co|info|xyz|ly|gl|gg|tk|ml|ga|cf|"
    r"top|club|site|online|shop|store|app|dev|link|live|tv|cc|ru|ir|sa|ae|eg|iq|sy|ps|jo|kw|qa|ma|dz|tn)"
    r"(?![a-z0-9]))",
    re.IGNORECASE,
)


class Flood:
    def __init__(self) -> None:
        self.h: Dict[Tuple[int, int], deque] = {}

    def hit(self, chat: int, user: int, msg_id: int, count: int, seconds: int) -> Optional[List[int]]:
        now = time.monotonic()
        dq = self.h.get((chat, user))
        if dq is None:
            dq = self.h[(chat, user)] = deque(maxlen=100)
        dq.append((now, msg_id))
        while dq and now - dq[0][0] > seconds:
            dq.popleft()
        if len(dq) >= count:
            ids = [m for _, m in dq]
            dq.clear()
            return ids
        return None

    def purge(self) -> None:
        now = time.monotonic()
        for k in [k for k, dq in self.h.items() if not dq or now - dq[-1][0] > 120]:
            self.h.pop(k, None)


class Protection:
    def __init__(self, client: TelegramClient, db: Database, perms: Permissions,
                 warnings: Warnings, say: Any):
        self.client = client
        self.db = db
        self.perms = perms
        self.warnings = warnings
        self.say = say
        self.flood = Flood()

    @staticmethod
    def has_link(msg: Any) -> bool:
        for ent in (msg.entities or []):
            if isinstance(ent, (types.MessageEntityUrl, types.MessageEntityTextUrl)):
                return True
        return bool(LINK_RE.search(msg.raw_text or ""))

    @staticmethod
    def find_word(text: str, words: List[str]) -> Optional[str]:
        t = norm(text)
        if not t:
            return None
        for w in words:
            if w and w in t:
                return w
        return None

    async def check(self, event: Any, group: Dict[str, Any], sender: Any) -> bool:
        """Returns True if the message was handled as a violation."""
        if not isinstance(sender, types.User) or sender.bot:
            return False
        chat, uid, msg = event.chat_id, event.sender_id, event.message
        locks = group["locks"]
        reason: Optional[str] = None
        ids: Optional[List[int]] = None
        if "spam" in locks:
            ids = self.flood.hit(chat, uid, msg.id, int(group["spam_count"]), int(group["spam_seconds"]))
            if ids:
                reason = "إرسال رسائل بسرعة"
        if not reason and "links" in locks and self.has_link(msg):
            reason, ids = "إرسال رابط", [msg.id]
        if not reason and "words" in locks and group["banned_words"]:
            if self.find_word(msg.raw_text or "", group["banned_words"]):
                reason, ids = "كلمة ممنوعة", [msg.id]
        if not reason or not ids:
            return False
        try:
            peer = await event.get_input_sender()
        except Exception:
            peer = uid
        info = await self.perms.info(chat, peer, uid)
        if not info.known or info.is_admin:
            return False
        try:
            await self.client.delete_messages(chat, ids)
        except RPCError as e:
            log.debug("delete failed in %s: %s", chat, getattr(e, "message", e))
        if group["autowarn"]:
            count = await self.db.add_warn(chat, uid)
            text = await self.warnings.enforce(chat, Target(uid, sender, sender), count, reason)
            await self.say(event, text)
        return True


# ============================================================================
# Custom replies / commands
# ============================================================================

KIND_AR = {"reply": "الرد", "command": "الأمر"}


class Customs:
    def __init__(self, client: TelegramClient, db: Database, say: Any):
        self.client = client
        self.db = db
        self.say = say
        self.pending: Dict[Tuple[int, int], Dict[str, Any]] = {}

    @staticmethod
    def content_of(msg: Any) -> Tuple[str, Optional[int]]:
        text = (msg.text or "").strip()
        src = None
        if msg.media and not isinstance(msg.media, types.MessageMediaWebPage):
            src = msg.id
        return text[:3500], src

    async def begin(self, event: Any, kind: str, name: str, edit: bool) -> None:
        chat, uid = event.chat_id, event.sender_id
        if not name:
            await self.say(event, "اكتب الاسم بعد الأمر.")
            return
        if len(name) > 60:
            await self.say(event, "الاسم طويل جداً.")
            return
        if kind == "command" and parse_command(name)[0]:
            await self.say(event, "هذا الاسم محجوز لأمر آخر.")
            return
        items = await self.db.customs_of(chat)
        exists = (kind, name) in items
        if edit and not exists:
            await self.say(event, "%s غير موجود." % KIND_AR[kind])
            return
        if not edit and exists:
            await self.say(event, "%s موجود مسبقاً، استخدم أمر التعديل." % KIND_AR[kind])
            return
        if not edit and sum(1 for k in items if k[0] == kind) >= 200:
            await self.say(event, "وصلت للحد الأقصى.")
            return
        msg = event.message
        text, src = "", None
        if msg.is_reply:
            rm = await msg.get_reply_message()
            if rm is not None:
                text, src = self.content_of(rm)
        if not text and not src:
            parts = (msg.raw_text or "").split("\n", 1)
            if len(parts) > 1 and parts[1].strip():
                text = esc(parts[1].strip())[:3500]
        if text or src:
            await self.db.save_custom(chat, kind, name, text, src)
            await self.say(event, "تم حفظ %s." % KIND_AR[kind])
            return
        self.pending[(chat, uid)] = {"kind": kind, "name": name, "exp": time.time() + 180}
        await self.say(event, "أرسل الآن محتوى %s، أو اكتب الغاء." % KIND_AR[kind])

