from typing import Dict

from discord.ext import commands
import logging
from datetime import datetime
import json
import aiohttp
from postgres import Postgres
from collections import deque
from googleapiclient.discovery import build
import asyncpg


log_format = '{asctime}.{msecs:03.0f}|{levelname:<8}|{name}::{message}'
date_format = '%Y.%m.%d %H.%M.%S'

log_dir = 'logs'

log_file = '{0}/geeksbot_{1}.log'.format(log_dir, datetime.now().strftime('%Y%m%d_%H%M%S%f'))

logging.basicConfig(level=logging.DEBUG, style='{', filename=log_file, datefmt=date_format, format=log_format)
console_handler = logging.StreamHandler()
console_handler.setLevel(logging.INFO)
formatter = logging.Formatter(log_format, style='{', datefmt=date_format)
console_handler.setFormatter(formatter)
logging.getLogger('').addHandler(console_handler)

config_dir = 'config/'
admin_id_file = 'admin_ids'
extension_dir = 'exts'
owner_id = 351794468870946827
bot_config_file = 'bot_config.json'
secrets_file = 'bot_secrets.json'
profane_words_file = 'profane_words'

emojis: Dict[str, str] = {
    'x': '❌',
    'y': '✅',
    'poop': '💩',
}

description = 'I am Geeksbot v0.1! Fear me!'


class Geeksbot(commands.Bot):
    def __init__(self, **kwargs):
        kwargs["command_prefix"] = self.get_custom_prefix
        super().__init__(**kwargs)
        self.aio_session = aiohttp.ClientSession(loop=self.loop)
        with open(f'{config_dir}{bot_config_file}') as file:
            self.bot_config = json.load(file)
        with open(f'{config_dir}{secrets_file}') as file:
            self.bot_secrets = json.load(file)
        # with open(f'{config_dir}{profane_words_file}') as file:
        #     self.profane_words = file.readlines()
        self.guild_config = {}
        self.infected = {}
        self.TOKEN = self.bot_secrets['token']
        del self.bot_secrets['token']
        self.db_con = self.connect_db()
        del self.bot_secrets['db_con']
        self.default_prefix = 'g~'
        self.voice_chans = {}
        self.spam_list = {}
        self.gcs_service = build('customsearch', 'v1', developerKey=self.bot_secrets['google_search_key'])

    async def connect_db(self):
        return await asyncpg.connect(f"host={self.bot_secrets['db_con']['host']}\
                                     database={self.bot_secrets['db_con']['db_name']}\
                                     user={self.bot_secrets['db_con']['user']}\
                                     password={self.bot_secrets['db_con']['password']}")

    @staticmethod
    async def get_custom_prefix(bot_inst, message):
        return await bot_inst.db_con.fetchval('select prefix from guild_config where guild_id = $1',
                                              message.guild.id) or bot_inst.default_prefix

    async def load_ext(self, ctx, mod=None):
        self.load_extension('{0}.{1}'.format(extension_dir, mod))
        if ctx is not None:
            await ctx.send('{0} loaded.'.format(mod))

    async def unload_ext(self, ctx, mod=None):
        self.unload_extension('{0}.{1}'.format(extension_dir, mod))
        if ctx is not None:
            await ctx.send('{0} unloaded.'.format(mod))

    async def close(self):
        await super().close()
        self.aio_session.close()  # aiohttp is drunk and can't decide if it's a coro or not


bot = Geeksbot(description=description, case_insensitive=True)


@bot.command(hidden=True)
@commands.is_owner()
async def load(ctx, mod=None):
    """Allows the owner to load extensions dynamically"""
    await bot.load_ext(ctx, mod)


@bot.command(hidden=True)
@commands.is_owner()
async def reload(ctx, mod=None):
    """Allows the owner to reload extensions dynamically"""
    if mod == 'all':
        load_list = bot.bot_config['load_list']
        for load_item in load_list:
            await bot.unload_ext(ctx, f'{load_item}')
            await bot.load_ext(ctx, f'{load_item}')
    else:
        await bot.unload_ext(ctx, mod)
        await bot.load_ext(ctx, mod)


@bot.command(hidden=True)
@commands.is_owner()
async def unload(ctx, mod):
    """Allows the owner to unload extensions dynamically"""
    await bot.unload_ext(ctx, mod)


@bot.event
async def on_message(ctx):
    if not ctx.author.bot:
        if ctx.guild:
            if int(await bot.db_con.fetchval("select channel_lockdown from guild_config where guild_id = $1",
                                             ctx.guild.id)):
                if ctx.channel.id in json.loads(await bot.db_con.fetchval("select allowed_channels from guild_config "
                                                                          "where guild_id = $1",
                                                                          ctx.guild.id)):
                    await bot.process_commands(ctx)
            elif ctx.channel.id == 418452585683484680:
                prefix = await bot.db_con.fetchval('select prefix from guild_config where guild_id = $1', ctx.guild.id)
                prefix = prefix[0] if prefix else bot.default_prefix
                ctx.content = f'{prefix}{ctx.content}'
                await bot.process_commands(ctx)
            else:
                await bot.process_commands(ctx)
        else:
            await bot.process_commands(ctx)


@bot.event
async def on_ready():
    bot.recent_msgs = {}
    for guild in bot.guilds:
        bot.recent_msgs[guild.id] = deque(maxlen=50)
    logging.info('Logged in as {0.name}|{0.id}'.format(bot.user))
    load_list = bot.bot_config['load_list']
    for load_item in load_list:
        await bot.load_ext(None, f'{load_item}')
        logging.info('Extension Loaded: {0}'.format(load_item))
    with open(f'{config_dir}reboot', 'r') as f:
        reboot = f.readlines()
    if int(reboot[0]) == 1:
        await bot.get_channel(int(reboot[1])).send('Restart Finished.')
    with open(f'{config_dir}reboot', 'w') as f:
        f.write(f'0')
    logging.info('Done loading, Geeksbot is active.')

bot.run(bot.TOKEN)
