"""sobelbot: techchat bot
   TODO:
    * add more commands
    * config file
    * setup.py
"""
import os
import random
import time
import yaml
from shlex import split
from pykeybase import KeybaseChat, KeybaseBot, KeybaseTeam

# Check env for conf
conf_file = os.getenv('SOBEL_CONF')
if not conf_file:
    print('ERROR: ENV var SOBEL_CONF not found')
    exit(1)

# Read in conf yaml file
with open(conf_file) as cfile:
    conf = yaml.load(cfile)

# Team channels to monitor
channels = conf['channels']

kb = KeybaseChat()
bot = KeybaseBot(kb, channels, help_command=r'^\.help$', help_trigger='.help')


@bot.command(r'^\.member\sadd\s\w+', help_trigger='.member add <user>')
def add_member(message_data):
    """Add a member to the current team"""
    try:
        kbt = KeybaseTeam()
        req = kbt.add_members(
            message_data['team'],
            [{
                'username': message_data['body'].split()[-1].strip(),
                'role': 'reader'
            }]
        )
    except Exception as err:
        resp = "error adding user"
    if req.get('error'):
        if 'admin' in req['error']['message']:
            resp = 'Error: I do not have the proper rights'
        elif 'already' in req['error']['message']:
            resp = 'Error: user is already a member'
    else:
        resp = 'member added'

    return bot.respond(resp, message_data, at_mention=True)


@bot.command(r'^\.member\sremove\s\w+', help_trigger='.member remove <user>')
def remove_member(message_data):
    """Remove a member from the current team"""
    try:
        kbt = KeybaseTeam()
        req = kbt.remove_member(
            message_data['team'],
            message_data['body'].split()[-1].strip()
        )
    except Exception as err:
        resp['error'] = "error removing user"
    if req.get('error'):
        if 'admin' in req['error']['message']:
            resp = 'Error: I do not have the proper rights'
        elif 'is not' in req['error']['message']:
            resp = 'Error: user is not a member'
    else:
        resp = 'member removed'

    return bot.respond(resp, message_data, at_mention=True)


@bot.command(r'\b(fuck|shit|ass|pussy|bitch)\b', show_help=False)
def swear_cmd(message_data):
    """Respond to swear words"""
    response_text = "Please dont use that kind of language in here."
    return bot.respond(response_text, message_data, at_mention=True)


@bot.command(r'^\.roll', help_trigger='.roll <dice> <sides>')
def roll_cmd(message_data):
    '''Roll <dice> amount of <side>-sided dice. If <dice> and <sides> are not
    provided, default is to roll 2 6-sided dice. If <dice> and <sides> are
    provided, <dice> must be between 1 and 10, and <sides> must be between 2
    and 100.'''
    try:
        num_of_dice = int(split(message_data['body'])[1])
        num_of_sides = int(split(message_data['body'])[2]) + 1
    except ValueError:
        num_of_dice = 0
        num_of_sides = 0
    except IndexError:
        num_of_dice = 2
        num_of_sides = 7
    if (num_of_dice not in range(1, 11) or
            num_of_sides not in range(2, 102)):
        response_text = '`<dice>` must be a number from 1 to 10, and ' \
                        '`<sides>` must be a number from 2 to 100'
        return bot.respond(response_text, message_data, at_mention=True)
    dice = []
    for _ in range(num_of_dice):
        dice.append(random.choice(range(1, num_of_sides)))
    response_text = 'You rolled a '
    if len(dice) > 1:
        for n in dice[0:-1]:
            response_text += '`{}`, '.format(n)
        response_text += 'and `{}`, for a total of `{}`.'.format(dice[-1],
                                                                 sum(dice))
    else:
        response_text += '`{}`.'.format(dice[0])
    return bot.respond(response_text, message_data, at_mention=True)


try:
    bot.run(respond=True)
except KeyboardInterrupt:
    exit(0)