Update app.py

app.py

@@ -23,9 +23,10 @@ from pydub import AudioSegment
 # --- 1. تنظیمات و متغیرهای سراسری ---
 
 # ⚠️⚠️⚠️ بسیار مهم: این توکن را با توکن واقعی ربات خود که از BotFather دریافت کرده‌اید جایگزین کنید.
-TOKEN = os.getenv("TELEGRAM_BOT_TOKEN", "YOUR_TELEGRAM_BOT_TOKEN_HERE")
-if TOKEN == "YOUR_TELEGRAM_BOT_TOKEN_HERE":
-    print("Error: TELEGRAM_BOT_TOKEN environment variable not set, and no default token provided.", file=sys.stderr)
+# می‌توانید توکن را به عنوان یک متغیر محیطی (Environment Variable) به نام TELEGRAM_BOT_TOKEN نیز تعریف کنید.
+TOKEN = os.getenv("TELEGRAM_BOT_TOKEN", "8035336072:AAHG9REotvM4u8DgreC7hu8gIAroxhS-N-M")
+if "YOUR_TELEGRAM_BOT_TOKEN_HERE" in TOKEN:
+    print("خطا: لطفا توکن ربات تلگرام خود را در کد جایگزین کنید.", file=sys.stderr)
     sys.exit(1)
 
 # نام کاربری ربات و آیدی ادمین
@@ -50,7 +51,7 @@ def load_required_channels():
             with open(CHANNELS_FILE, 'r', encoding='utf-8') as f:
                 return json.load(f)
         except json.JSONDecodeError:
-            print(f"Error decoding JSON from {CHANNELS_FILE}. Starting with empty list.", file=sys.stderr)
+            print(f"خطا در خواندن فایل JSON کانال‌ها: {CHANNELS_FILE}", file=sys.stderr)
             return []
     return []
 
@@ -65,11 +66,11 @@ REQUIRED_CHANNELS = load_required_channels()
 # --- 3. تعریف حالت‌های مکالمه و پیام‌ها ---
 
 # تعریف حالت‌ها
-LANGUAGE_SELECTION, MAIN_MENU, CONVERT_AUDIO, CUT_AUDIO_FILE, CUT_AUDIO_RANGE, \
-    VIDEO_CONVERSION_MODE, WAITING_FOR_MEMBERSHIP, \
-    ADMIN_MENU, ADD_CHANNEL, LIST_REMOVE_CHANNELS = range(10)
+(LANGUAGE_SELECTION, MAIN_MENU, CONVERT_AUDIO, CUT_AUDIO_FILE, CUT_AUDIO_RANGE,
+ VIDEO_CONVERSION_MODE, WAITING_FOR_MEMBERSHIP, ADMIN_MENU, ADD_CHANNEL,
+ LIST_REMOVE_CHANNELS) = range(10)
 
