added authentication to the bot. added bot commnads. added create button for when the db is empty or no data is available to show.

bot/handlers/login.py

@@ -0,0 +1,110 @@
+from telebot import types, TeleBot
+from database.models import Admins
+from bot.handlers.start import startMarkup
+
+
+def register(bot: TeleBot):
+
+    @bot.message_handler(commands=['login'])
+    def start_login(message):
+        # Check if already authenticated
+        if Admins.is_authenticated(message.from_user.id):
+            session_info = Admins.get_session_info(message.from_user.id)
+            bot.send_message(
+                message.chat.id,
+                f"✅ You are already logged in!\n\n"
+                f"Session expires in: {session_info['time_remaining']}"
+            )
+            return
+
+        msg = bot.send_message(
+            message.chat.id,
+            "🔐 Please enter your username:"
+        )
+        bot.register_next_step_handler(msg, get_password)
+
+    def get_password(message):
+        """Get username and ask for password"""
+        username = message.text.strip()
+
+        try:
+            bot.delete_message(message.chat.id, message.message_id)
+        except:
+            pass
+
+        msg = bot.send_message(
+            message.chat.id,
+            f"Username: {username}\n\n🔑 Now enter your password:"
+        )
+        bot.register_next_step_handler(msg, verify_and_login, username)
+
+    def verify_and_login(message, username):
+        """Verify credentials and create session"""
+        password = message.text.strip()
+        telegram_id = message.from_user.id
+
+        try:
+            bot.delete_message(message.chat.id, message.message_id)
+        except:
+            pass
+
+        # Attempt login (this creates the session)
+        if Admins.login(username, password, telegram_id):
+            bot.send_message(
+                message.chat.id,
+                f"✅ Login successful!\n\n"
+                f"Welcome back, {username}!\n"
+                f"Session valid for: {Admins.SESSION_TIMEOUT_HOURS} hours\n"
+                f"Use /session for info about your session, or /logout to logout.",
+                reply_markup=startMarkup()
+            )
+        else:
+            bot.send_message(
+                message.chat.id,
+                "❌ Invalid credentials or unauthorized Telegram account.\n\n"
+                "Please check your username and password.\nContact @HoseinA05 for support."
+            )
+
+    @bot.message_handler(commands=['logout'])
+    def logout(message):
+        """Logout user manually"""
+
+        if not Admins.is_authenticated(message.from_user.id):
+            bot.send_message(message.chat.id, "You are not logged in.")
+            return
+
+        if Admins.logout(message.from_user.id):
+            bot.send_message(
+                message.chat.id,
+                "✅ You have been logged out successfully.\n\n"
+                "Use /login to access admin features again."
+            )
+        else:
+            bot.send_message(
+                message.chat.id, "❌ Logout failed. Please try again later.")
+
+    @bot.message_handler(commands=['session'])
+    def check_session(message):
+        """Check current session status"""
+        session_info = Admins.get_session_info(message.from_user.id)
+
+        if not session_info:
+            bot.send_message(
+                message.chat.id, "❌ You don't have an admin account.")
+            return
+
+        if session_info['is_active']:
+            bot.send_message(
+                message.chat.id,
+                f"✅ Active Session\n\n"
+                f"Username: {session_info['username']}\n"
+                f"Last Login: {session_info['last_login']}\n"
+                f"Time Remaining: {session_info['time_remaining']}"
+            )
+        else:
+            bot.send_message(
+                message.chat.id,
+                f"⏱️ Session Expired\n\n"
+                f"Username: {session_info['username']}\n"
+                f"Please use /login to continue."
+            )