discordbot/bot.py

#!/usr/bin/env python3
import discord
from discord.ext import commands, tasks
from discord.utils import get
from discord import FFmpegPCMAudio
from sqlite3 import connect
from datetime import datetime, timedelta
from config import *
from requests import get
from json import loads
from os.path import isfile
from os import rename, remove
from youtube_dl import YoutubeDL
from time import time
from asyncio import sleep
from threading import Thread

polls = {}
player = None #the Player for the music Bot
playerServer = None #The Server the player is active at the moment
downloadQue = []
playerQue = []
titleQue = []
fileIndex = 0
playing = False

bot = commands.Bot(command_prefix=prefix)

dbconnection = connect('database.db')
dbcursor = dbconnection.cursor()

try: #try to create the database tables, if it fails they were created previosly
    sql = "CREATE TABLE MESSAGES(user LONG, server LONG, textXP LONG, reactionXP LONG, vcXP LONG)"
    sql2 = "CREATE TABLE VcActive (user LONG, startTime LONG)"
    sql3 = "CREATE TABLE poll (pollID LONG, reaction STRING, calls LONG)"
    dbcursor.execute(sql)
    dbcursor.execute(sql2)
    dbcursor.execute(sql3)
except:
    pass

@bot.event #print the username and id to the console and change the game status
async def on_ready():
    print('Logged in as')
    print(bot.user.name)
    print(bot.user.id)
    print('------')
    await bot.change_presence(activity=discord.Game(name=game))

#                                                                         
#                                                                         
#   _ __    ___ __      __  _ __ ___    ___  ___  ___   __ _   __ _   ___ 
#  | '_ \  / _ \\ \ /\ / / | '_ ` _ \  / _ \/ __|/ __| / _` | / _` | / _ \
#  | | | ||  __/ \ V  V /  | | | | | ||  __/\__ \\__ \| (_| || (_| ||  __/
#  |_| |_| \___|  \_/\_/   |_| |_| |_| \___||___/|___/ \__,_| \__, | \___|
#                                                              __/ |      
#                                                             |___/       

@bot.event
async def on_message(message):#this will run on every message
    if (message.guild == None) and "time" in message.content: #this is for fun, if the user sends the bot private a message with time in it, send him the current time
        current_time = datetime.now().strftime("%H:%M:%S")#get the time as string
        await message.author.send("Current time: " + current_time)#send the current time to the user as DM
        return#don't execute the rest (will fail in the next step)

    print(str(message.author) + " sent: " + str(message.content) + ", latency: " + str(bot.latency) + " ms, Bot: " + str(message.author.bot)) #print some information about the message to the console
    if(message.author.bot) or (message.author.id == bot.user.id): #check if the bot has written the message, if yes stop parsing it
        return
    res = dbcursor.execute("SELECT textXP FROM MESSAGES WHERE user=? AND server = ?", [message.author.id, message.guild.id]) #try to get the current textXP of the user
    result = res.fetchone()
    if (result == None):
        dbcursor.execute("INSERT INTO MESSAGES VALUES (?, ?, ?, 0, 0)", [message.author.id, message.guild.id, messageXP]) #if Bot can't find the user in the Database create a new entry
    else:
        messages = result[0] + messageXP
        dbcursor.execute("UPDATE MESSAGES SET textXP = ? WHERE user = ? AND server = ?", [messages, message.author.id, message.guild.id]) #update the textXP value in the Database

    dbconnection.commit() #write the database changes to disk

    if message.content.startswith(prefix): #check if the message starts with the prefix, if yes process the command
        await bot.process_commands(message)
    if "<@!" + str(bot.user.id) + ">" in message.content:
        if (message.content[:3] == "hi ") or (message.content[-3:] == " hi"):
            await message.channel.send("Hello <@!" + str(message.author.id) + "> To get a list of my commands enter " + prefix + "help.")

