from typing import Dict, Any, Union

from discord import Member, Message, TextChannel
from discord import utils as ds_utils
from discord.ext import commands
from libbot import config_get
from libbot.pycord.classes import PycordBot

from modules.database import col_users


class Logger(commands.Cog):
    def __init__(self, client: PycordBot):
        self.client: PycordBot = client

    @commands.Cog.listener()
    async def on_message(self, message: Message):
        if (
            (message.author != self.client.user)
            and (message.author.bot is False)
            and (message.author.system is False)
        ):
            if (await col_users.find_one({"user": message.author.id})) is None:
                user: Dict[str, Any] = {}
                defaults: Dict[str, Any] = await config_get("user", "defaults")

                user["user"] = message.author.id

                for key in defaults:
                    user[key] = defaults[key]

                await col_users.insert_one(document=user)

    @commands.Cog.listener()
    async def on_member_join(self, member: Member) -> None:
        welcome_chan: Union[TextChannel, None] = ds_utils.get(
            self.client.get_guild(await config_get("guild")).channels,
            id=await config_get("welcome", "channels", "text"),
        )
        rules_chan: Union[TextChannel, None] = ds_utils.get(
            self.client.get_guild(await config_get("guild")).channels,
            id=await config_get("rules", "channels", "text"),
        )

        if (
            (member != self.client.user)
            and (member.bot is False)
            and (member.system is False)
        ):
            await welcome_chan.send(
                content=(await config_get("welcome", "messages")).format(
                    mention=member.mention, rules=rules_chan.mention
                )
            )

            if (await col_users.find_one({"user": member.id})) is None:
                user: Dict[str, Any] = {}
                defaults: Dict[str, Any] = await config_get("user", "defaults")

                user["user"] = member.id

                for key in defaults:
                    user[key] = defaults[key]

                await col_users.insert_one(document=user)


def setup(client: PycordBot) -> None:
    client.add_cog(Logger(client))