import logging
import tasks

from json import loads, dumps
from db import dbconn
from common import get_redis_queue

def run():
    ET = dbconn('etdb')
    q = get_redis_queue()
    while True:
        f, args = loads(q.blpop("tasks")[1].decode('utf-8'))
        if f == 'generate_scenarios':
            args += [ET]
        logger.info("running: {}, {}".format(f, args))
        getattr(tasks, f)(*args)
        if f == "build_portfolio":
            q.rpush("tasks",  dumps(("build_scenarios", args)))
        if f == "build_scenarios":
            q.rpush("tasks", dumps(("generate_scenarios", args[:-1])))
    ET.close()

if __name__=="__main__":
    logger = logging.getLogger('intex')
    formatter = logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s')
    logger.setLevel(logging.INFO)
    # log to stderr, which is intercepted by circus
    sh = logging.StreamHandler()
    sh.setFormatter(formatter)
    logger.addHandler(sh)
    run()