"""
الوكيل الموحّد v28.0 — هيكلة جديدة كاملة
==========================================
كل النماذج في واجهة واحدة (Fusion) + قدرات تنفيذية حقيقية

المعمارية:
1. Fusion: Fan out → Collect → Synthesize (كل النماذج كنموذج واحد)
2. Tools: 15 أداة حقيقية (كود، بحث، GitHub، arXiv، تحليل...)
3. Memory: ذاكرة دائمة في /data/ + نسخ احتياطي GitHub + HF
4. Webhook reply للسرعة + background للمهام الطويلة
5. 24/7 keep-alive

مجاني 100% — لا تكلفة
"""
import asyncio, json, logging, os, re, sys, time, hashlib, math, random, base64
import urllib.parse, subprocess, tempfile, traceback
from typing import Optional, List, Dict
from datetime import datetime, timezone, timedelta

import aiohttp
from aiohttp import web

logging.basicConfig(format="%(asctime)s - %(levelname)s - %(message)s", level=logging.INFO, stream=sys.stdout)
logger = logging.getLogger(__name__)

# ============================================================
# CONFIG
# ============================================================
BOT_TOKEN = os.environ.get("TELEGRAM_BOT_TOKEN", "")
GITHUB_TOKEN = os.environ.get("GITHUB_TOKEN", "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")
ZENMUX_KEY = os.environ.get("ZENMUX_API_KEY", "sk-ai-v1-b691e6444fda73a4dada1cc0a8c650a47b2fe9ea50fab999751d7c831fbe2a2e")
PUTER_KEYS = [
    "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCIsImtpZCI6InYyIn0.eyJ0IjoidCIsInYiOiIyIiwidG9rZW5fdWlkIjoiYWU0NzkxMzEtNzFmMi00NTM5LTkyNjAtYzI0ZGJkNDk3N2UzIiwidXUiOiJIWkpuNGJMaFRLK213MlR2WklxZ0FnPT0iLCJzdSI6IndaSnNSbHFGVDhDb2NnTjZybjVzckE9PSIsImFpIjoiSFpKbjRiTGhUSyttdzJUdlpJcWdBZz09IiwiZnVsbF9hY2Nlc3MiOnRydWUsImlhdCI6MTc4MjQ3MDgwMiwiZXhwIjoxNzkwMjQ2ODAyfQ.rk3pLgVDiWK1gAQFzre9NqnEtOkm25LxnxElRTubC40",
    "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCIsImtpZCI6InYyIn0.eyJ0IjoidCIsInYiOiIyIiwidG9rZW5fdWlkIjoiZjU1N2ZhYWEtZmVjMy00MDc1LWE4MDgtMzRlN2FjZTllZmUzIiwidXUiOiJIWkpuNGJMaFRLK213MlR2WklxZ0FnPT0iLCJzdSI6IkZUa2ZSMkZYUzZlcnd3ZG5mdWJRRGc9PSIsImFpIjoiSFpKbjRiTGhUSyttdzJUdlpJcWdBZz09IiwiZnVsbF9hY2Nlc3MiOnRydWUsImlhdCI6MTc4MjQ5NjU3OSwiZXhwIjoxNzkwMjcyNTc5fQ.-8MfRssAAUs0R69odyS_PIWn9Oht-e2G8cxLrA6dXH8",
]
SPACE_URL = "https://Ejdjdososs-zai-telegram-bot.hf.space"
WEBHOOK_PATH = "/webhook"
PORT = 7860
LOG = []
STATS = {"total": 0, "fusion": 0, "tools": 0, "fail": 0}

# ============================================================
# PERSISTENT MEMORY
# ============================================================
DATA_DIR = os.environ.get("DATA_DIR", "/data")
MEM_FILE = os.path.join(DATA_DIR, "memory.json")
os.makedirs(DATA_DIR, exist_ok=True)

class Memory:
    def __init__(self):
        self.data = {"chats": {}, "learned": {}, "cache": {}}
        self._load()

    def _load(self):
        try:
            if os.path.exists(MEM_FILE):
                with open(MEM_FILE, "r", encoding="utf-8") as f:
                    self.data = json.load(f)
        except: pass

    def _save(self):
        try:
            with open(MEM_FILE, "w", encoding="utf-8") as f:
                json.dump(self.data, f, ensure_ascii=False)
        except: pass

    def add(self, uid, role, content):
        if uid not in self.data["chats"]: self.data["chats"][uid] = []
        self.data["chats"][uid].append({"r": role, "c": content[:600], "t": time.time()})
        self.data["chats"][uid] = self.data["chats"][uid][-20:]
        self._save()

    def ctx(self, uid, n=6):
        return [{"role": m["r"], "content": m["c"]} for m in self.data["chats"].get(uid, [])[-n:]]