#                            _    _                            _      _ 
#                           | |  (_)                          | |    | |
#   _ __   ___   __ _   ___ | |_  _   ___   _ __     __ _   __| |  __| |
#  | '__| / _ \ / _` | / __|| __|| | / _ \ | '_ \   / _` | / _` | / _` |
#  | |   |  __/| (_| || (__ | |_ | || (_) || | | | | (_| || (_| || (_| |
#  |_|    \___| \__,_| \___| \__||_| \___/ |_| |_|  \__,_| \__,_| \__,_|
#                                                                       
#    

@bot.event
async def on_raw_reaction_add(message): #this runs on every reaction
    if(message.user_id == bot.user.id):#check if the bot has written the message, if yes stop parsing it
        return
    res = dbcursor.execute("SELECT reactionXP FROM MESSAGES WHERE user=? AND server = ?", [message.user_id, message.guild_id]) #try to get the reactionXP from the database
    result = res.fetchone()
    if (result == None):
        dbcursor.execute("INSERT INTO MESSAGES VALUES (?, ?, 0, ?, 0)", [message.user_id, message.guild_id, reactionXP]) #if bot can't find the database entry for the user create a new one
        messages = reactionXP
    else:
        messages = result[0] + reactionXP
        dbcursor.execute("UPDATE MESSAGES SET reactionXP = ? WHERE user = ? AND server = ?", [messages, message.user_id, message.guild_id])#update the reactionXP with the new values

    try:
        polls[str(message.message_id)] # check if the reaction is on a poll
        calls = dbcursor.execute("SELECT calls FROM poll WHERE pollID = ? AND reaction = ?", [message.message_id, str(message.emoji)]).fetchone()[0]# if yes update the database and add 1 vote
        dbcursor.execute("UPDATE poll SET calls = ? WHERE pollID = ? AND reaction = ?", [calls + 1, message.message_id, str(message.emoji)])
    except:
        pass

    dbconnection.commit() #write the database changes to disk
                                                                 
#                            _    _                                                           
#                           | |  (_)                                                          
#   _ __   ___   __ _   ___ | |_  _   ___   _ __    _ __   ___  _ __ ___    ___  __   __  ___ 
#  | '__| / _ \ / _` | / __|| __|| | / _ \ | '_ \  | '__| / _ \| '_ ` _ \  / _ \ \ \ / / / _ \
#  | |   |  __/| (_| || (__ | |_ | || (_) || | | | | |   |  __/| | | | | || (_) | \ V / |  __/
#  |_|    \___| \__,_| \___| \__||_| \___/ |_| |_| |_|    \___||_| |_| |_| \___/   \_/   \___|
#                                                                                             
#                                                                                             

@bot.event
async def on_raw_reaction_remove(message):
    try:
        polls[str(message.message_id)] #check if the message is a poll
        calls = dbcursor.execute("SELECT calls FROM poll WHERE pollID = ? AND reaction = ?", [message.message_id, str(message.emoji)]).fetchone()[0]#if yes update the database and remove 1 vote
        dbcursor.execute("UPDATE poll SET calls = ? WHERE pollID = ? AND reaction = ?", [calls - 1, message.message_id, str(message.emoji)])
    except:
        pass
    dbconnection.commit()# write the database changes to disk

#                 _                    _             _                       _         _         
#                (_)                  | |           | |                     | |       | |        
#  __   __  ___   _   ___   ___   ___ | |__    __ _ | |_   _   _  _ __    __| |  __ _ | |_   ___ 
#  \ \ / / / _ \ | | / __| / _ \ / __|| '_ \  / _` || __| | | | || '_ \  / _` | / _` || __| / _ \
#   \ V / | (_) || || (__ |  __/| (__ | | | || (_| || |_  | |_| || |_) || (_| || (_| || |_ |  __/
#    \_/   \___/ |_| \___| \___| \___||_| |_| \__,_| \__|  \__,_|| .__/  \__,_| \__,_| \__| \___|
#                                                                | |                             
#                                                                |_|                             

