main.py

import time
import api
import random


class User:
    def __init__(self, name, id):
        self.name = name
        self.id = id

def load_all_users():
    all_users = dict()
    
    for user in api.get_users():
        user = User(user["name"], user["id"])
        all_users[user.id] = user
    return all_users        

def start_listener(started, users, latest_messages):
    """
    First stage.
    """
    if not started:
        for message in latest_messages:
            if message["text"] == "start":
                api.post_message("Started%20by%20" + users[message["user"]].name)
                return True
    return False

def register(seconds, all_users):
    """
    Second stage.
    Hold registration open for seconds amount of time.
    """
    participants = []
    started_message = "New%20session%20started.%20Type%20'register'%20to%20enter."
    
    api.post_message(started_message)
    api.post_message("After%2060%20seconds%20a%20loser%20will%20be%20chosen%20to%20bring%20coffee%20for%20the%20winners!")
    time.sleep(5*seconds/6)
    api.post_message("{0}%20seconds%20remaining!".format(seconds/6))
    time.sleep(seconds/6)
    
    for message in api.get_latest_messages(30):                
        if message["text"] == "register":
            api.post_message(all_users[message["user"]].name + "%20registered")
            participants.append(all_users[message["user"]])
            ended = True
        elif message["text"] == started_message.replace("%20", " "):
            break
    return participants

def choose_loser(participants):
    """
    Last stage.
    Shuffles and posts a loser from a list of User objects.
    """
    #Remove duplicate registrations
    participants = list(set(participants))
    
    api.post_message("Registered%20participants:")
    for user in participants:
        api.post_message(user.name)

    api.post_message("Loser:%20{0}!".format(random.choice(participants).name))
    api.post_message("Session%20ended")

def main():
    """
    NOTE:
    ...Needs to be split into a smaller function with while loops outside
    if to be running constantly on server...
    """
    started = False
    api.post_message("New%20session%20active.")
    api.post_message("Type%20'start'%20to%20start.")

    while True:
        
        latest_messages = api.get_latest_messages(5)
        users = load_all_users()
        started = start_listener(started, users, latest_messages)
        participants = []

        if started:
            participants = register(60, users)
            if not participants:
                api.post_message("No%20registrations.")
                break
                
        if participants:
            choose_loser(participants)
            break
        
        else:        
            continue          
        time.sleep(2)
            
if __name__ == "__main__":
    main()