"""
    The TD Air Trap Mode 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 Trap 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.low_level          = self.find_widget(QtWidgets.QSpinBox   , 'lowLevelSpinBox'     )
        self.upper_level        = self.find_widget(QtWidgets.QSpinBox   , 'upperLevelSpinBox'   )
        self.low_level_raw      = self.find_widget(QtWidgets.QSpinBox   , 'lowLevelRawSpinBox'  )
        self.upper_level_raw    = self.find_widget(QtWidgets.QSpinBox   , 'upperLevelRawSpinBox')
        self.valve_state_inlet  = self.find_widget(QtWidgets.QSpinBox   , 'valveStateH13SpinBox')
        self.valve_state_outlet = self.find_widget(QtWidgets.QSpinBox   , 'valveStateH20SpinBox')
        self.control            = self.find_widget(QtWidgets.QCheckBox   , 'controlCheckBox'    )

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

    @Slot()
    def _init_widgets(self):
        """
        initializes the widgets' properties
        :return: none
        """
        self.low_level.setValue(0)
        self.upper_level.setValue(0)
        self.low_level_raw.setValue(0)
        self.upper_level_raw.setValue(0)
        self.valve_state_inlet.setValue(0)
        self.valve_state_outlet.setValue(0)

        self.control.setChecked(False)

    @Slot()
    def do_air_trap(self):
        """
        the slot for air trap change
        :return: none
        """
        H17_state      = self.low_level.value()
        H16_state      = self.upper_level.value()
        H17_raw_state  = self.low_level_raw.value()
        H16_raw_state  = self.upper_level_raw.value()
        H13_state      = self.valve_state_inlet.value()
        H20_State      = self.valve_state_outlet.value()
        controlling    = int(self.control.isChecked())
        self.td_interface.td_air_trap(
            H17_state      ,
            H16_state      ,
            H17_raw_state  ,
            H16_raw_state  ,
            H13_state      , 
            H20_State      ,
            controlling    
        )