    def learn(self, q, r):
        h = hashlib.md5(q.lower().encode()).hexdigest()[:12]
        self.data["learned"][h] = {"r": r, "t": time.time()}
        self._save()

    def recall(self, q):
        h = hashlib.md5(q.lower().encode()).hexdigest()[:12]
        e = self.data["learned"].get(h)
        if e and time.time() - e["t"] < 86400: return e["r"]
        return None

    def cache_get(self, q):
        h = hashlib.md5(q.lower().encode()).hexdigest()[:12]
        e = self.data["cache"].get(h)
        if e and time.time() - e["t"] < 3600: return e["r"]
        return None

    def cache_set(self, q, r):
        h = hashlib.md5(q.lower().encode()).hexdigest()[:12]
        self.data["cache"][h] = {"r": r, "t": time.time()}
        if len(self.data["cache"]) > 200:
            old = min(self.data["cache"].items(), key=lambda x: x[1]["t"])
            del self.data["cache"][old[0]]
        self._save()

    def forget(self, uid):
        if uid in self.data["chats"]: del self.data["chats"][uid]; self._save()

    def stats(self):
        return {"users": len(self.data["chats"]), "learned": len(self.data["learned"]), "cache": len(self.data["cache"])}

mem = Memory()

# ============================================================
# LLM PROVIDERS — كل مزود في دالة مستقلة
# ============================================================
SESSION = None

async def sess():
    global SESSION
    if SESSION is None or SESSION.closed:
        SESSION = aiohttp.ClientSession(
            timeout=aiohttp.ClientTimeout(total=15, connect=5, sock_read=12),
            connector=aiohttp.TCPConnector(limit=100, limit_per_host=30, keepalive_timeout=120))
    return SESSION

_pidx = 0
def _pkey():
    global _pidx
    _pidx += 1
    return PUTER_KEYS[_pidx % len(PUTER_KEYS)]

async def p_puter(model, msgs, t=12):
    """Puter.js — GLM-5.2, GPT-5, DeepSeek, Mistral"""
    s = await sess()
    k = _pkey()
    try:
        async with s.post("https://api.puter.com/drivers/call",
            headers={"Authorization": f"Bearer {k}", "Content-Type": "application/json"},
            json={"interface": "puter-chat-completion", "driver_name": "openai-completion",
                  "method": "complete", "args": {"messages": msgs, "model": model}},
            timeout=aiohttp.ClientTimeout(total=t)) as r:
            if r.status == 200:
                d = await r.json()
                c = d.get("result", {}).get("message", {}).get("content", "")
                if c and c.strip(): return c.strip()
    except: pass
    return None

async def p_github(model, msgs, t=12):
    """GitHub Models — GPT-4o, GPT-4o-mini (مجاني مع GitHub token)"""
    if not GITHUB_TOKEN: return None
    s = await sess()
    try:
        async with s.post("https://models.inference.ai.azure.com/chat/completions",
            headers={"Authorization": f"Bearer {GITHUB_TOKEN}", "Content-Type": "application/json"},
            json={"model": model, "messages": msgs, "max_tokens": 1200, "temperature": 0.7},
            timeout=aiohttp.ClientTimeout(total=t)) as r:
            if r.status == 200:
                d = await r.json()
                c = d.get("choices", [{}])[0].get("message", {}).get("content", "")
                if c and c.strip(): return c.strip()
    except: pass
    return None

async def p_llm7(model, msgs, t=12):
    """LLM7.io — Codestral, Devstral (مجاني بدون مفتاح)"""
    s = await sess()
    try:
        async with s.post("https://api.llm7.io/v1/chat/completions",
            headers={"Content-Type": "application/json"},
            json={"model": model, "messages": msgs, "max_tokens": 1200},
            timeout=aiohttp.ClientTimeout(total=t)) as r:
            if r.status == 200:
                d = await r.json()
                c = d.get("choices", [{}])[0].get("message", {}).get("content", "")
                if c and c.strip(): return c.strip()
    except: pass
    return None

async def p_ovh(model, msgs, t=12):
    """OVHcloud — gpt-oss-20b (مجاني بدون مفتاح)"""
    s = await sess()
    try:
        async with s.post("https://oai.endpoints.kepler.ai.cloud.ovh.net/v1/chat/completions",
            headers={"Content-Type": "application/json"},
            json={"model": model, "messages": msgs, "max_tokens": 1200},
            timeout=aiohttp.ClientTimeout(total=t)) as r:
            if r.status == 200:
                d = await r.json()
                c = d.get("choices", [{}])[0].get("message", {}).get("content", "")
                if c and c.strip(): return c.strip()
    except: pass
    return None

async def p_poll(msgs, t=12):
    """Pollinations — openai (مجاني دائماً)"""
    s = await sess()
    try:
        async with s.post("https://text.pollinations.ai/openai",
            json={"model": "openai", "messages": msgs, "max_tokens": 1200},
            timeout=aiohttp.ClientTimeout(total=t)) as r:
            if r.status == 200:
                d = await r.json()
                c = d.get("choices", [{}])[0].get("message", {}).get("content", "")
                if c and c.strip(): return c.strip()
    except: pass
    return None

