"""
Module for managing a DTP 7001 remote value.

DPT 7.001.
"""
from typing import List

from xknx.dpt import DPT2ByteUnsigned, DPTArray

from .remote_value import RemoteValue


class RemoteValueDpt2ByteUnsigned(RemoteValue):
    """Abstraction for remote value of KNX DPT 7.001."""

    def __init__(
        self,
        xknx,
        group_address=None,
        group_address_state=None,
        device_name=None,
        feature_name="Value",
        after_update_cb=None,
        passive_group_addresses: List[str] = None,
    ):
        """Initialize remote value of KNX DPT 7.001."""
        # pylint: disable=too-many-arguments
        super().__init__(
            xknx,
            group_address,
            group_address_state,
            device_name=device_name,
            feature_name=feature_name,
            after_update_cb=after_update_cb,
            passive_group_addresses=passive_group_addresses,
        )

    def payload_valid(self, payload):
        """Test if telegram payload may be parsed."""
        return isinstance(payload, DPTArray) and len(payload.value) == 2

    def to_knx(self, value):
        """Convert value to payload."""
        return DPTArray(DPT2ByteUnsigned.to_knx(value))

    def from_knx(self, payload):
        """Convert current payload to value."""
        return DPT2ByteUnsigned.from_knx(payload.value)
