"""
The ui loader class
"""
# Python
import os

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

# parent
from engine.dynamicloader           import DynamicLoader

# plugin specific

# dialin
from leahi_dialin.ui.td_messaging   import TD_Messaging
from leahi_dialin.common.td_defs    import TDOpModes
from leahi_dialin.common.td_defs    import TDStandbyStates
from leahi_dialin.utils             import conversions
from leahi_dialin.protocols         import CAN


class Loader(DynamicLoader):
    """
    The ui loader class
    """

    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.btnStandby                                         = self.find_widget(QtWidgets.QPushButton, 'btnStandby'                                      )
        self.btnCreate                                          = self.find_widget(QtWidgets.QPushButton, 'btnCreate'                                       )
        self.btnCreateReset                                     = self.find_widget(QtWidgets.QToolButton, 'btnCreateReset'                                  )
        self.btnValidate                                        = self.find_widget(QtWidgets.QPushButton, 'btnValidate'                                     )
        self.btnValidateReset                                   = self.find_widget(QtWidgets.QToolButton, 'btnValidateReset'                                )
        self.btnConfirm                                         = self.find_widget(QtWidgets.QPushButton, 'btnConfirm'                                      )

        self.spnCreateRxRejectReason                            = self.find_widget(QtWidgets.QSpinBox , 'spnCreateRxRejectReason'                           )

        self.spnBloodFlowRateRejectReason                       = self.find_widget(QtWidgets.QSpinBox , 'spnBloodFlowRateRejectReason'                      )
        self.spnDialysateFlowRateRejectReason                   = self.find_widget(QtWidgets.QSpinBox , 'spnDialysateFlowRateRejectReason'                  )
        self.spnTreatmentDurationRejectReason                   = self.find_widget(QtWidgets.QSpinBox , 'spnTreatmentDurationRejectReason'                  )
        self.spnSalineBolusVolumeRejectReason                   = self.find_widget(QtWidgets.QSpinBox , 'spnSalineBolusVolumeRejectReason'                  )
        self.spnHeparinStopTimeRejectReason                     = self.find_widget(QtWidgets.QSpinBox , 'spnHeparinStopTimeRejectReason'                    )
        self.spnHeparinTypeRejectReason                         = self.find_widget(QtWidgets.QSpinBox , 'spnHeparinTypeRejectReason'                        )
        self.spnAcidConcentrateRejectReason                     = self.find_widget(QtWidgets.QSpinBox , 'spnAcidConcentrateRejectReason'                    )
        self.spnBicarbonateConcentrateRejectReason              = self.find_widget(QtWidgets.QSpinBox , 'spnBicarbonateConcentrateRejectReason'             )
        self.spnDialyzerTypeRejectReason                        = self.find_widget(QtWidgets.QSpinBox , 'spnDialyzerTypeRejectReason'                       )
        self.spnBloodPressureMeasureIntervalRejectReason        = self.find_widget(QtWidgets.QSpinBox , 'spnBloodPressureMeasureIntervalRejectReason'       )
        self.spnRinsebackFlowRateRejectReason                   = self.find_widget(QtWidgets.QSpinBox , 'spnRinsebackFlowRateRejectReason'                  )
        self.spnRinsebackVolumeRejectReason                     = self.find_widget(QtWidgets.QSpinBox , 'spnRinsebackVolumeRejectReason'                    )
        self.spnArterialPressureLimitWindowRejectReason         = self.find_widget(QtWidgets.QSpinBox , 'spnArterialPressureLimitWindowRejectReason'        )
        self.spnVenousPressureLimitWindowRejectReason           = self.find_widget(QtWidgets.QSpinBox , 'spnVenousPressureLimitWindowRejectReason'          )
        self.spnVenousPressureLimitAsymtrcRejectReason          = self.find_widget(QtWidgets.QSpinBox , 'spnVenousPressureLimitAsymtrcRejectReason'         )
        self.spnTransmembranePressureLimitWindowRejectReason    = self.find_widget(QtWidgets.QSpinBox , 'spnTransmembranePressureLimitWindowRejectReason'   )
        self.spnDialysateTempRejectReason                       = self.find_widget(QtWidgets.QSpinBox , 'spnDialysateTempRejectReason'                      )
        self.spnHeparinDispensingRateRejectReason               = self.find_widget(QtWidgets.QSpinBox , 'spnHeparinDispensingRateRejectReason'              )
        self.spnHeparinBolusVolumeRejectReason                  = self.find_widget(QtWidgets.QSpinBox , 'spnHeparinBolusVolumeRejectReason'                 )


    def _init_widgets(self):
        """
        initializes the widgets' properties
        :return: none
        """
        pass

    def _init_connections(self):
        """
        initializes the widgets connections
        :return:
        """
        self.btnStandby         .clicked.connect(self.do_standby        )
        self.btnCreate          .clicked.connect(self.do_create         )
        self.btnCreateReset     .clicked.connect(self.do_createReset    )
        self.btnValidate        .clicked.connect(self.do_validate       )
        self.btnValidateReset   .clicked.connect(self.do_validateReset  )
        self.btnConfirm         .clicked.connect(self.do_confirm        )