# ============================================================
# FUSION — كل النماذج كنموذج واحد
# ============================================================
async def fanout(msgs):
    """أرسل لكل النماذج بالتوازي، اجمع كل الردود"""
    tasks = {
        asyncio.create_task(p_github("gpt-4o", msgs)): "github:gpt-4o",
        asyncio.create_task(p_github("gpt-4o-mini", msgs)): "github:gpt-4o-mini",
        asyncio.create_task(p_puter("glm-5.2", msgs)): "puter:glm-5.2",
        asyncio.create_task(p_puter("gpt-5-mini", msgs)): "puter:gpt-5-mini",
        asyncio.create_task(p_puter("deepseek-chat", msgs)): "puter:deepseek",
        asyncio.create_task(p_llm7("codestral-latest", msgs)): "llm7:codestral",
        asyncio.create_task(p_ovh("gpt-oss-20b", msgs)): "ovh:gpt-oss",
        asyncio.create_task(p_poll(msgs)): "pollinations",
    }
    results = {}
    done, pending = await asyncio.wait(tasks.keys(), timeout=15, return_when=asyncio.ALL_COMPLETED)
    for p in pending: p.cancel()
    for t in done:
        try:
            r = t.result()
            if r: results[tasks[t]] = r
        except: pass
    return results

async def synthesize(question, responses):
    """دمج كل الردود في إجابة واحدة أذكى"""
    if not responses: return None, "none"
    if len(responses) == 1:
        s, t = list(responses.items())[0]
        return t, s

    # بناء prompt للدمج
    parts = ""
    for i, (src, txt) in enumerate(responses.items(), 1):
        parts += f"\n---\nرد {i} ({src}):\n{txt[:1200]}\n"

    judge_msgs = [
        {"role": "system", "content": "أنت نموذج حكم. ادمج ردود عدة نماذج في إجابة واحدة نهائية. خذ الأفضل من كل رد. أجب بالعربية. استخدم Markdown. لا تذكر المصادر. أكمل في رد واحد."},
        {"role": "user", "content": f"السؤال: {question}\n\nردود النماذج:{parts}\n\nالإجابة الموحدة:"}
    ]

    # جرّب GitHub Models أولاً
    r = await p_github("gpt-4o", judge_msgs, 15)
    if r: return r, "fusion:gpt-4o"
    r = await p_puter("glm-5.2", judge_msgs, 15)
    if r: return r, "fusion:glm-5.2"
    r = await p_poll(judge_msgs)
    if r: return r, "fusion:poll"
    # fallback: أفضل رد منفرد
    best = max(responses.values(), key=len)
    return best, "fusion:best"

async def fusion(msgs, question):
    """Fusion الكامل: fanout → collect → synthesize"""
    start = time.time()
    LOG.append(f"[{time.strftime('%H:%M:%S')}] 🚀 fanout to all models...")
    responses = await fanout(msgs)
    LOG.append(f"[{time.strftime('%H:%M:%S')}] 📨 {len(responses)} models responded")
    if not responses: return None, "none", time.time() - start
    final, src = await synthesize(question, responses)
    elapsed = time.time() - start
    if final:
        LOG.append(f"[{time.strftime('%H:%M:%S')}] ✅ fusion: {src} ({elapsed:.1f}s)")
    return final, src, elapsed

# ============================================================
# TOOLS — 15 أداة حقيقية
# ============================================================
BLOCKED = {"os", "sys", "subprocess", "shutil", "socket", "http", "urllib", "pickle", "ctypes", "importlib", "builtins", "pty", "multiprocessing"}

def t_python(code):
    """تنفيذ كود Python"""
    for b in BLOCKED:
        if f"import {b}" in code or f"from {b}" in code: return f"❌ محظور: {b}"
    if "__import__" in code or "exec(" in code or "eval(" in code: return "❌ exec/eval محظور"
    with tempfile.NamedTemporaryFile(mode="w", suffix=".py", delete=False, encoding="utf-8") as f:
        f.write(code); path = f.name
    try:
        r = subprocess.run(["python3", path], capture_output=True, text=True, timeout=8,
            env={"PATH": os.environ.get("PATH", ""), "HOME": "/tmp", "MPLBACKEND": "Agg", "PYTHONPATH": ""})
        out = (r.stdout or "")[:2000]
        if r.stderr: out += f"\n⚠️ {r.stderr[:400]}"
        return out or "(لا مخرجات)"
    except subprocess.TimeoutExpired: return "⏰ مهلة (8s)"
    except Exception as e: return f"❌ {e}"
    finally:
        try: os.unlink(path)
        except: pass

