from discord.ext import commands

from .utils import config
from .utils import checks
from .utils import utilities

import re
import glob
import discord
import inspect
import aiohttp
import pendulum
import asyncio

getter = re.compile(r'`(?!`)(.*?)`')
multi = re.compile(r'```(.*?)```', re.DOTALL)


class Owner:
    """Commands that can only be used by Phantom, bot management commands"""

    def __init__(self, bot):
        self.bot = bot

    @commands.command()
    @commands.check(checks.is_owner)
    async def motd_push(self, *, message):
        """Used to push a new message to the message of the day"""
        date = pendulum.utcnow().to_date_string()
        r_filter = {'date': date}
        entry = {'motd': message, 'date': date}
        # Try to add this, if there's an entry for that date, lets update it to make sure only one motd is sent a day
        # I should be managing this myself, more than one should not be sent in a day
        if await config.add_content('motd', entry, r_filter):
            await config.update_content('motd', entry, r_filter)
        await self.bot.say("New motd update for {}!".format(date))

    @commands.command(pass_context=True)
    @commands.check(checks.is_owner)
    async def debug(self, ctx):
        """Executes code"""
        # Eval and exec have different useful purposes, so use both
        try:

            # `Get all content in this format`
            match_single = getter.findall(ctx.message.content)
            # ```\nGet all content in this format```
            match_multi = multi.findall(ctx.message.content)

            if match_single:
                result = eval(match_single[0])

                # In case the result needs to be awaited, handle that
                if inspect.isawaitable(result):
                    result = await result
                await self.bot.say("```\n{0}```".format(result))
            elif match_multi:
                # Internal method to send the message to the channel, of whatever is passed
                def r(v):
                    self.bot.loop.create_task(self.bot.say("```\n{}```".format(v)))

                exec(match_multi[0])
        except Exception as error:
            fmt = 'An error occurred while processing this request: ```py\n{}: {}\n```'
            await self.bot.say(fmt.format(type(error).__name__, error))

    @commands.command(pass_context=True)
    @commands.check(checks.is_owner)
    async def shutdown(self, ctx):
        """Shuts the bot down"""
        fmt = 'Shutting down, I will miss you {0.author.name}'
        await self.bot.say(fmt.format(ctx.message))
        await self.bot.logout()
        await self.bot.close()

    @commands.command()
    @commands.check(checks.is_owner)
    async def name(self, newNick: str):
        """Changes the bot's name"""
        await self.bot.edit_profile(username=newNick)
        await self.bot.say('Changed username to ' + newNick)

    @commands.command()
    @commands.check(checks.is_owner)
    async def status(self, *, status: str):
        """Changes the bot's 'playing' status"""
        await self.bot.change_status(discord.Game(name=status, type=0))
        await self.bot.say("Just changed my status to '{0}'!".format(status))

    @commands.command()
    @commands.check(checks.is_owner)
    async def load(self, *, module: str):
        """Loads a module"""

        # Do this because I'm too lazy to type cogs.module
        module = module.lower()
        if not module.startswith("cogs"):
            module = "cogs.{}".format(module)

        # This try catch will catch errors such as syntax errors in the module we are loading
        try:
            self.bot.load_extension(module)
            await self.bot.say("I have just loaded the {} module".format(module))
        except Exception as error:
            fmt = 'An error occurred while processing this request: ```py\n{}: {}\n```'
            await self.bot.say(fmt.format(type(error).__name__, error))

    @commands.command()
    @commands.check(checks.is_owner)
    async def unload(self, *, module: str):
        """Unloads a module"""

        # Do this because I'm too lazy to type cogs.module
        module = module.lower()
        if not module.startswith("cogs"):
            module = "cogs.{}".format(module)

        self.bot.unload_extension(module)
        await self.bot.say("I have just unloaded the {} module".format(module))

    @commands.command()
    @commands.check(checks.is_owner)
    async def reload(self, *, module: str):
        """Reloads a module"""

        # Do this because I'm too lazy to type cogs.module
        module = module.lower()
        if not module.startswith("cogs"):
            module = "cogs.{}".format(module)
        self.bot.unload_extension(module)

        # This try block will catch errors such as syntax errors in the module we are loading
        try:
            self.bot.load_extension(module)
            await self.bot.say("I have just reloaded the {} module".format(module))
        except Exception as error:
            fmt = 'An error occurred while processing this request: ```py\n{}: {}\n```'
            await self.bot.say(fmt.format(type(error).__name__, error))


def setup(bot):
    bot.add_cog(Owner(bot))