# Python imports
import os.path
import sys

# Gtk and Gobject
import gi
gi.require_version('Gtk', '3.0')
from gi.repository import Gtk, Gio

# Internationalization support
import gettext
import locale

# Printing library import
import smallprint


if os.path.exists('locale/po') and os.path.exists('res'):
    # We're in the development tree
    DIR = "locale/po/"
    RESOURCES = "res/"

else:
    DIR = "po"
    RESOURCES = "res/"

# Internationalization code, we'll cross that bridge when we get there
# APP = "smallprint"
#
#
# locale.setlocale(locale.LC_ALL, '')
#
# gettext.bindtextdomain(APP, DIR)
# locale.bindtextdomain(APP, DIR)
#
#
# gettext.textdomain(APP)
# _ = gettext.gettext
#


class MainWindowMethods(Gtk.Application):
    """
    Main Application object with the main window signals
    """
    def __init__(self):
        Gtk.Application.__init__(self, application_id="apps.gnome.smallprint",
                                 flags=Gio.ApplicationFlags.FLAGS_NONE)

        self.connect("activate", self.on_app_start)

    def on_app_start(self, data=None):
        """
        Loads the MainWindow widgets, shows it up and starts the main loop
        """
        self.builder = Gtk.Builder()
        # self.builder.set_translation_domain(APP)
        self.builder.add_from_file(os.path.join(RESOURCES, 'smallprint.gtkbuilder'))
        self.builder.connect_signals(self)

        # We get the window and show it
        self.window = self.builder.get_object("MainWindow")
        self.add_window(self.window)
        self.window.show_all()

    def onOpenMenuClicked(self, event):
        """
        User has pressed Open in the menu
        """
        # Create the FileChooser Dialog
        chooser = Gtk.FileChooserDialog(_("Open JSON text file"), self.window,
                                        Gtk.FileChooserAction.OPEN,
                                        (Gtk.STOCK_CANCEL, Gtk.ResponseType.CANCEL,
                                        Gtk.STOCK_OPEN, Gtk.ResponseType.OK))

        # Launch it
        response = chooser.run()

        # If we choose a file, we load it
        if response == Gtk.ResponseType.OK:
            filename = chooser.get_filename()
            label = self.builder.get_object("StatusLabel")

            # We update the statusbar accordingly to what has happened
            if self.logicObj.loadjson(filename):

                label.set_text(filename)
                treeStore = self.builder.get_object("treestore1")
                treeStore.clear()
                self.logicObj.loadTree(treeStore)

            else:

                label.set_text(_("No JSON loaded."))

        # We finish the dialog
        chooser.destroy()

    def onCopyJSONClicked(self, widget):
        """
        User asked to paste a JSON code
        """
        # Show up the TextWindow
        textWindow = self.builder.get_object("TextWindow")
        textWindow.show_all()

    def onCopyJSONDelete(self, widget, event):
        """
        We've been told to close the CopyJSON Window
        """
        textWindow = self.builder.get_object("TextWindow")
        textWindow.hide()

        return True

    def onCopyJSONDestroy(self, widget):
        """
        We've been tasked with removing the CopyJSON window
        """
        textWindow = self.builder.get_object("TextWindow")
        textWindow.hide()

        return True

    def onCopyJSONAcceptClicked(self, widget):
        """
        The input is finished and accepted.
        """
        textView = self.builder.get_object("textview1")
        jsonBuffer = textView.get_buffer()
        jsonText = jsonBuffer.get_text(jsonBuffer.get_start_iter(),
                                       jsonBuffer.get_end_iter(), True)

        textWindow = self.builder.get_object("TextWindow")
        textWindow.hide()
        treestore = self.builder.get_object("treestore1")
        treestore.clear()

        if self.logicObj.loadJSONText(jsonText):

            status_label = self.builder.get_object("StatusLabel")
            status_label.set_text(_("Loaded from the clipboard."))
            self.logicObj.loadTree(treestore)

    def onCopyJSONCancelClicked(self, widget):
        """
        The user changed its mind and pressed cancel
        """
        textWindow = self.builder.get_object("TextWindow")
        textWindow.hide()

    def onExitMenuClicked(self, widget):
        """
        Menu option Exit has been clicked
        """
        self.quit()

    def onAboutMenuActivate(self, widget):
        """
        About option clicked
        """
        about_dialog = self.builder.get_object("AboutDialog")
        about_dialog.run()
        about_dialog.hide()

    def onMainWindowDelete(self, widget, event):
        """
        Our MainWindow has been deleted or closed
        """
        pass

    def onAboutDialogClose(self, widget, event=None):
        pass

    def onAboutDialogDeleteEvent(self, widget, event=None):
        pass


# Main procedure
if __name__ == "__main__":

    mainWindow = MainWindowMethods()
    mainWindow.run(None)