import discord
import asyncio
from discord.voice_client import VoiceClient
from discord.ext.commands import Bot
from discord.ext import commands

Client = discord.Client()
bot_prefix= "."
client = commands.Bot(command_prefix=bot_prefix)
vc_clients = {}

@client.event
async def on_ready():
    print("Bot Online!")
    print("Name: {}".format(client.user.name))
    print("ID: {}".format(client.user.id))
    await client.change_presence(game=discord.Game(name='type .help'))

@client.command(pass_context=True)
async def ping(ctx):
    await client.say("Server is responsive!")

#Allows the bot to connect:
@client.command(pass_context=True)
async def connect(ctx):
	if client.is_voice_connected(ctx.message.server):
		return await client.say("I am already connected to a voice channel. Do not disconnect me if I am in use!")
	author = ctx.message.author
	voice_channel = author.voice_channel
	vc = await client.join_voice_channel(voice_channel)

#Allows the bot to disconnect:
@client.command(pass_context = True)
async def disconnect(ctx):
    if ctx.message.server.id not in vc_clients:
        return await client.say("I am not in any voice channel!")

    vc_clients[ctx.message.server.id][1].stop()
    await vc_clients[ctx.message.server.id][0].disconnect()
    return await client.say("Disconnected from voice channel!")

#Allows the bot to play music:
@client.command(pass_context = True)
async def play(ctx, url):
    message = ctx.message
    print(url);

    if ctx.message.server.id not in vc_clients:
        try:
            vc = await client.join_voice_channel(message.author.voice_channel)
            vc_clients[message.server.id] = [vc]

        except Exception as e:
            print(e)
            return await client.say("You are not in any voice channel.")

    try:
        mg = await client.say("Searching...")
        player = await vc_clients[ctx.message.server.id][0].create_ytdl_player(url)
        vc_clients[message.server.id].append(player)
        player.start()

    except Exception as e:
        return await client.say("ERROR: `%s"%e)

    embed = discord.Embed(title = "Now playing :musical_note:", description = str(player.title), color = 0x0000FF)
    embed.add_field(name = "Duration (in seconds)", value = str(player.duration))
    embed.add_field(name = "Requested by", value = str(message.author))
    await client.delete_message(mg)
    return await client.say(embed = embed)

#Allows the bot to clear chat (up to fourteen days.)
@client.command(pass_context = True)
async def clear(ctx, number):
	mgs = []
	number = int(number) #Converting the amount of messages to delete to an integer
	async for x in client.logs_from(ctx.message.channel, limit = number):
		mgs.append(x)
	await client.delete_messages(mgs)
	await client.say(str(number) + " messages cleared!")

#Gets a list of all banned users on the server:
@client.command(pass_context = True)
async def getbans(ctx):
	x = await client.get_bans(ctx.message.server)
	x = '\n'.join([y.name for y in x])
	embed = discord.Embed(title = "List of Banned Members", description = x, color = 0xFFFFF)
	return await client.say(embed = embed)
#General commands:

@client.command(pass_context = True)
async def purpose(*args):
    return await client.say("I am a very complex AI that was designed to serve my owner.")