-# دیکشنری پیام‌ها (کپی شده از اسکریپت Colab)
+# دیکشنری پیام‌ها
 MESSAGES = {
     'fa': {
         'start_welcome': "سلام! من یک ربات تبدیل فرمت صوتی و ویدیویی هستم.\n\nبرای شروع، از منوی زیر یک قابلیت را انتخاب کنید.",
@@ -83,7 +84,7 @@ MESSAGES = {
         'error_voice_to_mp3': "❌ خطا در تبدیل ویس تلگرام به MP3: ",
         'general_error': "متاسفم، مشکلی پیش آمد. لطفاً دوباره تلاش کنید.",
         'main_menu_prompt': "چه کاری می‌خواهید روی فایل خود انجام دهید؟",
-        'btn_convert_format': "تغییر فرمت صدا 🎵",
+        'btn_convert_format': "تغییر فرمت صدا �",
         'btn_cut_audio': "برش قسمتی از صدا ✂️",
         'btn_video_conversion': "تبدیل ویدیو دایره‌ای 🎥",
         'convert_mode_active': "شما در حالت 'تغییر فرمت صدا' هستید. حالا فایل صوتی (ویس یا MP3) خود را برای من ارسال کنید.",
@@ -126,7 +127,58 @@ MESSAGES = {
         'bot_not_admin_in_channel': "ربات ادمین کانال '{channel_id}' نیست یا مجوزهای کافی برای بررسی عضویت را ندارد. لطفاً ربات را به عنوان ادمین با مجوز 'بررسی وضعیت اعضا' در کانال اضافه کنید."
     },
     'en': {
-        # ... پیام‌های انگلیسی را برای اختصار حذف کردم، اما شما باید آنها را اینجا کپی کنید ...
+        'start_welcome': "Hello! I am an audio and video format conversion bot.\n\nTo start, select a feature from the menu below.",
+        'choose_language': "Choose your preferred language:",
+        'processing_start': "⏳ Starting processing...",
+        'file_received': "⬇️ File received. Processing...",
+        'conversion_done': "⚙️ Conversion complete. Sending...",
+        'mp3_to_voice_reply': "Your Telegram voice (converted from MP3)",
+        'voice_to_mp3_caption': "Your MP3 file (converted from Telegram voice)",
+        'error_mp3_to_voice': "❌ Error converting MP3 to Telegram voice: ",
+        'error_voice_to_mp3': "❌ Error converting Telegram voice to MP3: ",
+        'general_error': "Sorry, something went wrong. Please try again.",
+        'main_menu_prompt': "What would you like to do with your file?",
+        'btn_convert_format': "Change Audio Format 🎵",
+        'btn_cut_audio': "Cut Part of Audio ✂️",
+        'btn_video_conversion': "Convert Circular Video 🎥",
+        'convert_mode_active': "You are now in 'Change Audio Format' mode. Send me your audio file (voice or MP3).",
+        'cut_mode_active_file': "You are in the 'Cut Audio' section.\n\nFirst, send your audio file (MP3 or voice).",
+        'cut_mode_active_range': "Now send the desired time range for cutting in 'MM.SS-MM.SS' format (example: 00.21-00.54).",
+        'invalid_time_format': "Invalid time format. Please use 'MM.SS-MM.SS' format. (example: 00.21-00.54)",
+        'invalid_time_range': "Invalid time range or end time is less than start time. Please enter a valid range.",
+        'audio_cut_success': "✅ Audio cut successfully. Your file is ready.",
+        'no_audio_for_cut': "No audio file found for cutting. Please send the audio file first.",
+        'cut_processing': "✂️ Cutting audio...",
+        'returning_to_main_menu': "Returning to main menu...",
+        'cancel_message': "Operation cancelled. Returned to main menu.",
+        'video_conversion_mode_active': "You are in 'Circular Video Conversion' mode.\n\nSend me a regular video or a circular video message (Video Message).",
+        'file_received_video': "⬇️ Video file received. Processing...",
+        'converting_video_note_to_video': "🔄 Converting circular video to regular video...",
+        'converting_video_to_video_note': "🔄 Converting regular video to circular video...",
+        'conversion_done_video': "✅ Video conversion successful. Sending...",
+        'video_note_to_video_caption': "Your regular video (converted from circular video)",
+        'video_to_video_note_reply': "Your circular video (converted from regular video)",
+        'error_video_conversion': "❌ Error converting video: ",
+        'invalid_file_type_video': "Please send a video file or a video message.",
+        'membership_required': "To continue using the bot and access unlimited features, please join the following channels first:",
+        'btn_join_channel': "Join Channel 🤝",
+        'btn_check_membership': "Check Membership ✅",
+        'membership_success': "✅ Your membership has been verified! You can now use the bot unlimitedly.",
+        'membership_failed': "❌ Sorry, you are not yet a member of all required channels. Please join first and then press 'Check Membership' again.",
+        'not_admin': "You do not have permission to access this section.",
+        'admin_menu_prompt': "Welcome to the link management panel:",
+        'btn_add_channel': "Add Channel Link ➕",
+        'btn_list_channels': "List Channels & Remove 🗑️",
+        'send_channel_link': "Please send the channel link (e.g., @mychannel) or numeric ID:",
+        'channel_added': "✅ Channel '{channel_id}' successfully added.",
+        'channel_already_exists': "❗️ This channel has already been added.",
+        'no_channels_configured': "No channels configured for membership.",
+        'channel_list_prompt': "Current list of channels for mandatory membership:",
+        'btn_remove_channel': "Remove ❌",
+        'channel_removed': "✅ Channel '{channel_id}' successfully removed.",
+        'channel_not_found': "❗️ Channel not found.",
+        'invalid_channel_id': "Invalid channel ID/link. Please send @username or numeric ID (e.g., -1001234567890).",
+        'bot_not_admin_in_channel': "The bot is not an admin in channel '{channel_id}' or does not have sufficient permissions to check membership. Please add the bot as an admin with 'Check members' permission in the channel."
     }
 }
 
