"""Base class for module, never use directly !!!"""
import asyncio

import discord
import lupa

from modules.base.Base import BaseClass


class BaseClassLua(BaseClass):
    """Base class for all modules, Override it to make submodules"""
    name = ""
    help = {
        "description": "",
        "commands": {

        }
    }
    help_active = False
    color = 0x000000
    command_text = None
    authorized_users = []
    authorized_roles = []
    command_text = ""

    def __init__(self, client, path):
        """Initialize module class

        Initialize module class, always call it to set self.client when you override it.

        :param client: client instance
        :type client: NikolaTesla"""
        super().__init__(client)
        # Get lua globals
        self.lua = lupa.LuaRuntime(unpack_returned_tuples=True)
        self.luaMethods = self.lua.require(path)

    def call(self, method, *args, **kwargs):
        # Try to run lua method then python one
        if self.luaMethods[method] is not None:
            async def coro(*args, **kwargs):
                self.luaMethods[method](self, asyncio.ensure_future, discord, *args, *kwargs)
            asyncio.ensure_future(self.client._run_event(coro, method, *args, **kwargs), loop=self.client.loop)
        try:
            coro = getattr(self, method)
        except AttributeError:
            pass
        else:
            asyncio.ensure_future(self.client._run_event(coro, method, *args, **kwargs), loop=self.client.loop)

    def dispatch(self, event, *args, **kwargs):
        method = "on_"+event
        self.call(method, *args, **kwargs)

    async def parse_command(self, message):
        """Parse a command_text from received message and execute function
        %git update
        com_update(m..)
        Parse message like `{prefix}{command_text} subcommand` and call class method `com_{subcommand}`.

        :param message: message to parse
        :type message: discord.Message"""
        if message.content.startswith(self.client.config["prefix"] + (self.command_text if self.command_text else "")):

            content = message.content.lstrip(
                self.client.config["prefix"] + (self.command_text if self.command_text else ""))
            sub_command, args, kwargs = self._parse_command_content(content)
            sub_command = "com_" + sub_command
            if await self.auth(message.author):
               self.call(sub_command, args, kwargs)
            else:
                await self.unauthorized(message)