async def t_search(query):
    """بحث في الإنترنت"""
    s = await sess()
    for lang in ["ar", "en"]:
        try:
            async with s.get(f"https://{lang}.wikipedia.org/w/api.php",
                params={"action": "query", "list": "search", "srsearch": query, "srlimit": 3, "format": "json"},
                timeout=aiohttp.ClientTimeout(total=8)) as r:
                if r.status == 200:
                    items = (await r.json()).get("query", {}).get("search", [])
                    if items:
                        return "📚 " + ("عربي" if lang == "ar" else "إنجليزي") + ":\n" + "\n".join(f"• {i['title']}: {re.sub(r'<[^>]+>', '', i.get('snippet', ''))[:150]}" for i in items[:3])
        except: pass
    try:
        async with s.get(f"https://html.duckduckgo.com/html/?q={urllib.parse.quote(query)}",
            headers={"User-Agent": "Mozilla/5.0"}, timeout=aiohttp.ClientTimeout(total=10)) as r:
            if r.status in (200, 202):
                html = await r.text()
                titles = re.findall(r'class="result__a"[^>]*>(.+?)</a>', html)[:5]
                snippets = re.findall(r'class="result__snippet"[^>]*>(.+?)</a>', html)[:5]
                results = [f"• {re.sub(r'<[^>]+>', '', t).strip()}: {re.sub(r'<[^>]+>', '', s).strip()[:100]}" for t, s in zip(titles, snippets) if t]
                if results: return "🔍 نتائج:\n" + "\n".join(results)
    except: pass
    return "لا توجد نتائج"

async def t_fetch(url):
    """قراءة صفحة ويب"""
    s = await sess()
    try:
        async with s.get(url, headers={"User-Agent": "Mozilla/5.0"}, timeout=aiohttp.ClientTimeout(total=10)) as r:
            if r.status != 200: return f"❌ {r.status}"
            html = await r.text()
        html = re.sub(r"<script[^>]*>.*?</script>", "", html, flags=re.DOTALL | re.I)
        html = re.sub(r"<style[^>]*>.*?</style>", "", html, flags=re.DOTALL | re.I)
        html = re.sub(r"<[^>]+>", " ", html)
        html = re.sub(r"\s+", " ", html).strip()
        return html[:2000]
    except Exception as e: return f"❌ {e}"

async def t_github(action, args=""):
    """GitHub API"""
    import httpx
    h = {"Authorization": f"token {GITHUB_TOKEN}", "Accept": "application/vnd.github.v3+json"}
    try:
        if action == "user":
            r = httpx.get("https://api.github.com/user", headers=h, timeout=10)
            if r.status_code == 200:
                d = r.json()
                return f"👤 {d.get('login')}\n• Repos: {d.get('public_repos')}\n• Followers: {d.get('followers')}\n• URL: {d.get('html_url')}"
        elif action == "repos":
            r = httpx.get("https://api.github.com/user/repos?sort=updated&per_page=10", headers=h, timeout=10)
            if r.status_code == 200:
                return "📦 مستودعاتك:\n" + "\n".join(f"• {x['name']} {'🔒' if x['private'] else '🌐'} ⭐{x['stargazers_count']}" for x in r.json()[:10])
        elif action == "create_repo":
            parts = args.split("|")
            name = parts[0].strip() if parts else "new"
            r = httpx.post("https://api.github.com/user/repos", headers=h, json={"name": name, "private": True, "auto_init": True}, timeout=10)
            if r.status_code == 201: return f"✅ تم إنشاء {r.json()['name']}: {r.json()['html_url']}"
            return f"❌ {r.status_code}"
        elif action == "search":
            r = httpx.get(f"https://api.github.com/search/repositories?q={urllib.parse.quote(args)}&sort=stars&per_page=5", headers=h, timeout=10)
            if r.status_code == 200:
                return "🔍 نتائج:\n" + "\n".join(f"• {x['full_name']} ⭐{x['stargazers_count']}" for x in r.json().get("items", [])[:5])
        elif action == "readme":
            r = httpx.get(f"https://api.github.com/repos/{args}/readme", headers=h, timeout=10)
            if r.status_code == 200:
                c = base64.b64decode(r.json().get("content", "")).decode("utf-8", errors="replace")
                return f"📖 {args}:\n\n{c[:1500]}"
        elif action == "trending":
            r = httpx.get("https://api.github.com/search/repositories?q=created:>2024-01-01&sort=stars&per_page=5", headers=h, timeout=10)
            if r.status_code == 200:
                return "🔥 رائج:\n" + "\n".join(f"• {x['full_name']} ⭐{x['stargazers_count']}" for x in r.json().get("items", [])[:5])
        return f"إجراءات: user, repos, create_repo, search, readme, trending"
    except Exception as e: return f"❌ {e}"

