# -*- coding: utf-8 -*-

"""
/***************************************************************************
 DeepLearningTools
                                 A QGIS plugin
 QGIS plugin to aid training Deep Learning Models
 Generated by Plugin Builder: http://g-sherman.github.io/Qgis-Plugin-Builder/
                              -------------------
        begin                : 2020-03-12
        copyright            : (C) 2020 by Philipe Borba
        email                : philipeborba@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.                                   *
 *                                                                         *
 ***************************************************************************/
"""

__author__ = 'Philipe Borba'
__date__ = '2020-03-12'
__copyright__ = '(C) 2020 by Philipe Borba'

# This will get replaced with a git SHA1 when you do a git archive

__revision__ = '$Format:%H$'

import os
import sys
import inspect

from qgis.core import QgsProcessingAlgorithm, QgsApplication
from qgis.PyQt.QtCore import QSettings, qVersion, QCoreApplication, QTranslator, Qt
from qgis.PyQt.QtGui import QIcon
from qgis.PyQt.QtWidgets import QToolButton, QMenu, QAction
from .deep_learning_tools_provider import DeepLearningToolsProvider
from DeepLearningTools.gui.dataset_viewer_toolbar.viewer_toolbar import \
    ViewerToolbar

from . import resources
from . import resources_rc

current_path = os.path.dirname(__file__)
sys.path.append(os.path.abspath(current_path))

cmd_folder = os.path.split(inspect.getfile(inspect.currentframe()))[0]

if cmd_folder not in sys.path:
    sys.path.insert(0, cmd_folder)

try:
    import ptvsd
    ptvsd.enable_attach(address = ('localhost', 5677))
except Exception as e:
    pass
class DeepLearningTools(object):

    def __init__(self, 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
        """
        # Save reference to the QGIS interface
        self.iface = iface
        self.provider = None
        # 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',
            'DeepLearningTools_{}.qm'.format(locale))

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

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

        # 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
        self.widgetList = []

    # 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('DeepLearningTools', 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."""
        self.provider = DeepLearningToolsProvider()
        QgsApplication.processingRegistry().addProvider(self.provider)

    def initGui(self):
        self.initProcessing()
        self.toolbar = self.iface.addToolBar(u'DeepLearningTools')
        self.toolbar.setObjectName(u'DeepLearningTools')
        self.viewer = ViewerToolbar(self.iface)
        self.widgetList.append(self.viewer)
        self.toolbar.addWidget(self.viewer)

    def unload(self):
        QgsApplication.processingRegistry().removeProvider(self.provider)
        self.iface.mainWindow().removeToolBar(self.toolbar)
        # for action in self.actions:
        #     self.iface.removePluginMenu(
        #         self.tr(u'&DeepLearningTools'),
        #         action)
        #     self.iface.removeToolBarIcon(action)
        for widget in self.widgetList:
            widget.unload()
        del self.toolbar
