#!/usr/bin/python2.7 -tt

VERSION = "0.1.1/TETRIS"
import argparse
from lib.core.logger import Logger
from lib.config.config import Config
from apscheduler.scheduler import Scheduler
import logging
import subprocess as sp


def parseArgs():
    parser = argparse.ArgumentParser(
        description="Linspector is for monitoring the vital information of hosts, services and devices in a network.",
        epilog="linspector is not some program expecting computers to run!",
        prog="linspector")

    parser.add_argument("action", choices=["start", "stop", "restart", "attach"],
                        help="defines if linspector should beeing attached, started, stopped or restarted.")
    parser.add_argument("--version", action="version", version="%(prog)s " + str(VERSION))
    parser.add_argument("-c", "--config", default="./linspector.json",
                        help="select configfile to use")
    parser.add_argument("-l", "--logfile", default="./log/linspector.log", metavar="FILE",
                        help="set logfile to use")
    parser.add_argument("-p", "--pidfile", default="./tmp/linspector.pid", metavar="FILE",
                        help="set the pidfile to use (default: /tmp/linspector.pid)")

    output = parser.add_mutually_exclusive_group()
    output.add_argument("-q", "--quiet", action="store_const", dest="loglevel", const=logging.ERROR,
                        help="output only errors")
    output.add_argument("-w", "--warning", action="store_const", dest="loglevel", const=logging.WARNING,
                        help="output warnings")
    output.add_argument("-v", "--verbose", action="store_const", dest="loglevel", const=logging.INFO,
                        help="output infos")
    output.add_argument("-d", "--debug", action="store_const", dest="loglevel", const=logging.DEBUG,
                        help="output debug infos")
    output.set_defaults(loglevel=logging.INFO)
    return parser.parse_args()


def main():
    args = parseArgs()
    log = Logger(args.logfile, args.loglevel)

    log.i("parsed arguments")

    if args.action == "start":
        log.i("starting linspector: reading config... (" + args.config + ")")
        config = Config(args.config, log)
        log.d("parsed config: " + str(config))
        for hg in config.hostgroups:
            log.i(str(hg))
    elif args.action == "stop":
        log.i("stopping linspector is currently unsupported")
    elif args.action == "restart":
        sp.call("./linspector stop")
        sp.call(
            "./linspector start --config " + args.config + " --logfile " + args.logfile + " --pidfile " + args.pidfile)
    elif args.action == "attach":
        log.i("attaching linspector is currently unsupported")

    log.close()


if __name__ == "__main__":
    main()
