from rulesparser import RulesParser
from rulebook import Rulebook
from interactive import interactve_mode
import argparse

def main():
    parser = argparse.ArgumentParser(
            prog = "Markov",
            description = "Simple tool to apply Markov's normal algorithms"
            )
    parser.add_argument("rulebook", type=str, help="File with the rules for algorithm")
    parser.add_argument("-c", "--command-line-input",
                        help="Takes input from user via command line "
                        "arguments. There should be only one string. "
                        "Please, use quotation marks")
    parser.add_argument("-v", "--verbose", action="store_true",
                        help="If set, verbose output will be produced. "
                        "It'll contain all intermediate transformations, "
                        "reason of stop etc.")
    args = parser.parse_args()

    rules = RulesParser().parse(args.rulebook)
    rulebook = Rulebook(rules)
    print(args.command_line_input)
    if not args.command_line_input:
        interactve_mode(rulebook)
        return

    transformer = (rulebook.logged_transform if args.verbose
                   else rulebook.transform)
    if args.verbose:
        _, log = transformer(args.command_line_input)
        print(log)
    else:
        print(transformer(args.command_line_input))


if __name__ == "__main__":
    main()