def container_environment_copy(event, _):
    result = event['fragment']
    environments_to_inherit = list(dpath.util.search(result, '**/Environment/*/inheritFrom', yielded=True))

    if not environments_to_inherit:
        raise ValueError("No parameter found with the name inheritFrom in any Environment section")

    for environment in environments_to_inherit:
        source_path = environment[0].rsplit('/', maxsplit=2)[0]
        _delete_macro_trigger(result, environment)
        inherited_values = dpath.util.get(result, environment[1])
        original_values = dpath.util.get(result, source_path)
        _merge_dictionaries(result, source_path, original_values, inherited_values)

    return {
        "requestId": event['requestId'],
        "status": "success",
        "fragment": result,
    }


def _delete_macro_trigger(result, environment):
    dpath.util.delete(result, environment[0].rsplit('/', maxsplit=1)[0])


def _merge_dictionaries(result, source_path, original_values, inherited_values):
    dpath.util.set(result, source_path, _merge_variables(original_values, inherited_values))


def _merge_variables(original_values, inherited_values):
    original_values_names = set(filter(lambda x: x is not None, map(lambda x: x.get('Name'), original_values)))
    resulting_environment = list(filter(lambda x: x and x.get('Name') not in original_values_names, inherited_values))
    resulting_environment.extend(original_values)
    return resulting_environment