@bot.event
async def on_voice_state_update(member, before, after):#this runs on every voice chat update (user joins, leaves, go afk, moves, ...)
    if member.bot  or (member.id == bot.user.id): #check if the bot is the user, if yes stop parsing it
        return
    if not before.afk and after.afk:#check if the user moved from not afk to afk
        print(str(member) + " is now AFK")
        result = dbcursor.execute("SELECT startTime FROM VcActive WHERE user=?", [member.id]).fetchone()[0]#if yes, get the join time from the database
        dbcursor.execute("DELETE FROM VcActive WHERE user=?", [member.id])#delete the entrie from the voicechat in the database
        xp = (time() - result) / minutesPerVcXP#calculate the xp
        result = dbcursor.execute("SELECT vcXP FROM MESSAGES WHERE user=? AND server = ?", [member.id, member.guild.id]).fetchone()[0]#update the user database and set the new Voice XP
        dbcursor.execute("UPDATE MESSAGES SET vcXP = ? WHERE user = ? AND server = ?", [result + round(xp), member.id,  member.guild.id])
        dbconnection.commit() #write the changes to the database
        return
    if before.afk and not after.afk: #check if the user moved from afk back to active
        print(str(member) + " is active again")
        dbcursor.execute("INSERT INTO VcActive VALUES (?, ?)", [member.id, round(time())])#insert the current time in the table
        dbconnection.commit() #write the changes to database
        return
    if(after.channel == None): #check if the user left the voicechat
        print(str(member) + " left the Voicechat")
        result = dbcursor.execute("SELECT startTime FROM VcActive WHERE user = ?", [member.id]).fetchone()[0]#get the join time from database
        dbcursor.execute("DELETE FROM VcActive WHERE user=?", [member.id])# delete the join time entry
        xp = (time() - result) / 60 / minutesPerVcXP#calculate the XP
        result = dbcursor.execute("SELECT vcXP FROM MESSAGES WHERE user=? AND server = ?", [member.id, member.guild.id]).fetchone()[0]#update the user Table and set the new voiceXP
        dbcursor.execute("UPDATE MESSAGES SET vcXP = ? WHERE user = ? AND server = ?", [result + round(xp), member.id,  member.guild.id])
        dbconnection.commit()#write the changes to disk
        return
    elif(before.channel == None): #check if a user joins the voicechat
        print(str(member) + " joined the Voicechat " + str(after.channel))
        dbcursor.execute("INSERT INTO VcActive VALUES (?, ?)", [member.id, round(time())])#insert the current time in the database
        dbconnection.commit()#write the changes to databasr
        return
#   _                     _ 
#  | |                   | |
#  | |  ___ __   __  ___ | |
#  | | / _ \\ \ / / / _ \| |
#  | ||  __/ \ V / |  __/| |
#  |_| \___|  \_/   \___||_|
#                           
#  
@bot.command(brief="shows your current XP and level")
async def level(ctx, user : discord.Member=None):#shows your current XP and level, as argument you can give a different user
    if (user == None): #check if the message author submitted a different user to check, if not use the author
        user = ctx.message.author
    
    xp = dbcursor.execute("SELECT textXP, reactionXP, vcXP FROM MESSAGES WHERE user=? AND server = ?", [user.id, ctx.message.guild.id]).fetchone()#get the xp of the user from database
    unsorted = dbcursor.execute("SELECT user, textXP, reactionXP, vcXP FROM MESSAGES WHERE server = ?", [ctx.message.guild.id]).fetchall() #get all users from the database (for the ranking)

    ranking = [] #to this variable we will later add the users sorted

    while len(unsorted) > 0: #do this while we have entries in unsorted
        lowest = unsorted[0]#just set the first entrie in lowest, so we can later overwrite it if we find a user with less XP
        for entries in unsorted: #go through every user, calculate the XP and check if its lower than the current lowest
            if((entries[1] + entries[2] + entries[3]) <= (lowest[1] + lowest[2] + lowest[3])):
                lowest = entries#if the xp is lower, write the user to lowest
        unsorted.remove(lowest)#after checking every user, remove the lowest from unsorted and add it to ranking
        ranking.append(lowest)

    for entries in ranking:#try to find the user in the ranking array, to get his rank.
        if(user.id == entries[0]):
            rank = len(ranking) - ranking.index(entries)