    async def capture(self, event: Any) -> bool:
        if not self.pending:
            return False
        key = (event.chat_id, event.sender_id)
        p = self.pending.get(key)
        if not p:
            return False
        if time.time() > p["exp"]:
            self.pending.pop(key, None)
            return False
        first = (event.message.raw_text or "").split("\n", 1)[0]
        if norm(first) == "الغاء":
            self.pending.pop(key, None)
            await self.say(event, "تم الإلغاء.")
            return True
        text, src = self.content_of(event.message)
        if not text and not src:
            return False
        self.pending.pop(key, None)
        await self.db.save_custom(event.chat_id, p["kind"], p["name"], text, src)
        await self.say(event, "تم حفظ %s." % KIND_AR[p["kind"]])
        return True

    async def delete(self, event: Any, kind: str, name: str) -> None:
        if not name:
            await self.say(event, "اكتب الاسم بعد الأمر.")
            return
        ok = await self.db.delete_custom(event.chat_id, kind, name)
        await self.say(event, "تم حذف %s." % KIND_AR[kind] if ok else "%s غير موجود." % KIND_AR[kind])

    async def list_text(self, chat_id: int, kind: str) -> str:
        items = await self.db.customs_of(chat_id)
        names = sorted(n for (k, n) in items if k == kind)
        title = "الردود" if kind == "reply" else "الأوامر المخصصة"
        if not names:
            return "لا توجد %s." % title
        lines = ["<b>%s:</b>" % title] + ["• " + esc(n) for n in names]
        return join_limited(lines)

    async def send(self, event: Any, doc: Dict[str, Any]) -> None:
        chat = event.chat_id
        src = doc.get("src_msg")
        if src:
            try:
                m = await self.client.get_messages(chat, ids=src)
                if m is not None and getattr(m, "media", None):
                    await self.client.send_message(chat, m, reply_to=event.message.id)
                    return
            except RPCError:
                pass
        text = doc.get("text") or ""
        if text:
            await self.client.send_message(chat, text, reply_to=event.message.id, link_preview=False)


# ============================================================================
# Command menu (inline)
# ============================================================================

SECTIONS = [
    ("members", "👮 إدارة الأعضاء", True),
    ("warns", "⚠️ التحذيرات", True),
    ("protect", "🛡 الحماية", True),
    ("msgs", "💬 الرسائل", True),
    ("replies", "↩️ الردود", True),
    ("customs", "🧩 الأوامر المخصصة", True),
    ("settings", "⚙️ إعدادات المجموعة", True),
    ("public", "👥 أوامر الأعضاء", False),
]

SECTION_TEXT = {
    "members": (
        "<b>👮 إدارة الأعضاء</b>\n\n"
        "طرد • حظر • فك الحظر\nكتم • فك الكتم\nتقييد • فك التقييد\nكشف • ايدي\n\n"
        "يعمل الأمر بثلاث طرق:\n"
        "• بالرد على رسالة العضو\n"
        "• مع اليوزر: <code>طرد @username</code>\n"
        "• مع الايدي: <code>طرد 123456789</code>"
    ),
    "warns": (
        "<b>⚠️ التحذيرات</b>\n\n"
        "تحذير • رفع تحذير\nتحذيرات • مسح التحذيرات\n"
        "قفل التحذير • تفعيل التحذير (التحذير التلقائي)\n\n"
        "<code>عقوبة 3 كتم</code> — تعديل عقوبة عدد معين\n"
        "العقوبات — عرض العقوبات الحالية\n"
        "الإجراءات: كتم، تقييد، طرد، حظر، بدون"
    ),
    "protect": (
        "<b>🛡 الحماية</b>\n\n"
        "قفل الروابط • فتح الروابط\nقفل التكرار • فتح التكرار\nقفل الكلمات • فتح الكلمات\n"
        "اضف كلمة • مسح كلمة • الكلمات الممنوعة\n"
        "قفل ايدي • فتح ايدي\nقفل كشف • فتح كشف\n\n"
        "<code>ضبط التكرار 6 5</code> — عدد الرسائل ثم الثواني\n"
        "<code>ضبط الكتم 60</code> — مدة الكتم بالدقائق"
    ),
    "msgs": (
        "<b>💬 الرسائل</b>\n\n"
        "مسح — بالرد على رسالة لحذفها\n"
        "<code>مسح 10</code> — حذف آخر 10 رسائل\n"
        "تثبيت — بالرد على الرسالة\n"
        "الغاء التثبيت — بالرد، أو بدون رد لإلغاء الكل"
    ),
    "replies": (
        "<b>↩️ الردود</b>\n\n"
        "<code>اضف رد مرحبا</code> ثم أرسل المحتوى أو رد على رسالة\n"
        "تعديل رد • مسح رد • الردود\n"
        "عند كتابة الكلمة يرسل البوت الرد."
    ),
    "customs": (
        "<b>🧩 الأوامر المخصصة</b>\n\n"
        "<code>اضف امر قوانين</code> ثم أرسل المحتوى أو رد على رسالة\n"
        "تعديل امر • مسح امر • الاوامر المخصصة\n"
        "قفل قوانين • فتح قوانين — لجعله للمشرفين فقط"
    ),
    "public": (
        "<b>👥 أوامر الأعضاء</b>\n\n"
        "ايدي — معلومات حسابك\n"
        "ايدي @username • ايدي ID • أو بالرد\n"
        "تحذيرات — عدد تحذيراتك\n"
        "وأي رد أو أمر مخصص أضافه المشرفون."
    ),
}

