"""
The Heparin ui loader class
"""

# Python
import os
# Qt
from PySide2 import QtWidgets
from PySide2.QtCore import Slot
# parent
from simulator.dynamicloader import DynamicLoader
# hd Simulator
from simulator.interface import SimulationInterface
# plugin specific
#  -- none --


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

    sldTarget: QtWidgets.QSlider
    sldCurrent: QtWidgets.QSlider

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

    def _init_loader(self):
        """
        finds and creates widgets
        :return: none
        """
        # blood prime data
        self.sldTarget = self.find_slider('sldTarget')
        self.sldCurrent = self.find_slider('sldCurrent')

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

    def _init_connections(self):
        """
        initializes the widgets connections
        :return:
        """
        # saline data
        self.sldTarget.valueChanged.connect(self.do_data)
        self.sldCurrent.valueChanged.connect(self.do_data)

    @Slot()
    def do_data(self):
        """
        the slot which is called to send the data
        by calling the denaliMessage API cmd_send_treatment_blood_prime_data
        :return: none
        """
        target = self.sldTarget.value()
        current = self.sldCurrent.value()
        self.interface.hd.cmd_send_treatment_blood_prime_data(target, current)