import random
import re

import discord
from discord.ext.commands import Bot

bad_word_bot = Bot(command_prefix='!')

# To add words to the bad_words list please add an element to the list like ('BADWORDHERE', ['POSSIBLE', 'REPLIES'])
# IT IS IMPORTANT THAT YOU ADD MORE COMPLICATED VERSIONS OF A WORD (E.G MORE CHARACTERS, DIFFERENT GRAMMAR) AS SPECIAL CASES TO A WORD SO
# THE BOT DETECTS THESE FIRST AND DOESNT GIVE YOU A WEIRD OUTPUT!!!!
# This list can ONLY contain words that are LOWERCASE so the bot finds the word even if it has fucked up cases
bad_words_tuple_list = [('nigger', ['good friend']), ('fuck', ['heck', 'frick']), ('trinidadian', ['indian']),
                        ('gay', ['cute']), ('trinidad', ['india']),
                        ('thai', ['racist']), ('hollowpoint', ['bullets are mean']), ('aryan', ['inferior']),
                        ('trinidad', ['india']), ('racist', ['mean']),
                        ('racism', ['hurtful']), ('pussy', ['smelly']), ('retarded', ['super nice']),
                        ('retard', ['nice dude']), ('faggots', ['happy men']),
                        ('faggot', ['happy man']), ('michael cera', ['nice french man']), ('sperg', ['being a weirdo'])]


@bad_word_bot.event
async def on_ready():
    await bad_word_bot.change_presence(game=discord.Game(name='If you say a bad word I will fuck you up', type=1))
    print("Ready to do stuff")


@bad_word_bot.event
async def on_message(message):
    stripped_message = re.sub('[\s+]', '', message.content).lower()
    if 'pottymouth' in (' '.join([str(role.name).lower() for role in message.author.roles])) and any(
                    bad_word[0] in stripped_message for bad_word in bad_words_tuple_list):
        await bad_word_bot.delete_message(message)
        await bad_word_bot.change_nickname(message.server.me, get_nickname(message))
        await bad_word_bot.send_message(message.channel, '{0}'.format(await filter_message(message.content.lower())))

def get_nickname(message):
    nick = message.author.nick
    if nick:
        return nick
    return message.author.name

async def filter_message(message):
    filterable_words = get_filterable_words(message)
    replace_list = get_replace_list(filterable_words)
    for i in range(0, len(filterable_words)):
        message = message.replace(filterable_words[i],
                                  random.choice(replace_list[i]))
    return message


def get_filterable_words(message):
    words_list = message.split()
    filterable_words_list = []
    for i in range(0, len(words_list)):
        for j in range(0, len(bad_words_tuple_list)):
            if words_list[i] == bad_words_tuple_list[j][0]:
                filterable_words_list.append(words_list[i])
                continue
    return remove_duplicates(filterable_words_list)

def get_replace_list(filterable_words):
    replace_list = []
    for i in range(0, len(filterable_words)):
        for j in range(0, len(bad_words_tuple_list)):
            if bad_words_tuple_list[j][0] in filterable_words[i]:
                replace_list.append(bad_words_tuple_list[j][1])
                break
    return replace_list

def remove_duplicates(list):
    unique = []
    [unique.append(item) for item in list if item not in unique]
    return unique

bad_word_bot.run('TOKEN')