BOUNDS = {"spam_count": (3, 30), "spam_seconds": (2, 60), "mute_minutes": (5, 10080)}


class CommandMenu:
    def __init__(self, db: Database):
        self.db = db

    @staticmethod
    def main() -> Tuple[str, List[List[Any]]]:
        rows, row = [], []
        for i, (_, title, _a) in enumerate(SECTIONS):
            row.append(Button.inline(title, ("m:s:%d" % i).encode()))
            if len(row) == 2:
                rows.append(row)
                row = []
        if row:
            rows.append(row)
        return "<b>📋 قائمة الأوامر</b>\nاختر القسم:", rows

    async def section(self, idx: int, chat_id: int) -> Tuple[str, List[List[Any]]]:
        key = SECTIONS[idx][0]
        if key == "settings":
            text, rows = await self.settings_view(chat_id)
        else:
            text, rows = SECTION_TEXT[key], []
        n = len(SECTIONS)
        rows.append([
            Button.inline("◀️ السابق", ("m:s:%d" % ((idx - 1) % n)).encode()),
            Button.inline("التالي ▶️", ("m:s:%d" % ((idx + 1) % n)).encode()),
        ])
        rows.append([Button.inline("🔙 رجوع", b"m:main")])
        return text, rows

    async def settings_view(self, chat_id: int) -> Tuple[str, List[List[Any]]]:
        g = await self.db.group(chat_id)
        locks = set(g["locks"])

        def onoff(b: bool) -> str:
            return "✅" if b else "❌"

        def lockic(k: str) -> str:
            return "🔒" if k in locks else "🔓"

        rules = g["warn_rules"]
        text = (
            "<b>⚙️ إعدادات المجموعة</b>\n\n"
            "التحذير التلقائي: %s\n"
            "قفل الروابط: %s\n"
            "حماية التكرار: %s (%d رسائل / %d ثواني)\n"
            "الكلمات الممنوعة: %s (%d كلمة)\n"
            "مدة الكتم التلقائي: %d دقيقة\n"
            "ايدي للأعضاء: %s | كشف للأعضاء: %s\n\n"
            "اضغط على رقم التحذير لتغيير عقوبته."
        ) % (
            onoff(g["autowarn"]), onoff("links" in locks),
            onoff("spam" in locks), g["spam_count"], g["spam_seconds"],
            onoff("words" in locks), len(g["banned_words"]),
            g["mute_minutes"],
            "مقفل" if "id" in locks else "مفتوح", "مقفل" if "kash" in locks else "مفتوح",
        )
        b = Button.inline
        rows: List[List[Any]] = [
            [b("التحذير التلقائي " + onoff(g["autowarn"]), b"st:t:warn"),
             b("الروابط " + onoff("links" in locks), b"st:t:links")],
            [b("التكرار " + onoff("spam" in locks), b"st:t:spam"),
             b("الكلمات " + onoff("words" in locks), b"st:t:words")],
            [b("ايدي " + lockic("id"), b"st:t:id"),
             b("كشف " + lockic("kash"), b"st:t:kash")],
            [b("➖", b"st:n:spam_count:-1"), b("رسائل التكرار: %d" % g["spam_count"], b"noop"),
             b("➕", b"st:n:spam_count:1")],
            [b("➖", b"st:n:spam_seconds:-1"), b("الثواني: %d" % g["spam_seconds"], b"noop"),
             b("➕", b"st:n:spam_seconds:1")],
            [b("➖", b"st:n:mute_minutes:-15"), b("الكتم: %d د" % g["mute_minutes"], b"noop"),
             b("➕", b"st:n:mute_minutes:15")],
            [b("%d: %s" % (n, ACTION_AR.get(rules.get(str(n), "none"), "بدون")),
               ("st:r:%d" % n).encode()) for n in range(1, 6)],
        ]
        return text, rows

    async def apply_setting(self, parts: List[str], chat_id: int) -> None:
        g = await self.db.group(chat_id)
        kind = parts[1]
        if kind == "t" and len(parts) >= 3:
            key = parts[2]
            if key == "warn":
                await self.db.set_group(chat_id, autowarn=not g["autowarn"])
            elif key in ("links", "spam", "words", "id", "kash"):
                locks = list(g["locks"])
                if key in locks:
                    locks.remove(key)
                else:
                    locks.append(key)
                await self.db.set_group(chat_id, locks=locks)
        elif kind == "n" and len(parts) >= 4:
            key = parts[2]
            if key in BOUNDS:
                lo, hi = BOUNDS[key]
                v = min(hi, max(lo, int(g[key]) + int(parts[3])))
                await self.db.set_group(chat_id, **{key: v})
        elif kind == "r" and len(parts) >= 3:
            n = int(parts[2])
            if 1 <= n <= 10:
                rules = dict(g["warn_rules"])
                cur = rules.get(str(n), "none")
                cur = cur if cur in ACTION_CYCLE else "none"
                nxt = ACTION_CYCLE[(ACTION_CYCLE.index(cur) + 1) % len(ACTION_CYCLE)]
                if nxt == "none":
                    rules.pop(str(n), None)
                else:
                    rules[str(n)] = nxt
                await self.db.set_group(chat_id, warn_rules=rules)


