#
#        This file is part of stov, written by Helmut Pozimski 2012-2014.
#
#       stov 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.
#
#       stov 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 stov.  If not, see <http://www.gnu.org/licenses/>.


# -*- coding: utf8 -*-

from __future__ import unicode_literals

from xml.dom.minidom import parseString


class Parser(object):
    def __init__(self, api_result):
        self.__api_data = api_result

    def parse(self):
        """Take the youtube API data and extract the important entries"""
        dom = parseString(self.__api_data)
        channel = YtChannel()
        i = 0
        for title in dom.getElementsByTagName('title'):
            xmlTag = title.toxml()
            if i == 0:
                channel.title = xmlTag.replace('<title>', '')
                channel.title = channel.title.replace('</title>', '')
                channel.title = channel.title.replace('&amp;', '&')
                channel.title = channel.title.replace('&quot;', '"')
            else:
                video_title = xmlTag.replace('<title>', '')
                video_title = video_title.replace('</title>', '')
                video_title = video_title.replace('&amp;', '&')
                video_title = video_title.replace('&quot;', '"')
                try:
                    xmlTag = dom.getElementsByTagName('media:\
                    description')[i-1].toxml()
                    video_description = xmlTag.replace('<media:description '
                                                       'type="plain">',
                                                       '')
                    video_description = video_description.replace('</media:\
                    description>', '')
                except IndexError:
                    video_description = ""
                video_id = dom.getElementsByTagName('yt:videoid')[i-1].toxml()
                video_id = video_id.replace('<yt:videoid>', '').replace(
                    '</yt:videoid>', '')
                channel.videos.append(YtVideo(video_title, video_description,
                                              video_id))
            i = i + 1
        return channel


class YtChannel(object):
    def __init__(self):
        self.title = ""
        self.videos = []


class YtVideo(object):
    def __init__(self, title, description, ytid):
        self.title = title
        self.description = description
        self.ytid = ytid