###########################################################################
#
# Copyright (c) 2023-2024 Diality Inc. - All Rights Reserved.
#
# THIS CODE MAY NOT BE COPIED OR REPRODUCED IN ANY FORM, IN PART OR IN
# WHOLE, WITHOUT THE EXPLICIT PERMISSION OF THE COPYRIGHT OWNER.
#
# @file    dg_proxy.py
#
# @author  (last)      Micahel Garthwaite
# @date    (last)      15-Aug-2023
# @author  (original)  Micahel Garthwaite
# @date    (original)  15-Aug-2023
#
############################################################################
from logging import Logger

from ..common.msg_defs import MsgIds
from ..protocols.CAN import DenaliMessage, DenaliChannels
from ..utils.base import AbstractSubSystem
from ..utils.conversions import integer_to_bytearray, float_to_bytearray
from ..dg import NO_RESET, RESET


class HDDGProxy(AbstractSubSystem):
    """
    Hemodialysis Device (HD) Dialin API sub-class for DG proxy commands.
    """

    def __init__(self, can_interface, logger: Logger):
        """

        @param can_interface: Denali CAN Messenger object
        """
        super().__init__()
        self.can_interface = can_interface
        self.logger = logger

    def cmd_dg_send_command_response(self, cmd_id: int = 0, rejected: bool = 0, rejection_code:int = 0):
        """
        Constructs and sends a DG command response to the HD.

        @param: cmd_id: The DG command ID
        @param: rejected: 0 for acceptance, 1 for rejection
        @param: rejection_code: The rejection reason.
        @return: none
        """
        cmd = integer_to_bytearray(cmd_id)
        rej = integer_to_bytearray(rejected)
        rec = integer_to_bytearray(rejection_code)
        payload = cmd + rej + rec
        message = DenaliMessage.build_message(channel_id=DenaliChannels.dg_to_hd_ch_id,
                                              message_id=MsgIds.MSG_ID_DG_COMMAND_RESPONSE.value,
                                              payload=payload)

        self.logger.debug("Sending DG command response to the HD.")
        self.can_interface.send(message, 0)