from sfa.util.enumeration import Enum

# recognized top level rspec elements
RSpecElements = Enum(
    AVAILABLE='AVAILABLE',
    BWLIMIT='BWLIMIT',
    EXECUTE='EXECUTE',
    NETWORK='NETWORK',
    COMPONENT_MANAGER='COMPONENT_MANAGER',
    HARDWARE_TYPE='HARDWARE_TYPE',
    INSTALL='INSTALL',
    INTERFACE='INTERFACE',
    INTERFACE_REF='INTERFACE_REF',
    LOCATION='LOCATION',
    LOGIN='LOGIN',
    LINK='LINK',
    LINK_TYPE='LINK_TYPE',
    NODE='NODE',
    PROPERTY='PROPERTY',
    SERVICES='SERVICES',
    SLIVER='SLIVER',
    SLIVER_TYPE='SLIVER_TYPE',
    LEASE='LEASE',
    GRANULARITY='GRANULARITY',
    SPECTRUM='SPECTRUM',
    CHANNEL='CHANNEL',
    POSITION_3D='POSITION_3D',
)


class RSpecElement:

    def __init__(self, element_type, path):
        if not element_type in RSpecElements:
            raise InvalidRSpecElement(element_type)
        self.type = element_type
        self.path = path