# Toolbar Tools - Falkon plugin
# Copyright (C) 2019  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 Falkon
import os
from PySide6 import QtCore
from toolbartools.Config import Config
from toolbartools.Spacer import Spacer
from toolbartools.Separator import Separator
from toolbartools.settingsDialog import SettingsDialog


class ToolbarTools(Falkon.PluginInterface, QtCore.QObject):
    spacers = None
    separators = None
    config = None

    def init(self, state, settingsPath):
        self.spacers = {}
        self.separators = {}

        self.config = Config()
        self.config.settingsFile = os.path.join(settingsPath, "ToolbarTools", "settings.ini")
        self.config.load()

        self.config.spacerCountChanged.connect(self.onSpacerCountChanged)
        self.config.separatorCountChanged.connect(self.onSeparatorCountChanged)

        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):
        self.config.save()

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

    def testPlugin(self):
        return True

    def showSettings(self, parent):
        settings = SettingsDialog(self.config, parent)
        settings.exec_()

    def addSpacer(self, window, id):
        spacer = Spacer(id, self.config.spacerMaxWidth)
        self.config.spacerMaxWidthChanged.connect(spacer.setMaximumWidth)
        window.navigationBar().addWidget(spacer, spacer.id(), spacer.name())

        if window not in self.spacers:
            self.spacers[window] = {}
        if id not in self.spacers[window]:
            self.spacers[window][id] = spacer

    def addSeparator(self, window, id):
        separator = Separator(id, self.config.separatorWidth)
        self.config.separatorWidthChanged.connect(separator.setMinimumWidth)
        window.navigationBar().addWidget(separator, separator.id(), separator.name())

        if window not in self.separators:
            self.separators[window] = {}
        if id not in self.separators[window]:
            self.separators[window][id] = separator

    def onSpacerCountChanged(self, count):
        count = count + 1

        for window in Falkon.MainApplication.instance().windows():
            if window in self.spacers:
                lenght = len(self.spacers[window]) + 1

                if count > lenght:
                    for id in range(lenght, count):
                        self.addSpacer(window, id)
                elif count < lenght:
                    for id in range(count, lenght):
                        if id in self.spacers[window]:
                            window.navigationBar().removeWidget(self.spacers[window][id].id())
                            del self.spacers[window][id]

    def onSeparatorCountChanged(self, count):
        count = count + 1

        for window in Falkon.MainApplication.instance().windows():
            if window in self.separators:
                lenght = len(self.separators[window]) + 1

                if count > lenght:
                    for id in range(lenght, count):
                        self.addSeparator(window, id)
                elif count < lenght:
                    for id in range(count, lenght):
                        if id in self.separators[window]:
                            window.navigationBar().removeWidget(self.separators[window][id].id())
                            del self.separators[window][id]

    def onMainWindowCreated(self, window):
        for id in range(1, self.config.spacerCount + 1):
            self.addSpacer(window, id)

        for id in range(1, self.config.separatorCount + 1):
            self.addSeparator(window, id)

    def mainWindowDeleted(self, window):
        if window in self.spacers:
            for id, spacer in list(self.spacers[window].items()):
                window.navigationBar().removeWidget(spacer.id())
                del self.spacers[window][id]
            del self.spacers[window]

        if window in self.separators:
            for id, separator in list(self.separators[window].items()):
                window.navigationBar().removeWidget(separator.id())
                del self.separators[window][id]
            del self.separators[window]


Falkon.registerPlugin(ToolbarTools())