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

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

# parent
from engine.dynamicloader   import DynamicLoader

# plugin specific
from leahi_dialin.common.td_defs  import TDOpModes
from leahi_dialin.common.td_defs  import TDStandbyStates

# hd Simulator
from leahi_dialin.ui.td_messaging import TD_Messaging


class Loader(DynamicLoader):
    """
    The TD Air 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.tbReset    = self.find_widget(QtWidgets.QToolButton    , 'tbReset'                 )   
        self.tbSend     = self.find_widget(QtWidgets.QToolButton    , 'tbSend'                  )

        self.sbState    = self.find_widget(QtWidgets.QSpinBox       , 'sbState'                 )
        self.sbPower    = self.find_widget(QtWidgets.QSpinBox       , 'sbPower'                 )

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

    @Slot()
    def _init_widgets(self):
        """
        initializes the widgets' properties
        :return: none
        """
        self.sbState .setValue(0)
        self.sbPower .setValue(0)

    @Slot()
    def do_air_pump_data(self):
        """
        the slot for air pump change
        :return: none
        """
        H12_state = self.sbState .value()
        H12_power = self.sbPower .value()
        self.td_interface.td_air_pump(
            H12_state ,
            H12_power
        )