#
#  Provides a http GET method with gtk.statusbar() callback.
#  And a function to add trailings slashes on http URLs.
#
#


from compat2and3 import urllib2, urlencode, urlparse, cookielib, StringIO, xrange, PY3
from gzip import GzipFile
from config import conf, __print__, dbg
import requests
import copy



#-- chains to progress meter and status bar in main window
#-- hooks to progress meter and status bar in main window
feedback = None

# sets either text or percentage, so may take two parameters
# Sets either text or percentage of main windows' status bar.
#
# Can either take a float parameter (e.g. 0.99 for % indicator)
# or text message. Alternatively two parameters to update both.
def progress_feedback(*args):

  # use reset values if none given
  if not args:
     args = ["", 1.0]

  # send to main win
  if feedback:
    try: [feedback(d) for d in args]
    except: pass




# default HTTP headers for AJAX/POST request
# default HTTP headers for requests
default_headers = {
    "User-Agent": "streamtuner2/2.1 (X11; U; Linux AMD64; en; rv:1.5.0.1) like WinAmp/2.1 but not like Googlebot/2.1", #"Mozilla/5.0 (X11; U; Linux x86_64; de; rv:1.9.2.6) Gecko/20100628 Ubuntu/10.04 (lucid) Firefox/3.6.6",
    "Accept": "*/*;q=0.5, audio/*, url/*",
    "Accept-Language": "en-US,en,de,es,fr,it,*;q=0.1",
    "Accept-Encoding": "gzip,deflate",
    "Accept-Charset": "ISO-8859-1,utf-8;q=0.7,*;q=0.1",
    "Keep-Alive": "115",
    "Connection": "keep-alive",
    "Pragma": "no-cache",
    "Cache-Control": "no-cache",
}



#-- GET
def get(url, params={}, referer="", post=0, ajax=0, binary=0):
#-- Retrieve data via HTTP
#
#  Well, it says "get", but it actually does POST and AJAXish GET requests too.
#
def get(url, params={}, referer="", post=0, ajax=0, binary=0, feedback=None):
    __print__( dbg.HTTP, "GET", url)

    # statusbar info
    progress_feedback(url, 0.1)
    
    # combine headers
    headers = copy.copy(default_headers)
    if ajax:
        headers["X-Requested-With"] = "XMLHttpRequest"
    if referer:
        headers["Referer"] = (referer if referer else url)
    
    # read
    if post:
        __print__("POST")
        r = requests.post(url, params=params, headers=headers)
    else:    
        __print__("GET")
        r = requests.get(url, params=params, headers=headers)
        
    # result
    progress_feedback(0.9)
    content = (r.content if binary else r.text)
    
    # finish, clean statusbar
    progress_feedback()
    __print__( dbg.INFO, "Content-Length", len(content) )
    return content




# simulate ajax calls
def ajax(url, params, referer="", binary=0):
    get(url, params, referer, binary, ajax=1)

#-- Append missing trailing slash to URLs


#-- fix invalid URLs
def fix_url(url):
    if url is None:
        url = ""
    if len(url):
        # remove whitespace
        url = url.strip()
        # add scheme

            elif cat in self.radio:
                grp = "radio"
                url = self.api_radio % cat.lower().replace(" ","").replace("&","")
            else:
                return []
                
            # retrieve API data
            data = http.ajax(url, None)
            data = http.get(url, params=None, ajax=1)
            data = json.loads(data)
                
            # tranform datasets            
            if grp == "podcast":
                return [{
                    "genre": cat,
                    "title": row["titel"],

                "typ": e["format"][6:],
                "eintragen": "eintragen", # form
            }

            # just push data in, like the form does
            if form:
                self.login()
                http.ajax(self.api + "c_neu.jsp", submit)
                http.get(self.api + "c_neu.jsp", params=submit, ajax=1, post=1)

            # use JSON interface
            else:
                http.ajax(self.api + "commonadd.json?" + urllib.urlencode(submit))
                http.get(self.api + "commonadd.json", params=submit, ajax=1)
    
            
    # authenticate against MyOggRadio
    def login(self):
        login = self.user_pw()    
        if login:
            data = dict(zip(["benutzer", "passwort"], login))
            http.ajax(self.api + "c_login.jsp", data)
            http.get(self.api + "c_login.jsp", params=data, ajax=1)
            # let's hope the JSESSIONID cookie is kept


    # returns login (user,pw)
    def user_pw(self):
        if conf.myoggradio_login != "user:password":
            return conf.myoggradio_login.split(":")
        else: pass
        

        def update_streams(self, cat, search=""):

            # there is actually just a single category to download,
            # all else are virtual
            if (cat == "all"):
            
                #-- get data
                yp = http.get(self.base_url + self.yp, 1<<22, feedback=self.parent.status)
                yp = http.get(self.base_url + self.yp)
                
                #-- extract
                l = []
                __print__( dbg.DATA, "xml.dom.minidom parses yp.xml" )
                for entry in xml.dom.minidom.parseString(yp).getElementsByTagName("entry"):
                    bitrate = self.bitrate(self.x(entry, "bitrate"))
                    if conf.xiph_min_bitrate and bitrate and bitrate >= int(conf.xiph_min_bitrate):
                      l.append({
                        "title": str(self.x(entry, "server_name")),
                        "url": str(self.x(entry, "listen_url")),
                        "format": self.mime_fmt(str(self.x(entry, "server_type"))[6:]),

        # extract first title parts
        title = rx_t.search(row["title"])
        if title:
            title = title.group(0).replace(" ", "%20")
            
            # do a google search
            html = ahttp.ajax("http://www.google.de/search?hl=de&q="+title, None)
            html = ahttp.get("http://www.google.de/search?hl=de&q="+title, params={}, ajax=1)
            
            # find first URL hit
            url = rx_u.search(html)
            if url:
                row["homepage"] = ahttp.fix_url(url.group(1))
    pass
#-----------------