# factory.py

import events
from item import Item

class MakeItems:
    def __new__(cls, config):
        items = {}
        for item in config:
            kwargs = {}
            for key in config[item].keys():
                if key == 'events':
                    kwargs[key] = MakeEvents(config[item][key])
                else:
                    kwargs[key] = config[item][key]
            items[item] = Item(**kwargs)
            if hasattr(items[item], 'prepare'):
                items[item].prepare()
        return items

class MakeEvents:
    def __new__(cls, config):
        objects = []
        for x in config:
            for key in x:
                args = []
                kwargs = {}
                if isinstance(x[key], list):
                    args = x[key]
                elif isinstance(x[key], dict):
                    kwargs = x[key]
                elif x[key] is None:
                    pass
                else:
                    args[0] = x[key]
                obj = getattr(events, key)(*args, **kwargs)
                objects.append(obj)
        return objects

# This just returns an array for now, we'll see if we need to make it into a class later.
class MakeSet:
    def __new__(cls, config, items):
        for item in config:
            if item not in items:
                raise KeyError('{} not in items'.format(item))
        return config