from .knowledge_base import KnowledgeBase
from .tests import gac_100
from .modifiable_property import (
    ModifiableProperty,
    ModifiablePropertyWithAst,
    is_modifiable_property,
)


bye_phrases = ['bye', 'exit']


def debug(knowledge):
    for key in knowledge.knowledge:
        print("\x1b[1m{}\x1b[0m {}".format(key, knowledge.knowledge[key]))


def main():
    knowledge = gac_100.main()
    while True:
        try:
            data = input("> ").strip()
        except EOFError:
            print("bye")
            break
        if data.lower() in bye_phrases:
            break
        if not data:
            continue

        if data == '/debug':
            debug(knowledge)
            continue

        ret = knowledge.process(data)
        if ret:
            result, _, _ = ret
            if not is_modifiable_property(result):
                print("<", result)
            else:
                result.setter()
                print("OK")
    print("< Bye!")