#! /usr/bin/python3
# -*- coding: utf-8 -*-

##############################################################################
# Copyright 2020 AlexPDev
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
##############################################################################
"""Module for the menu bar."""

import os
import webbrowser
from pathlib import Path

import pyben
from PyQt6.QtGui import QAction
from PyQt6.QtWidgets import QFileDialog, QMenu, QMenuBar

from .qss import menuSheet


class Menu(QMenu):
    """Menu item for MenuBar widget."""

    def __init__(self, text, parent=None):
        """Constructor for Menu Widget."""
        super().__init__(text, parent=parent)
        self.menubar = parent
        self.txt = text
        font = self.font()
        self.setObjectName(text)
        font.setPointSize(12)
        self.setFont(font)


class MenuBar(QMenuBar):
    """Main menu bar for top level menu of program."""

    def __init__(self, parent=None):
        """Constructor for top level widgets."""
        super().__init__(parent=parent)
        self.window = parent
        self.setStyleSheet(menuSheet)
        self.file_menu = Menu("File")
        self.help_menu = Menu("Help")
        self.addMenu(self.file_menu)
        self.addMenu(self.help_menu)
        self.actionExport = QAction(self.window)
        self.actionExit = QAction(self.window)
        self.actionAbout = QAction(self.window)
        self.actionDocs = QAction(self.window)
        self.actionRepo = QAction(self.window)
        self.actionRepo.setText("Github Repository")
        self.actionExit.setText("Exit")
        self.actionAbout.setText("About")
        self.actionDocs.setText("Documentation")
        self.actionExport.setText("Save to")
        self.file_menu.addAction(self.actionExit)
        self.file_menu.addAction(self.actionExport)
        self.help_menu.addAction(self.actionAbout)
        self.help_menu.addAction(self.actionDocs)
        self.help_menu.addAction(self.actionRepo)
        self.actionExit.triggered.connect(self.exit_app)
        self.actionAbout.triggered.connect(self.about_qt)
        self.actionExport.triggered.connect(self.export)
        self.actionDocs.triggered.connect(documentation)
        self.actionRepo.triggered.connect(repository)
        self.actionDocs.setObjectName("actionDocs")
        self.actionExit.setObjectName("actionExit")
        self.actionAbout.setObjectName("actionAbout")
        self.actionExport.setObjectName("actionExport")

    def export(self, path=None):
        """Export data from info widget to file."""
        home = str(Path.home())
        if path:
            filename = path
        else:
            filename = QFileDialog.getSaveFileName(
                caption="Save location:", directory=home
            )
        if os.path.exists(os.path.dirname(filename)):
            widget = self.window.central.infoWidget
            path = widget.pathEdit.text()
            if os.path.exists(path):
                data = pyben.load(path)
                with open(filename, "wt") as fd:
                    fd.write(str(data))

    def about_qt(self):
        """Open the about qt menu."""
        self.window.app.aboutQt()  # pragma: nocover

    def exit_app(self):
        """Close application."""
        self.parent().app.quit()  # pragma: nocover


def documentation():
    """Open webbrowser to TorrentFileQt documentation."""
    webbrowser.open_new_tab("https://alexpdev.github.io/torrentfile")


def repository():
    """Open webbrowser to GitHub Repo."""
    webbrowser.open_new_tab("https://github.com/alexpdev/torrentfileQt")
