"""
    The TD Syringe Pump ui loader
"""
# Python
import os

# Qt
from PySide2                import QtCore, QtWidgets
from PySide2.QtCore         import Slot

# parent
from engine.dynamicloader   import DynamicLoader

# hd Simulator
from leahi_dialin.ui.td_messaging import TD_Messaging


class Loader(DynamicLoader):
    """
    The TD Syringe Pump ui loader
    """

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


    def _init_loader(self):
        """
        finds and creates widgets
        :return: none
        """
        self.tbSend             = self.find_widget(QtWidgets.QToolButton    , 'tbSend'                  )

        self.sbPumpState        = self.find_widget(QtWidgets.QSpinBox       , 'sbPumpState'             )
        self.sbDeliveryState    = self.find_widget(QtWidgets.QSpinBox       , 'sbDeliveryState'         )
        self.sbSetRate          = self.find_widget(QtWidgets.QDoubleSpinBox , 'sbSetRate'               )
        self.sbMeasRate         = self.find_widget(QtWidgets.QDoubleSpinBox , 'sbMeasRate'              )
        self.sbPosition         = self.find_widget(QtWidgets.QSpinBox       , 'sbPosition'              )
        self.sbVolumeDelivered  = self.find_widget(QtWidgets.QDoubleSpinBox , 'sbVolumeDelivered'       )
        self.sbHome             = self.find_widget(QtWidgets.QDoubleSpinBox , 'sbHome'                  )
        self.sbForce            = self.find_widget(QtWidgets.QDoubleSpinBox , 'sbForce'                 )
        self.sbSafetyVolume     = self.find_widget(QtWidgets.QDoubleSpinBox , 'sbSafetyVolume'          )
        self.sbStatus           = self.find_widget(QtWidgets.QSpinBox       , 'sbStatus'                )


    def _init_connections(self):
        """
        initializes the widgets connections
        :return: none
        """
        self.tbSend.clicked.connect(self.do_syringePump_data)


    @Slot()
    def _init_widgets(self):
        """
        initializes the widgets' properties
        :return: none
        """
        self.sbPumpState        .setValue(0)
        self.sbDeliveryState    .setValue(0)
        self.sbSetRate          .setValue(0)
        self.sbMeasRate         .setValue(0)
        self.sbPosition         .setValue(0)
        self.sbVolumeDelivered  .setValue(0)
        self.sbHome             .setValue(0)
        self.sbForce            .setValue(0)
        self.sbSafetyVolume     .setValue(0)
        self.sbStatus           .setValue(0)


    @Slot()
    def do_syringePump_data(self):
        """
        the slot for syringePump data change
        :return: none
        """
        self.td_interface.td_syringePump(
                    self.sbPumpState        .value(),
                    self.sbDeliveryState    .value(),
                    self.sbSetRate          .value(),
                    self.sbMeasRate         .value(),
                    self.sbPosition         .value(),
                    self.sbVolumeDelivered  .value(),
                    self.sbHome             .value(),
                    self.sbForce            .value(),
                    self.sbSafetyVolume     .value(),
                    self.sbStatus           .value())