import logging
import os
import re

import discord
import nltk
import pandas as pd
import stockquotes
from dotenv import load_dotenv

logging.basicConfig(level=logging.INFO)

LIL_STINKY_ID = 704043422276780072


def cancelled_totals(df):
    totals = df.groupby('display_name')['cancelled'].sum().sort_values(ascending=False)
    name_width = df['display_name'].apply(str).apply(len).max()

    df2 = df.groupby(['display_name', 'channel']).sum().reset_index().groupby('display_name').max()
    df2.columns = ['channel most cancelled', 'channel cancel count']
    df2['total cancelled'] = df2.index.to_series().apply(lambda n: df[df['display_name'] == n]['cancelled'].sum())
    df2['link'] = df2.index.to_series().apply(lambda n: df[df['channel'] == df2.loc[n].iloc[0]]['channel link'].iloc[0])

    res = 'Cancellation totals:\n'
    res += '\n'.join(
        f'`{total} {name.ljust(name_width)}` most in {df2.loc[name, "link"]}' for name, total in totals.iteritems()
    )
    return res


class RoboPage(discord.Client):
    def __init__(self, *args, **kwargs):
        super(RoboPage, self).__init__(*args, **kwargs)
        self.jokes = [
            CumJoke(),
            BlackJoke(),
            AssJoke(),
            DominosJoke()
        ]
        print()

    async def reaction_messages(self, target: str, **kwargs):
        for c in self.get_all_channels():
            if c.guild.name == 'Family Dinner' and \
                    isinstance(c, discord.TextChannel):
                if c.id != LIL_STINKY_ID:
                    print(f'Scanning in {c.name} for cancellations')
                    for m in await c.history(**kwargs).flatten():
                        if len(m.reactions) > 0:
                            for r in m.reactions:
                                if isinstance(r.emoji, discord.Emoji) and r.emoji.name == target:
                                    print(r.count, m.author.display_name)
                                    yield m, r.count


    async def get_cancelled_totals(self, limit=1000):
        df = pd.DataFrame(
            [{
                'display_name': m.author.display_name,
                'cancelled': count,
                'message': m.content,
                'channel': m.channel.name,
                'channel link': f'<#{m.channel.id}>',
                'link': m.jump_url
            }
            async for m, count in self.reaction_messages('cancelled', limit=limit)]
        )

        df.to_csv('msgs.csv', index=False)
        return cancelled_totals(df)

    def run(self):
        return super().run(os.getenv('DISCORD_TOKEN'))

    async def handle_ready(self):
        channel: discord.TextChannel = discord.utils.get(self.get_all_channels(), name='robotics-facility')
        await channel.send(f"I'm aliiiiiive {discord.utils.get(self.emojis, name='kaylon')}")

    async def handle_message(self, message):
        if message.author != self.user:
            if 'most cancelled' in message.content:
                msg: discord.Message = await message.reply('Hold please...')
                await msg.reply(await self.get_cancelled_totals(limit=1000))

            for joke in self.jokes:
                if (scan_res := joke.scan(message)):
                    print(f'{joke.__class__.__name__} detected:\n{message.content}\n{scan_res}')
                    await joke.respond(message, self, scan_res)


class Joke:
    @property
    def regex(self) -> re.Pattern:
        raise NotImplementedError

    def scan(self, message: discord.Message):
        if (match := self.regex.search(message.content)):
            return match

    async def respond(self, message: discord.Message, client: discord.Client, scan_res):
        raise NotImplementedError


class CumJoke(Joke):
    @property
    def regex(self) -> re.Pattern:
        words = [
            'come',
            'coming',
            'came',
            'cum',
            'cumming',
            'cummed'
        ]
        return re.compile(f"(?<!\w)({'|'.join(words)})(?!\w)", re.IGNORECASE)

    async def respond(self, message: discord.Message, client: discord.Client, match: re.Match):
        if not match.group(0).startswith('be'):
            await message.add_reaction(discord.utils.get(client.emojis, name='kaylon'))


class BlackJoke(Joke):
    @property
    def regex(self) -> re.Pattern:
        return re.compile('black (\w+)', re.IGNORECASE)

    async def respond(self, message: discord.Message, client: discord.Client, match: re.Match):
        res = unblack(message.content)
        if res is not None:
            msg = await message.reply(res)
            await msg.add_reaction(discord.utils.get(client.emojis, name='kaylon'))


class AssJoke(Joke):
    @property
    def regex(self) -> re.Pattern:
        return re.compile('[ \-]ass[ \-](?P<target>\w+)', re.IGNORECASE)

    async def respond(self, message: discord.Message, client: discord.Client, match: re.Match):
        res = assify(message.content)
        if res is not None:
            await message.reply(f'{res} {discord.utils.get(client.emojis, name="kaylon")}')


class DominosJoke(Joke):
    @property
    def regex(self) -> re.Pattern:
        return re.compile('domino\'?s', re.IGNORECASE)

    async def respond(self, message: discord.Message, client: discord.Client, match: re.Match):
        cp = stockquotes.Stock('DPZ').current_price
        msg = f'You know, my friend Ben has made about ${cp - 16:.0f} on Domino\'s stock. He basically owns it now'
        if (e := discord.utils.get(client.emojis, name="pizza")):
            await message.add_reaction(e)
        await message.reply(msg)


pattern = 'NP: {<DT>?<JJ>*<NN>}'
cp = nltk.RegexpParser(pattern)

def token_list(s):
    return nltk.chunk.tree2conlltags(
        cp.parse(
            nltk.pos_tag(
                nltk.word_tokenize(s)
            )))


def assify(s):
    tag_list = token_list(s)
    for i, (text, tag, iob) in enumerate(tag_list):
        if text[-3:].lower() == 'ass':
            try:
                next_tag = tag_list[i+1][1]
                if next_tag == 'NN' or next_tag == 'NNS':
                    return f'ass-{tag_list[i+1][0]}'
            except IndexError as e:
                return


def unblack(s):
    tag_list = token_list(s)
    for i, (text, tag, iob) in enumerate(tag_list):
        if text.lower() == 'black':
            if tag.startswith('JJ') or tag.startswith('NN'):
                for text, tag, iob in tag_list[i+1:]:
                    if tag.startswith('NN'):
                        return f'Or as I would say, {text.lower()}'


if __name__ == '__main__':
    load_dotenv()
    TOKEN = os.getenv('DISCORD_TOKEN')

    client = RoboPage()

    @client.event
    async def on_ready():
        print(f'{client.user} has connected to Discord!')
        await client.handle_ready()
        # print(await client.get_cancelled_totals(limit=100))

    @client.event
    async def on_message(message: discord.Message):
        await client.handle_message(message)

    client.run()