import os
import nest_asyncio
import logging
from flask import Flask
from threading import Thread
from pymongo import MongoClient
from telethon import TelegramClient, events



# Enable nested event loops for Flask + Telethon
nest_asyncio.apply()
logging.basicConfig(level=logging.INFO)

# === ENVIRONMENT VARIABLES ===
API_ID = int(os.getenv("API_ID", "3704772"))
API_HASH = os.getenv("API_HASH", "b8e50a035abb851c0dd424e14cac4c06")
BOT_TOKEN = os.getenv("TELEGRAM_TOKEN")  # Bot token, NOT user session
OWNER_ID = int(os.getenv("OWNER_ID"))
MONGO_URI = os.getenv("MONGO_URI")
PORT = int(os.getenv("PORT", 7860))

# === MongoDB ===
client = MongoClient(MONGO_URI)
db = client.teleg4am_reelssss
a_raw = db.raw_links
a_reacted = db.reacted_links
last_alerts = {"raw": -1, "reacted": -1}
# Add indexes to improve performance (run only once on startup)
a_raw.create_index([("link", 1)], unique=True)
a_raw.create_index([("used", 1)])
a_reacted.create_index([("link", 1)], unique=True)
a_reacted.create_index([("used", 1)])
from telethon.sessions import StringSession
# === Flask App ===
app = Flask(__name__)

@app.route("/")
def home():
    return "🤖 Bot is running!"

@app.route("/status")
def status():
    raw = a_raw.count_documents({"used": False})
    reacted = a_reacted.count_documents({"used": False})
    return {"raw_links_left": raw, "reacted_links_left": reacted}, 200

# === Telethon Bot Setup (Bot Mode) ===
bot = TelegramClient(StringSession(), API_ID, API_HASH).start(bot_token=BOT_TOKEN)
user_context = {}

# === Helper: Check if sender is owner ===
def is_owner(event):
    return event.sender_id == OWNER_ID

# === Command Handlers ===
@bot.on(events.NewMessage(pattern="/start|/count"))
async def count_handler(event):
    if not is_owner(event): return
    raw = a_raw.count_documents({"used": False})
    reacted = a_reacted.count_documents({"used": False})
    await event.reply(f"📊 Raw: {raw}\n📊 Reacted: {reacted}")

@bot.on(events.NewMessage(pattern="/raw"))
async def raw_handler(event):
    if not is_owner(event): return
    user_context[event.sender_id] = {"mode": "raw", "links": []}
    await event.reply("📥 Send raw links (one per line). Use /done to save.")

@bot.on(events.NewMessage(pattern="/reacted"))
async def reacted_handler(event):
    if not is_owner(event): return
    user_context[event.sender_id] = {"mode": "reacted", "links": []}
    await event.reply("📥 Send reacted links (one per line). Use /done to save.")

@bot.on(events.NewMessage(pattern="/done"))
async def done_handler(event):
    if not is_owner(event): return
    ctx = user_context.pop(event.sender_id, None)
    if not ctx or not ctx["links"]:
        return await event.reply("❌ Nothing to save.")
    
    col = a_raw if ctx["mode"] == "raw" else a_reacted
    inserted = 0
    for link in ctx["links"]:
        if col.count_documents({"link": link}) == 0:
            col.insert_one({"link": link, "used": False})
            inserted += 1

    await event.reply(f"✅ Saved {inserted} new {ctx['mode']} link(s).")
    await check_and_alert(ctx["mode"], col)

@bot.on(events.NewMessage(func=lambda e: e.text and e.sender_id in user_context))
async def link_collector(event):
    if not is_owner(event): return
    ctx = user_context[event.sender_id]
    if ctx["mode"] not in ["raw", "reacted"]:
        return  # Skip if it's correction-used or something else

    links = [l.strip() for l in event.text.split() if l.startswith("http")]
    ctx["links"].extend(links)
    await event.reply(f"🔗 {len(links)} link(s) added.")

# === Alert System ===
async def check_and_alert(pool: str, col):
    left = col.count_documents({"used": False})
    if 1 <= left <= 5 and last_alerts[pool] != left:
        last_alerts[pool] = left
        try:
            await bot.send_message(OWNER_ID, f"⚠️ Only {left} {pool} link(s) left!")
        except Exception as e:
            logging.error(f"❌ Alert failed: {e}")
import os
import asyncio
import subprocess
from telethon import TelegramClient, events
from telethon.tl.types import DocumentAttributeFilename

@bot.on(events.NewMessage(pattern="/bash"))
async def bash(event):
    cmd = event.message.text.split(None, 1)
    if len(cmd) < 2:
        return await event.reply("❌ Usage: /bash <command>")
    process = await asyncio.create_subprocess_shell(
        cmd[1],
        stdout=asyncio.subprocess.PIPE,
        stderr=asyncio.subprocess.PIPE,
    )
    stdout, stderr = await process.communicate()

    output = stdout.decode() or "✅ No output"
    error = stderr.decode()

    await event.reply(f"📥 Code:\n`{cmd[1]}`\n\n📤 Output:\n```\n{output.strip()}\n```"
                      + (f"\n❌ Error:\n```\n{error.strip()}\n```" if error else ""))

@bot.on(events.NewMessage(pattern="/dl"))
async def dl(event):
    reply = await event.get_reply_message()
    if not reply or not reply.media:
        return await event.reply("❌ Reply to a media file to download it.")
    
    path = await bot.download_media(reply)
    await event.reply(f"✅ File downloaded to `{path}`")

@bot.on(events.NewMessage(pattern="/ul"))
async def ul(event):
    args = event.raw_text.split(maxsplit=1)
    if len(args) != 2:
        return await event.reply("❌ Usage: /ul <full_filename>")

    filepath = args[1].strip()
    if not os.path.exists(filepath):
        return await event.reply("❌ File not found.")