@@ -135,7 +187,8 @@ MESSAGES = {
 def get_message(context, key, **kwargs):
     """پیام مناسب را بر اساس زبان کاربر برمی‌گرداند."""
     lang = context.user_data.get('language', 'fa')
-    message_template = MESSAGES.get(lang, MESSAGES['fa']).get(key, MESSAGES['fa'].get(key, "Message not found"))
+    # Fallback to Persian if language or key is not found
+    message_template = MESSAGES.get(lang, MESSAGES['fa']).get(key, MESSAGES['fa'].get(key, "Message key not found"))
     return message_template.format(**kwargs)
 
 def parse_time_to_ms(time_str):
@@ -158,8 +211,9 @@ async def check_user_membership(update: Update, context):
             chat_member = await context.bot.get_chat_member(chat_id=channel_id, user_id=user_id)
             if chat_member.status not in ['member', 'administrator', 'creator']:
                 return False
-        except Exception:
-            return False # اگر خطایی رخ دهد (مثلاً ربات ادمین نباشد)، دسترسی را رد می‌کنیم
+        except Exception as e:
+            print(f"خطا در بررسی عضویت کانال {channel_id}: {e}", file=sys.stderr)
+            return False
     return True
 
 async def show_membership_required_message(update: Update, context):
@@ -173,13 +227,14 @@ async def show_membership_required_message(update: Update, context):
             chat = await context.bot.get_chat(chat_id=channel_id)
             url = chat.invite_link or (f"https://t.me/{chat.username}" if chat.username else None)
             if url:
-                 keyboard.append([InlineKeyboardButton(f"{get_message(context, 'btn_join_channel')} {chat.title or channel_id}", url=url)])
+                keyboard.append([InlineKeyboardButton(f"{get_message(context, 'btn_join_channel')} {chat.title or channel_id}", url=url)])
         except Exception as e:
-            print(f"Could not get chat info for {channel_id}: {e}", file=sys.stderr)
+            print(f"ناتوان در دریافت اطلاعات کانال {channel_id}: {e}", file=sys.stderr)
+            keyboard.append([InlineKeyboardButton(f"{get_message(context, 'btn_join_channel')} {channel_id}", callback_data=f"no_link_{channel_id}")])
 
     keyboard.append([InlineKeyboardButton(get_message(context, 'btn_check_membership'), callback_data='check_membership')])
     reply_markup = InlineKeyboardMarkup(keyboard)
-    
+
     message_sender = update.callback_query.edit_message_text if update.callback_query else update.effective_message.reply_text
     await message_sender(get_message(context, 'membership_required'), reply_markup=reply_markup)
     return WAITING_FOR_MEMBERSHIP
@@ -228,14 +283,11 @@ async def show_main_menu(update: Update, context):
         [InlineKeyboardButton(get_message(context, 'btn_video_conversion'), callback_data='select_video_conversion')]
     ]
     reply_markup = InlineKeyboardMarkup(keyboard)
-    
+
     message_sender = update.callback_query.edit_message_text if update.callback_query else update.message.reply_text
     await message_sender(text=get_message(context, 'main_menu_prompt'), reply_markup=reply_markup)
     return MAIN_MENU
 