# ============================================================================
# Bot (router + command handlers)
# ============================================================================

class Bot:
    def __init__(self, client: TelegramClient, db: Database):
        self.client = client
        self.db = db
        self.me: Any = None
        self.perms = Permissions(client)
        self.resolver = Resolver(client, db)
        self.moderation = Moderation(client)
        self.warnings = Warnings(db, self.moderation)
        self.protection = Protection(client, db, self.perms, self.warnings, self.say)
        self.customs = Customs(client, db, self.say)
        self.menu = CommandMenu(db)

    # ---- basic helpers
    async def say(self, event: Any, text: str, **kw: Any) -> Any:
        for attempt in (1, 2):
            try:
                return await event.respond(text, link_preview=False, **kw)
            except FloodWaitError as e:
                if attempt == 2 or e.seconds > 30:
                    return None
                await asyncio.sleep(e.seconds + 1)
            except RPCError as e:
                log.warning("send failed in %s: %s", event.chat_id, getattr(e, "message", e))
                return None
        return None

    @staticmethod
    def is_anon(event: Any) -> bool:
        m = event.message
        return event.sender_id is None or isinstance(m.from_id, types.PeerChannel)

    @staticmethod
    def plausible(event: Any, arg: str) -> bool:
        return (not arg) or event.message.is_reply or arg[0] == "@" or arg[0].isdigit()

    async def actor_info(self, event: Any) -> Info:
        try:
            peer = await event.get_input_sender()
        except Exception:
            peer = event.sender_id
        return await self.perms.info(event.chat_id, peer, event.sender_id)

    async def gate(self, event: Any, right: Optional[str], arg: str = "") -> Optional[Info]:
        """Checks the actor (and the bot) permissions. Returns actor Info or None."""
        plausible = self.plausible(event, arg)
        if self.is_anon(event):
            if plausible:
                await self.say(event, "أوقف وضع التخفي لاستخدام أوامر الإدارة.")
            return None
        actor = await self.actor_info(event)
        if not actor.is_admin:
            if plausible:
                await self.say(event, "هذا الأمر للمشرفين فقط.")
            return None
        if right and not actor.has(right):
            await self.say(event, "ليست لديك صلاحية %s." % RIGHT_AR[right])
            return None
        if right:
            bot = await self.perms.bot_info(event.chat_id)
            if not bot.has(right):
                await self.say(event, "ليس لدي صلاحية %s. ارفعني مشرفاً مع هذه الصلاحية." % RIGHT_AR[right])
                return None
        return actor

    async def check_target(self, event: Any, actor: Info, target: Target, strict: bool) -> bool:
        if target.id == self.me.id:
            await self.say(event, "لا يمكنني تنفيذ ذلك على نفسي.")
            return False
        if target.id == actor.user_id:
            await self.say(event, "لا يمكنك تنفيذ ذلك على نفسك.")
            return False
        if not strict:
            return True
        tinfo = await self.perms.info(event.chat_id, target.peer, target.id)
        if tinfo.is_creator:
            await self.say(event, "لا يمكن تنفيذ الأمر على مالك المجموعة.")
            return False
        if tinfo.is_admin and tinfo.rank >= actor.rank:
            await self.say(event, "لا يمكن تنفيذ الأمر على مشرف بصلاحيات مساوية أو أعلى من صلاحياتك.")
            return False
        return True

    # ---- registration
    def register(self) -> None:
        self.client.add_event_handler(self.on_message, events.NewMessage(incoming=True))
        self.client.add_event_handler(self.on_callback, events.CallbackQuery())

    # ---- message router
    async def on_message(self, event: Any) -> None:
        try:
            if event.is_private:
                await self.on_private(event)
                return
            if not event.is_group or event.chat_id is None:
                return
            msg = event.message
            text = msg.raw_text or ""
            anon = self.is_anon(event)
            group = await self.db.group(event.chat_id)
            sender = None
            if not anon:
                try:
                    sender = await event.get_sender()
                except Exception:
                    sender = None
                if sender is not None:
                    await self.db.remember_user(sender)
                if await self.customs.capture(event):
                    return
                if sender is not None and await self.protection.check(event, group, sender):
                    return
            first = text.split("\n", 1)[0][:200]
            if first and not first.startswith("/"):
                cmd, arg = parse_command(first)
                if cmd:
                    await self.dispatch(event, cmd, arg)
                    return
                if not anon and len(first) <= 100 and await self.try_custom(event, norm(first), group):
                    return
        except Exception:
            log.exception("on_message failed")

    async def on_private(self, event: Any) -> None:
        text = (event.message.raw_text or "").strip()
        if not text.startswith("/start"):
            return
        url = ("https://t.me/%s?startgroup=true&admin=delete_messages+restrict_members+pin_messages+invite_users"
               % (self.me.username or ""))
        await self.say(
            event,
            "مرحباً بك 👋\nأنا بوت مخصص لإدارة المجموعات.\n"
            "أضفني إلى مجموعتك وارفعني مشرفاً، ثم اكتب: الاوامر",
            buttons=[[Button.url("➕ إضافة البوت إلى مجموعة", url)]],
        )

    async def try_custom(self, event: Any, name: str, group: Dict[str, Any]) -> bool:
        items = await self.db.customs_of(event.chat_id)
        if not items:
            return False
        doc = items.get(("command", name)) or items.get(("reply", name))
        if not doc:
            return False
        if ("c:" + name) in group["locks"]:
            actor = await self.actor_info(event)
            if not actor.is_admin:
                return True
        await self.customs.send(event, doc)
        return True

