# -*- coding: utf-8 -*-
"""
/***************************************************************************
 Plugin
                                 A QGIS plugin
 This plugin connects to the NDFF api
 Generated by Plugin Builder: http://g-sherman.github.io/Qgis-Plugin-Builder/
                              -------------------
        begin                : 2021-12-20
        git sha              : $Format:%H$
        copyright            : (C) 2021 by Zuidt
        email                : richard@zuidt.nl
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   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.                                   *
 *                                                                         *
 ***************************************************************************/
"""
import logging
from pathlib import Path

from qgis.PyQt.QtCore import (
    QCoreApplication,
    QSettings,
    Qt,
    QUrl,
)
from qgis.PyQt.QtGui import (
    QDesktopServices,
    QIcon,
)
from qgis.PyQt.QtWidgets import (
    QAction,
    QDialog,
)

from .ext.ndff.exceptions import NdffLibError
from .ndffc_plugin_dialog import PluginMainDialog

log = logging.getLogger(__name__)

DEV = False  # development mode: try to import pydevd, and make dialog NON-modal
if DEV:
    # show all logging!
    logging.getLogger('ndff_connector_plugin').setLevel(logging.DEBUG)
    logging.getLogger('ndff_connector_plugin.ext.ndff.api').setLevel(logging.DEBUG)
    logging.getLogger('ndff_connector_plugin.ext.ndff.connector').setLevel(logging.DEBUG)
    try:
        import pydevd
        pydevd.settrace('localhost', port=5678, stdoutToServer=True, stderrToServer=True, suspend=False)
    except Exception as e:
        log.debug('In DEV modus, but failing to load pydevd or getting a connection... (can be ignored)')


class NdffConnectorPlugin:
    """
    This is a QGIS Plugin Class, see:
    https://docs.qgis.org/testing/en/docs/pyqgis_developer_cookbook/plugins/index.html

    This class creates a PluginMainDialog in which users can load data from QGIS layers and sent them, after
    mapping fields and/or data, to the NDFF REST API.

    You need valid NDFF credentials to work with this plugin.

    See https://serviceteam.ndff.nl/hc/nl/articles/9810827803805-Leveren-van-natuurdata-met-behulp-van-de-NDFF-connector-plugin-
    """

    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
        # initialize plugin directory
        self.plugin_dir = Path(__file__).parent
        # Declare instance attributes
        self.actions = []
        self.menu = 'NDFF Connector Plugin'
        self.toolbar = None
        # 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
        # handle to the actual main dialog
        self.main_dlg = 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('Plugin', 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 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:
            self.toolbar.addAction(action)

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

        self.actions.append(action)

        return action

    # ruff: noqa: N802
    def initGui(self):  # NOSONAR
        """
        QGIS api method.
        initGui is the method called by QGIS, after the initialisation of the plugin itself,
        to initialize the GUI of the plugin.
        """
        # Create the menu entries and toolbar icons inside the QGIS GUI
        self.toolbar = self.iface.addToolBar(self.menu)
        self.toolbar.setObjectName(self.menu)
        self.toolbar.setToolTip(self.menu)

        icon_path = str(self.plugin_dir / 'ndff_48x48.png')
        self.add_action(
            icon_path,
            text='NDFF Connector Dialoog',
            callback=self.run,
            parent=self.iface.mainWindow())
        icon_path = str(self.plugin_dir / 'ndff_48x48_docs.png')
        self.add_action(
            icon_path,
            text=self.tr(u'Documentatie'),
            callback=self.show_help,
            parent=self.iface.mainWindow())
        # will be set False in run()
        self.first_start = True

    @staticmethod
    def show_help():
        """
        Show the (Zendesk) help in user's default browser
        """
        doc_index = 'https://ndff.zendesk.com/hc/nl/articles/9810827803805-Leveren-van-natuurdata-met-behulp-van-de-NDFF-connector-plugin-'
        QDesktopServices().openUrl(QUrl(doc_index))

    def unload(self):
        """qq
        QGIS api method.
        Called by QGIS when the user disables or unload the plugin.
        Removes the plugin menu item and icon from QGIS GUI.
        So it is also needed when reloading the plugin: remove/delete all visible plugin widgets.
        """
        if self.main_dlg:
            self.main_dlg.done(QDialog.Rejected)  # Close the dialog if unloading
        for action in self.actions:
            self.iface.removePluginMenu(
                self.menu,
                action)
            self.toolbar.removeAction(action)
        del self.toolbar

    def run(self):
        """
        Actual starting point of the plugin.
        In this case it's actually just loading a PluginMainDialog instance, in which the user performs all the work
        """
        if self.main_dlg is None:
            self.main_dlg = PluginMainDialog(self.iface, parent=self.iface.mainWindow())
        # either in DEV mode, OR set by user, set modality to FALSE
        if DEV or QSettings().value("/ndffc_plugin/main_window_modality", False):
            log.debug(f'Set MODALITY of main window to FALSE, DEV = {DEV}, QSettings main_window_modality = {QSettings().value("/ndffc_plugin/main_window_modality", False)}')
            self.main_dlg.setModal(False)
        else:
            log.debug('Set MODALITY of main window to TRUE')
            self.main_dlg.setModal(True)
            self.main_dlg.setWindowModality(Qt.ApplicationModal)  # https://doc.qt.io/qt-5/qt.html#WindowModality-enum
        self.main_dlg.show_dialog()
