"""Hush.py module for energy saving accounting
"""
import inspect
import os
import platform
import sys
import time

from qtpy.QtCore import __version__ as QT_VERSION_STR
from qtpy.QtCore import PYQT_VERSION_STR, Signal, Slot
from qtpy.QtWidgets import QApplication, QMessageBox

from apps4ops.bdbase.base import BaseWindow
from apps4ops.bdbase.enumkind import UserMode, Facility
from apps4ops.bdbase.helpbrowser import HelpBrowser
from apps4ops.hipa.sendeloghipa import QSendToELOG
from apps4ops.hipa.enumkind import ElogHIPA

from src.gui import AppGui
from pyrcc5 import hush_resources

_pymodule = os.path.basename(__file__)
_appname, _appext = _pymodule.split(".")
_appversion = "2.3.0"
# _title = """HIPA Power Usage & Saving Hierarchy""" #, HUSH!"""
_title = """HUSH!"""


def _line():
    """Macro to return the current line number.

    The current line number within the file is used when
    reporting messages to the message logging window.

    Returns:
        int: Current line number.
    """
    return inspect.currentframe().f_back.f_lineno


class StartMain(BaseWindow):
    ''' Main class for HUSH
    '''
    trigger_log_message = Signal(str, str, int, str, dict)

    def __init__(self, parent=None):
        #super(StartMain, self).__init__(
        #    parent=parent, pymodule=_pymodule, appversion=_appversion,
        #    title=_title, user_mode=UserMode.OPERATION, facility=Facility.HIPA,
        #    has_optics=False, has_procedure=False)
        super().__init__(
            parent=parent, pymodule=_pymodule, appversion=_appversion,
            title=_title, user_mode=UserMode.OPERATION, facility=Facility.HIPA,
            has_optics=False, has_procedure=False)
        self.appname = _appname
        self.elog_enum = ElogHIPA()
        self.gui = AppGui(self)

    def prepare_elog_message(self):

        self.projekt_idx = self.elog_enum.projekt.NONE
        self.system_idx = self.elog_enum.system.ELECTRICAL_SUPPLY
        self.eintrag_idx = self.elog_enum.eintrag.INFO
        self.ort_idx = self.elog_enum.ort.GLOBAL
        self.status_idx = self.elog_enum.status.NONE
        self.effekt_idx = self.elog_enum.effekt.NO

        self.attach_files = []

        simulation = self.input_parameters["simulation"]

        if self.all_data:
            if self.all_data["Input data"] is not None:
                try:
                    simulation = self.all_data["Input data"]["simulation"]
                except KeyError:
                    simulation = self.input_parameters["simulation"]
                    pass

        self.logbook = "Sandkasten" if simulation else "HIPA"
        self.title = _title

        sector = ["<br>IP2: ", "<br>IW2: ", "<br>PK1: ", "<br>PK2: ",
                  "<br>SNQ: ", "<br>UCN: ",
                  "<br>------------------<br>Tot: "]

        pvlist = ["ZIP2-HUSH:TOTSAVE", "ZIW2-HUSH:TOTSAVE", "ZPK1-HUSH:TOTSAVE",
                  "ZPK2-HUSH:TOTSAVE", "ZSINQ-HUSH:TOTSAVE",
                  "ZUCN-HUSH:TOTSAVE", "ZHIPA-HUSH:TOTSAVE"]

        value, stat, stat_list = self.cafe.getScalarList(
            pvlist, cacheFlag=True)

        if stat != self.cyca.ICAFE_NORMAL:
            self.check_status_list(_pymodule, "getScalarListCache",
                                   pvlist, stat_list, _line())

        message = ("Power saved for the current year stands at " +
                   "{:.3f} MWh:").format(value[-1])
        for label, val in zip(sector, value):
            message += label + "{:.3f}".format(val) + " MWh"

        self.message = message

    @Slot()
    def send_to_elog(self):

        @Slot()
        def save_fig_thread_finished():

            time.sleep(0.2)

            if self.all_data:
                QSendToELOG(self, logbook=self.logbook,
                            projektIdx=self.projekt_idx,
                            eintragIdx=self.eintrag_idx,
                            systemIdx=self.system_idx,
                            statusIdx=self.status_idx,
                            ordIdx=self.ort_idx,
                            effektIdx=self.effekt_idx,
                            title=self.title,
                            message=self.message,
                            attachFile=self.attach_files)

            time.sleep(1.0)

        # if not self.verify_send_to_elog():
        #    return

        self.prepare_elog_message()

        print(self.message, flush=True)

        if not self.all_data:
            QSendToELOG(self, logbook=self.logbook,
                        projektIdx=self.projekt_idx,
                        eintragIdx=self.eintrag_idx,
                        systemIdx=self.system_idx,
                        statusIdx=self.status_idx,
                        ortIdx=self.ort_idx,
                        effektIdx=self.effekt_idx,
                        title=self.title,
                        message=self.message,
                        attachFile=self.attach_files)
            return

        folder_name = self.elog_dest
        if not os.path.exists(folder_name):
            os.makedirs(folder_name)

        time_in_seconds = self.all_data["Ambient data"]["Time in seconds"]
        if self.all_data["Processed data"]["Reanalysis time"]:
            reanalysis_time = self.all_data["Processed data"][
                "Reanalysis time in seconds"]
        else:
            reanalysis_time = None

        self.folder_name = folder_name

        save_fig_thread = self.SaveFigureThread(
            self, self.folder_name, time_in_seconds, reanalysis_time)
        save_fig_thread.finished.connect(save_fig_thread_finished)

        save_fig_thread.start()
        time.sleep(0.05)

    @Slot()
    def closeEvent(self, event):

        if not self.verify_close_event():
            event.ignore()
            return

        BaseWindow.closeEvent(self, event)

    @Slot()
    def show_about(self):
        """ To overide by application
        """
        QApplication.processEvents()
        QMessageBox.about(
            self, "About",
            """<b>{0}</b> v {1}
            <p>Copyright &copy; Paul Scherrer Institut (PSI).
            All rights reserved.</p>
            <p>Author: J. Chrin, Spring 2023 </p>
            <p>(EPICS db adapted from A. Kovach, 2016) <p>
            <p>IOC Administrator: P. Fernandez (prev. H. Lutz) </p>
            <p>1st Responsible: A. Barchetti, Tel. 4779
            or 3301 (Control Room)  </p>

            <p>Initiates energy saving procedures and records power saved</p>
            <p>Python {2} - Qt {3} - PyQt {4} <br>
            cafe {5} - epics {6} on {7}""".format(
                _pymodule, _appversion, platform.python_version(),
                QT_VERSION_STR, PYQT_VERSION_STR,
                self.cafe.CAFE_version(), self.cafe.EPICS_version(),
                platform.system()))
        QApplication.processEvents()

    @Slot()
    def show_help(self):
        """ Invoke help pages from hush_resources
        """
        index_html = "index.html"  # self.appname + "/index.html"
        help_base = ":"  # + self.appname
        help_page = HelpBrowser(help_base, index_html, self)
        help_page.show()


#########################################################################
if __name__ == "__main__":

    app = QApplication(sys.argv)
    splash = BaseWindow.initialize_application(
        app, appname=_appname, delay=25, facility=Facility.HIPA)

    myapp = StartMain()

    myapp.show()

    if splash is not None:
        splash.finish(myapp)

    app.exec_()