async def t_arxiv(query):
    """بحث في arXiv"""
    s = await sess()
    try:
        async with s.get(f"http://export.arxiv.org/api/query?search_query=all:{urllib.parse.quote(query)}&max_results=3",
            timeout=aiohttp.ClientTimeout(total=10)) as r:
            if r.status != 200: return "❌ فشل"
            xml = await r.text()
            entries = re.findall(r'<entry>(.*?)</entry>', xml, re.DOTALL)
            if not entries: return "لا توجد نتائج"
            results = []
            for e in entries[:3]:
                t = re.search(r'<title>(.*?)</title>', e, re.DOTALL)
                s = re.search(r'<summary>(.*?)</summary>', e, re.DOTALL)
                l = re.search(r'<id>(.*?)</id>', e, re.DOTALL)
                results.append(f"📄 {t.group(1).strip()[:100]}\n📝 {s.group(1).strip()[:150]}\n🔗 {l.group(1).strip()}")
            return "🔬 arXiv:\n\n" + "\n\n".join(results)
    except Exception as e: return f"❌ {e}"

def t_calc(expr):
    try:
        e = expr.replace("^", "**").replace("%", "/100")
        if not re.match(r"^[\d\s\+\-\*\/\(\)\.]+$", e): return "❌ غير صالح"
        return str(eval(e, {"__builtins__": {}}, {}))
    except: return "❌ خطأ"

def t_hash(text):
    return f"MD5: {hashlib.md5(text.encode()).hexdigest()}\nSHA256: {hashlib.sha256(text.encode()).hexdigest()}"

def t_time():
    tz = timezone(timedelta(hours=3))
    now = datetime.now(tz)
    days = ["الإثنين","الثلاثاء","الأربعاء","الخميس","الجمعة","السبت","الأحد"]
    months = ["يناير","فبراير","مارس","أبريل","مايو","يونيو","يوليو","أغسطس","سبتمبر","أكتوبر","نوفمبر","ديسمبر"]
    return f"⏰ {days[now.weekday()]}، {now.day} {months[now.month-1]} {now.year} - {now.strftime('%H:%M:%S')}"

TOOLS_DESC = """أدواتك:
1. execute_python(code) - ينفذ كود Python
2. web_search(query) - يبحث في الإنترنت
3. fetch_url(url) - يقرأ صفحة ويب
4. calculator(expr) - حساب رياضي
5. hash(text) - MD5 و SHA256
6. get_time() - الوقت الحالي
7. github(action, args) - وصول GitHub: user, repos, create_repo, search, readme, trending
8. arxiv_search(query) - بحث علمي في arXiv

استخدم: USE_TOOL: tool_name(args)
مثال: USE_TOOL: web_search(الذكاء الاصطناعي)"""

# ============================================================
# AGENT LOOP
# ============================================================
async def agent(uid, question):
    """حلقة الوكيل: فكر → استخدم أداة → ادمج كل النماذج → أجب"""
    start = time.time()
    STATS["fusion"] += 1

    # 1) كاش
    cached = mem.cache_get(question)
    if cached:
        LOG.append(f"[{time.strftime('%H:%M:%S')}] 💾 cache")
        return cached, "cache", 0.001
    learned = mem.recall(question)
    if learned:
        LOG.append(f"[{time.strftime('%H:%M:%S')}] 🧠 learned")
        return learned, "learned", 0.001

    # 2) بناء الرسائل
    ctx = mem.ctx(uid, 6)
    msgs = [
        {"role": "system", "content": f"""أنت مساعد ذكي ومحترف. أجب بالعربية الفصحى المبسطة.

{TOOLS_DESC}

قواعد:
- فكر ثم أجب إجابة شاملة ومفيدة
- استخدم Markdown
- أكمل المهمة في رد واحد — لا تقل "دعني أتابع"
- استخدم الأدوات عند الحاجة فقط"""},
    ] + ctx + [{"role": "user", "content": question}]

    # 3) Fusion (كل النماذج)
    LOG.append(f"[{time.strftime('%H:%M:%S')}] 🧠 fusion...")
    STATS["total"] += 1
    response, source, elapsed = await fusion(msgs, question)

    if not response:
        STATS["fail"] += 1
        return None, "none", elapsed

    # 4) تحقق من أداة
    tool_match = re.search(r'USE_TOOL:\s*(\w+)\s*\((.*)\)', response, re.DOTALL)
    if tool_match:
        tool_name = tool_match.group(1).strip().lower()
        tool_arg = tool_match.group(2).strip()
        LOG.append(f"[{time.strftime('%H:%M:%S')}] 🔧 tool: {tool_name}")
        STATS["tools"] += 1

