"""
    The TD Voltage ui loader
"""
# Python
import os

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

# parent
from engine.dynamicloader   import DynamicLoader

# hd Simulator
from leahi_dialin.ui.td_messaging import TD_Messaging


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

        self.line_1_2       = self.find_widget(QtWidgets.QDoubleSpinBox , 'sb12'                    )
        self.line_3_3v      = self.find_widget(QtWidgets.QDoubleSpinBox , 'sb33'                    )
        self.line_logic_5v  = self.find_widget(QtWidgets.QDoubleSpinBox , 'sb5V'                    )
        self.line_24_1v     = self.find_widget(QtWidgets.QDoubleSpinBox , 'sb24V_1'                 )
        self.line_24_2v     = self.find_widget(QtWidgets.QDoubleSpinBox , 'sb24V_2'                 )
        self.fpga_vcc       = self.find_widget(QtWidgets.QDoubleSpinBox , 'sbVCC'                   )
        self.fpga_vaux      = self.find_widget(QtWidgets.QDoubleSpinBox , 'sbVAUX'                  )
        self.fpga_vpvn      = self.find_widget(QtWidgets.QDoubleSpinBox , 'sbVPVN'                  )


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


    @Slot()
    def _init_widgets(self):
        """
        initializes the widgets' properties
        :return: none
        """
        self.line_1_2      .setValue(0)
        self.line_3_3v     .setValue(0)
        self.line_logic_5v .setValue(0)
        self.line_24_1v    .setValue(0)
        self.line_24_2v    .setValue(0)
        self.fpga_vcc      .setValue(0)
        self.fpga_vaux     .setValue(0)
        self.fpga_vpvn     .setValue(0)


    @Slot()
    def do_voltage_data(self):
        """
        the slot for voltage data change
        :return: none
        """
        self.td_interface.td_voltage(
                    self.line_1_2      .value(),
                    self.line_3_3v     .value(),
                    self.line_logic_5v .value(),
                    self.line_24_1v    .value(),
                    self.line_24_2v    .value(),
                    self.fpga_vcc      .value(),
                    self.fpga_vaux     .value(),
                    self.fpga_vpvn     .value())