# -*- coding: utf-8 -*-
"""
/***************************************************************************
 PandapipesForQGIS
                                 A QGIS plugin
 A pipe network modelling tool that can abstract models from GIS layers.
 Generated by Plugin Builder: http://g-sherman.github.io/Qgis-Plugin-Builder/
                              -------------------
        begin                : 2026-02-14
        git sha              : $Format:%H$
        copyright            : (C) 2026 by Thomas Raj
        email                : lemungineer@gmail.com
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 2 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/
"""
from qgis.PyQt.QtCore import QSettings, QTranslator, QCoreApplication, Qt
from qgis.PyQt.QtGui import QIcon
from qgis.PyQt.QtWidgets import QAction, QMessageBox
from qgis.core import QgsProcessingAlgorithm, QgsApplication

# Initialize Qt resources from file resources.py
from .resources import *
# Import the code for the dialog

try:
    from .modules.pandapower.pandapower_for_qgis_provider import PandaPowerForQGISProvider
    from .modules.pandapower.power_network_component_creator.power_network_component_dialog import PowerComponentDialog
    pandapower_avail = True

except:
    pandapower_avail = False
from .providers.pandapipes_for_qgis_provider import PandaPipesForQGISProvider
try:
    from .ui.network_component_creator.network_component_dialog import ComponentDialog
    from .providers.pandapipes_for_qgis_provider import PandaPipesForQGISProvider
    from .ui.fluids_browser.fluids_dialog import FluidsDialog
    fluids_avail = True
    
except:
    fluids_avail = False

from .ui.style_applicator.style_applicator_dockwidget import StyleApplicatorDockWidget


try:
    from .ui.assembly_manager.assembly_manager_dialog import AssemblyManagerDialog
    mto_avail = True

except:
    mto_avail = False

from .providers.network_cleanup_provider import NetworkCleanupProvider
from .providers.material_takeoff_provider import materialTakeOffProvider

import os.path

class PipelineEngineer:
    """QGIS Plugin Implementation."""

    def __init__(self, iface):
        self.iface = iface
        """Constructor.

        :param iface: An interface instance that will be passed to this class
            which provides the hook by which you can manipulate the QGIS
            application at run time.
        :type iface: QgsInterface
        """
        # Adding Provider
        if fluids_avail:
            self.provider = PandaPipesForQGISProvider()
            self.fluid_dlg = FluidsDialog()
            self.network_dlg = ComponentDialog()
            
        
        if pandapower_avail:
            self.provider = PandaPowerForQGISProvider()
            
        
        self.net_provider = NetworkCleanupProvider()
        
        if mto_avail:
            self.mto_provider = materialTakeOffProvider()
            self.assy_dlg = AssemblyManagerDialog()
        
        self.style_dw = StyleApplicatorDockWidget()
        
        # Save reference to the QGIS interface
        self.iface = iface
        # initialize plugin directory
        self.plugin_dir = os.path.dirname(__file__)
        # initialize locale
        locale = QSettings().value('locale/userLocale')[0:2]
        locale_path = os.path.join(
            self.plugin_dir,
            'i18n',
            'PipelineEngineer_{}.qm'.format(locale))

        if os.path.exists(locale_path):
            self.translator = QTranslator()
            self.translator.load(locale_path)
            QCoreApplication.installTranslator(self.translator)

        self.pluginIsActive = False
        self.dockwidget = None

        # Declare instance attributes
        self.actions = []
        self.menu = self.tr(u'&Pipeline Engineer')

        # Check if plugin was started the first time in current QGIS session
        # Must be set in initGui() to survive plugin reloads
        self.first_start = None

    # noinspection PyMethodMayBeStatic
    def tr(self, message):
        """Get the translation for a string using Qt translation API.

        We implement this ourselves since we do not inherit QObject.

        :param message: String for translation.
        :type message: str, QString

        :returns: Translated version of message.
        :rtype: QString
        """
        # noinspection PyTypeChecker,PyArgumentList,PyCallByClass
        return QCoreApplication.translate('PipelineEngineer', message)


    def add_action(
        self,
        icon_path,
        text,
        callback,
        enabled_flag=True,
        add_to_menu=True,
        add_to_toolbar=True,
        status_tip=None,
        whats_this=None,
        parent=None):
        """Add a toolbar icon to the toolbar.

