import datetime
import logging
import os

import discord
from discord import Object
from discord.ext import commands
from discord.ext.commands import Greedy, Context
from typing import Optional, Literal


logger = logging.getLogger('discord_app')


class Owner(commands.Cog):
    def __init__(self, bot):
        self.bot = bot

    @commands.command(hidden=True)
    @commands.is_owner()
    async def load(self, ctx, *, cog: str):
        try:
            await self.bot.load_extension(f'cogs.{cog}')
            logger.warning(f'Loaded {cog}')
        except Exception as e:
            await ctx.send(f'**ERROR:** {type(e).__name__} - {e}')
        else:
            await ctx.send('**SUCCESS**')

    @commands.command(hidden=True)
    @commands.is_owner()
    async def unload(self, ctx, *, cog: str):
        try:
            await self.bot.unload_extension(f'cogs.{cog}')
            logger.warning(f'Unloaded {cog}')
        except Exception as e:
            await ctx.send(f'**ERROR:** {type(e).__name__} - {e}')
        else:
            await ctx.send('**SUCCESS**')

    @commands.command(hidden=True)
    @commands.is_owner()
    async def reload(self, ctx, *, cog: str):
        try:
            await self.bot.unload_extension(f'cogs.{cog}')
            logger.warning(f'Unloaded {cog}')
            await self.bot.load_extension(f'cogs.{cog}')
            logger.warning(f'Reloaded {cog}')
        except Exception as e:
            await ctx.send(f'**ERROR:** {type(e).__name__} - {e}')
        else:
            await ctx.send('**SUCCESS**')

    @commands.command(hidden=True)
    @commands.is_owner()
    async def fullreset(self, ctx):
        cogs = ['helpers', 'admins', 'economy', 'players']

        for x in cogs:
            try:
                await self.bot.unload_extension(f'cogs.{x}')
                logger.warning(f'Unloaded {x}')
            except Exception as e:
                await ctx.send(f'Failed to unload **{x}**')

        for x in cogs:
            try:
                await self.bot.load_extension(f'cogs.{x}')
                logger.warning(f'Loaded {x}')
            except Exception as e:
                await ctx.send(f'Failed to load **{x}**')

        await ctx.send('**SUCCESS**')

    # @commands.command(name='sync', hidden=True)
    # @commands.is_owner()
    # async def sync_command(self, ctx, sync_type: str = 'local'):
    #     sync = None
    #     await ctx.send('I will try to sync slash commands...')
    #     try:
    #         if sync_type == 'global':
    #             sync = await self.bot.tree.sync()
    #         else:
    #             sync = await self.bot.tree.sync(guild=discord.Object(os.environ.get('GUILD_ID')))
    #         logger.warning(f'sync: {sync}')
    #     except Exception as e:
    #         logger.error(f'failed to sync: {e}')
    #
    #     await ctx.send(f'Just ran the sync. Here is the output:\n{sync}')

    @commands.command(name='sync', help='~ current guild, * global -> current, ! clear and sync current')
    @commands.is_owner()
    async def sync(self, ctx: Context, guilds: Greedy[Object], spec: Optional[Literal['~', "*", '!', '^']] = None) -> None:
        """
        !sync
            This takes all global commands within the CommandTree and sends them to Discord. (see CommandTree for more info.)
        !sync ~
            This will sync all guild commands for the current contexts guild.
        !sync *
            This command copies all global commands to the current guild (within the CommandTree) and syncs.
        !sync ^
            This command will remove all guild commands from the CommandTree and syncs, which effectively removes all commands from the guild.
        !sync 123 456 789
            This command will sync the 3 guild ids we passed: 123, 456 and 789. Only their guilds and guild-bound commands.
        """
        logger.info(f'{ctx.author.name} has initiated a sync from guild ID {ctx.guild.id}')
        if not guilds:
            if spec == "~":
                synced = await ctx.bot.tree.sync(guild=ctx.guild)
            elif spec == "*":
                ctx.bot.tree.copy_global_to(guild=ctx.guild)
                synced = await ctx.bot.tree.sync(guild=ctx.guild)
            elif spec == "^":
                ctx.bot.tree.clear_commands(guild=ctx.guild)
                await ctx.bot.tree.sync(guild=ctx.guild)
                synced = []
            elif spec == '!':
                await ctx.bot.tree.sync()

                ctx.bot.tree.copy_global_to(guild=ctx.guild)
                await ctx.bot.tree.sync(guild=ctx.guild)

                ctx.bot.tree.clear_commands(guild=ctx.guild)
                synced = await ctx.bot.tree.sync(guild=ctx.guild)
            else:
                synced = await ctx.bot.tree.sync()

            await ctx.send(
                f"Synced {len(synced)} commands {'globally' if spec is None else 'to the current guild.'}"
            )
            return

        ret = 0
        for guild in guilds:
            try:
                await ctx.bot.tree.sync(guild=guild)
            except discord.HTTPException:
                pass
            else:
                ret += 1

        await ctx.send(f"Synced the tree to {ret}/{len(guilds)}.")


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