-# ... (تمام توابع دیگر مانند change_format_selected, handle_audio, handle_voice, handle_cut_audio_file و غیره باید اینجا کپی شوند)
-# برای جلوگیری از طولانی شدن بیش از حد، فقط چند تابع کلیدی را می‌آورم و شما باید بقیه را به همین شکل اضافه کنید.
-
 async def change_format_selected(update: Update, context):
     query = update.callback_query
     await query.answer()
@@ -256,23 +308,254 @@ async def video_conversion_selected(update: Update, context):
     return VIDEO_CONVERSION_MODE
 
 async def handle_audio(update: Update, context):
+    """فایل MP3 را به ویس تلگرام تبدیل می‌کند."""
     async def _perform_conversion(update, context):
-        # منطق کامل تابع handle_audio شما از فایل Colab
         file_id = update.message.audio.file_id
-        download_path = os.path.join(DOWNLOAD_DIR, f"audio_{file_id}.mp3")
-        output_ogg_path = os.path.join(OUTPUT_DIR, f"voice_{file_id}.ogg")
-        # بقیه کد...
-        await update.message.reply_text("Audio conversion logic goes here.") # Placeholder
+        file_name = update.message.audio.file_name or f"audio_{file_id}.mp3"
+        processing_message = await update.message.reply_text(get_message(context, 'processing_start'))
+        download_path = os.path.join(DOWNLOAD_DIR, f"in_{file_id}.mp3")
+        output_ogg_path = os.path.join(OUTPUT_DIR, f"out_{file_id}.ogg")
+
+        try:
+            new_file = await context.bot.get_file(file_id)
+            await new_file.download_to_drive(download_path)
+            await processing_message.edit_text(get_message(context, 'file_received'))
+
+            audio = AudioSegment.from_file(download_path)
+            audio.export(output_ogg_path, format="ogg", codec="libopus", parameters=["-b:a", "32k"])
+            await processing_message.edit_text(get_message(context, 'conversion_done'))
+
+            with open(output_ogg_path, 'rb') as f:
+                await update.message.reply_voice(f, reply_to_message_id=update.message.message_id)
+            await processing_message.delete()
+        except Exception as e:
+            print(f"خطا در تبدیل MP3 به ویس: {e}", file=sys.stderr)
+            await processing_message.edit_text(get_message(context, 'error_mp3_to_voice') + str(e))
+        finally:
+            if os.path.exists(download_path): os.remove(download_path)
+            if os.path.exists(output_ogg_path): os.remove(output_ogg_path)
         return CONVERT_AUDIO
     return await process_feature_or_check_membership(update, context, _perform_conversion)
-    
-# شما باید تمام توابع دیگر را به همین شکل کامل کنید
-# handle_voice, handle_cut_audio_file, handle_cut_audio_range, handle_video_conversion
-# admin_link_command, admin_add_channel_prompt, و غیره
+
+async def handle_voice(update: Update, context):
+    """ویس تلگرام را به فایل MP3 تبدیل می‌کند."""
+    async def _perform_conversion(update, context):
+        file_id = update.message.voice.file_id
+        processing_message = await update.message.reply_text(get_message(context, 'processing_start'))
+        download_path = os.path.join(DOWNLOAD_DIR, f"in_{file_id}.ogg")
+        output_mp3_path = os.path.join(OUTPUT_DIR, f"@{BOT_USERNAME}_{file_id}.mp3")
+
+        try:
+            new_file = await context.bot.get_file(file_id)
+            await new_file.download_to_drive(download_path)
+            await processing_message.edit_text(get_message(context, 'file_received'))
+
+            audio = AudioSegment.from_file(download_path, format="ogg")
+            audio.export(output_mp3_path, format="mp3", tags={'album': BOT_USERNAME, 'artist': BOT_USERNAME})
+            await processing_message.edit_text(get_message(context, 'conversion_done'))
