#!/usr/bin/env python
# -*- coding: utf-8 -*-
#
# Art4app activity: A case study for developing a HTML5 activity with Art4app library Enyo Framework.
# Lionel Laské 


from gi.repository import Gtk
import logging
import os

from gettext import gettext as _

from sugar3.activity import activity
from sugar3.graphics.toolbarbox import ToolbarBox
from sugar3.graphics.toolbutton import ToolButton
from sugar3.activity.widgets import ActivityButton
from sugar3.activity.widgets import TitleEntry
from sugar3.activity.widgets import StopButton
from sugar3.activity.widgets import ShareButton
from sugar3.activity.widgets import DescriptionItem
from sugar3.presence import presenceservice

from gi.repository import WebKit
import logging
import gconf

from datetime import date

from enyo import Enyo


class EnyoActivity(activity.Activity):
    """EnyoActivity class as specified in activity.info"""

    def __init__(self, handle):
        """Set up the activity."""
        activity.Activity.__init__(self, handle)

        self.max_participants = 1

        self.make_toolbar()
        self.make_mainview()

    def alert(self, msg):
        """Display a message dialog"""
        messagedialog = Gtk.MessageDialog(self, type=1, buttons=1,  message_format=msg)
        messagedialog.run()
        messagedialog.destroy()

    def display_message(self, param):
        """A message was received from JavaScript, display it"""
        # Display as a JSON string to see structure
        self.alert("Python received "+self.enyo.json_encode(param))

    def go_home(self, button):
        """Toolbar button home clicked, signal to JavaScript to update page count"""
        self.enyo.send_message("home_clicked", 0)

    def go_back(self, button):
        """Toolbar button back clicked, signal to JavaScript to update page count"""
        self.enyo.send_message("back_clicked", -1)

    def go_forward(self, button):
        """Toolbar button forward clicked, signal to JavaScript to update page count"""
        self.enyo.send_message("forward_clicked", 1)

    def init_context(self, args):
        """Init Javascript context sending buddy information"""
        # Get XO colors
        buddy = {}
        client = gconf.client_get_default()
        colors = client.get_string("/desktop/sugar/user/color")
        buddy["colors"] = colors.split(",")

        # Get XO name
        presenceService = presenceservice.get_instance()
        buddy["name"] = presenceService.get_owner().props.nick

        self.enyo.send_message("buddy", buddy)

    def make_mainview(self):
        """Create the activity view"""
        # Create global box
        vbox = Gtk.VBox(True)

        # Create webview
        self.webview = webview  = WebKit.WebView()
        webview.show()
        vbox.pack_start(webview, True, True, 0)
        vbox.show()

        # Activate Enyo interface
        self.enyo = Enyo(webview)
        self.enyo.connect("ready", self.init_context)

        # Go to first page
        web_app_page = os.path.join(activity.get_bundle_path(), "html/index.html")
        self.webview.load_uri('file://' + web_app_page)

        # Display all
        self.set_canvas(vbox)
        vbox.show()

    def make_toolbar(self):
        # toolbar with the new toolbar redesign
        toolbar_box = ToolbarBox()

        activity_button = ActivityButton(self)
        toolbar_box.toolbar.insert(activity_button, 0)
        activity_button.show()

        home_button = ToolButton('go-home')
        home_button.set_tooltip('Page count to 0')
        home_button.connect('clicked', self.go_home)
        toolbar_box.toolbar.insert(home_button, -1)
        home_button.show()

        title_entry = TitleEntry(self)
        toolbar_box.toolbar.insert(title_entry, -1)
        title_entry.show()

        description_item = DescriptionItem(self)
        toolbar_box.toolbar.insert(description_item, -1)
        description_item.show()

        back_button = self.back_button = ToolButton('go-previous-paired')
        back_button.set_tooltip('Page count -1')
        back_button.connect('clicked', self.go_back)
        back_button.set_sensitive(False)
        toolbar_box.toolbar.insert(back_button, -1)
        back_button.show()

        forward_button = self.forward_button = ToolButton('go-next-paired')
        forward_button.set_tooltip('Page count +1')
        forward_button.connect('clicked', self.go_forward)
        toolbar_box.toolbar.insert(forward_button, -1)
        forward_button.show()

        share_button = ShareButton(self)
        toolbar_box.toolbar.insert(share_button, -1)
        share_button.show()

        separator = Gtk.SeparatorToolItem()
        separator.props.draw = False
        separator.set_expand(True)
        toolbar_box.toolbar.insert(separator, -1)
        separator.show()

        stop_button = StopButton(self)
        toolbar_box.toolbar.insert(stop_button, -1)
        stop_button.show()

        self.set_toolbar_box(toolbar_box)
        toolbar_box.show()