# ============================================================
# Tab Counter - plugin for Falkon
# Copyright (C) 2020 Juraj Oravec <sgd.orava@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 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.
# ============================================================


import os
import Falkon
from PySide2 import QtCore

from tabcounter.label import Label
from tabcounter.config import Config
from tabcounter.constants import DISPLAY_TYPE


class tabCounter(Falkon.PluginInterface, QtCore.QObject):
    panelWidgets = {}
    config = None

    def init(self, state, settingsPath):
        self.config = Config(
            settingsFile=os.path.join(settingsPath, "tabcounter", "settings.ini"),
            displayType=DISPLAY_TYPE.LOADED_AND_ALL
        )
        self.config.load()

        plugins = Falkon.MainApplication.instance().plugins()

        plugins.mainWindowCreated.connect(self.onMainWindowCreated)
        plugins.mainWindowDeleted.connect(self.mainWindowDeleted)

        if state == Falkon.PluginInterface.LateInitState:
            for window in Falkon.MainApplication.instance().windows():
                self.onMainWindowCreated(window)

    def unload(self):
        for window in Falkon.MainApplication.instance().windows():
            self.mainWindowDeleted(window)

    def testPlugin(self):
        return True

    def onMainWindowCreated(self, window):
        labelWidget = Label(window, self.config.displayType)
        self.config.displayTypeChanged.connect(labelWidget.displayTypeChanged)

        window.navigationBar().addWidget(labelWidget, labelWidget.id(), labelWidget.name())
        self.panelWidgets[window] = labelWidget

    def mainWindowDeleted(self, window):
        if window not in self.panelWidgets:
            return

        labelWidget = self.panelWidgets[window]
        window.navigationBar().removeWidget(labelWidget.id())
        del self.panelWidgets[window]


Falkon.registerPlugin(tabCounter())