+
+            with open(output_mp3_path, 'rb') as f:
+                await update.message.reply_audio(f, caption=get_message(context, 'voice_to_mp3_caption'), reply_to_message_id=update.message.message_id)
+            await processing_message.delete()
+        except Exception as e:
+            print(f"خطا در تبدیل ویس به MP3: {e}", file=sys.stderr)
+            await processing_message.edit_text(get_message(context, 'error_voice_to_mp3') + str(e))
+        finally:
+            if os.path.exists(download_path): os.remove(download_path)
+            if os.path.exists(output_mp3_path): os.remove(output_mp3_path)
+        return CONVERT_AUDIO
+    return await process_feature_or_check_membership(update, context, _perform_conversion)
+
+async def handle_cut_audio_file(update: Update, context):
+    """فایل صوتی برای برش را دریافت می‌کند."""
+    async def _perform_file_receive(update, context):
+        audio_file = update.message.audio or update.message.voice
+        file_id = audio_file.file_id
+        ext = 'mp3' if update.message.audio else 'ogg'
+        download_path = os.path.join(DOWNLOAD_DIR, f"cut_in_{file_id}.{ext}")
+        
+        try:
+            new_file = await context.bot.get_file(file_id)
+            await new_file.download_to_drive(download_path)
+            context.user_data['audio_for_cut_path'] = download_path
+            context.user_data['audio_for_cut_type'] = ext
+            await update.message.reply_text(get_message(context, 'cut_mode_active_range'))
+            return CUT_AUDIO_RANGE
+        except Exception as e:
+            print(f"خطا در دریافت فایل صوتی برای برش: {e}", file=sys.stderr)
+            await update.message.reply_text(get_message(context, 'general_error'))
+            return CUT_AUDIO_FILE
+    return await process_feature_or_check_membership(update, context, _perform_file_receive)
+
+async def handle_cut_audio_range(update: Update, context):
+    """بازه زمانی را دریافت کرده و صدا را برش می‌دهد."""
+    async def _perform_cut(update, context):
+        time_range_str = update.message.text
+        audio_path = context.user_data.get('audio_for_cut_path')
+        audio_type = context.user_data.get('audio_for_cut_type')
+
+        if not audio_path or not os.path.exists(audio_path):
+            await update.message.reply_text(get_message(context, 'no_audio_for_cut'))
+            return CUT_AUDIO_FILE
+
+        processing_message = await update.message.reply_text(get_message(context, 'cut_processing'))
+        output_cut_path = os.path.join(OUTPUT_DIR, f"cut_out_{os.path.basename(audio_path)}.mp3")
+        
+        try:
+            start_time_str, end_time_str = time_range_str.split('-')
+            start_ms = parse_time_to_ms(start_time_str.strip())
+            end_ms = parse_time_to_ms(end_time_str.strip())
+
+            if start_ms >= end_ms:
+                await processing_message.edit_text(get_message(context, 'invalid_time_range'))
+                return CUT_AUDIO_RANGE
+
+            audio = AudioSegment.from_file(audio_path, format=audio_type)
+            cut_audio = audio[start_ms:end_ms]
+            cut_audio.export(output_cut_path, format="mp3")
+
+            await processing_message.edit_text(get_message(context, 'audio_cut_success'))
+            with open(output_cut_path, 'rb') as f:
+                await update.message.reply_audio(f, caption=f"برش از {start_time_str} تا {end_time_str}")
+            await processing_message.delete()
+            return await show_main_menu(update, context)
+        except ValueError:
+            await processing_message.edit_text(get_message(context, 'invalid_time_format'))
