# -*- coding: utf-8 -*-

__revision__ = '$Id: $'

# Copyright (c) 2015

# 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 Library 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
# 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA

# You may use and distribute this software under the terms of the
# GNU General Public License, version 2 or later

from plugins.imp import ImportPlugin as IP
import os
import gutils
import string
from xml.dom import minidom, Node
from lxml import etree
import zipfile
from shutil import rmtree
from tempfile import mkdtemp

import logging
log = logging.getLogger("Griffith")

"""
See lib/plugins/imp/__init__.py for workflow how importer invokes methods from importer plugins
"""
class ImportPlugin(IP):
    description  = 'Kodi/XBMC MovieDB importer'
    author       = 'Elan Ruusamäe'
    email        = 'glen@pld-linux.org'
    version      = '1.0'
    file_filters = 'videodb.xml'
    mime_types   = None

    fileversion  = None
    xml          = None
    items        = None
    itemindex    = 0

    # used by get_movie_details method
    # griffith field => kodi field
    # griffith field is actual SQL column in 'movies' table
    field_map = {
        'title': 'title',
        'o_title': 'originaltitle',
        'year': 'year',
        'runtime': 'runtime', # may need int cast
        'rating': 'rating',
        'plot': 'plot',
        'director': 'director',
        'studio': 'studio',
        'country': 'country',
        # while the trailer field exists, it is not useful for griffith
        # as it's something like: "plugin://plugin.video.youtube/?action=play_video&videoid=..."
        # however youtube urls can be probably fixed.
        'trailer': 'trailer',
    }

    def initialize(self):
        if not IP.initialize(self):
            return False
        self.edit = False
        return True

    def set_source(self, name):
        IP.set_source(self, name)
        self.filename = name
        self.fileversion = self.read_fileversion()
        if self.fileversion == None:
            gutils.error(_('The format of the file is not supported.'))
            return False
        return True

    def clear(self):
        """clear plugin state before next source file"""
        IP.clear(self)
        if self.xml:
            self.xml = None
            self.fileversion = None
            self.items = None
            self.itemindex = 0

    def destroy(self):
        """close all resources"""
        IP.destroy(self)

    def read_fileversion(self):
        version = None
        try:
            self.xml = etree.parse(self.filename)
            version = self.xml.xpath('/videodb/version')[0].text
        except Exception, e:
            log.error(str(e))
        log.info('Found file version %s' % version)
        return version

    def count_movies(self):
        """Returns number of movies in file which is about to be imported"""
        if not self.xml:
            log.error('No XML object')
            return 0

        count = 0

        try:
            count = int(self.xml.xpath('count(/videodb/movie)'))
        except Exception, e:
            log.exception(e)

        log.info('%s movies for import' % count)
        return count

    def get_movie_details(self):
        """Returns dictionary with movie details"""
        if not self.xml:
            log.error('XML not opened')
            return None

        if not self.items:
            self.items = self.xml.xpath('/videodb/movie')
            self.itemindex = 0

        # don't bother for empty db (shouldn't happen really)
        if not self.items or len(self.items) < 1:
            return None

        # no more items
        if self.itemindex >= len(self.items):
            return None

        item = self.items[self.itemindex]

        # fill details
        details = {}
        for k,v in self.field_map.items():
            details[k] = item.findtext(v)

        # if playcount set, means it's seen
        details['seen'] = int(item.find('playcount').text) > 0

        # genre can be multiple items, join by comma
        details['genre'] = ', '.join(n.text for n in item.findall('genre'))

        # increment for next iteration
        self.itemindex = self.itemindex + 1

        return details