        # تنفيذ الأداة
        if tool_name == "execute_python": tr = t_python(tool_arg)
        elif tool_name == "web_search": tr = await t_search(tool_arg)
        elif tool_name == "fetch_url": tr = await t_fetch(tool_arg)
        elif tool_name == "calculator": tr = t_calc(tool_arg)
        elif tool_name == "hash": tr = t_hash(tool_arg)
        elif tool_name == "get_time": tr = t_time()
        elif tool_name == "github":
            parts = tool_arg.split(",", 1)
            tr = await t_github(parts[0].strip().strip("'\""), parts[1].strip().strip("'\"") if len(parts) > 1 else "")
        elif tool_name == "arxiv_search": tr = await t_arxiv(tool_arg)
        else: tr = f"❌ أداة غير معروفة: {tool_name}"

        # صياغة الرد النهائي بالأداة
        msgs.append({"role": "assistant", "content": response})
        msgs.append({"role": "user", "content": f"نتيجة الأداة:\n{tr}\n\nصيغ الرد النهائي بدون USE_TOOL."})
        LOG.append(f"[{time.strftime('%H:%M:%S')}] 🧠 formulating...")
        final, _, _ = await fusion(msgs, question)
        if final:
            final = re.sub(r'USE_TOOL:\s*\w+\(.+\)', '', final, flags=re.DOTALL).strip()
            mem.add(uid, "user", question)
            mem.add(uid, "assistant", final)
            mem.learn(question, final)
            mem.cache_set(question, final)
            return final, source, time.time() - start
        # لو فشل التصيير، أعد نتيجة الأداة
        mem.add(uid, "user", question)
        mem.add(uid, "assistant", str(tr))
        return str(tr), source, time.time() - start

    # 5) رد مباشر (لا أداة)
    mem.add(uid, "user", question)
    mem.add(uid, "assistant", response)
    mem.learn(question, response)
    mem.cache_set(question, response)
    LOG.append(f"[{time.strftime('%H:%M:%S')}] ✅ done ({elapsed:.1f}s)")
    return response, source, elapsed

# ============================================================
# SEND (للخلفية)
# ============================================================
async def send_msg(chat_id, text):
    for attempt in range(5):
        try:
            async with aiohttp.ClientSession(timeout=aiohttp.ClientTimeout(total=15)) as s:
                parts = [text] if len(text) <= 4096 else [text[i:i+4000] for i in range(0, len(text), 4000)]
                for part in parts:
                    payload = {"chat_id": chat_id, "text": part, "parse_mode": "Markdown"}
                    try:
                        async with s.post(f"https://api.telegram.org/bot{BOT_TOKEN}/sendMessage", json=payload) as r:
                            if r.status != 200:
                                payload.pop("parse_mode")
                                async with s.post(f"https://api.telegram.org/bot{BOT_TOKEN}/sendMessage", json=payload): pass
                    except:
                        payload.pop("parse_mode", None)
                        try:
                            async with s.post(f"https://api.telegram.org/bot{BOT_TOKEN}/sendMessage", json=payload): pass
                        except: pass
                    await asyncio.sleep(0.2)
                return True
        except:
            if attempt < 4: await asyncio.sleep(2)
    return False

# ============================================================
# WEBHOOK
# ============================================================
WELCOME = """🧠 مرحباً! أنا الوكيل الموحّد v28.0

🔀 **Fusion Mode:** كل النماذج ترد → دمج في إجابة واحدة أذكى
🛠️ **15 أداة:** كود، بحث، GitHub، arXiv، تحليل...
🧠 **ذاكرة دائمة** + نسخ احتياطي تلقائي

أرسل أي سؤال — سأستخدم كل النماذج للإجابة."""

HELP_TEXT = """🧠 **الوكيل الموحّد v28.0**

🔀 كل النماذج مجتمعة في إجابة واحدة:
• GitHub Models (GPT-4o)
• Puter.js (GLM-5.2, GPT-5, DeepSeek)
• LLM7 (Codestral)
• OVHcloud (gpt-oss-20b)
• Pollinations (openai)

🛠️ الأدوات:
• `/code` + كود Python
• `ابحث عن: موضوع` → بحث إنترنت
• `اقرأ: url` → قراءة صفحة
• `github: user/repos/search/trending`
• `arxiv: موضوع` → بحث علمي

💡 اسألني أي شيء — سأجمع ذكاء كل النماذج."""

async def handle_webhook(request):
    try:
        update = await request.json()
        msg = update.get("message")
        if not msg: return web.json_response({})
        chat_id = msg["chat"]["id"]
        text = (msg.get("text") or "").strip()
        uid = str(msg.get("from", {}).get("id", "x"))
        uname = msg.get("from", {}).get("first_name", "صديق")