        :param icon_path: Path to the icon for this action. Can be a resource
            path (e.g. ':/plugins/foo/bar.png') or a normal file system path.
        :type icon_path: str

        :param text: Text that should be shown in menu items for this action.
        :type text: str

        :param callback: Function to be called when the action is triggered.
        :type callback: function

        :param enabled_flag: A flag indicating if the action should be enabled
            by default. Defaults to True.
        :type enabled_flag: bool

        :param add_to_menu: Flag indicating whether the action should also
            be added to the menu. Defaults to True.
        :type add_to_menu: bool

        :param add_to_toolbar: Flag indicating whether the action should also
            be added to the toolbar. Defaults to True.
        :type add_to_toolbar: bool

        :param status_tip: Optional text to show in a popup when mouse pointer
            hovers over the action.
        :type status_tip: str

        :param parent: Parent widget for the new action. Defaults None.
        :type parent: QWidget

        :param whats_this: Optional text to show in the status bar when the
            mouse pointer hovers over the action.

        :returns: The action that was created. Note that the action is also
            added to self.actions list.
        :rtype: QAction
        """

        icon = QIcon(icon_path)
        action = QAction(icon, text, parent)
        action.triggered.connect(callback)
        action.setEnabled(enabled_flag)

        if status_tip is not None:
            action.setStatusTip(status_tip)

        if whats_this is not None:
            action.setWhatsThis(whats_this)

        if add_to_toolbar:
            # Adds plugin icon to Plugins toolbar
            self.iface.addToolBarIcon(action)

        if add_to_menu:
            self.iface.addPluginToMenu(
                self.menu,
                action)

        self.actions.append(action)

        return action

    def initProcessing(self):
        """Init Processing provider for QGIS >= 3.8."""
        if fluids_avail:
            self.provider = PandaPipesForQGISProvider()
            QgsApplication.processingRegistry().addProvider(self.provider)
        
        if pandapower_avail:
            self.power_provider = PandaPowerForQGISProvider()
            QgsApplication.processingRegistry().addProvider(self.power_provider)
        
        QgsApplication.processingRegistry().addProvider(self.net_provider)
        QgsApplication.processingRegistry().addProvider(self.mto_provider)
        
    def initGui(self):
        self.initProcessing()
        """Create the menu entries and toolbar icons inside the QGIS GUI."""

        script_dir = os.path.dirname(os.path.abspath(__file__))
        pp_icon_path = os.path.join(script_dir,'icons','pandapipes.png')
        ppower_icon_path = os.path.join(script_dir,'modules','pandapower','icons','pandapower.png')
        style_icon_path = os.path.join(script_dir,'icons','style.png')
        mto_icon_path = os.path.join(script_dir,'icons','mto_builder.png')
        fluids_icon_path = os.path.join(script_dir,'icons','fluids.png')

        if fluids_avail:
            self.add_action(
                pp_icon_path,
                text=self.tr(u'Create Network Component'),
                callback=self.run_component,
                parent=self.iface.mainWindow())
                
            self.add_action(
                fluids_icon_path,
                text=self.tr(u'Fluids Browser'),
                callback=self.run_fluids,
                parent=self.iface.mainWindow())

        if pandapower_avail:
            self.add_action(
                ppower_icon_path,
                text=self.tr(u'Create Pandapower Component'),
                callback=self.run_power_component,
                parent=self.iface.mainWindow())
                
        if mto_avail:
            self.add_action(
                mto_icon_path,
                text=self.tr(u'Assembly Manager'),
                callback=self.run_assembly_manager,
                parent=self.iface.mainWindow())
            
        self.add_action(
            style_icon_path,
            text=self.tr(u'Style Applicator'),
            callback=self.run_style_applicator,
            parent=self.iface.mainWindow())
        