    @Slot()
    def do_standby(self):
        self.td_interface.td_operation_mode(
            TDOpModes.MODE_STAN.value,
            TDStandbyStates.STANDBY_WAIT_FOR_TREATMENT_STATE.value
        )
    
    @Slot()
    def do_create(self):
        if self.spnCreateRxRejectReason.value() == 0 :
            self.td_interface.td_Treatment_Parameters_CreateRx (0)
            self.td_interface.td_operation_mode(
                TDOpModes.MODE_TPAR.value,
                TDStandbyStates.STANDBY_WAIT_FOR_TREATMENT_STATE.value
            )
        else:
            self.td_interface.td_Treatment_Parameters_CreateRx (self.spnCreateRxRejectReason.value())

    @Slot()
    def do_createReset(self):
        self.spnCreateRxRejectReason.setValue(0)

    @Slot()
    def do_confirm(self):
        self.td_interface.td_operation_mode(
            TDOpModes.MODE_PRET.value,
            TDStandbyStates.STANDBY_WAIT_FOR_TREATMENT_STATE.value
        )
    
    @Slot()
    def do_validate(self):
        """
        send the validation response message
        :return: none
        """
        accepted = (
            self.spnBloodFlowRateRejectReason                   .value() +
            self.spnDialysateFlowRateRejectReason               .value() +
            self.spnTreatmentDurationRejectReason               .value() +
            self.spnSalineBolusVolumeRejectReason               .value() +
            self.spnHeparinStopTimeRejectReason                 .value() +
            self.spnHeparinTypeRejectReason                     .value() +
            self.spnAcidConcentrateRejectReason                 .value() +
            self.spnBicarbonateConcentrateRejectReason          .value() +
            self.spnDialyzerTypeRejectReason                    .value() +
            self.spnBloodPressureMeasureIntervalRejectReason    .value() +
            self.spnRinsebackFlowRateRejectReason               .value() +
            self.spnRinsebackVolumeRejectReason                 .value() +
            self.spnArterialPressureLimitWindowRejectReason     .value() +
            self.spnVenousPressureLimitWindowRejectReason       .value() +
            self.spnVenousPressureLimitAsymtrcRejectReason      .value() +
            self.spnTransmembranePressureLimitWindowRejectReason.value() +
            self.spnDialysateTempRejectReason                   .value() +
            self.spnHeparinDispensingRateRejectReason           .value() +
            self.spnHeparinBolusVolumeRejectReason              .value()
        ) == 0
        
        self.td_interface.td_Treatment_Parameters_Validation(
            1 if accepted else 0,
            self.spnBloodFlowRateRejectReason                   .value(),
            self.spnDialysateFlowRateRejectReason               .value(),
            self.spnTreatmentDurationRejectReason               .value(),
            self.spnSalineBolusVolumeRejectReason               .value(),
            self.spnHeparinStopTimeRejectReason                 .value(),
            self.spnHeparinTypeRejectReason                     .value(),
            self.spnAcidConcentrateRejectReason                 .value(),
            self.spnBicarbonateConcentrateRejectReason          .value(),
            self.spnDialyzerTypeRejectReason                    .value(),
            self.spnBloodPressureMeasureIntervalRejectReason    .value(),
            self.spnRinsebackFlowRateRejectReason               .value(),
            self.spnRinsebackVolumeRejectReason                 .value(),
            self.spnArterialPressureLimitWindowRejectReason     .value(),
            self.spnVenousPressureLimitWindowRejectReason       .value(),
            self.spnVenousPressureLimitAsymtrcRejectReason      .value(),
            self.spnTransmembranePressureLimitWindowRejectReason.value(),
            self.spnDialysateTempRejectReason                   .value(),
            self.spnHeparinDispensingRateRejectReason           .value(),
            self.spnHeparinBolusVolumeRejectReason              .value() 
        )


    @Slot()
    def do_validateReset(self):
        self.spnBloodFlowRateRejectReason                   .setValue(0)
        self.spnDialysateFlowRateRejectReason               .setValue(0)
        self.spnTreatmentDurationRejectReason               .setValue(0)
        self.spnSalineBolusVolumeRejectReason               .setValue(0)
        self.spnHeparinStopTimeRejectReason                 .setValue(0)
        self.spnHeparinTypeRejectReason                     .setValue(0)
        self.spnAcidConcentrateRejectReason                 .setValue(0)
        self.spnBicarbonateConcentrateRejectReason          .setValue(0)
        self.spnDialyzerTypeRejectReason                    .setValue(0)
        self.spnBloodPressureMeasureIntervalRejectReason    .setValue(0)
        self.spnRinsebackFlowRateRejectReason               .setValue(0)
        self.spnRinsebackVolumeRejectReason                 .setValue(0)
        self.spnArterialPressureLimitWindowRejectReason     .setValue(0)
        self.spnVenousPressureLimitWindowRejectReason       .setValue(0)
        self.spnVenousPressureLimitAsymtrcRejectReason      .setValue(0)
        self.spnTransmembranePressureLimitWindowRejectReason.setValue(0)
        self.spnDialysateTempRejectReason                   .setValue(0)
        self.spnHeparinDispensingRateRejectReason           .setValue(0)
        self.spnHeparinBolusVolumeRejectReason              .setValue(0)