# -*- coding: utf-8 -*-
# vim: autoindent shiftwidth=4 expandtab textwidth=80 tabstop=4 softtabstop=4

###############################################################################
# OpenLP - Open Source Lyrics Projection                                      #
# --------------------------------------------------------------------------- #
# Copyright (c) 2008-2009 Raoul Snyman                                        #
# Portions copyright (c) 2008-2009 Martin Thompson, Tim Bentley, Carsten      #
# Tinggaard, Jon Tibble, Jonathan Corwin, Maikel Stuivenberg, Scott Guerrieri #
# --------------------------------------------------------------------------- #
# 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; version 2 of the License.                              #
#                                                                             #
# 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                          #
###############################################################################

import logging
import chardet

from openlp.plugins.bibles.lib.bibleDBimpl import BibleDBImpl
from openlp.plugins.bibles.lib.common import BibleCommon
from openlp.core.lib import Receiver


class BibleCSVImpl(BibleCommon):
    global log
    log=logging.getLogger(u'BibleCSVImpl')
    log.info(u'BibleCVSImpl loaded')
    def __init__(self, bibledb):
        """
        Loads a Bible from a pair of CVS files passed in
        This class assumes the files contain all the information and
        a clean bible is being loaded.
        """
        self.bibledb = bibledb
        self.loadbible = True
        QtCore.QObject.connect(Receiver().get_receiver(),QtCore.SIGNAL(u'openlpstopimport'),self.stop_import)

    def stop_import(self):
        self.loadbible= False

    def load_data(self, booksfile, versesfile, dialogobject):
        #Populate the Tables
        fbooks=open(booksfile, 'r')
        fverse=open(versesfile, 'r')

        count = 0
        for line in fbooks:
            # cancel pressed
            if self.loadbible == False:
                break
            details = chardet.detect(line)
            line = unicode(line, details['encoding'])
            p = line.split(u',')
            p1 = p[1].replace(u'"', u'')
            p2 = p[2].replace(u'"', u'')
            p3 = p[3].replace(u'"', u'')
            self.bibledb.create_book(p2, p3, int(p1))
            count += 1
            #Flush the screen events
            if count % 3 == 0:
                Receiver().send_message(u'process_events')
                count = 0

        count = 0
        book_ptr = None
        for line in fverse:
            if self.loadbible == False:  # cancel pressed
                break
            details = chardet.detect(line)
            line = unicode(line, details['encoding'])
            # split into 3 units and leave the rest as a single field
            p = line.split(u',', 3)
            p0 = p[0].replace(u'"', u'')
            p3 =  p[3].replace(u'"',u'')
            if book_ptr is not p0:
                book = self.bibledb.get_bible_book(p0)
                book_ptr = book.name
                # increament the progress bar
                dialogobject.incrementProgressBar(book.name)
            self.bibledb.add_verse(book.id, p[1], p[2], p3)
            count += 1
            #Every x verses repaint the screen
            if count % 3 == 0:
                Receiver().send_message(u'process_events')
                count = 0