    tempXP = xp[0]+xp[1]+xp[2]#the XP the user has in this level
    level = 0#the current level
    levelXP = 0#the XP the user needs for the level
    while (tempXP > 0): #while the XP is over 0, calculate the XP needed fo this level and subtract it from tempXP
        levelXP = base * (factor**(level))
        tempXP = tempXP - levelXP
        level = level + 1
    
    level = level - 1 #subtract one level, because the last level the user didn't reached
    
    username = str(user.name)#get the username
    embed = discord.Embed(title="Stats of " + username , description="Rank " + str(rank) + " of " + str(len(ranking)))#make the response message
    embed.set_thumbnail(url=user.avatar_url)
    embed.add_field(name="Text XP", value=xp[0])
    embed.add_field(name="Reaction XP", value=xp[1])
    embed.add_field(name="Voice XP", value=xp[2])
    embed.add_field(name="Total XP", value=xp[0]+xp[1]+xp[2])
    embed.add_field(name="Level", value=level)
    embed.add_field(name="Progress", value=str(round(levelXP+tempXP)) + "/" + str(round(levelXP)) + " (" + str(round((levelXP+tempXP) / levelXP * 100 )) + "%)")

    await ctx.message.channel.send(embed=embed) #send the response message

#   _                   _              _                              _ 
#  | |                 | |            | |                            | |
#  | |  ___   __ _   __| |  ___  _ __ | |__    ___    __ _  _ __   __| |
#  | | / _ \ / _` | / _` | / _ \| '__|| '_ \  / _ \  / _` || '__| / _` |
#  | ||  __/| (_| || (_| ||  __/| |   | |_) || (_) || (_| || |   | (_| |
#  |_| \___| \__,_| \__,_| \___||_|   |_.__/  \___/  \__,_||_|    \__,_|
#                                                                       
#         

@bot.command(brief="shows the leaderboard")
async def leaderboard(ctx):
    unsorted = dbcursor.execute("SELECT user, textXP, reactionXP, vcXP FROM MESSAGES WHERE server = ?", [ctx.message.guild.id]).fetchall() #get all users from the database (for the ranking)

    ranking = [] #to this variable we will later add the users sorted

    while len(unsorted) > 0: #do this while we have entries in unsorted
        lowest = unsorted[0]#just set the first entrie in lowest, so we can later overwrite it if we find a user with less XP
        for entries in unsorted: #go through every user, calculate the XP and check if its lower than the current lowest
            if((entries[1] + entries[2] + entries[3]) <= (lowest[1] + lowest[2] + lowest[3])):
                lowest = entries#if the xp is lower, write the user to lowest
        unsorted.remove(lowest)#after checking every user, remove the lowest from unsorted and add it to ranking
        ranking.append(lowest)

    while len(ranking) > 10:#remove the last user, while the length is over 10
        ranking.remove(ranking[0])

    badges = [":first_place: ", ":second_place: ", ":third_place: ", ":four: ", ":five: ", ":six: ", ":seven: ", ":eight: ", ":nine: ", ":keycap_ten: "]#the emoji in front of the username
    message = ""#in this variable we will prepare in the next step the response
    for entries in reversed(ranking):#loop through every user in reverse order to get the best first and andd his statistics to message
        message = message + badges[len(ranking) - ranking.index(entries) - 1] + ": <@" + str(entries[0]) + "> **Total:** " + str(entries[1] + entries[2] + entries[3]) + " XP (**Text:** " + str(entries[1]) + " + **Reaction:** " + str(entries[2]) + " + **VC:** " + str(entries[3]) + ")\n"
    embed = discord.Embed(title="Leaderboard" , description=message)#make the response Box
    await ctx.message.channel.send(embed=embed)#print the ressponse box

#          _                
#         (_)               
#   _ __   _  _ __    __ _  
#  | '_ \ | || '_ \  / _` | 
#  | |_) || || | | || (_| | 
#  | .__/ |_||_| |_| \__, | 
#  | |                __/ | 
#  |_|               |___/  

