import json
import logging
import os
import re
from pathlib import Path
from typing import Union
import discord
from discord import RawReactionActionEvent, RawReactionClearEmojiEvent
from dotenv import load_dotenv

import data
import jokes

logging.basicConfig(level=logging.INFO)

LIL_STINKY_ID = 704043422276780072

LOGGER = logging.getLogger(__name__)


class RoboPage(discord.Client):
    db_path: str = 'messages.db'

    def __init__(self, *args, **kwargs):
        super(RoboPage, self).__init__(*args, **kwargs)
        attrs = filter(lambda n: n.endswith('Joke') and n not in ['Joke', 'GifJoke'], dir(jokes))
        attrs = map(lambda n: getattr(jokes, n)(), attrs)
        self.jokes = list(attrs)
        self.most_regex = re.compile(
            "^who is the most (?P<emoji>\w+)(?: in the past (?P<days>\d+) days)?\??$",
            re.IGNORECASE
        )
        self.leaderboard_regex = re.compile(
            '^most (?P<emoji>\w+)(?=(?:.+)?leaderboard)(?:.+(?P<days>\d+) days)?',
            re.IGNORECASE
        )

        with Path('gifs.json').open('r') as file:
            self.gifs = json.load(file)

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

    async def handle_ready(self):
        async def alive():
            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')}")

        self.data: data.MsgData = await data.MsgData.create(
            client=self,
            # limit=5000,
            limit=20,
            # days=30,
        )
        self.data.to_sql('messages.db')
        LOGGER.info(f'{self.data.msgs.shape[0]} messages total')
        # await alive()

    async def handle_message(self, message):
        if message.author != self.user:
            if hasattr(self, 'data'):
                await self.data.add_msg(message)

                if (m := self.leaderboard_regex.match(message.content)) is not None:
                    days = int(m.group('days')) or 14
                    emoji = m.group('emoji').lower()
                    try:
                        await message.reply(
                            await self.data.emoji_leaderboard(client=self, emoji_name=emoji, days=days)
                        )
                    except KeyError as e:
                        LOGGER.exception(e)
                        await message.reply(f"I couldn't find any {m.group('emoji')} reactions. Leave me alone!")
                        return

                elif (m := self.most_regex.match(message.content)) is not None:
                    days = int(m.group('days')) or 14
                    emoji = m.group('emoji').lower()
                    try:
                        await message.reply(
                            await self.data.biggest_single(client=self, emoji=emoji, days=days))
                    except IndexError as e:
                        await message.reply('NObody')
                        return

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

    async def handle_raw_reaction(self, payload: Union[RawReactionActionEvent, RawReactionClearEmojiEvent]):
        LOGGER.info(payload)
        guild = await client.fetch_guild(payload.guild_id)
        channel = await guild.fetch_channel(payload.channel_id)
        message = await channel.fetch_message(payload.message_id)

        if payload.event_type == 'REACTION_REMOVE':
            LOGGER.info(f'{payload.emoji} removed from\n{message.author}: {message.content}')
        elif payload.event_type == 'REACTION_ADD':
            LOGGER.info(
                f'{payload.member.display_name} added {payload.emoji} to\n' + \
                f'{message.author.display_name}: {message.content}')

        if hasattr(self, 'data'):
            await self.data.update_reaction(msg=message)


if __name__ == '__main__':
    load_dotenv()

    client = RoboPage()


    @client.event
    async def on_ready():
        # print(len(list(client.get_all_members())))
        await client.handle_ready()
        # print('\n'.join(client.data.reactions.index.get_level_values(1).drop_duplicates().sort_values()))


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


    @client.event
    async def on_raw_reaction_add(payload: RawReactionActionEvent):
        await client.handle_raw_reaction(payload)


    @client.event
    async def on_raw_reaction_remove(payload: RawReactionClearEmojiEvent):
        await client.handle_raw_reaction(payload)


    client.run()