    # ---- dispatcher
    async def dispatch(self, event: Any, cmd: str, arg: str) -> None:
        try:
            if cmd in MOD_CMDS:
                await self.c_moderate(event, cmd, arg)
            elif cmd == "warn":
                await self.c_warn(event, arg)
            elif cmd == "unwarn":
                await self.c_unwarn(event, arg)
            elif cmd == "warns":
                await self.c_warns(event, arg)
            elif cmd == "clearwarns":
                await self.c_clearwarns(event, arg)
            elif cmd == "id":
                await self.c_id(event, arg, False)
            elif cmd == "kash":
                await self.c_id(event, arg, True)
            elif cmd in ("lock", "unlock"):
                await self.c_lock(event, arg, cmd == "lock")
            elif cmd in ("enable", "disable"):
                await self.c_enable(event, arg, cmd == "enable")
            elif cmd == "menu":
                text, rows = self.menu.main()
                await self.say(event, text, buttons=rows)
            elif cmd == "settings":
                actor = await self.gate(event, None, arg)
                if actor:
                    idx = [s[0] for s in SECTIONS].index("settings")
                    text, rows = await self.menu.section(idx, event.chat_id)
                    await self.say(event, text, buttons=rows)
            elif cmd == "addword":
                await self.c_addword(event, arg)
            elif cmd == "delword":
                await self.c_delword(event, arg)
            elif cmd == "words":
                await self.c_words(event, arg)
            elif cmd == "delete":
                await self.c_delete(event, arg)
            elif cmd == "pin":
                await self.c_pin(event, arg, True)
            elif cmd == "unpin":
                await self.c_pin(event, arg, False)
            elif cmd in ("addreply", "editreply", "addcmd", "editcmd", "delreply", "delcmd"):
                actor = await self.gate(event, None, arg)
                if not actor:
                    return
                kind = "reply" if cmd.endswith("reply") else "command"
                if cmd.startswith("del"):
                    await self.customs.delete(event, kind, arg)
                else:
                    await self.customs.begin(event, kind, arg, cmd.startswith("edit"))
            elif cmd in ("replies", "cmds"):
                actor = await self.gate(event, None, arg)
                if actor:
                    await self.say(event, await self.customs.list_text(
                        event.chat_id, "reply" if cmd == "replies" else "command"))
            elif cmd == "rule":
                await self.c_rule(event, arg)
            elif cmd == "rules":
                actor = await self.gate(event, None, arg)
                if actor:
                    await self.say(event, self.warnings.rules_text(await self.db.group(event.chat_id)))
            elif cmd == "setspam":
                await self.c_setspam(event, arg)
            elif cmd == "setmute":
                await self.c_setmute(event, arg)
        except FloodWaitError as e:
            await self.say(event, err_text(e))
        except RPCError as e:
            await self.say(event, err_text(e))
        except ValueError:
            log.warning("command %s failed", cmd, exc_info=True)
            await self.say(event, "تعذر تنفيذ الأمر. تأكد أن المجموعة سوبر جروب.")
        except Exception:
            log.exception("command %s crashed", cmd)

    # ---- moderation commands
    async def c_moderate(self, event: Any, cmd: str, arg: str) -> None:
        actor = await self.gate(event, "ban_users", arg)
        if not actor:
            return
        target, err = await self.resolver.resolve(event, arg)
        if err or target is None:
            await self.say(event, err or "تعذر تحديد العضو.")
            return
        if not await self.check_target(event, actor, target, cmd in ("kick", "ban", "mute", "restrict")):
            return
        g = await self.db.group(event.chat_id)
        await self.moderation.do(event.chat_id, target.peer, cmd, 0)
        await self.say(event, DONE_TEXT[cmd])

    async def c_warn(self, event: Any, arg: str) -> None:
        actor = await self.gate(event, "ban_users", arg)
        if not actor:
            return
        target, err = await self.resolver.resolve(event, arg)
        if err or target is None:
            await self.say(event, err or "تعذر تحديد العضو.")
            return
        if not await self.check_target(event, actor, target, True):
            return
        count = await self.db.add_warn(event.chat_id, target.id)
        await self.say(event, await self.warnings.enforce(event.chat_id, target, count))

    async def c_unwarn(self, event: Any, arg: str) -> None:
        actor = await self.gate(event, "ban_users", arg)
        if not actor:
            return
        target, err = await self.resolver.resolve(event, arg)
        if err or target is None:
            await self.say(event, err or "تعذر تحديد العضو.")
            return
        left = await self.db.remove_warn(event.chat_id, target.id)
        if left is None:
            await self.say(event, "لا توجد تحذيرات على هذا العضو.")
        else:
            await self.say(event, "تم رفع تحذير عن العضو. المتبقي: %d" % left)

    async def c_clearwarns(self, event: Any, arg: str) -> None:
        actor = await self.gate(event, "ban_users", arg)
        if not actor:
            return
        target, err = await self.resolver.resolve(event, arg)
        if err or target is None:
            await self.say(event, err or "تعذر تحديد العضو.")
            return
        await self.db.clear_warns(event.chat_id, target.id)
        await self.say(event, "تم مسح تحذيرات العضو.")