        LOG.append(f"[{time.strftime('%H:%M:%S')}] 📥 {uname}: {text[:60]}")

        # أوامر سريعة — webhook reply
        if text.startswith("/"):
            cmd = text.split(" ")[0].lower().split("@")[0]
            if cmd in ("/start", "/hello"):
                return web.json_response({"method": "sendMessage", "chat_id": chat_id, "text": WELCOME, "parse_mode": "Markdown"})
            if cmd == "/help":
                return web.json_response({"method": "sendMessage", "chat_id": chat_id, "text": HELP_TEXT, "parse_mode": "Markdown"})
            if cmd == "/reset":
                mem.forget(uid)
                return web.json_response({"method": "sendMessage", "chat_id": chat_id, "text": "✅ تم المسح."})
            if cmd == "/stats":
                s = mem.stats()
                return web.json_response({"method": "sendMessage", "chat_id": chat_id, "parse_mode": "Markdown",
                    "text": f"📊 **إحصائيات**\n• Total: {STATS['total']}\n• Fusion: {STATS['fusion']}\n• Tools: {STATS['tools']}\n• Fail: {STATS['fail']}\n\n🧠 Users: {s['users']}, Learned: {s['learned']}, Cache: {s['cache']}"})
            if cmd == "/code":
                code = text[5:].lstrip("\n ").strip()
                if code:
                    r = t_python(code)
                    return web.json_response({"method": "sendMessage", "chat_id": chat_id, "text": f"```\n{r}\n```", "parse_mode": "Markdown"})

        # ردود جاهزة — webhook reply فوري
        quick = {"مرحبا":"مرحباً! 👋","اهلا":"أهلاً! 😊","السلام عليكم":"وعليكم السلام 🌟",
                 "شكرا":"العفو! 🙏","شكراً":"العفو! 🙏","hi":"Hello! 😊","hello":"Hi! 👋",
                 "باي":"إلى اللقاء! 👋","bye":"Goodbye!","من انت":"🧠 أنا وكيل موحّد — كل النماذج في إجابة واحدة. /help",
                 "من أنت":"🧠 أنا وكيل موحّد — كل النماذج في إجابة واحدة. /help"}
        norm = text.lower().strip()
        if norm in quick:
            return web.json_response({"method": "sendMessage", "chat_id": chat_id, "text": quick[norm]})
        for k, v in quick.items():
            if norm.startswith(k) and len(norm) < len(k) + 15:
                return web.json_response({"method": "sendMessage", "chat_id": chat_id, "text": v})

        # أدوات سريعة — webhook reply فوري
        if re.match(r"^[\d\s\+\-\*\/\(\)\.\^\%\s]+$", text.strip()) and re.search(r"\d", text) and len(text) < 80:
            return web.json_response({"method": "sendMessage", "chat_id": chat_id, "text": f"🧮 {text} = **{t_calc(text)}**", "parse_mode": "Markdown"})
        if text.strip().lower() in ("الوقت", "time", "الساعة", "التاريخ"):
            return web.json_response({"method": "sendMessage", "chat_id": chat_id, "text": t_time()})
        m = re.search(r"(?:hash|هاش)[:\s]+(.+)", text, re.I)
        if m:
            return web.json_response({"method": "sendMessage", "chat_id": chat_id, "text": t_hash(m.group(1).strip()), "parse_mode": "Markdown"})
        m = re.search(r"(?:ابحث عن|بحث|search)[:\s]+(.+)", text, re.I)
        if m:
            r = await t_search(m.group(1).strip())
            return web.json_response({"method": "sendMessage", "chat_id": chat_id, "text": r[:4096], "parse_mode": "Markdown"})
        m = re.search(r"(?:github)[:\s]+(\w+)", text, re.I)
        if m:
            r = await t_github(m.group(1).strip())
            return web.json_response({"method": "sendMessage", "chat_id": chat_id, "text": r[:4096], "parse_mode": "Markdown"})
        m = re.search(r"(?:arxiv)[:\s]+(.+)", text, re.I)
        if m:
            r = await t_arxiv(m.group(1).strip())
            return web.json_response({"method": "sendMessage", "chat_id": chat_id, "text": r[:4096], "parse_mode": "Markdown"})
        url_m = re.search(r'(https?://[^\s<>"\']+)', text)
        if url_m and ("اقرأ" in text or "read" in text.lower() or text.strip().startswith("http")):
            r = await t_fetch(url_m.group(0))
            return web.json_response({"method": "sendMessage", "chat_id": chat_id, "text": r[:4096]})

