import os, discord
from discord.ext import commands


bot = commands.Bot(command_prefix='alp!', description='Alfred bot at your service')

@bot.command()
async def add_event(event_name):
    '''Add an event. Use underscore(_) in place of spaces'''
    e = open('events/{}'.format(event_name), 'w+')
    e.write('__**{}**__\n\n'.format(event_name))
    e.close()
    await bot.say('Event successfully created')

@bot.command()
async def details(*, event_name):
    '''List details of an event'''
    event_list = os.listdir('events')
    if event_name in event_list:
         e = open('events/{}'.format(event_name), 'r')
         e_content = e.read()
         await bot.say(e_content)
    else:
         await bot.say('Enter a valid event_name. Do alp!events for list of events')

@bot.command()
async def events():
    '''List events, just list them. For more details on an event do alp!details'''
    event_list = os.listdir('events')
    if event_list:
        await bot.say('\n'.join(event_list))
    elif not event_list:
        await bot.say('No events to display')


@bot.command()
async def add_event_details(event_name, *, event_details):
    '''Add details of an event to an existing event'''
    e = open('events/{}'.format(event_name), 'a')
    await e.write(event_details)

@bot.command()
async def delete_event(event_name):
    '''Deletes an event'''
    event_list = os.listdir('events')
    if event_name in event_list:
        event_list = os.listdir('events')
        os.remove('events/'+event_name)
        await bot.say('Event deleted successfully')
    elif not event_list:
        await bot.say('No events to display')
    else:
        await bot.say('Enter a valid event name')



@bot.command()
async def delete_all_events():
    '''Deletes all events'''
    event_list = os.listdir('events')
    if event_list:
        for event in event_list:
            os.remove('events/'+event)
        await bot.say('All events deleted successfully')
    else:
        await bot.say('No events to delete')

@bot.event
async def on_ready():
    await bot.send_message(bot.get_channel('Your channel ID'), 'Hello young masters')
    await bot.change_presence(game=discord.Game(name='with my bits'))

@bot.event
async def on_member_join(member):
    guild = member.guild
    await member.send("Welcome master {}".format(guild.name))

bot.run('Your Token')