#!/usr/bin/env python

import time
import os
import re
import xml.dom.minidom
import urllib.request

def getText(parent, field):
	return parent.getElementsByTagName(field)[0].childNodes[0].data

feed = "https://www.destroyallsoftware.com/screencasts/feed"
showname = "Destroy All Software"
shownameDotted = "Destroy.All.Software"
season = 1
extension = "nfo"
videoExtension = "mov"
credits = "Gary Bernhardt"

feed = xml.dom.minidom.parse(urllib.request.urlopen(feed));

channel = feed.getElementsByTagName("channel")[0]
episodes = channel.getElementsByTagName("item")

episodesHandled = 0
for episode in episodes:
	number = episodes.length - episodesHandled
	idName = getText(episode, "link").split("/")[-1]
	date = time.strftime("%Y-%m-%d", time.strptime(getText(episode, "pubDate"), "%a, %d %b %Y %H:%M:%S +0000"))
	title = getText(episode, "title")
	plot = re.sub('<[^<]+?>', '', getText(episode, "description"))
	baseFileName = "%s.S%02dE%02d.%s" % (shownameDotted, season, number, idName)
	originalFileName = "das-%04d-%s.%s" % (number, idName, videoExtension)

	data = """<?xml version="1.0" encoding="UTF-8" standalone="yes" ?>
<episodedetails>
	<title>""" + title + """</title>
	<showtitle>""" + showname + """</showtitle>
	<season>""" + str(season) + """</season>
	<episode>""" + str(number) + """</episode>
	<plot>""" + plot + """</plot>
	<credits>""" + credits + """</credits>
	<aired>""" + date + """</aired>
</episodedetails>"""

	with open(baseFileName + "." + extension, "w") as file:
		file.write(data)

	try:
		os.rename(originalFileName, baseFileName + "." + videoExtension)
	except OSError:
		pass

	episodesHandled += 1