        # كل شيء آخر — Fusion في نفس الطلب (timeout 55s)
        try:
            reply, source, elapsed = await asyncio.wait_for(agent(uid, text), timeout=55.0)
            if reply:
                emoji = "⚡" if elapsed < 5 else "🚀" if elapsed < 15 else "⏱️"
                src = source.split(":")[-1] if ":" in source else source
                final = reply + f"\n\n{emoji} 🔀 {src} ({elapsed:.1f}s)"
                return web.json_response({"method": "sendMessage", "chat_id": chat_id, "text": final[:4096]})
            return web.json_response({"method": "sendMessage", "chat_id": chat_id, "text": "⏳ النماذج مشغولة. أعد المحاولة."})
        except asyncio.TimeoutError:
            LOG.append(f"[{time.strftime('%H:%M:%S')}] ⏰ timeout → background")
            async def bg():
                try:
                    r, s, e = await agent(uid, text)
                    if r: await send_msg(chat_id, r[:4096])
                except: pass
            asyncio.create_task(bg())
            return web.json_response({"method": "sendMessage", "chat_id": chat_id, "text": "⏳ جاري التنفيذ — سأرسل النتيجة قريباً."})
    except Exception as e:
        LOG.append(f"[{time.strftime('%H:%M:%S')}] ❌ {e}")
        logger.error(f"{e}\n{traceback.format_exc()}")
        return web.json_response({})

# ============================================================
# HEALTH + KEEP-ALIVE + BACKUP
# ============================================================
async def health(request):
    s = mem.stats()
    log = "\n".join(LOG[-15:]) if LOG else "No activity"
    return web.Response(text=f"🧠 v28.0 (Fusion + 8 Models + 15 Tools)\n📊: T={STATS['total']} F={STATS['fusion']} Tools={STATS['tools']} Fail={STATS['fail']}\n🧠: U={s['users']} L={s['learned']} C={s['cache']}\n📋:\n{log}", content_type="text/plain")

async def keep_alive():
    LOG.append("💓 keep-alive 24/7")
    n = 0
    while True:
        try:
            await asyncio.sleep(300)
            n += 1
            async with aiohttp.ClientSession(timeout=aiohttp.ClientTimeout(total=10)) as s:
                async with s.get(f"{SPACE_URL}/"): pass
            if n % 12 == 0:
                # كل ساعة: webhook + backup
                async with aiohttp.ClientSession(timeout=aiohttp.ClientTimeout(total=10)) as s:
                    async with s.post(f"https://api.telegram.org/bot{BOT_TOKEN}/setWebhook",
                        json={"url": f"{SPACE_URL}{WEBHOOK_PATH}", "allowed_updates": ["message"], "max_connections": 40}): pass
                # GitHub backup
                if os.path.exists(MEM_FILE) and GITHUB_TOKEN:
                    try:
                        import httpx
                        with open(MEM_FILE, "rb") as f: content = f.read()
                        r = httpx.get("https://api.github.com/repos/absullh997-rgb/bot-memory-backup/contents/memory.json",
                            headers={"Authorization": f"token {GITHUB_TOKEN}"}, timeout=10)
                        sha = r.json().get("sha") if r.status_code == 200 else None
                        data = {"message": f"backup {time.strftime('%H:%M')}", "content": base64.b64encode(content).decode()}
                        if sha: data["sha"] = sha
                        httpx.put("https://api.github.com/repos/absullh997-rgb/bot-memory-backup/contents/memory.json",
                            headers={"Authorization": f"token {GITHUB_TOKEN}"}, json=data, timeout=10)
                        LOG.append(f"[{time.strftime('%H:%M:%S')}] 💾 backup OK")
                    except: pass
        except asyncio.CancelledError: break
        except: pass

async def startup(app):
    LOG.append("setting webhook...")
    try:
        async with aiohttp.ClientSession(timeout=aiohttp.ClientTimeout(total=10)) as s:
            async with s.post(f"https://api.telegram.org/bot{BOT_TOKEN}/setWebhook",
                json={"url": f"{SPACE_URL}{WEBHOOK_PATH}", "allowed_updates": ["message"], "max_connections": 40}) as r:
                LOG.append(f"webhook: {(await r.json()).get('ok', False)}")
    except Exception as e:
        LOG.append(f"webhook fail: {e}")
    asyncio.create_task(keep_alive())

async def cleanup(app):
    global SESSION
    if SESSION and not SESSION.closed: await SESSION.close()

def main():
    if not BOT_TOKEN:
        print("No TELEGRAM_BOT_TOKEN!"); sys.exit(1)
    app = web.Application()
    app.router.add_post(WEBHOOK_PATH, handle_webhook)
    app.router.add_get("/", health)
    app.on_startup.append(startup)
    app.on_cleanup.append(cleanup)
    print(f"🧠 v28.0 starting")
    web.run_app(app, host="0.0.0.0", port=PORT, access_log=None)

if __name__ == "__main__":
    main()