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

__libbaseurl__ = "https://github.com/DiMartinoXBMC/script.module.torrent2http/tree/master/bin"
__settings__ = xbmcaddon.Addon(id='script.module.torrent2http')
__version__ = __settings__.getAddonInfo('version')
__plugin__ = __settings__.getAddonInfo('name') + " v." + __version__

def get_libname(platform):
    return ["torrent2http" + (".exe" if 'windows' in platform else "")]

def log(msg):
    try:
        xbmc.log("### [%s]: %s" % (__plugin__,msg,), level=xbmc.LOGNOTICE )
    except UnicodeEncodeError:
        xbmc.log("### [%s]: %s" % (__plugin__,msg.encode("utf-8", "ignore"),), level=xbmc.LOGNOTICE )
    except:
        xbmc.log("### [%s]: %s" % (__plugin__,'ERROR LOG',), level=xbmc.LOGNOTICE )

def getSettingAsBool(setting):
    return __settings__.getSetting(setting).lower() == "true"

class LibraryManager():
    def __init__(self, dest_path, platform):
        self.dest_path = dest_path
        self.platform = platform

    def check_update(self):
        need_update=False
        if __settings__.getSetting('plugin_name')!=__plugin__:
            __settings__.setSetting('plugin_name', __plugin__)
            for libname in get_libname(self.platform):
                self.libpath = os.path.join(self.dest_path, libname)
                self.sizepath=os.path.join(self.dest_path, self.platform, 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):
        xbmcvfs.mkdirs(self.dest_path)
        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, libname)
            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)" % (__plugin__,text,750))
        return True