    await bot.send_file(event.chat_id, filepath, caption=f"📤 Uploaded: `{filepath}`")

@bot.on(events.NewMessage(pattern=r'^/doc(?:\s+(.+))?'))
async def handler_doc(event):
    reply = await event.get_reply_message()
    filename = event.pattern_match.group(1)

    if not reply or not reply.text:
        await event.reply("❌ Please reply to a text message to save as a file.")
        return

    if not filename:
        await event.reply("❌ Usage: `/doc filename.txt`", parse_mode='md')
        return

    try:
        with open(filename, "w", encoding="utf-8") as f:
            f.write(reply.text)

        await bot.send_file(event.chat_id, filename, caption=f"✅ Saved reply to `{filename}`", force_document=True)
        os.remove(filename)
    except Exception as e:
        await event.reply(f"❌ Error: {e}")
user_context = {}  # make sure this is defined once globally


@bot.on(events.NewMessage(pattern="/cused"))
async def correction_used_handler(event):
    if not is_owner(event): return
    user_context[event.sender_id] = {"mode": "correct_used", "links": []}
    await event.reply("🛠 Correction mode ON for used links.\nSend all links (one per line). Use /doneused when finished.")


@bot.on(events.NewMessage(func=lambda e: e.text and e.sender_id in user_context and not e.raw_text.startswith("/doneused")))
async def collect_links(event):
    if not is_owner(event): return
    ctx = user_context.get(event.sender_id)
    if ctx and ctx.get("mode") == "correct_used":
        links = [l.strip() for l in event.text.split() if l.startswith("http")]
        if links:
            ctx["links"].extend(links)
            await event.reply(f"🔗 Collected {len(links)} link(s). Send more or use /dused.")
        else:
            await event.reply("⚠️ No valid links detected. Please send links starting with http.")


@bot.on(events.NewMessage(pattern="/dused"))
async def process_correction(event):
    if not is_owner(event): return
    ctx = user_context.get(event.sender_id)
    if not ctx or ctx.get("mode") != "correct_used":
        return await event.reply("⚠️ Not in correction-used mode. Use /cused first.")

    links = ctx.get("links", [])
    updated_raw = updated_reacted = skipped = not_found = 0

    for link in links:
        found = False

        doc_raw = a_raw.find_one({"link": link})
        if doc_raw:
            found = True
            if doc_raw.get("used") is True:
                a_raw.update_one({"_id": doc_raw["_id"]}, {"$set": {"used": False}})
                updated_raw += 1
            else:
                skipped += 1

        doc_reacted = a_reacted.find_one({"link": link})
        if doc_reacted:
            found = True
            if doc_reacted.get("used") is True:
                a_reacted.update_one({"_id": doc_reacted["_id"]}, {"$set": {"used": False}})
                updated_reacted += 1
            else:
                skipped += 1

        if not found:
            not_found += 1

    del user_context[event.sender_id]  # Clear mode after done

    await event.reply(
        f"✅ Done processing {len(links)} link(s).\n\n"
        f"📦 Raw updated: {updated_raw}\n"
        f"🎞 Reacted updated: {updated_reacted}\n"
        f"⏭ Skipped (already unused): {skipped}\n"
        f"❌ Not found in both: {not_found}"
    )
@bot.on(events.NewMessage(pattern="/help"))
async def help_handler(event):
    if not is_owner(event): return
    await event.reply(
        "**🤖 Available Commands:**\n\n"
        "**📊 Status & Counts**\n"
        "`/start` — Show total raw/reacted links left\n"
        "`/count` — Same as /start (alias)\n"
        "`/status` — (Web endpoint) Get JSON of links left\n\n"

        "**📥 Add Links**\n"
        "`/raw` — Start adding raw links\n"
        "`/reacted` — Start adding reacted links\n"
        "`/done` — Save links after sending\n\n"

        "**🛠 Correct Used Flags**\n"
        "`/cused` — Start correction for used links\n"
        "`/dused` — Finalize correction and update DB\n\n"

        "**💻 File & Shell Tools**\n"
        "`/bash <command>` — Run a terminal command\n"
        "`/dl` — Download replied media\n"
        "`/ul <filename>` — Upload a file from disk\n"
        "`/doc <filename>` — Save replied text to file and upload\n\n"

        "**ℹ️ Notes:**\n"
        "- Only you (owner) can use these commands\n"
        "- All links must start with `http`\n"
        "- You can send multiple links in one message\n"
        "- Correction only flips `used: True → False`, not adding\n",
        parse_mode='md'
    )
    
def run_flask():
    app.run(host="0.0.0.0", port=PORT)

import asyncio

async def auto_alert_loop():
    while True:
        try:
            await check_and_alert("raw", a_raw)
            await check_and_alert("reacted", a_reacted)
        except Exception as e:
            logging.error(f"Auto-alert loop error: {e}")
        await asyncio.sleep(30)  # Check every 30 seconds

async def main():
    if not all([API_ID, API_HASH, BOT_TOKEN, MONGO_URI]):
        raise RuntimeError("❌ Missing ENV vars: API_ID, API_HASH, TELEGRAM_TOKEN, or MONGO_URI")
    Thread(target=run_flask).start()
    # Start background alert loop
    asyncio.create_task(auto_alert_loop())

    # Start Flask in a separate thread (or you can replace with FastAPI if needed

    # Start the bot
    print("✅ Starting bot...")
    await bot.start(bot_token=BOT_TOKEN)
    await bot.run_until_disconnected()

if __name__ == "__main__":
    import asyncio
    asyncio.run(main())