# -*- coding: utf-8 -*-
#
# (c) Copyright 2001-2015 HP Development Company, L.P.
#
# 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 2 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, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
#
# Author: Don Welch
#

# Std Lib
import os, os.path
import operator

# Local
from base.g import *
from base import utils, device
from base.sixext import  to_unicode
from prnt import cups
from .ui_utils import load_pixmap

# Qt
from qt import *
from .scrollunload import ScrollUnloadView


class UnloadForm(QMainWindow):
    def __init__(self, bus=['usb', 'par'], device_uri=None, printer_name=None,
                 parent=None, name=None, fl=0):

        QMainWindow.__init__(self,parent,name,fl)

        self.pc = None
        self.device_uri = device_uri
        self.printer_name = printer_name
        self.init_failed = False

        self.setIcon(load_pixmap('hp_logo', '128x128'))

        self.setCentralWidget(QWidget(self,"qt_central_widget"))
        self.FormLayout = QGridLayout(self.centralWidget(),1,1,11,6,"FormLayout")

        self.languageChange()

        self.resize(QSize(600,480).expandedTo(self.minimumSizeHint()))
        self.clearWState(Qt.WState_Polished)

        if self.device_uri and self.printer_name:
            log.error("You may not specify both a printer (-p) and a device (-d).")
            self.device_uri, self.printer_name = None, None

        if not self.device_uri and not self.printer_name:
            probed_devices = device.probeDevices(bus=bus, filter={'pcard-type': (operator.eq, 1)})
            cups_printers = cups.getPrinters()
            log.debug(probed_devices)
            log.debug(cups_printers)
            max_deviceid_size, x, devices = 0, 0, {}

            for d in probed_devices:
                if d.startswith('hp:'):
                    printers = []
                    for p in cups_printers:
                        if p.device_uri == d:
                            printers.append(p.name)
                    devices[x] = (d, printers)
                    x += 1
                    max_deviceid_size = max(len(d), max_deviceid_size)

            if x == 0:
                from .nodevicesform import NoDevicesForm
                self.FailureUI(self.__tr("<p><b>No devices found that support photo card access.</b><p>Please make sure your device is properly installed and try again."))
                self.init_failed = True

            elif x == 1:
                log.info(log.bold("Using device: %s" % devices[0][0]))
                self.device_uri = devices[0][0]

            else:
                from .choosedevicedlg import ChooseDeviceDlg
                dlg = ChooseDeviceDlg(devices)
                if dlg.exec_loop() == QDialog.Accepted:
                    self.device_uri = dlg.device_uri
                else:
                    self.init_failed = True

        self.dbus_avail, self.service, session_bus = device.init_dbus()

        self.UnloadView = ScrollUnloadView(self.service,
            self.centralWidget(), self, "UnloadView")

        self.FormLayout.addWidget(self.UnloadView,0,0)


        if not self.init_failed:
            try:
                self.cur_device = device.Device(device_uri=self.device_uri,
                                                 printer_name=self.printer_name)
            except Error as e:
                log.error("Invalid device URI or printer name.")
                self.FailureUI("<b>Invalid device URI or printer name.</b><p>Please check the parameters to hp-print and try again.")
                self.init_failed = True

            else:
                self.device_uri = self.cur_device.device_uri
                user_conf.set('last_used', 'device_uri', self.device_uri)

                log.debug(self.device_uri)

                self.statusBar().message(self.device_uri)


        QTimer.singleShot(0, self.initialUpdate)


    def initialUpdate(self):
        if self.init_failed:
            self.close()
            return

        self.UnloadView.onDeviceChange(self.cur_device)

    def FailureUI(self, error_text):
        log.error(to_unicode(error_text).replace("<b>", "").replace("</b>", "").replace("<p>", " "))
        QMessageBox.critical(self,
                             self.caption(),
                             error_text,
                              QMessageBox.Ok |\
                              QMessageBox.NoButton,
                              QMessageBox.NoButton)


    def languageChange(self):
        self.setCaption(self.__tr("HP Device Manager - Unload Photo Card"))

    def __tr(self,s,c = None):
        return qApp.translate("UnloadForm",s,c)