+            return CUT_AUDIO_RANGE
+        except Exception as e:
+            print(f"خطا در برش صدا: {e}", file=sys.stderr)
+            await processing_message.edit_text(get_message(context, 'general_error'))
+            return await show_main_menu(update, context)
+        finally:
+            if os.path.exists(audio_path): os.remove(audio_path)
+            if os.path.exists(output_cut_path): os.remove(output_cut_path)
+            context.user_data.pop('audio_for_cut_path', None)
+            context.user_data.pop('audio_for_cut_type', None)
+    return await process_feature_or_check_membership(update, context, _perform_cut)
+
+async def handle_video_conversion(update: Update, context):
+    """تبدیل بین ویدیو معمولی و دایره‌ای را انجام می‌دهد."""
+    async def _perform_video_conversion(update, context):
+        is_video_note = bool(update.message.video_note)
+        file_to_process = update.message.video_note if is_video_note else update.message.video
+        
+        file_id = file_to_process.file_id
+        download_path = os.path.join(DOWNLOAD_DIR, f"vid_in_{file_id}.mp4")
+        output_path = os.path.join(OUTPUT_DIR, f"vid_out_{file_id}.mp4")
+        processing_message = await update.message.reply_text(get_message(context, 'processing_start'))
+
+        try:
+            new_file = await context.bot.get_file(file_id)
+            await new_file.download_to_drive(download_path)
+            await processing_message.edit_text(get_message(context, 'file_received_video'))
+
+            if is_video_note:
+                await processing_message.edit_text(get_message(context, 'converting_video_note_to_video'))
+                ffmpeg_command = ['ffmpeg', '-i', download_path, '-c:v', 'libx264', '-crf', '23', '-preset', 'medium', '-c:a', 'aac', '-b:a', '128k', '-movflags', '+faststart', output_path]
+            else:
+                await processing_message.edit_text(get_message(context, 'converting_video_to_video_note'))
+                ffmpeg_command = ['ffmpeg', '-i', download_path, '-vf', 'crop=min(iw\,ih):min(iw\,ih),scale=640:640', '-c:v', 'libx264', '-crf', '28', '-preset', 'veryfast', '-an', output_path]
+            
+            subprocess.run(ffmpeg_command, check=True, capture_output=True)
+            await processing_message.edit_text(get_message(context, 'conversion_done_video'))
+
+            with open(output_path, 'rb') as f:
+                if is_video_note:
+                    await update.message.reply_video(f, caption=get_message(context, 'video_note_to_video_caption'))
+                else:
+                    await update.message.reply_video_note(f)
+            await processing_message.delete()
+        except subprocess.CalledProcessError as e:
+            print(f"خطای FFmpeg: {e.stderr.decode()}", file=sys.stderr)
+            await processing_message.edit_text(get_message(context, 'error_video_conversion') + "خطای FFmpeg")
+        except Exception as e:
+            print(f"خطای کلی تبدیل ویدیو: {e}", file=sys.stderr)
+            await processing_message.edit_text(get_message(context, 'error_video_conversion') + str(e))
+        finally:
+            if os.path.exists(download_path): os.remove(download_path)
+            if os.path.exists(output_path): os.remove(output_path)
+        return VIDEO_CONVERSION_MODE
+    return await process_feature_or_check_membership(update, context, _perform_video_conversion)
+
+async def check_membership_callback(update: Update, context):
+    """دکمه 'بررسی عضویت' را مدیریت می‌کند."""
+    query = update.callback_query
+    await query.answer()
+    is_member = await check_user_membership(update, context)
