import datetime
import socket

import discord
from discord.ext import commands


class SendLogs(commands.Cog):
    """Send logs to a specific channel"""

    def __init__(self, bot):

        self.bot = bot
        self.log_channel = None
        self.main_server_id = int(self.bot.config.main_server_id)

    @commands.Cog.listener()
    async def on_resumed(self):
        em = discord.Embed(title="Et hop je me reconnecte à l'api 😃",
                           colour=0x5cb85c)
        em.timestamp = datetime.datetime.utcnow()
        await self.log_channel.send(embed=em)

    @commands.Cog.listener()
    async def on_ready(self):
        self.log_channel = await self.bot.fetch_channel(int(self.bot.config.log_channel_id))
        em = discord.Embed(title="Je suis opérationnel 😃",
                           description=f"*Instance lancée sur "
                           f"{socket.gethostname()}*", colour=0x5cb85c)
        em.timestamp = datetime.datetime.utcnow()
        await self.log_channel.send(embed=em)

    """---------------------------------------------------------------------"""

    @commands.Cog.listener()
    async def on_guild_join(self, guild: discord.Guild):
        em = discord.Embed(title=f"On m'a ajouté à  : {str(guild.name)} 😃",
                           colour=0x51A351)
        em.timestamp = datetime.datetime.utcnow()
        await self.log_channel.send(embed=em)

    @commands.Cog.listener()
    async def on_guild_remove(self, guild: discord.Guild):
        em = discord.Embed(title=f"On m'a viré de  : {str(guild.name)} 😦",
                           colour=0xBD362F)
        em.timestamp = datetime.datetime.utcnow()
        await self.log_channel.send(embed=em)

    """---------------------------------------------------------------------"""

    @commands.Cog.listener()
    async def on_member_join(self, member):
        if member.guild.id == self.main_server_id:
            em = discord.Embed(title=f"{str(member)} *`({str(member.id)})`* "
                                     f"nous a rejoint 😃", colour=0x51A351)
            em.set_footer(text=f"Compte crée le {member.created_at}")
            em.timestamp = datetime.datetime.utcnow()
            await self.log_channel.send(embed=em)

    @commands.Cog.listener()
    async def on_member_remove(self, member):
        if member.guild.id == self.main_server_id:
            em = discord.Embed(title=f"{str(member)} *`({str(member.id)})`* "
                                     f"nous a quitté 😦", colour=0xBD362F)
            em.timestamp = datetime.datetime.utcnow()
            await self.log_channel.send(embed=em)

    """---------------------------------------------------------------------"""

    @commands.Cog.listener()
    async def on_message_delete(self, message):
        if message.guild.id == self.main_server_id and not message.author.bot:
            async def is_a_command(message):
                prefix_lenght = len(await self.bot.get_prefix(message))
                command = (message.content.split()[0])[prefix_lenght:]
                if command == '':
                    command = "not_a_command"

                return self.bot.get_command(str(command))

            if await is_a_command(message) is None:
                em = discord.Embed(title=f"Message supprimé dans :"
                                         f" {str(message.channel.name)}",
                                   colour=0xBD362F)
                em.add_field(name=f"{str(message.author)} "
                                  f"*`({str(message.author.id)})`* "
                                  f"a supprimé :", value=str(message.content))
                em.timestamp = datetime.datetime.utcnow()
                await self.log_channel.send(embed=em)

    @commands.Cog.listener()
    async def on_message_edit(self, before, after):
        if before.guild.id == self.main_server_id and not before.author.bot:
            em = discord.Embed(title=f"Message edité dans : "
                                     f"{before.channel.name}", colour=0x0088CC)
            em.add_field(name=f"{str(before.author)} "
                              f"*`({str(before.author.id)})`* a"
                              f" edité :", value=str(before.content))
            em.add_field(name="Pour remplacer par :", value=str(after.content))
            em.timestamp = datetime.datetime.utcnow()
            await self.log_channel.send(embed=em)


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