import asyncio
import datetime
import random
import discord
from random import choice
from discord.ext import commands
from discord.ext.tasks import loop
from BotResources import write_config_file


class WillieTimer(commands.Cog):
    def __init__(self, bot): #, mention_group='Superadmins', channel_id=757379843792044102):
        self.bot = bot
        self.mention_group = str(self.bot.Default_Mention_Group)
        self.channel_id = int(self.bot.Default_Channel_ID)
        self.lock = False

    @loop(minutes=1)
    async def bg_timer(self):
        await self.bot.wait_until_ready()
        seconds_until_next_minute = int(60 - int(datetime.datetime.now().strftime('%S')))
        if not seconds_until_next_minute <= 2:
            await asyncio.sleep(seconds_until_next_minute)
        if datetime.datetime.now().strftime('%H:%M') in ("04:20", "16:20"):
            print(f"It's {datetime.datetime.now().strftime('%H:%M:%S')}!")
            channel = self.bot.get_channel(id=self.channel_id)
            await channel.send(f"<@&{self.bot_get_role().id}> {self.get_random_phrase()}")

    @commands.command(help="Use this command to start the background task to wait for 4:20",
                      brief="Starts the 4:20 clock")
    async def start420(self, ctx, *, member: discord.Member = None):
        member = member or ctx.author.display_name
        if not self.lock:
            await ctx.send(f"Thanks {member}, Willie will be in touch soon...")
            self.lock = True
            self.bg_timer.start()
        else:
            await ctx.send(f"I already told Willie {member}, if you want me to tell him to stop, @ me and say 'stop420'")

    @commands.command(help="", brief="Stops the 4:20 clock")
    async def stop420(self, ctx, *, member: discord.Member = None):
        member = member or ctx.author.display_name
        if self.lock:
            await ctx.send(f"Ok {member}, Willie will go back to writing music...")
            self.bg_timer.stop()
            self.lock = False
        else:
            await ctx.send(f"{member} I haven't told Willie yet. If you want me to, @ me and say 'start420'")

    @commands.command(help="Example '@Greada chchn 757379843792044102'",
                      brief="Change the channel the bot chats in at 4:20")
    async def chchn(self, ctx, message, *, member: discord.Member = None):
        member = member or ctx.author.display_name
        try:
            message = int(message)
            if message and len(str(message)) == len(str(self.channel_id)):
                self.channel_id = message
                await ctx.send(f"Ok {member}, I'll let Willie know to reach you in "
                               f"{self.bot.get_channel(id=self.channel_id)}")
                print(message)
                write_config_file(Channel_ID=self.channel_id)
        except Exception as e:
            print(f"Exception in chchn:\t{e}")
            await ctx.send(f"{member}, {message} is not a valid channel ID, please try again")
            pass

    @commands.command(help="Example '@Greada chmtn 'Willies Friends'",
                      brief="Use this command to change who the bot mentions at 4:20")
    async def chmtn(self, ctx, message, *, member: discord.Member = None):
        member = member or ctx.author.display_name
        try:
            message = str(message)
            if message:
                self.mention_group = message
                await ctx.send(f"Ok {member}, I'll let Willie know to tell {self.bot_get_role()}")
                print(message)
                write_config_file(mention_group=self)
        except Exception as e:
            print(f"Exception in chmtn:\t{e}")
            await ctx.send(f"{member}, {message} is not a valid role, please try again")
            pass

    def bot_get_role(self):
        channel = self.bot.get_channel(id=self.channel_id)
        guild = channel.guild
        role = discord.utils.get(guild.roles, name=self.mention_group)
        return role

    def get_random_phrase(self):
        selected_phrase = None
        with open('./Phrases.txt', 'r') as phrase_file:
            phrases = phrase_file.readlines()
            selected_phrase = choice(phrases)

        if selected_phrase is not None:
            return selected_phrase


def setup(bot: commands.Bot):
    bot.add_cog(WillieTimer(bot))