main.py

from typing import Text
import telebot
import time
import credentials 
import character_map

h=0
messages_list=[]
s=set()
quotes = [
    '1. Celebarting 100th aniversary of PEC',
    '2. Robotics society',
    '3. Welcome President of INDIA',
    '4. Before software can be reusable it first has to be usable. – Ralph Johnson',
    '5. Optimism is an occupational hazard of programming: feedback is the treatment. - Kent Beck'
]
# loop through the quotes


bot_token=credentials.bot_token
bot = telebot.TeleBot(token = bot_token)

def check_len():
    '''this function is checking the length of the message list if exceedes 1000 then delete 500 elements '''
    if(len(messages_list)>1000):# to be verified by ans we are deleting element once read by LED
        #have to be deleted in the set also
        
        while len(messages_list)>500:
           a= messages_list.pop(0)
           s.remove(a[1])
           

    pass

def get_message():
  
   # @bot.message_handler(commands=['Quote'])
    

    @bot.message_handler(commands=['Start','start'])
    def star_bot(message):
        for quote in quotes:
            bot.send_message(message.chat.id,quote)
                 
        bot.send_message(message.chat.id,"If you want to print 1st message then send /1 and same for other options.")
   
    
    
    
    @bot.message_handler(commands=['1','2','3'])
    def send_1(message):
        h=message.json['text'][1:]
        
        if(message.chat.id not in s):
            s.add(message.chat.id)
            
            bot.reply_to(message,'Your Request is accepted')
            a=[int(h),message.chat.id]
            messages_list.append(a)
        else:
            bot.reply_to(message,'Your request is already in queue')
        check_len()
        print(messages_list)
    
    
    
  

    
   
    bot.polling()
        

if __name__ == '__main__':
    get_message() # implement a loop so that this bot checks for messages every 10 seconds or maybe multi threading