"""
    The TD Valves 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 Valves 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.ValveID   = self.find_widget(QtWidgets.QSlider        , 'ValveIDSlider'   )
        self.State     = self.find_widget(QtWidgets.QSlider        , 'StateSlider'     )
        self.PosName   = self.find_widget(QtWidgets.QSlider        , 'PosNameSlider'   )
        self.PosCount  = self.find_widget(QtWidgets.QSlider        , 'PosCountSlider'  )
        self.NextPos   = self.find_widget(QtWidgets.QSlider        , 'NextPosSlider'   )

    def _init_connections(self):
        """
        initializes the widgets connections
        :return: none
        """
        # self.tbReset.clicked.connect(self._init_widgets)
        # self.tbSend.clicked.connect(self.do_valve_data)
        # self.tblOpMode.currentCellChanged.connect(self.do_treatment_states)
        # self.tblSubMode.currentCellChanged.connect(self.do_treatment_states)
        self.ValveID .valueChanged.connect(self.do_valve_data)  
        self.State   .valueChanged.connect(self.do_valve_data)  
        self.PosName .valueChanged.connect(self.do_valve_data)  
        self.PosCount.valueChanged.connect(self.do_valve_data)  
        self.NextPos .valueChanged.connect(self.do_valve_data)  

    @Slot()
    def _init_widgets(self):
        """
        initializes the widgets' properties
        :return: none
        """
        self.ValveID.setValue(0)
        self.State.setValue(0)   
        self.PosName.setValue(0)
        self.PosCount.setValue(0)
        self.NextPos.setValue(0) 

    @Slot()
    def do_valve_data(self):
        """
        the slot for Valve data change
        :return: none
        """
        valve_id    = self.ValveID.value()
        state       = self.State.value()  
        pos_name    = self.PosName.value()
        pos_count   = self.PosCount.value()
        next_pos    = self.NextPos.value()
        self.td_interface.td_valves(
            valve_id   ,
            state      ,
            pos_name   ,
            pos_count  ,
            next_pos   
        )