# -*- coding: utf-8 -*-

"""

The MIT License (MIT)

Copyright (c) 2020 Assanali Mukhanov

Permission is hereby granted, free of charge, to any person obtaining a

copy of this software and associated documentation files (the "Software"),

to deal in the Software without restriction, including without limitation

the rights to use, copy, modify, merge, publish, distribute, sublicense,

and/or sell copies of the Software, and to permit persons to whom the

Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in

all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS

OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,

FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE

AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER

LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING

FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER

DEALINGS IN THE SOFTWARE.

"""

import logging

from typing import Callable, Dict, Union

import aiohttp

import discord

from aiohttp import web

log = logging.getLogger(__name__)

class WebhookManager:

"""

This class is used as a manager for top.gg webhooks.

Parameters

----------

bot: discord.Client

The Client object that will be utilized by this manager's webhook(s) to emit events.

"""

__app: web.Application

_webhooks: Dict[str, Dict[str, Union[str, Callable]]]

_webserver: web.TCPSite

_is_closed: bool

def __init__(self, bot: discord.Client):

self.bot = bot

self._webhooks = {}

self.__app = web.Application()

self._is_closed = False

def dbl_webhook(self, path: str, auth_key: str):

self._webhooks["dbl"] = {

"path": path or "/dbl",

"auth": auth_key or "",

"func": self._bot_vote_handler

}

def dsl_webhook(self, path: str, auth_key: str):

self._webhooks["dsl"] = {

"path": path or "/dsl",

"auth": auth_key or "",

"func": self._guild_vote_handler

}

async def _bot_vote_handler(self, request: aiohttp.web.Request):

data = await request.json()

auth = request.headers.get("Authorization", "")

if auth == self._webhooks["dbl"]["auth"]:

self.bot.dispatch("dbl_vote", data)

return web.Response(status=200, text="OK")

return web.Response(status=401, text="Unauthorized")

async def _guild_vote_handler(self, request: aiohttp.web.Request):

data = await request.json()

auth = request.headers.get("Authorization", "")

if auth == self._webhooks["dsl"]["auth"]:

self.bot.dispatch("dsl_vote", data)

return web.Response(status=200, text="OK")

return web.Response(status=401, text="Unauthorized")

async def run(self, port: int):

for webhook in self._webhooks:

self.__app.router.add_post(self._webhooks[webhook]["path"], self._webhooks[webhook]["func"])

runner = web.AppRunner(self.__app)

await runner.setup()

self._webserver = web.TCPSite(runner, '0.0.0.0', port)

await self._webserver.start()

self._is_closed = False

async def close(self):

await self._webserver.stop()

self._is_closed = True