import db
import time
import logging
import raven
import configparser
import os
import typing
import telegram
import sys

logging.getLogger().setLevel(level=logging.ERROR)
logger = logging.getLogger(__name__)
logger.setLevel(level=logging.DEBUG)

# Init the config reader
config = configparser.ConfigParser()
config.read("config.ini")

# Init the Sentry client
sentry = raven.Client(config["Sentry"]["token"],
                      release=raven.fetch_git_sha(os.path.dirname(__file__)),
                      install_logging_hook=False,
                      hook_libraries=[])

telegram_bot = telegram.Bot(config["Telegram"]["bot_token"])


def update_block(block: list, delay: float=0, change_callback: typing.Callable=None):
    for item in block:
        logger.debug(f"Updating {repr(item)}.")
        t = time.clock()
        try:
            change = item.update()
        except Exception as e:
            logger.error(f"Error {sys.exc_info()} while updating {repr(item)}.")
            sentry.extra_context({
                "item": repr(item)
            })
            sentry.captureException()
            continue
        if change:
            change_callback(item)
        sleep_time = delay - time.clock() + t
        time.sleep(sleep_time if sleep_time > 0 else 0)


def new_dota_rank(item: db.Dota):
    try:
        telegram_bot.send_message(config["Telegram"]["main_group"],
                                  f"✳️ {item.steam.royal.username} è salito a"
                                  f" {item.get_rank_name()} {item.get_rank_number()} su Dota 2!")
    except Exception:
        logger.warning(f"Couldn't notify on Telegram: {item}")


def new_lol_rank(item: db.LeagueOfLegends):
    try:
        telegram_bot.send_message(config["Telegram"]["main_group"],
                                  f"✳️ {item.royal.username} è salito di rank su League of Legends!")
    except Exception:
        logger.warning(f"Couldn't notify on Telegram: {item}")


def process():
    while True:
        logger.info("Pausing for 30 minutes.")
        time.sleep(1800)
        session = db.Session()
        logger.info("Now updating Steam data.")
        update_block(session.query(db.Steam).all())
        session.commit()
        logger.info("Now updating Dota data.")
        update_block(session.query(db.Dota).all(), delay=1, change_callback=new_dota_rank)
        session.commit()
        logger.info("Now updating League of Legends data.")
        update_block(session.query(db.LeagueOfLegends).all(), delay=0.3, change_callback=new_lol_rank)
        session.commit()
        logger.info("Now updating osu! data.")
        update_block(session.query(db.Osu).all(), delay=0.3)
        session.commit()
        logger.info("Now updating Overwatch data.")
        update_block(session.query(db.Overwatch).all(), delay=1)
        session.commit()


if __name__ == "__main__":
    process()