"""
    The HD Op Mode ui loader
"""
# Python
import os
# Qt
from PySide2 import QtCore, QtWidgets
from PySide2.QtCore import Slot
# parent
from simulator.dynamicloader import DynamicLoader
# hd Simulator
from dialin.ui.hd_simulator import HDSimulator
# plugin specific
from dialin.common.hd_defs import HDDefs
from dialin.common.hd_defs import HD_Standby_States


class Loader(DynamicLoader):
    """
    The HD Op Mode ui loader
    """
    tbReset: QtWidgets.QToolButton
    tbSend: QtWidgets.QToolButton
    tblSubMode: QtWidgets.QTableWidget
    tblFlushMode: QtWidgets.QTableWidget
    tblHeatMode: QtWidgets.QTableWidget
    tblChemicalMode: QtWidgets.QTableWidget

    def __init__(self, hd_simulator: HDSimulator):
        super().__init__(os.path.dirname(__file__), hd_simulator)

    def _init_loader(self):
        """
        finds and creates widgets
        :return: none
        """
        self.tbReset = self.find_tool_button('tbReset')
        self.tbSend = self.find_tool_button('tbSend')
        self.tblSubMode = self.find_table_widget('tblSubMode')
        self.tblFlushMode = self.find_table_widget('tblFlushMode')
        self.tblHeatMode = self.find_table_widget('tblHeatMode')
        self.tblChemicalMode = self.find_table_widget('tblChemicalMode')

    def _init_connections(self):
        """
        initializes the widgets connections
        :return: none
        """
        self.tbReset.clicked.connect(self._init_widgets)
        self.tbSend.clicked.connect(self.do_disinfect_states)
        self.tblSubMode.currentCellChanged.connect(self.do_disinfect_states)
        self.tblFlushMode.currentCellChanged.connect(self.do_disinfect_states)
        self.tblHeatMode.currentCellChanged.connect(self.do_disinfect_states)
        self.tblChemicalMode.currentCellChanged.connect(self.do_disinfect_states)

    @Slot()
    def _init_widgets(self):
        """
        initializes the widgets' properties
        :return: none
        """
        self.tblSubMode.setCurrentCell(0, 0)  # not defined in FwCommon yet
        self.tblFlushMode.setCurrentCell(0, 0)  # not defined in FwCommon yet
        self.tblHeatMode.setCurrentCell(HD_Standby_States.STANDBY_START_STATE.value, 0)
        self.tblChemicalMode.setCurrentCell(0, 0)  # not defined in FwCommon yet
        self.tblSubMode.horizontalHeaderItem(0).setTextAlignment(QtCore.Qt.AlignLeft)
        self.tblFlushMode.horizontalHeaderItem(0).setTextAlignment(QtCore.Qt.AlignLeft)
        self.tblHeatMode.horizontalHeaderItem(0).setTextAlignment(QtCore.Qt.AlignLeft)
        self.tblChemicalMode.horizontalHeaderItem(0).setTextAlignment(QtCore.Qt.AlignLeft)

    @Slot()
    def do_disinfect_states(self):
        """
        the slot for state change
        :return: none
        """
        sub_mode = int(self.tblSubMode.verticalHeaderItem(self.tblSubMode.currentRow()).text())
        flush_mode = 0  # int(self.tblFlushMode.verticalHeaderItem(self.tblFlushMode.currentRow()).text())
        heat_mode = int(self.tblHeatMode.verticalHeaderItem(self.tblHeatMode.currentRow()).text())
        chemical_mode = 0  # int(self.tblChemicalMode.verticalHeaderItem(self.tblChemicalMode.currentRow()).text())
        self.hd_simulator.cmd_send_dg_disinfection_state(
            sub_mode,
            flush_mode,
            heat_mode,
            chemical_mode
        )