"""
    The FP RO Pumps ui loader
"""
# Python
import os

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

# parent
from engine.dynamicloader   import DynamicLoader

# fp Simulator
from leahi_dialin.ui.fp_messaging import FP_Messaging


class Loader(DynamicLoader):
    """
    The FP RO Pumps ui loader
    """

    def __init__(self):
        self.fp_interface = FP_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.sbP12State                 = self.find_widget(QtWidgets.QSpinBox       , 'sbP12State'                  )
        self.sbP12DutyCycle             = self.find_widget(QtWidgets.QSpinBox       , 'sbP12DutyCycle'              )     
        self.sbP12FBDutyCycle           = self.find_widget(QtWidgets.QSpinBox       , 'sbP12FBDutyCycle'            )
        self.dsbP12RPM                  = self.find_widget(QtWidgets.QDoubleSpinBox , 'dsbP12RPM'                   )
        self.dsbP12TargetPressure       = self.find_widget(QtWidgets.QDoubleSpinBox , 'dsbP12TargetPressure'        )
        self.dsbP12MeasuredFlow         = self.find_widget(QtWidgets.QDoubleSpinBox , 'dsbP12MeasuredFlow'          )
        self.dsbP12TargetDutyCycle      = self.find_widget(QtWidgets.QDoubleSpinBox , 'dsbP12TargetDutyCycle'       )
        self.dsbP12DutyCyclePct         = self.find_widget(QtWidgets.QDoubleSpinBox , 'dsbP12DutyCyclePct'          )
        self.dsbP12FBDutyCyclePct       = self.find_widget(QtWidgets.QDoubleSpinBox , 'dsbP12FBDutyCyclePct'        )

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

    @Slot()
    def _init_widgets(self):
        """
        initializes the widgets' properties
        :return: none
        """
        self.sbP12State             .setValue(0)
        self.sbP12DutyCycle         .setValue(0)
        self.sbP12FBDutyCycle       .setValue(0)
        self.dsbP12RPM              .setValue(0)
        self.dsbP12TargetPressure   .setValue(0)
        self.dsbP12MeasuredFlow     .setValue(0)
        self.dsbP12TargetDutyCycle  .setValue(0)
        self.dsbP12DutyCyclePct     .setValue(0)
        self.dsbP12FBDutyCyclePct   .setValue(0)

    @Slot()
    def do_fp_ro_pump(self):
        """
        the slot for fp RO Pump change
        :return: none
        """
        
        p12PumpState             = self.sbP12State                  .value()
        p12PumpDutyCycle         = self.sbP12DutyCycle              .value()
        p12PumpFBDutyCycle       = self.sbP12FBDutyCycle            .value()
        p12PumpSpeed             = self.dsbP12RPM                   .value()
        p12TargetPressure        = self.dsbP12TargetPressure        .value()
        p12TargetFlow            = self.dsbP12MeasuredFlow          .value()
        p12TargetDutyCycle       = self.dsbP12TargetDutyCycle       .value()
        p12PumpDutyCyclePct      = self.dsbP12DutyCyclePct          .value()
        p12PumpFBDutyCyclePct    = self.dsbP12FBDutyCyclePct        .value()

        self.fp_interface.fp_ro_pump(
            p12PumpState          , 
            p12PumpDutyCycle      ,
            p12PumpFBDutyCycle    ,
            p12PumpSpeed          ,
            p12TargetPressure     ,
            p12TargetFlow         ,
            p12TargetDutyCycle    ,
            p12PumpDutyCyclePct   ,
            p12PumpFBDutyCyclePct               
        )