import sys
import urllib
import os.path
import ConfigParser

class AuthURLOpener(urllib.FancyURLopener):
    def __init__(self, user, pw):
        self.username = user
        self.password = pw
        self.numTries = 0
        urllib.FancyURLopener.__init__(self)
    
    def prompt_user_passwd(self, host, realm):
        if self.numTries == 0:
            self.numTries = 1
            return (self.username, self.password)
        else:
            return ('', '')

    def openit(self, url):
        self.numTries = 0
        return urllib.FancyURLopener.open(self, url)


def processEpisode(dirName, nzbName=None):

    config = ConfigParser.ConfigParser()
    configFilename = os.path.join(os.path.dirname(sys.argv[0]), "autoProcessComics.cfg")
    print "Loading config from", configFilename
    
    if not os.path.isfile(configFilename):
        print "ERROR: You need an autoProcessComics.cfg file - did you rename and edit the .sample?"
        sys.exit(-1)
    
    try:
        fp = open(configFilename, "r")
        config.readfp(fp)
        fp.close()
    except IOError, e:
        print "Could not read configuration file: ", str(e)
        sys.exit(1)
    
    host = config.get("Mylar", "host")
    port = config.get("Mylar", "port")
    username = config.get("Mylar", "username")
    password = config.get("Mylar", "password")
    try:
        ssl = int(config.get("Mylar", "ssl"))
    except (ConfigParser.NoOptionError, ValueError):
        ssl = 0
    
    try:
        web_root = config.get("Mylar", "web_root")
    except ConfigParser.NoOptionError:
        web_root = ""
    
    params = {}
    
    params['nzb_folder'] = dirName
    if nzbName != None:
        params['nzb_name'] = nzbName
        
    myOpener = AuthURLOpener(username, password)
    
    if ssl:
        protocol = "https://"
    else:
        protocol = "http://"

    url = protocol + host + ":" + port + web_root + "/post_process?" + urllib.urlencode(params)
    
    print "Opening URL:", url
    
    try:
        urlObj = myOpener.openit(url)
    except IOError, e:
        print "Unable to open URL: ", str(e)
        sys.exit(1)
    
    result = urlObj.readlines()
    for line in result:
        print line