import discord
import random
import sys

client = discord.Client()

def succ(n):
    if n <= 6:
        return 'Miss :fire:'
    elif 7 <= n and n <= 9:
        return 'Partial success :person_shrugging:'
    else:
        return 'Total success :tada:'

def roll(mod):
    values = []
    for i in range(2):
        values.append(random.randint(1,6))
    values.append(mod)
    result = sum(values)
    message = '{}'.format(values[0])
    for value in values[1:]:
        message += '{:+}'.format(value)
    message += ' = **{}**\n**{}**'.format(result, succ(result))

    return message

@client.event
async def on_ready():
    print('logged in as {0.user}'.format(client), file=sys.stderr)
    await client.change_presence(activity=discord.Game('!n for 2d6+n'))

@client.event
async def on_message(message):
    if message.author == client.user:
        return

    if message.content.startswith('!'):
        try:
            mod=int(message.content.split()[0][1:])
        except ValueError:
            print('error parsing message {0}'.format(message.content), file=sys.stderr)
            return

        await message.channel.send(roll(mod))

with open('token') as f:
    token = f.read().strip()
client.run(token)