#!/usr/bin/env python3
import logging
from logging.config import dictConfig
import atexit

import discord
import discord.utils

import db
from util import find_all_subclasses
from config import get_config, get_secret
from rollbot import Rollbot
from command_system import RollbotMessage, RollbotPlugin
import plugins

dictConfig({
    'version': 1,
    'disable_existing_loggers': False,
    'formatters': {
        'default': {'format': '%(asctime)s - %(levelname)s - %(message)s', 'datefmt': '%Y-%m-%d %H:%M:%S'}
    },
    'handlers': {
        'console': {
            'level': 'INFO',
            'formatter': 'default',
            'class': 'logging.StreamHandler',
            'stream': 'ext://sys.stdout',
        },
    },
    'loggers': {
        '': {
            'handlers': ['console'],
            'level': 'INFO',
            'propagate': True
        },
    }
})

client = discord.Client()

msg_queue = []

rollbot = Rollbot(
    logger=logging,
    plugin_classes=find_all_subclasses(RollbotPlugin),
    aliases=get_config("aliases"),
    responses=get_config("responses"),
    callback=lambda msg, channel_id: msg_queue.append((msg, discord.utils.get(client.get_all_channels(), id=int(channel_id)))),
    session_factory=db.session_scope
)
rollbot.logger.info("Initializing database tables")
db.init_db()
rollbot.logger.info("Finished initializing database")
rollbot.start_plugins()
atexit.register(rollbot.shutdown_plugins)


@client.event
async def on_message(message):
    msg = RollbotMessage.from_discord(message) # TODO admins
    rollbot.handle_command(msg)
    while len(msg_queue) > 0:
        content, channel = msg_queue.pop()
        await channel.send(content)


if __name__ == "__main__":
    client.run(get_secret("discord_token"))