"""
    TD  Prime UI loader
"""
# Python
import os
import can
import struct

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

# parent
from engine.dynamicloader   import DynamicLoader

# plugin specific
from leahi_dialin.common.msg_defs import MsgIds, MsgFieldPositions
from leahi_dialin.protocols       import CAN
from leahi_dialin.utils           import conversions

# td simulator
from leahi_dialin.ui.td_messaging import TD_Messaging

class Loader(DynamicLoader):
    """
    TD Prime UI loader
    """
    def __init__(self):
        self.td_interface = TD_Messaging()
        self.can_interface = self.td_interface.can_interface
        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.sbState            = self.find_widget(QtWidgets.QSpinBox       , 'sbState'             )
        self.slTotal            = self.find_widget(QtWidgets.QSlider        , 'slTotal'             )
        self.lbTotal            = self.find_widget(QtWidgets.QLabel         , 'lbTotal'             )
        self.slCountdown        = self.find_widget(QtWidgets.QSlider        , 'slCountdown'         )
        self.lbCountdown        = self.find_widget(QtWidgets.QLabel         , 'lbCountdown'         )
        self.slPauseCountdown   = self.find_widget(QtWidgets.QSlider        , 'slPauseCountdown'    )
        self.lbPauseCountdown   = self.find_widget(QtWidgets.QLabel         , 'lbPauseCountdown'    )


    def _init_connections(self):
        """
        initializes the widget's connections
        :return: none
        """
        self.tbSend                     .clicked.connect        (   self.do_prime_data                                      )
        self.slTotal                    .valueChanged.connect   (   self.do_prime_data                                      )
        self.slTotal                    .valueChanged.connect   (   lambda value: self.lbTotal.setText(f"{value}")          )
        self.slCountdown                .valueChanged.connect   (   self.do_prime_data                                      )
        self.slCountdown                .valueChanged.connect   (   lambda value: self.lbCountdown.setText(f"{value}")      )
        self.slPauseCountdown           .valueChanged.connect   (   self.do_prime_data                                      )
        self.slPauseCountdown           .valueChanged.connect   (   lambda value: self.lbPauseCountdown.setText(f"{value}") )
        self.sbState                    .valueChanged.connect   (   self.do_prime_data                                      )
       

    @Slot()
    def _init_widgets(self):
        """
        initializes the widget's properties
        :return: none
        """
        self.sbState                    .setValue   (   0       )
        self.slTotal                    .setValue   (   0       )
        self.slCountdown                .setValue   (   0       )
        self.slPauseCountdown           .setValue   (   0       )


    @Slot()
    def do_prime_data(self):
        """
        the slot for sending prime progress data
        :return: none
        """
        self.td_interface.td_prime_data(
            self.sbState            .value(),
            self.slTotal            .value(),
            self.slCountdown        .value(),
            self.slPauseCountdown   .value()
        )