import asyncio
import json
import os
import random
import re
import time
from typing import Optional

import discord
from discord.ext import commands
from dotenv import load_dotenv

load_dotenv()
TOKEN = os.getenv('DISCORD_TOKEN')
CONFIG = 'config.json'

PING_REGEX = re.compile(r'\b(?:ge)?ping', re.IGNORECASE)
TOPFIT_REGEX = re.compile(r'\b(topfit|fit|top|micro|microsoft|virtual reality|vr|ä+h*m*|hä*)\b', re.IGNORECASE)
LOEH_REGEX = re.compile(r'Och L(?:oe|ö)h!?', re.IGNORECASE)

TOPFIT_WORDS = (
    "äh",
    "ähm",
    "ääh",
    "äääh",
    "ä",
    "..",
    "...",
    "Mi",
    "Mic",
    "Micro",
    "Microsoft",
    "Microservices",
    "top",
    "vortual reality"
)

# LOEH_ID = 327126546970312739
LOEH_ID = 254265844928872448
SIP_ID = 327126546970312739

config: dict = {
    'loeh-timeout': 10,
    'loeh-cooldown': 20,
    'prefix': 'och!'
}
last_loeh = 0


def load_config() -> dict:
    try:
        config_file = open(CONFIG, 'r')
        config.update(json.load(config_file))
    except (json.JSONDecodeError, FileNotFoundError):
        pass
    return config


def save_config():
    with open(CONFIG, 'w') as config_file:
        json.dump(config, config_file)


load_config()
bot = commands.Bot(command_prefix=config.get('prefix'))


async def get_loeh(guild: discord.Guild) -> Optional[discord.Member]:
    try:
        return await guild.fetch_member(LOEH_ID)
    except discord.NotFound:
        return None


@bot.event
async def on_ready():
    print(f'{bot.user} has connected to Discord!')


@bot.event
async def on_message(message: discord.Message):
    global last_loeh, config
    if not message.author.bot:
        if LOEH_REGEX.match(message.content):
            if message.author.id == LOEH_ID:
                await message.channel.send("https://siphalor.de/img/spidy-is-that-you.jpg")
            else:
                t = time.time()
                if t - config['loeh-cooldown'] <= last_loeh:
                    await message.channel.send('Don\'t try this to often, **' + message.author.nick +
                                               '**. That might backfire.')
                    last_loeh = t
                    return
                last_loeh = t
                loeh = await get_loeh(message.guild)
                if loeh is None:
                    await message.channel.send('404: Löh not found!')
                else:
                    try:
                        await loeh.edit(mute=True)
                        sleeper = asyncio.sleep(config.get('loeh-timeout'))

                        message: Optional[discord.Message] = await message.channel.send('Zu Befehl!')
                        await sleeper
                        await loeh.edit(mute=False)
                        if message is not None:
                            await message.edit(content="~~Zu Befehl!~~\nEs sei ihm verziehen.")
                    except (discord.Forbidden, discord.HTTPException):
                        await message.channel.send('Failed to complete your command, Sir')
                        return
        elif PING_REGEX.search(message.content):
            embed = discord.Embed(
                title="*pinken, schwaches Verb*",
                description="ein Netzwerkgerät testweise ansprechen.\nOft falsch geschrieben als pin__g__en",
                color=16636435
            )
            embed.add_field(name='ich', value='pinke')
            embed.add_field(name='du', value='pinkst')
            embed.add_field(name='er|sie|es', value='pinkt')
            embed.add_field(name='wir', value='pinken')
            embed.add_field(name='ihr', value='pinkt')
            embed.add_field(name='sie', value='pinken')
            embed.add_field(name='Partizip 2', value='gepinkt')
            await message.channel.send(embed=embed)
        else:
            match = TOPFIT_REGEX.search(message.content)
            if match is not None:
                text = ''
                for i in range(0, random.randint(7, 13)):
                    text += random.choice(TOPFIT_WORDS) + " "
                text += match.group()
                await message.channel.send(text)
    await bot.process_commands(message)


@bot.command(name='config')
async def config_prefix_command(ctx: commands.Context, cmd: str = '', key: str = '', *, val: str = ''):
    if ctx.author.id != SIP_ID:
        await ctx.send('You\'re not allowed to touch my most valuable piece')
        return
    if cmd == '':
        await ctx.send('Use `config get` or `config set` to query for or update config values. Use `config list` to '
                       'see all config options')
    elif cmd == 'list':
        await ctx.send('Available config options:\n'
                       ' - `prefix`: Set the bot prefix\n'
                       ' - `loeh-timeout`: The timeout for Löh in seconds'
                       ' - `loeh-cooldown`: Number of seconds between timeouts')
    elif cmd == 'get':
        if key in config:
            await ctx.send('`' + key + '` is set to ' + str(config.get(key)))
        else:
            await ctx.send('Unknown config option "' + key + '"')
    elif cmd == 'set':
        try:
            if key == 'prefix':
                config['prefix'] = val
            elif key == 'loeh-timeout':
                config['loeh-timeout'] = int(val)
            elif key == 'loeh-cooldown':
                config['loeh-cooldown'] = int(val)
            save_config()
            await ctx.send('Config successfully updated')
        except (ValueError, TypeError):
            await ctx.send('Invalid value "' + val + '" for config `' + key + '`')


bot.run(TOKEN)