    async def c_warns(self, event: Any, arg: str) -> None:
        if not self.plausible(event, arg) or self.is_anon(event):
            return
        if event.message.is_reply or arg:
            actor = await self.gate(event, None, arg)
            if not actor:
                return
            target, err = await self.resolver.resolve(event, arg)
            if err or target is None:
                await self.say(event, err or "تعذر تحديد العضو.")
                return
            uid, who = target.id, "العضو"
        else:
            uid, who = event.sender_id, "لديك"
        n = await self.db.warn_count(event.chat_id, uid)
        if who == "لديك":
            await self.say(event, "عدد تحذيراتك: %d" % n)
        else:
            await self.say(event, "عدد تحذيرات العضو: %d" % n)

    # ---- id / kash
    async def c_id(self, event: Any, arg: str, detailed: bool) -> None:
        if arg and not event.message.is_reply and not (arg[0] == "@" or arg[0].isdigit()):
            return
        chat = event.chat_id
        group = await self.db.group(chat)
        anon = self.is_anon(event)
        is_admin = False
        if not anon:
            is_admin = (await self.actor_info(event)).is_admin
        key = "kash" if detailed else "id"
        if key in group["locks"] and not is_admin:
            if not detailed:
                await self.say(event, "أمر ايدي مقفل للأعضاء.")
            return
        user: Any = None
        if event.message.is_reply or arg:
            target, err = await self.resolver.resolve(event, arg)
            if err or target is None:
                await self.say(event, err or "تعذر تحديد الحساب.")
                return
            user = target.user
        elif not anon:
            user = await event.get_sender()
        if not isinstance(user, types.User):
            await self.say(event, "لا يمكن تحديد الحساب.")
            return
        text = await self.build_card(chat, user, detailed)
        await self.send_card(event, user, text)

    async def build_card(self, chat_id: int, user: types.User, detailed: bool) -> str:
        lines = ["👤 <b>الاسم:</b> %s" % esc("حساب محذوف" if user.deleted else (user.first_name or "بدون اسم"))]
        if user.last_name and not user.deleted:
            lines.append("👥 <b>العائلة:</b> %s" % esc(user.last_name))
        lines.append("🔖 <b>اليوزر:</b> %s" % ("@" + user.username if user.username else "لا يوجد"))
        lines.append("🆔 <b>الايدي:</b> <code>%d</code>" % user.id)
        lines.append("🤖 <b>النوع:</b> %s" % ("بوت" if user.bot else "مستخدم"))
        if detailed and user.username:
            lines.append("🔗 <b>الرابط:</b> https://t.me/%s" % user.username)
        est = estimate_creation(user.id)
        if est:
            lines.append("📅 <b>تاريخ إنشاء تقريبي:</b> %s (تقدير فقط)" % est)
        else:
            lines.append("📅 لا يمكن تقدير تاريخ الإنشاء بشكل موثوق.")
        if detailed:
            try:
                tinfo = await self.perms.info(chat_id, user, user.id)
                if tinfo.known:
                    lines.append("🎖 <b>الرتبة:</b> %s" % tinfo.role)
            except Exception:
                pass
            n = await self.db.warn_count(chat_id, user.id)
            lines.append("⚠️ <b>التحذيرات:</b> %d" % n)
        return "\n".join(lines)

    async def send_card(self, event: Any, user: types.User, text: str) -> None:
        photo = None
        if isinstance(user.photo, types.UserProfilePhoto):
            try:
                data = await self.client.download_profile_photo(user, file=bytes)
                if data:
                    photo = io.BytesIO(data)
                    photo.name = "photo.jpg"
            except Exception:
                photo = None
        if photo is not None:
            try:
                await self.client.send_file(event.chat_id, photo, caption=text,
                                            reply_to=event.message.id)
                return
            except RPCError as e:
                log.debug("send photo failed: %s", getattr(e, "message", e))
        try:
            await event.reply(text, link_preview=False)
        except RPCError as e:
            log.warning("reply failed: %s", getattr(e, "message", e))

    # ---- locks
    async def c_lock(self, event: Any, arg: str, lock: bool) -> None:
        if not arg:
            if self.plausible(event, arg):
                actor = await self.gate(event, None, arg)
                if actor:
                    await self.say(event, "اكتب اسم القفل. مثال: قفل الروابط")
            return
        actor = None
        chat = event.chat_id
        key = LOCK_ALIAS.get(arg)
        if key is None:
            customs = await self.db.customs_of(chat)
            if any((k, arg) in customs for k in ("reply", "command")):
                key = "c:" + arg
            else:
                return
        actor = await self.gate(event, None, "")
        if not actor:
            return
        if key == "warn":
            await self.db.set_group(chat, autowarn=not lock)
            await self.say(event, "تم تعطيل نظام التحذير التلقائي." if lock
                           else "تم تفعيل نظام التحذير التلقائي.")
            return
        g = await self.db.group(chat)
        locks = list(g["locks"])
        if lock and key not in locks:
            locks.append(key)
        elif not lock and key in locks:
            locks.remove(key)
        await self.db.set_group(chat, locks=locks)
        name = LOCK_NAME_AR.get(key, arg)
        await self.say(event, ("تم قفل %s." if lock else "تم فتح %s.") % esc(name))

    async def c_enable(self, event: Any, arg: str, enable: bool) -> None:
        if LOCK_ALIAS.get(arg) != "warn":
            return
        actor = await self.gate(event, None, "")
        if not actor:
            return
        await self.db.set_group(event.chat_id, autowarn=enable)
        await self.say(event, "تم تفعيل نظام التحذير التلقائي." if enable
                       else "تم تعطيل نظام التحذير التلقائي.")

