#import sys
import os
import xbmc, xbmcgui, xbmcvfs
from net import HTTP

__libbaseurl__ = "https://github.com/DiMartinoXBMC/script.module.libtorrent/raw/master/python_libtorrent/"
__scriptname__ = "script.module.libtorrent"
__icon__=os.path.join(xbmc.translatePath('special://home'), 'addons',
                                   'script.module.libtorrent', 'icon.png')
#dirname = os.path.join(xbmc.translatePath('special://home'), 'addons', 'script.module.libtorrent')
#sys.path.insert(0, dirname)

from platform_pulsar import get_platform, get_libname

class DownloaderClass():
    def __init__(self, dest_path):
        self.dest_path = dest_path
        self.platform = get_platform()
        tempdir(self.platform)

    def tools_download(self):
        for libname in get_libname(self.platform):
            dest = os.path.join(self.dest_path, libname)
            log("try to fetch %s" % libname)
            url = "%s/%s/%s.zip" % (__libbaseurl__, self.platform['system'], libname)
            if libname!='liblibtorrent.so':
                try:
                    self.http = HTTP()
                    self.http.fetch(url, download=dest + ".zip", progress=True)
                    log("%s -> %s" % (url, dest))
                    xbmc.executebuiltin('XBMC.Extract("%s.zip","%s")' % (dest, self.dest_path), True)
                    xbmcvfs.delete(dest + ".zip")
                except:
                    text = 'Failed download %s!' % libname
                    xbmc.executebuiltin("XBMC.Notification(%s,%s,%s,%s)" % (__scriptname__,text,750,__icon__))
            else:
                x=xbmcvfs.copy(os.path.join(self.dest_path, 'libtorrent.so', dest))
        return True

def log(msg):
    xbmc.log("### [%s]: %s" % (__scriptname__,msg,), level=xbmc.LOGNOTICE )
    #print "### [%s]: %s" % (__scriptname__,msg,)

def tempdir(platform):
    dirname=xbmc.translatePath('special://temp')
    for subdir in ('xbmcup', 'script.module.libtorrent', 'python_libtorrent', platform['system']):
        dirname = os.path.join(dirname, subdir)
        if not xbmcvfs.exists(dirname):
            xbmcvfs.mkdir(dirname)
    return dirname

class LibraryManager():
    def __init__(self, dest_path):
        self.dest_path = dest_path
        self.platform = get_platform()
        self.root=os.path.dirname(__file__)

    def check_exist(self):
        for libname in get_libname(self.platform):
            if not xbmcvfs.exists(os.path.join(self.dest_path,libname)):
                return False
        return True

    def check_update(self):
        need_update=False
        for libname in get_libname(self.platform):
            if libname!='liblibtorrent.so':
                self.libpath = os.path.join(self.dest_path, libname)
                self.sizepath=os.path.join(self.root, self.platform['system'], libname+'.size.txt')
                size=str(os.path.getsize(self.libpath))
                size_old=open( self.sizepath, "r" ).read()
                if size_old!=size:
                    need_update=True
        return need_update

    def update(self):
        if self.check_update():
            for libname in get_libname(self.platform):
                self.libpath = os.path.join(self.dest_path, libname)
                xbmcvfs.delete(self.libpath)
            self.download()

    def download(self):
        DownloaderClass(self.dest_path).tools_download()