#
#        This file is part of stov, written by Helmut Pozimski in 2012.
#
#       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 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>', '').replace('</title>', '')
				channel.title = channel.title.replace('&amp;', '&').replace('&quot;', '"')
			else:
				video_title = xmlTag.replace('<title>', '').replace('</title>', '')
				video_title = video_title.replace('&amp;', '&').replace('&quot;', '"')
				xmlTag = dom.getElementsByTagName('media:description')[i-1].toxml()
				video_description = xmlTag.replace('<media:description type="plain">',
				'').replace('</media: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 = u""
		self.videos = []


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