    # ---- banned words
    async def c_addword(self, event: Any, arg: str) -> None:
        actor = await self.gate(event, None, arg)
        if not actor:
            return
        if not arg:
            await self.say(event, "اكتب: اضف كلمة + الكلمة.")
            return
        if len(arg) > 60:
            await self.say(event, "الكلمة طويلة جداً.")
            return
        g = await self.db.group(event.chat_id)
        words = list(g["banned_words"])
        if arg in words:
            await self.say(event, "الكلمة موجودة مسبقاً.")
            return
        if len(words) >= 500:
            await self.say(event, "وصلت للحد الأقصى من الكلمات.")
            return
        words.append(arg)
        await self.db.set_group(event.chat_id, banned_words=words)
        await self.say(event, "تمت إضافة الكلمة.")

    async def c_delword(self, event: Any, arg: str) -> None:
        actor = await self.gate(event, None, arg)
        if not actor:
            return
        g = await self.db.group(event.chat_id)
        words = list(g["banned_words"])
        if arg not in words:
            await self.say(event, "الكلمة غير موجودة.")
            return
        words.remove(arg)
        await self.db.set_group(event.chat_id, banned_words=words)
        await self.say(event, "تم حذف الكلمة.")

    async def c_words(self, event: Any, arg: str) -> None:
        actor = await self.gate(event, None, arg)
        if not actor:
            return
        g = await self.db.group(event.chat_id)
        if not g["banned_words"]:
            await self.say(event, "لا توجد كلمات ممنوعة.")
            return
        lines = ["<b>الكلمات الممنوعة:</b>"] + ["• " + esc(w) for w in g["banned_words"]]
        await self.say(event, join_limited(lines))

    # ---- messages
    async def c_delete(self, event: Any, arg: str) -> None:
        actor = await self.gate(event, "delete_messages", arg)
        if not actor:
            return
        msg = event.message
        if msg.is_reply:
            ids = [msg.reply_to_msg_id, msg.id]
        elif arg.isdigit() and int(arg) > 0:
            n = min(int(arg), 100)
            ids = list(range(max(1, msg.id - n), msg.id + 1))
        else:
            await self.say(event, "رد على رسالة أو اكتب: مسح 10")
            return
        await self.client.delete_messages(event.chat_id, ids)

    async def c_pin(self, event: Any, arg: str, pin: bool) -> None:
        actor = await self.gate(event, "pin_messages", arg)
        if not actor:
            return
        msg = event.message
        if pin:
            if not msg.is_reply:
                await self.say(event, "رد على الرسالة المراد تثبيتها.")
                return
            await self.client.pin_message(event.chat_id, msg.reply_to_msg_id)
            await self.say(event, "تم تثبيت الرسالة.")
        else:
            if msg.is_reply:
                await self.client.unpin_message(event.chat_id, msg.reply_to_msg_id)
                await self.say(event, "تم إلغاء تثبيت الرسالة.")
            else:
                await self.client.unpin_message(event.chat_id)
                await self.say(event, "تم إلغاء تثبيت جميع الرسائل.")

    # ---- settings commands
    async def c_rule(self, event: Any, arg: str) -> None:
        actor = await self.gate(event, None, arg)
        if not actor:
            return
        m = re.match(r"^(\d{1,2})\s+(\S+)$", arg)
        act = ACTION_FROM_AR.get(m.group(2)) if m else None
        if not m or act is None or not (1 <= int(m.group(1)) <= 10):
            await self.say(event, "مثال: عقوبة 3 كتم\nالإجراءات: كتم، تقييد، طرد، حظر، بدون")
            return
        g = await self.db.group(event.chat_id)
        rules = dict(g["warn_rules"])
        if act == "none":
            rules.pop(str(int(m.group(1))), None)
        else:
            rules[str(int(m.group(1)))] = act
        await self.db.set_group(event.chat_id, warn_rules=rules)
        await self.say(event, "تم تحديث العقوبة.")

    async def c_setspam(self, event: Any, arg: str) -> None:
        actor = await self.gate(event, None, arg)
        if not actor:
            return
        m = re.match(r"^(\d+)\s+(\d+)$", arg)
        if not m:
            await self.say(event, "مثال: ضبط التكرار 6 5\n(عدد الرسائل ثم الثواني)")
            return
        c, s = int(m.group(1)), int(m.group(2))
        c = min(max(c, BOUNDS["spam_count"][0]), BOUNDS["spam_count"][1])
        s = min(max(s, BOUNDS["spam_seconds"][0]), BOUNDS["spam_seconds"][1])
        await self.db.set_group(event.chat_id, spam_count=c, spam_seconds=s)
        await self.say(event, "تم الضبط: %d رسائل خلال %d ثواني." % (c, s))

    async def c_setmute(self, event: Any, arg: str) -> None:
        actor = await self.gate(event, None, arg)
        if not actor:
            return
        if not arg.isdigit():
            await self.say(event, "مثال: ضبط الكتم 60 (بالدقائق)")
            return
        lo, hi = BOUNDS["mute_minutes"]
        v = min(max(int(arg), lo), hi)
        await self.db.set_group(event.chat_id, mute_minutes=v)
        await self.say(event, "تم الضبط: مدة الكتم %d دقيقة." % v)

