"""
###########################################################################
#
# Copyright (c) 2020-2022 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    loader.py
#
# @author  (last)      Peter Lucia
# @date    (last)      22-Jan-2021
# @author  (original)  Behrouz NematiPour
# @date    (original)  04-Dec-2020
#
############################################################################
The Heparin ui loader class
"""
import os
from simulator.dynamicloader import DynamicLoader
from PySide2 import QtWidgets
from PySide2.QtCore import Slot


class Loader(DynamicLoader):
    """
    The Saline Bolus ui loader class
    """

    btnAccept: QtWidgets.QPushButton
    btnReject: QtWidgets.QPushButton
    lblAction: QtWidgets.QLabel
    spnRejectReason: QtWidgets.QSpinBox

    def __init__(self):
        super().__init__(os.path.dirname(__file__))

    def _init_loader(self):
        """
        finds and creates widgets
        :return: none
        """
        # saline adjustment
        self.btnAccept = self.find_button('btnAccept')
        self.btnReject = self.find_button('btnReject')
        self.lblAction = self.find_label('lblAction')
        self.spnRejectReason = self.find_spinbox('spnRejectReason')

    def _init_widgets(self):
        """
        initializes the widgets' properties
        :return: none
        """
        pass

    def _init_connections(self):
        """
        initializes the widgets connections
        :return:
        """
        self.btnAccept.clicked.connect(self.do_accept)
        self.btnReject.clicked.connect(self.do_reject)

    @Slot()
    def do_accept(self):
        """
        the slot for accept button
        :return: none
        """
        self.hd_simulator.cmd_send_start_treatment_response(1, 0)
        self.lblAction.setText('Accepted ')

    @Slot()
    def do_reject(self):
        """
        the slot for accept saline bolus button
        :return: none
        """
        reason = self.spnRejectReason.value()
        self.hd_simulator.cmd_set_heparin_pause_resume_response(False, reason, self.requested_state)
        self.lblAction.setText('Rejected ' + "{}".format(reason))

    @Slot()
    def do_data(self, value):
        """
        the slot which is called to send the data
        by calling the denaliMessage API setTreatmentHeparinData
        :return: none
        """
        volume = value * 0.1
        self.hd_simulator.cmd_set_treatment_heparin_data(volume)
        self.lblCumulative.setNum(volume)