from discord.ext import commands
import discord
from .utils import checks
from .utils.paginator import HelpPaginator


class CogManager:
	"""Gestionnaire des cogs"""

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

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

	@checks.has_permissions(administrator=True)
	@commands.group(name="cogs", no_pm=True, pass_context=True, case_insensitive=True)
	async def _cogs(self, ctx):
		"""show help about 'cogs' command"""

		if ctx.invoked_subcommand is None:
			text = "Tuxbot - Commandes cogs\n-> .cogs <load/unload/reload/info> *{cog}* : <load/unload/reload/info> *{cog}*\n-> .cogs <null/!(load/unload/reload)>: affiche cette aide"
			em = discord.Embed(title='Tuxbot - Commandes cogs', description=text, colour=0x89C4F9)
			await ctx.send(embed=em)

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

	@_cogs.command(name="load", pass_context=True)
	async def cogs_load(self, ctx, cog: str = ""):
		"""load a cog"""
		if cog != "":
			try:
				self.bot.load_extension(cog)

				await ctx.send('\N{OK HAND SIGN}')
				print("cog : " + str(cog) + " chargé")
			except Exception as e:
				await ctx.send('\N{PISTOL}')
				await ctx.send(f'{type(e).__name__}: {e}')
		else:
			text = "Tuxbot - Commandes cogs\n-> .cogs <load/unload/reload/info> *{cog}* : <load/unload/reload/info> *{cog}*\n-> .cogs <null/!(load/unload/reload)>: affiche cette aide"
			em = discord.Embed(title='Tuxbot - Commandes cogs', description=text, colour=0x89C4F9)
			await ctx.send(embed=em)

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

	@_cogs.command(name="unload", pass_context=True)
	async def cogs_unload(self, ctx, cog: str = ""):
		"""unload a cog"""
		if cog != "":
			try:
				self.bot.unload_extension(cog)

				await ctx.send('\N{OK HAND SIGN}')
				print("cog : " + str(cog) + " déchargé")
			except Exception as e:
				await ctx.send('\N{PISTOL}')
				await ctx.send(f'{type(e).__name__}: {e}')
		else:
			text = "Tuxbot - Commandes cogs\n-> .cogs <load/unload/reload/info> *{cog}* : <load/unload/reload/info> *{cog}*\n-> .cogs <null/!(load/unload/reload)>: affiche cette aide"
			em = discord.Embed(title='Tuxbot - Commandes cogs', description=text, colour=0x89C4F9)
			await ctx.send(embed=em)

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

	@_cogs.command(name="reload", pass_context=True)
	async def cogs_reload(self, ctx, cog: str = ""):
		"""reload a cog"""
		if cog != "":
			try:
				self.bot.unload_extension(cog)
				self.bot.load_extension(cog)

				await ctx.send('\N{OK HAND SIGN}')
				print("cog : " + str(cog) + " rechargé")
			except Exception as e:
				await ctx.send('\N{PISTOL}')
				await ctx.send(f'{type(e).__name__}: {e}')
		else:
			text = "Tuxbot - Commandes cogs\n-> .cogs <load/unload/reload/info> *{cog}* : <load/unload/reload/info> *{cog}*\n-> .cogs <null/!(load/unload/reload)>: affiche cette aide"
			em = discord.Embed(title='Tuxbot - Commandes cogs', description=text, colour=0x89C4F9)
			await ctx.send(embed=em)

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

	@_cogs.command(name="info", pass_context=True)
	async def cogs_info(self, ctx, cog: str = ""):
		"""show info about a cog"""
		if cog != "":
			try:
				entity = self.bot.get_cog(cog)

				if entity is None:
					clean = cog.replace('@', '@\u200b')
					await ctx.send(f'Command or category "{clean}" not found.')
				else:
					p = await HelpPaginator.from_cog(ctx, entity)
					await p.paginate()


			except Exception as e:
				await ctx.send('\N{PISTOL}')
				await ctx.send(f'{type(e).__name__}: {e}')
		else:
			text = "Tuxbot - Commandes cogs\n-> .cogs <load/unload/reload/info> *{cog}* : <load/unload/reload/info> *{cog}*\n-> .cogs <null/!(load/unload/reload)>: affiche cette aide"
			em = discord.Embed(title='Tuxbot - Commandes cogs', description=text, colour=0x89C4F9)
			await ctx.send(embed=em)


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