+    if is_member:
+        context.user_data['is_member'] = True
+        await query.edit_message_text(get_message(context, 'membership_success'))
+        return await show_main_menu(update, context)
+    else:
+        await query.answer(get_message(context, 'membership_failed'), show_alert=True)
+        return WAITING_FOR_MEMBERSHIP
+
+async def admin_link_command(update: Update, context):
+    """دستور /link برای ادمین."""
+    if update.effective_user.id != ADMIN_ID:
+        await update.message.reply_text(get_message(context, 'not_admin'))
+        return ConversationHandler.END
+    keyboard = [
+        [InlineKeyboardButton(get_message(context, 'btn_add_channel'), callback_data='admin_add_channel')],
+        [InlineKeyboardButton(get_message(context, 'btn_list_channels'), callback_data='admin_list_channels')]
+    ]
+    await update.message.reply_text(get_message(context, 'admin_menu_prompt'), reply_markup=InlineKeyboardMarkup(keyboard))
+    return ADMIN_MENU
+
+async def admin_add_channel_prompt(update: Update, context):
+    query = update.callback_query
+    await query.answer()
+    await query.edit_message_text(get_message(context, 'send_channel_link'))
+    return ADD_CHANNEL
+
+async def admin_handle_add_channel(update: Update, context):
+    """کانال جدید را از ادمین دریافت و اضافه می‌کند."""
+    channel_input = update.message.text.strip()
+    if not (channel_input.startswith('@') or channel_input.startswith('-100')):
+        await update.message.reply_text(get_message(context, 'invalid_channel_id'))
+        return ADD_CHANNEL
+    try:
+        await context.bot.get_chat(channel_input) # Check if bot can access the channel
+        if channel_input not in REQUIRED_CHANNELS:
+            REQUIRED_CHANNELS.append(channel_input)
+            save_required_channels(REQUIRED_CHANNELS)
+            await update.message.reply_text(get_message(context, 'channel_added', channel_id=channel_input))
+        else:
+            await update.message.reply_text(get_message(context, 'channel_already_exists'))
+    except Exception as e:
+        await update.message.reply_text(get_message(context, 'bot_not_admin_in_channel', channel_id=channel_input) + f"\nError: {e}")
+    return await admin_link_command(update, context)
+
+async def admin_list_channels(update: Update, context):
+    """لیست کانال‌ها را با دکمه حذف نمایش می‌دهد."""
+    query = update.callback_query
+    await query.answer()
+    if not REQUIRED_CHANNELS:
+        await query.edit_message_text(get_message(context, 'no_channels_configured'))
+        return ADMIN_MENU
+    keyboard = []
+    for channel_id in REQUIRED_CHANNELS:
+        keyboard.append([InlineKeyboardButton(f"{get_message(context, 'btn_remove_channel')} {channel_id}", callback_data=f'remove_channel_{channel_id}')])
+    await query.edit_message_text(get_message(context, 'channel_list_prompt'), reply_markup=InlineKeyboardMarkup(keyboard))
+    return LIST_REMOVE_CHANNELS
+
+async def admin_handle_remove_channel(update: Update, context):
+    """یک کانال را از لیست حذف می‌کند."""
+    query = update.callback_query
+    await query.answer()
+    channel_id_to_remove = query.data.replace('remove_channel_', '')
+    if channel_id_to_remove in REQUIRED_CHANNELS:
+        REQUIRED_CHANNELS.remove(channel_id_to_remove)
+        save_required_channels(REQUIRED_CHANNELS)
+        await query.edit_message_text(get_message(context, 'channel_removed', channel_id=channel_id_to_remove))
+    else:
+        await query.edit_message_text(get_message(context, 'channel_not_found'))
+    return await admin_link_command(update, context)
 