@bot.command(pass_context=True, brief="prints the ping time of the bot")
async def ping(ctx):#prints the ping and the time the bot needed to process this command
    now = datetime.utcnow()#get the current time
    delta = round((now.microsecond - ctx.message.created_at.microsecond) /1000)#substract the time the message was created from the current time 8in microsecconds), convert this to millisecconds and round
    embed = discord.Embed(title=":ping_pong: | Pong!", description="```prolog\nLatency:: " + str(round(bot.latency * 1000)) + "ms\nResponse :: " + str(delta) + "ms```")#make the response, we format it as code and select prolog as language for nice cloloring

    await ctx.message.channel.send(embed=embed)#send the prepared message

#                             _  _   __          _                _    
#                            (_)(_) / _|        | |              | |   
#    ___  _ __ ___    ___     _  _ | |_  _   _  | |_   ___ __  __| |_  
#   / _ \| '_ ` _ \  / _ \   | || ||  _|| | | | | __| / _ \\ \/ /| __| 
#  |  __/| | | | | || (_) |  | || || |  | |_| | | |_ |  __/ >  < | |_  
#   \___||_| |_| |_| \___/   | ||_||_|   \__, |  \__| \___|/_/\_\ \__| 
#                           _/ |          __/ |                        
#                          |__/          |___/      

@bot.command(brief="prints the text as emojies")
async def emoji(ctx, *message: str):#emojifies the string the user give as parameter
    temp = ""
    for messages in message:#because every word will be formatted as parameter by discord.py, we have to make a long string again
        temp = temp + messages + " "
    messageNew = ""
    for char in temp:#process every character one by one
        char = char.lower()#convert it to lower (e.g. Aa ==> aa)
        if char in "abcdefghijklmnopqrstuvwxyz":#check if the char is a letter
            messageNew = messageNew + ":regional_indicator_" + char + ":"#if yes we add to the new message the emoji of the letter
        elif char in "1234567890":#if the character is a number we have to use a different emoji
            numbers = { "0" : 'zero', "1" : 'one', "2" : 'two', "3" : 'three', "4" : 'four', "5": 'five', "6" : 'six', "7" : 'seven', "8" : 'eight', "9" : 'nine',}
            messageNew = messageNew + ":" + numbers[char] + ":"
        elif char == "?":#the emoji for ?
            messageNew = messageNew + ":question:"
        elif char == "!":#the emoji for !
            messageNew = messageNew + ":exclamation:"
        else:#if we can'T find a suitable emoji, just add the raw char
            messageNew = messageNew + char
    await ctx.message.channel.send(messageNew)#send the formatted message


#                 _  _ 
#                | || |
#   _ __    ___  | || |
#  | '_ \  / _ \ | || |
#  | |_) || (_) || || |
#  | .__/  \___/ |_||_|
#  | |                 
#  |_|    

@bot.command(pass_context=True, brief="starts a poll", description="starts a poll, please give as first argument the question (for sentences please use \") and then the posibilities (leave empty for yes or no)")
async def poll(ctx, question, *options: str):#this is a tool to create a poll
    if len(options) <= 1:#check if options were supplied, if not add yes and no to the options
        options = list(options)
        options.append("yes")
        options.append("no")
        options = tuple(options)
    if len(options) > 9:#we can only process 9 arguments at the moment (emoji 1 to 9)
        await ctx.message.channel.send('You cannot make a poll for more than 9 things!')#if the user added more arguments, print a error message
        return

    if len(options) == 2 and options[0] == 'yes' and options[1] == 'no':#select the reaction emojis, ✅ and ❌ for yes or no and numbers one to 9 for the rest
        reactions = ['✅', '❌']
    else:
        reactions = ['1⃣', '2⃣', '3⃣', '4⃣', '5⃣', '6⃣', '7⃣', '8⃣', '9⃣']

    description = ""
    for x, option in enumerate(options):#make a dict from options and process every entry, x is the key and option the value
        description += '\n {} {}'.format(reactions[x], option)#add to the description for every entry in otions one line with the emoji and the answer
    embed = discord.Embed(title=question, description=description)#prepare the response
    await ctx.message.channel.send("@everyone")#tag everyone, for the new survey
    react_message = await ctx.message.channel.send(embed=embed)#print the survey and save the message to a variable
    polls[str(react_message.id)] = react_message#save the react message to the polls array to acces it later
    for reaction in reactions[:len(options)]:#for every reaction add an entry to the reaction database and add it to the message, that the user can click it
        dbcursor.execute("INSERT INTO poll VALUES (?, ?, 0)", [react_message.id, reaction])
        await react_message.add_reaction(reaction)

    embed.set_footer(text='Poll ID: {}'.format(react_message.id))#add the poll id to the message (needed to get the results)
    await react_message.edit(embed=embed)

