#-*- coding:utf-8 -*-
#
# Copyright (C) 2018 sthoo <sth201807@gmail.com>
#
# Support: Report an issue at https://github.com/sth2018/FastWordQuery/issues
#
# 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
# any later version; http://www.gnu.org/copyleft/gpl.html.
#
# 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/>.

from aqt import mw
from aqt.qt import *
from anki.hooks import addHook, wrap
from aqt.addcards import AddCards
from aqt.utils import showInfo, shortcut, downArrow
from .gui import show_options, show_about_dialog, check_updates
from .query import query_from_browser, query_from_editor_fields
from .context import config, APP_ICON
from .lang import _


__all__ = [
    'browser_menu', 'customize_addcards', 
    'config_menu', 'check_updates', 'context_menu'
]


have_setup = False
my_shortcut = ''


def browser_menu():
    """
    add add-on's menu to browser window
    """
    def on_setup_menus(browser):
        """
        on browser setupMenus was called
        """
        # main menu
        menu = QMenu("FastWQ", browser.form.menubar)
        browser.form.menubar.addMenu(menu)
        # Query Selected
        action = QAction(_('QUERY_SELECTED'), browser)
        action.triggered.connect(lambda: query_from_browser(browser))
        action.setShortcut(QKeySequence(my_shortcut))
        menu.addAction(action)
        # Options
        action = QAction(_('OPTIONS'), browser)
        def _show_options():
            model_id = -1
            for note_id in browser.selectedNotes():
                note = browser.mw.col.getNote(note_id)
                model_id = note.model()['id']
                break
            show_options(browser, model_id)
        action.triggered.connect(_show_options)
        menu.addAction(action)
        # About
        action = QAction(_('ABOUT'), browser)
        action.triggered.connect(lambda: show_about_dialog(browser))
        menu.addAction(action)

    addHook('browser.setupMenus', on_setup_menus)


def customize_addcards():
    """
    add button to addcards window
    """
    def add_query_button(self):
        '''
        add a button in add card window
        '''
        bb = self.form.buttonBox
        ar = QDialogButtonBox.ActionRole
        # button
        fastwqBtn = QPushButton(_("QUERY") + u" " + downArrow())
        fastwqBtn.setShortcut(QKeySequence(my_shortcut))
        fastwqBtn.setToolTip(
            _(u"Shortcut: %s") % shortcut(my_shortcut)
        )
        bb.addButton(fastwqBtn, ar)
        # signal
        def onQuery(e):
            if isinstance(e, QMouseEvent):
                if e.buttons() & Qt.LeftButton:
                    menu = QMenu(self)
                    menu.addAction(_("QUERY"), lambda: query_from_editor_fields(self.editor), QKeySequence(my_shortcut))
                    menu.addAction(_("OPTIONS"), lambda: show_options(self, self.editor.note.model()['id']))
                    menu.exec_(fastwqBtn.mapToGlobal(QPoint(0, fastwqBtn.height())))
            else:
                query_from_editor_fields(self.editor)

        fastwqBtn.mousePressEvent = onQuery
        fastwqBtn.clicked.connect(onQuery)
    
    AddCards.setupButtons = wrap(
        AddCards.setupButtons, 
        add_query_button, 
        "after"
    )


def config_menu():
    """
    add menu to anki window menebar
    """
    action = QAction(APP_ICON, "FastWQ...", mw)
    action.triggered.connect(lambda: show_options())
    mw.form.menuTools.addAction(action)


def context_menu():
    '''mouse right click menu'''
    def on_setup_menus(web_view, menu):
        """
        add context menu to webview
        """
        submenu = menu.addMenu('FastWQ')
        submenu.addAction(_('ALL_FIELDS'), lambda: query_from_editor_fields(web_view.editor), QKeySequence(my_shortcut))
        submenu.addAction(_('CURRENT_FIELDS'), 
            lambda: query_from_editor_fields(
                web_view.editor,
                fields=[web_view.editor.currentField]
            )
        )
        submenu.addAction(_("OPTIONS"), lambda: show_options(web_view, web_view.editor.note.model()['id']))

    addHook('EditorWebView.contextMenuEvent', on_setup_menus)