    # ---- inline callbacks
    async def cb_is_admin(self, event: Any) -> bool:
        try:
            peer = await event.get_input_sender()
        except Exception:
            peer = event.sender_id
        inf = await self.perms.info(event.chat_id, peer, event.sender_id)
        return inf.is_admin

    @staticmethod
    async def _edit(event: Any, text: str, rows: List[List[Any]]) -> None:
        try:
            await event.edit(text, buttons=rows, link_preview=False)
        except RPCError as e:
            if "MESSAGE_NOT_MODIFIED" not in (getattr(e, "message", "") or "").upper():
                log.debug("edit failed: %s", getattr(e, "message", e))

    async def on_callback(self, event: Any) -> None:
        try:
            data = (event.data or b"").decode("utf-8", "ignore")
            if event.chat_id is None or event.is_private or data == "noop":
                await event.answer()
                return
            parts = data.split(":")
            if data == "m:main":
                text, rows = self.menu.main()
                await self._edit(event, text, rows)
            elif len(parts) == 3 and parts[0] == "m" and parts[1] == "s":
                idx = int(parts[2])
                if not 0 <= idx < len(SECTIONS):
                    await event.answer()
                    return
                if SECTIONS[idx][2] and not await self.cb_is_admin(event):
                    await event.answer("هذا القسم للمشرفين فقط.", alert=True)
                    return
                text, rows = await self.menu.section(idx, event.chat_id)
                await self._edit(event, text, rows)
            elif parts[0] == "st" and len(parts) >= 3:
                if not await self.cb_is_admin(event):
                    await event.answer("للمشرفين فقط.", alert=True)
                    return
                await self.menu.apply_setting(parts, event.chat_id)
                idx = [s[0] for s in SECTIONS].index("settings")
                text, rows = await self.menu.section(idx, event.chat_id)
                await self._edit(event, text, rows)
            await event.answer()
        except FloodWaitError:
            pass
        except Exception:
            log.exception("on_callback failed")
            try:
                await event.answer()
            except Exception:
                pass


# ============================================================================
# Health server (Hugging Face Spaces needs an open port) & main
# ============================================================================

async def health_handler(reader: asyncio.StreamReader, writer: asyncio.StreamWriter) -> None:
    try:
        await asyncio.wait_for(reader.read(1024), timeout=5)
        body = b"Bot is running"
        writer.write(
            b"HTTP/1.1 200 OK\r\nContent-Type: text/plain\r\n"
            b"Content-Length: %d\r\nConnection: close\r\n\r\n" % len(body) + body
        )
        await writer.drain()
    except Exception:
        pass
    finally:
        try:
            writer.close()
        except Exception:
            pass


async def janitor(bot: Bot) -> None:
    while True:
        await asyncio.sleep(300)
        try:
            bot.protection.flood.purge()
            now = time.time()
            for k in [k for k, p in bot.customs.pending.items() if p["exp"] < now]:
                bot.customs.pending.pop(k, None)
        except Exception:
            log.debug("janitor error", exc_info=True)


def require_env() -> Tuple[int, str, str, str]:
    names = ("API_ID", "API_HASH", "BOT_TOKEN", "MONGO_URI")
    missing = [n for n in names if not os.environ.get(n, "").strip()]
    if missing:
        print("Missing environment variables: " + ", ".join(missing), file=sys.stderr)
        sys.exit(1)
    try:
        api_id = int(os.environ["API_ID"].strip())
    except ValueError:
        print("API_ID must be an integer.", file=sys.stderr)
        sys.exit(1)
    return (api_id, os.environ["API_HASH"].strip(),
            os.environ["BOT_TOKEN"].strip(), os.environ["MONGO_URI"].strip())


async def main() -> None:
    api_id, api_hash, bot_token, mongo_uri = require_env()

    port = int(os.environ.get("PORT", "7860"))
    server = await asyncio.start_server(health_handler, "0.0.0.0", port)
    log.info("Health server listening on port %d", port)

    db = Database(mongo_uri)
    while True:
        try:
            await db.init()
            break
        except Exception as e:
            log.error("MongoDB connection failed (%s). Retrying in 10s...", type(e).__name__)
            await asyncio.sleep(10)
    log.info("MongoDB connected")

    client = TelegramClient(
        StringSession(), api_id, api_hash,
        flood_sleep_threshold=60, connection_retries=-1, retry_delay=2,
    )
    client.parse_mode = "html"
    bot = Bot(client, db)
    bot.register()

    while True:
        try:
            await client.start(bot_token=bot_token)
            break
        except FloodWaitError as e:
            log.warning("FloodWait on login: sleeping %ds", e.seconds)
            await asyncio.sleep(e.seconds + 1)
        except Exception as e:
            log.error("Login failed (%s). Retrying in 10s...", type(e).__name__)
            await asyncio.sleep(10)

    bot.me = await client.get_me()
    bot.perms.me_id = bot.me.id
    log.info("Bot started as @%s", bot.me.username)

    task = asyncio.create_task(janitor(bot))
    try:
        while True:
            try:
                await client.run_until_disconnected()
                break
            except Exception:
                log.exception("Connection loop error; reconnecting in 5s")
                await asyncio.sleep(5)
                try:
                    if not client.is_connected():
                        await client.connect()
                except Exception:
                    pass
    finally:
        task.cancel()
        server.close()


if __name__ == "__main__":
    try:
        asyncio.run(main())
    except KeyboardInterrupt:
        pass