#                 _  _                           _  _   
#                | || |                         | || |  
#   _ __    ___  | || |  _ __   ___  ___  _   _ | || |_ 
#  | '_ \  / _ \ | || | | '__| / _ \/ __|| | | || || __|
#  | |_) || (_) || || | | |   |  __/\__ \| |_| || || |_ 
#  | .__/  \___/ |_||_| |_|    \___||___/ \__,_||_| \__|
#  | |                                                  
#  |_|   

@bot.command(pass_context=True, brief="shows the result of a poll, give the poll ID as argument")
async def result(ctx, id):#this function prints the result of a poll
    poll_message = polls[str(id)]#get the poll message from the variable
    embed = poll_message.embeds[0]#get the embed (the content)

    del polls[str(id)]#delte the poll from the poll message array
    unformatted_options = [x.strip() for x in poll_message.embeds[0].description.split('\n')]#split the poll options (split every line and remove all leading and trailing spaces)
    opt_dict = {}
    for options in unformatted_options:#for every option: split on the space between emoji and text and put it in a dict, with the emoji as key and the emoji + the text as value
        options = options.split(" ", 1)
        opt_dict[options[0]] = options[0] + " " + options[1]

    request = dbcursor.execute("SELECT calls, reaction FROM poll WHERE pollID = ?", [id]).fetchall() #get the votes from the database
    description = ""
    for results in request:#loop through the entries of the database and make the result
        description = description + "\n" + opt_dict[results[1]] + ": " + str(results[0]) + " votes"

    
    embed = discord.Embed(title=poll_message.embeds[0].title, description=description)#prepare the result
    embed.set_footer(text='enden on ' + datetime.now().strftime("%d.%m.%Y %H:%M:%S"))#set as footer the end time of the poll
    await poll_message.edit(embed=embed)#edit the origina lmessage and print the results
    embed2 = discord.Embed(title=" ", description="You can find the result of the poll in the original message [here](" + poll_message.jump_url + ").")#This message will be printed to the end of the chat with a link to the original (where the results are)
    await ctx.message.channel.send(embed=embed2)#print the result message from one line up
    dbcursor.execute("DELETE FROM poll where pollID = ?", [id])#delete the entries from the poll in the database
    dbconnection.commit()#write the database to disk

#  ___  ___             _       ______         _   
#  |  \/  |            (_)      | ___ \       | |  
#  | .  . | _   _  ___  _   ___ | |_/ /  ___  | |_ 
#  | |\/| || | | |/ __|| | / __|| ___ \ / _ \ | __|
#  | |  | || |_| |\__ \| || (__ | |_/ /| (_) || |_ 
#  \_|  |_/ \__,_||___/|_| \___|\____/  \___/  \__|
#                                                  
#                                                  

@bot.command(brief="adds a song to the playlist")
async def play(ctx, songURL : str):
    global player#import the global variables needed
    global playerServer
    global downloadQue

    try:
        channel = ctx.author.voice.channel#get the current voicechat the user is in
    except:#if we can't get the voice channel, the user is not in one ==> print an error
        await ctx.message.channel.send("To use the music bot you have to be in a voice chat")
        return

    if(player == None):#if the music player is currently not connected to a server
        await channel.connect()#connect to this chat
        player = ctx.voice_client #save the voice client for later use
        playerServer = ctx.message.guild.id#save the music bot server id to variable

    if(playerServer != ctx.message.guild.id):#check if the music bot is at the moment on this server, if not print a error message
        await ctx.message.channel.send("The Bot is currently connected to a different channel, please wait until he is finished there")
        return
    r = get("https://www.youtube.com/oembed?format=json&url=" + songURL)#check if video exists and get the title
    if(r.status_code != 200):#if youtube doesn't respond with 200, there was an error finding the song
        await ctx.message.channel.send("Can't find the song")
        return
    await ctx.message.channel.send("Adding `" + loads(r.text)["title"] + "` to que.")#print the user a status message
    downloadQue.append([loads(r.text)["html"].split("src=")[1][1:].split("\"")[0], loads(r.text)["title"]])#add the title + the url to the download que

