import getopt
import sys
import logging

from core.sheerka import Sheerka
import core.utils


def usage():
    print("Sheerka v0.1\n")
    print("usage:")
    print(sys.argv[0] + "[-hd] command ")


def main(argv):
    try:
        opts, args = getopt.getopt(argv, "hdl:", ["help", "debug", "logger="])
        debug = False
        loggers = set()
        for o, a in opts:
            if o in ('-h', "--help"):
                usage()
                return True
            if o in ('-d', "--debug"):
                debug = True
            if o in ('-l', '-logger'):
                loggers.add(a)

        sheerka = Sheerka(debug=debug, loggers=loggers)
        sheerka.initialize()

        _in = core.utils.sysarg_to_string(args)
        result = sheerka.eval(_in)

        for res in result:
            logging.info(res)

        return result[-1].status if len(result) > 0 else 1
    except getopt.GetoptError:
        usage()
        sys.exit(2)


if __name__ == '__main__':
    res = main(sys.argv[1:])
    exit(0 if res else 1)