from discord.ext import commands
import discord
from . import config


def isOwner(ctx):
    return ctx.message.author.id == config.ownerID


def customPermsOrRole(perm):
    def predicate(ctx):
        if ctx.message.channel.is_private:
            return False
        custom_permissions = config.getContent('custom_permissions')
        _perm = None
        try:
            _perm = custom_permissions[ctx.message.server.id][str(ctx.command)]
        except KeyError:
            pass
            
        if _perm is None:
            return getattr(ctx.message.author.permissions_in(ctx.message.channel), perm)
        else:
            return getattr(ctx.message.author.permissions_in(ctx.message.channel), _perm)

    return commands.check(predicate)
    
def customPermsOrRole(**perms):
    def predicate(ctx):
        if ctx.message.channel.is_private:
            return False
        
        member_perms = ctx.message.author.permissions_in(ctx.message.channel)
        default_perms = discord.Permissions.none()
        for perm,setting in perms.items():
            setattr(default_perms,perm,setting)
        
        try:
            required_perm = config.getContent('custom_permissions')[ctx.message.server.id][ctx.command.qualified_name]
        except KeyError:
            required_perm = default_perms
        return member_perms >= required_perm
        

    return commands.check(predicate)


def isPM():
    def predicate(ctx):
        return ctx.message.channel.is_private

    return commands.check(predicate)