 async def cancel(update: Update, context):
     """عملیات را لغو کرده و به منوی اصلی برمی‌گردد."""
-    await update.message.reply_text(get_message(context, 'cancel_message'))
+    message = update.message or update.callback_query.message
+    await message.reply_text(get_message(context, 'cancel_message'))
     context.user_data.clear()
     return await show_main_menu(update, context)
 
@@ -280,7 +563,6 @@ async def error_handler(update: object, context: object) -> None:
     """لاگ کردن خطاها."""
     print(f"Update {update} caused error {context.error}", file=sys.stderr)
 
-
 # --- 6. بخش مربوط به Flask و Webhook ---
 
 app = Flask(__name__)
@@ -293,12 +575,8 @@ async def get_telegram_application():
         print("Initializing Telegram bot Application for this worker...")
         application = Application.builder().token(TOKEN).build()
 
-        # ConversationHandler کامل شده از اسکریپت Colab
         conv_handler = ConversationHandler(
-            entry_points=[
-                CommandHandler("start", start),
-                # CommandHandler("link", admin_link_command) # این را هم اضافه کنید
-            ],
+            entry_points=[CommandHandler("start", start), CommandHandler("link", admin_link_command)],
             states={
                 LANGUAGE_SELECTION: [CallbackQueryHandler(set_language, pattern='^set_lang_')],
                 MAIN_MENU: [
@@ -307,12 +585,21 @@ async def get_telegram_application():
                     CallbackQueryHandler(video_conversion_selected, pattern='^select_video_conversion$'),
                 ],
                 CONVERT_AUDIO: [
-                    MessageHandler(filters.AUDIO, handle_audio),
-                    # MessageHandler(filters.VOICE, handle_voice),
+                    MessageHandler(filters.AUDIO & ~filters.COMMAND, handle_audio),
+                    MessageHandler(filters.VOICE & ~filters.COMMAND, handle_voice),
+                ],
+                CUT_AUDIO_FILE: [MessageHandler((filters.AUDIO | filters.VOICE) & ~filters.COMMAND, handle_cut_audio_file)],
+                CUT_AUDIO_RANGE: [MessageHandler(filters.TEXT & ~filters.COMMAND, handle_cut_audio_range)],
+                VIDEO_CONVERSION_MODE: [MessageHandler((filters.VIDEO | filters.VIDEO_NOTE) & ~filters.COMMAND, handle_video_conversion)],
+                WAITING_FOR_MEMBERSHIP: [CallbackQueryHandler(check_membership_callback, pattern='^check_membership$')],
+                ADMIN_MENU: [
+                    CallbackQueryHandler(admin_add_channel_prompt, pattern='^admin_add_channel$'),
+                    CallbackQueryHandler(admin_list_channels, pattern='^admin_list_channels$'),
                 ],
-                # ... بقیه state ها
+                ADD_CHANNEL: [MessageHandler(filters.TEXT & ~filters.COMMAND, admin_handle_add_channel)],
+                LIST_REMOVE_CHANNELS: [CallbackQueryHandler(admin_handle_remove_channel, pattern='^remove_channel_')],
             },
-            fallbacks=[CommandHandler("cancel", cancel)],
+            fallbacks=[CommandHandler("cancel", cancel), CommandHandler("start", start)],
             allow_reentry=True
         )
 
@@ -326,30 +613,39 @@ async def get_telegram_application():
 @app.route("/")
 def index():
     """یک صفحه ساده برای اطمینان از بالا بودن سرور."""
-    return "Hello, I am the Telegram bot server."
+    return "Hello, I am the Telegram bot server. The bot is running."
 
 @app.route("/webhook", methods=["POST"])
 async def webhook():
     """این مسیر آپدیت‌ها را از تلگرام دریافت می‌کند."""
-    application = await get_telegram_application()
-    update = Update.de_json(request.get_json(force=True), application.bot)
-    await application.process_update(update)
-    return "ok"
+    try:
+        application = await get_telegram_application()
+        update = Update.de_json(request.get_json(force=True), application.bot)
+        await application.process_update(update)
+        return "ok"
+    except Exception as e:
+        print(f"Error in webhook: {e}", file=sys.stderr)
+        return "error", 500
 
 @app.route("/set_webhook", methods=["GET"])
 async def set_webhook_route():
     """یک مسیر برای تنظیم وبهوک به صورت خودکار."""
-    application = await get_telegram_application()
     webhook_url = os.getenv("WEBHOOK_URL")
     if not webhook_url:
-        return "WEBHOOK_URL environment variable not set.", 500
-    
+        return jsonify({"status": "error", "message": "WEBHOOK_URL environment variable not set."}), 500
+
     if not webhook_url.endswith("/webhook"):
         webhook_url = f"{webhook_url.rstrip('/')}/webhook"
 
-    await application.bot.set_webhook(url=webhook_url)
-    return f"Webhook set to {webhook_url}"
+    try:
+        application = await get_telegram_application()
+        await application.bot.set_webhook(url=webhook_url)
+        return jsonify({"status": "success", "message": f"Webhook set to {webhook_url}"})
+    except Exception as e:
+        print(f"Failed to set webhook: {e}", file=sys.stderr)
+        return jsonify({"status": "error", "message": f"Failed to set webhook: {e}"}), 500
 
 if __name__ == "__main__":
     # این بخش برای اجرای محلی (local) سرور Flask است
-    app.run(host='0.0.0.0', port=int(os.environ.get("PORT", 8080)))
+    # در محیط‌های production مانند Hugging Face، یک وب سرور مانند Gunicorn این فایل را اجرا می‌کند.
+    app.run(host='0.0.0.0', port=int(os.environ.get("PORT", 7860)))