# import settings

class NpcMeta(type):
    def __new__(cls, name, base, attrs, **kwargs):
        super_new = super().__new__

        parents = [b for b in base if isinstance(b, NpcMeta)]
        if not parents:
            return super_new(cls, name, base, attrs)

        module = attrs.pop('__module__')
        new_attrs = {'__module__': module}
        new_class = super_new(cls, name, base, new_attrs, **kwargs)
        attr_meta = attrs.pop('Meta', None)
        meta = attr_meta or getattr(new_class, 'Meta', None)
        base_meta = getattr(new_class, '_meta', None)

        for i in meta.__dict__.keys():
            if i.find("__"):
                if getattr(meta, i) in (None, []):
                    setattr(meta, i, "%s.%s" % (name, i))
                    print("*** Empty '%s' parameter in '%s'. Setting to '%s'" % (i, name, getattr(meta, i)))

        meta_args = {k : v for k, v in meta.__dict__.items() if k.find("__")}
        new_class._write(meta_args)
        return new_class

    def _write(cls, data):
        with open("npc.txt", "r+", encoding="utf-8") as f:
            tree = f"[{cls.__name__}]\n"
            for i, j in data.items():
                tree += f"{i} = {j}\n"

            f.write(tree)

class NpcBase(metaclass=NpcMeta):
    def __init__(self, *args, **kwargs):
        cls = self.__class__
        # opts = self._meta
        super().__init__()


class TestNpc(NpcBase):
    class Meta:
        npc_name = "Joe0"
        npc_health = None
        npc_fraction = "Cool fraction"
        npc_armor_name = "Cool Armor"
        npc_armor_health = 30
        npc_phrases = ["1", "2", "3"]
        npc_inventory = []

class TestNpc1(NpcBase):
    class Meta:
        npc_name = "Joe1"
        npc_health = 100
        npc_fraction = "Cool fraction"
        npc_armor_name = "Cool Armor"
        npc_armor_health = 30
        npc_phrases = ["1", "2", "3"]
        npc_inventory = []