        # will be set False in run()
        self.first_start = True

    def onClosePlugin(self):
        """Cleanup necessary items here when plugin dockwidget is closed"""

        #print "** CLOSING MTOBuilder"

        # disconnects
        self.dockwidget.closingPlugin.disconnect(self.onClosePlugin)

        # remove this statement if dockwidget is to remain
        # for reuse if plugin is reopened
        # Commented next statement since it causes QGIS crashe
        # when closing the docked self:
        # self.dockwidget = None

        self.pluginIsActive = False

    def unload(self):
        """Removes the plugin menu item and icon from QGIS GUI."""
        
        if fluids_avail:
            QgsApplication.processingRegistry().removeProvider(self.provider)
        
        if pandapower_avail:
            QgsApplication.processingRegistry().removeProvider(self.power_provider)
        
        QgsApplication.processingRegistry().removeProvider(self.net_provider)
        
        if mto_avail:
            QgsApplication.processingRegistry().removeProvider(self.mto_provider)
        
        for action in self.actions:
            self.iface.removePluginMenu(
                self.tr(u'&Pipeline Engineer'),
                action)
            self.iface.removeToolBarIcon(action)

    def run_assembly_manager(self):
        """Run method that performs all the real work"""

        # Create the dialog with elements (after translation) and keep reference
        # Only create GUI ONCE in callback, so that it will only load when the plugin is started
        if self.first_start == True:
            self.first_start = False
            self.assy_dlg = AssemblyManagerDialog()

        # show the dialog
        self.assy_dlg.show()
        # Run the dialog event loop
        result = self.assy_dlg.exec_()
        # See if OK was pressed
        if result:
            # Do something useful here - delete the line containing pass and
            # substitute with your code.
            pass



    def run_component(self):
        """Run method that performs all the real work"""

        # Create the dialog with elements (after translation) and keep reference
        # Only create GUI ONCE in callback, so that it will only load when the plugin is started
        if self.first_start == True:
            self.first_start = False
            self.network_dlg = ComponentDialog()

        # show the dialog
        self.network_dlg.show()
        # Run the dialog event loop
        result = self.network_dlg.exec_()
        # See if OK was pressed
        if result:
            # Do something useful here - delete the line containing pass and
            # substitute with your code.
            pass

    def run_power_component(self):
        """Run method that performs all the real work"""
        
        self.power_dlg = PowerComponentDialog()
        # Create the dialog with elements (after translation) and keep reference
        # Only create GUI ONCE in callback, so that it will only load when the plugin is started
        if self.first_start == True:
            self.first_start = False
            

        # show the dialog
        self.power_dlg.show()
        # Run the dialog event loop
        result = self.power_dlg.exec_()
        # See if OK was pressed
        if result:
            # Do something useful here - delete the line containing pass and
            # substitute with your code.
            pass

    def run_fluids(self):
        """Run method that performs all the real work"""

        # Create the dialog with elements (after translation) and keep reference
        # Only create GUI ONCE in callback, so that it will only load when the plugin is started
        if self.first_start == True:
            self.first_start = False
            self.fluid_dlg = FluidsDialog()

        # show the dialog
        self.fluid_dlg.show()
        # Run the dialog event loop
        result = self.fluid_dlg.exec_()
        # See if OK was pressed
        if result:
            # Do something useful here - delete the line containing pass and
            # substitute with your code.
            pass
    
    def run_style_applicator(self):

        if not self.pluginIsActive:
            self.pluginIsActive = True

            #print "** STARTING MaterialTakeOffBuilder"

            # dockwidget may not exist if:
            #    first run of plugin
            #    removed on close (see self.onClosePlugin method)
            if self.dockwidget == None:
                # Create the dockwidget (after translation) and keep reference
                self.dockwidget = StyleApplicatorDockWidget()

            # connect to provide cleanup on closing of dockwidget
            self.dockwidget.closingPlugin.connect(self.onClosePlugin)

            # show the dockwidget
            # TODO: fix to allow choice of dock location
            self.iface.addDockWidget(Qt.RightDockWidgetArea, self.dockwidget)
            self.dockwidget.show()