###########################################################################
#
# Copyright (c) 2020-2024 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    post_gen_dialysate.py
#
# @author  (last)      Micahel Garthwaite
# @date    (last)      07-Mar-2023
# @author  (original)  Micahel Garthwaite
# @date    (original)  29-Oct-2020
#
############################################################################
import struct
from enum import unique
from logging import Logger

from .constants import RESET, NO_RESET
from leahi_dialin.common.msg_defs import MsgIds, MsgFieldPositions
from leahi_dialin.protocols.CAN import DenaliMessage, DenaliChannels
from leahi_dialin.utils.base import AbstractSubSystem, publish, DialinEnum
from leahi_dialin.utils.checks import check_broadcast_interval_override_ms
from leahi_dialin.utils.conversions import integer_to_bytearray, float_to_bytearray

class DDGenDialysate(AbstractSubSystem):
    """
    Gen Dialysate

    Dialysate Delivery (DD) Dialin API sub-class for gen dialysate related 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

        if self.can_interface is not None:
            channel_id = DenaliChannels.dd_sync_broadcast_ch_id
            msg_id = MsgIds.MSG_ID_DD_POST_GEN_DIALYSATE_STATE_DATA.value
            self.can_interface.register_receiving_publication_function(channel_id, msg_id,
                                                                       self._handler_post_gen_dialysate_sync)

        self.execution_state = 0
        self.post_gen_state_timestamp = 0

    def _handler_post_gen_dialysate_sync(self, message, timestamp=0.0):
        """
        Handles published gen dialysate data messages.

        @param message:  published gen dialysate data message
        @return: None
        """

        self.execution_state = struct.unpack('I', bytearray(
            message['message'][MsgFieldPositions.START_POS_FIELD_1:MsgFieldPositions.END_POS_FIELD_1]))[0]

        post_gen_state_timestamp = timestamp