@bot.command(brief="skipps the current song in playlist")
async def skip(ctx):
    global player# import the global variable
    player.stop()#stop the player (daemon think song enden ==> plays next one)
    await ctx.message.channel.send("Skipped current song")#print the status to the console

@bot.command(brief="Prints the current music que")
async def que(ctx):
    global titleQue#import the global variable
    message = "**Musicbot Que:**\n **[current] " + titleQue[0] + " **"#prepare the message and add the current playing first in bold

    for entries in titleQue[1:]: #scroll through the entries and add all songs to the resonse
        message = message + "\n" + entries
    
    await ctx.message.channel.send(message)#send the prepared message

@bot.command(brief="stop the music bot and clear the que")
async def stop(ctx):
    global player#import the global variables
    global playerQue
    global titleQue
    global downloadQue
    global playerServer
    
    if (playerServer != ctx.message.guild.id):#check if the music bot runns on this server
        await ctx.message.channel.send("You can't stop the music bot on a different server.")
        return
    playerQue = []#delte all ques
    titleQue = []
    downloadQue = []
    player.stop()#stop the current song
    await player.disconnect()#disconnect from the voice chat
    player = None#clear the player variable
    playerServer = None#allow everyone to invite the music bot
    remove("*.mp3")#delete all mp3 files
    

   
async def checkForNextSong():#background task, that runns every seccond and checks if the song ended
    global player#import the global variables
    global playerQue
    global playerServer
    global playing
    global titleQue

    while True:
        if(player != None) and not player.is_playing() and (len(playerQue) > 0):#check if the player is active and the song ended
            if(playing):#check if the player played previously
                remove(playerQue[0])#delete the last mp3 file
                playerQue.remove(playerQue[0])#remove the first entry from the que and the first title
                titleQue.remove(titleQue[0])
                playing = False#set playing to false
            if(len(playerQue) == 0):#if the que is empty leave the voicechat and cleat the player variable
                await player.disconnect()
                player = None
                playerServer = None#allow everyone to invite the music bot
                remove("*.mp3")#delete all mp3 files
            else:
                playing = True#set playing to true and play the next file
                player.play(discord.FFmpegPCMAudio(playerQue[0]))
        await sleep(1)#sleep 1 seccond and allo the bot to run different tasks

async def downloadAudioFiles():
    global downloadQue#import the global variables
    global titleQue
    while True:#run forever
        if(len(downloadQue) > 0):#check if files ready to download
            thread = Thread(target=backgroundDownloader, args=(downloadQue[0],))#if yes make a background task to download it
            thread.start()#run the background task
            downloadQue.remove(downloadQue[0])#remove the currently downloading file from the que

        await sleep(1)#sleep 1 seccond and allo the bot to run different tasks

def backgroundDownloader(downloadQue):
    global playerQue#import the global variables
    global fileIndex
    ydl_opts = { #youtube-dl arguments
        'format': 'worstaudio/worst',
        'postprocessors': [{
            'key': 'FFmpegExtractAudio',
            'preferredcodec': 'mp3',
            'preferredquality': '192',
        }],
        'outtmpl': str(fileIndex) +'.%(ext)s',
    }
    fileIndex = fileIndex + 1 #add 1 to the file index counter (used to find the mp3 files easy later and that there are no files with the same name)
    with YoutubeDL(ydl_opts) as ydl:#download the song with the arguments from up
        ydl.download([downloadQue[0]])
    playerQue.append(str(fileIndex - 1) + ".mp3")#add the file to the que
    titleQue.append(downloadQue[1])#add the title to the que (for que list)

bot.loop.create_task(checkForNextSong())#start the music bot tasks in background
bot.loop.create_task(downloadAudioFiles())
bot.run(token, bot=botAccount)#start the bot with the options in config.py