def pre_processor():
    s = request.environ.get('beaker.session')
    user = parse_userdata(s)
    perms = parse_permissions(s)
    status = {}
    captcha = False
    update = False
    plugins = False
    if user["is_authenticated"]:
        status = PYLOAD.statusServer()
        info = PYLOAD.getInfoByPlugin("UpdateManager")
        captcha = PYLOAD.isCaptchaWaiting()

        # check if update check is available
        if info:
            if info["pyload"] == "True":
                update = info["version"]
            if info["plugins"] == "True":
                plugins = True

    return {"user": user,
            'status': status,
            'captcha': captcha,
            'perms': perms,
            'url': request.url,
            'update': update,
            'plugins': plugins}

def add_package():
    name = request.forms.get("add_name", "New Package").strip()
    queue = int(request.forms['add_dest'])
    links = decode(request.forms['add_links'])
    links = links.split("\n")
    pw = request.forms.get("add_password", "").strip("\n\r")

    try:
        f = request.files['add_file']

        if not name or name == "New Package":
            name = f.name

        fpath = join(PYLOAD.getConfigValue("general", "download_folder"), "tmp_" + f.filename)
        with open(fpath, 'wb') as destination:
            shutil.copyfileobj(f.file, destination)
        links.insert(0, fpath)
    except Exception:
        pass

    name = name.decode("utf8", "ignore")

    links = map(lambda x: x.strip(), links)
    links = filter(lambda x: x != "", links)

    pack = PYLOAD.addPackage(name, links, queue)
    if pw:
        pw = pw.decode("utf8", "ignore")
        data = {"password": pw}
        PYLOAD.setPackageData(pack, data)

def admin():
    # convert to dict
    user = dict((name, toDict(y)) for name, y in PYLOAD.getAllUserData().iteritems())
    perms = permlist()

    for data in user.itervalues():
        data["perms"] = {}
        get_permission(data["perms"], data["permission"])
        data["perms"]["admin"] = True if data["role"] is 0 else False

    s = request.environ.get('beaker.session')
    if request.environ.get('REQUEST_METHOD', "GET") == "POST":
        for name in user:
            if request.POST.get("%s|admin" % name, False):
                user[name]["role"] = 0
                user[name]["perms"]["admin"] = True
            elif name != s["name"]:
                user[name]["role"] = 1
                user[name]["perms"]["admin"] = False

            # set all perms to false
            for perm in perms:
                user[name]["perms"][perm] = False

            for perm in request.POST.getall("%s|perms" % name):
                user[name]["perms"][perm] = True

            user[name]["permission"] = set_permission(user[name]["perms"])

            PYLOAD.setUserPermission(name, user[name]["permission"], user[name]["role"])

    return render_to_response("admin.html", {"users": user, "permlist": perms}, [pre_processor])

def status():
    try:
        status = toDict(PYLOAD.statusServer())
        status['captcha'] = PYLOAD.isCaptchaWaiting()
        return status
    except Exception:
        return HTTPError()

def package_order(ids):
    try:
        pid, pos = ids.split("|")
        PYLOAD.orderPackage(int(pid), int(pos))
        return {"response": "success"}
    except Exception:
        return bottle.HTTPError()

def link_order(ids):
    try:
        pid, pos = ids.split("|")
        PYLOAD.orderFile(int(pid), int(pos))
        return {"response": "success"}
    except Exception:
        return HTTPError()

def save_config(category):
    for key, value in request.POST.iteritems():
        try:
            section, option = key.split("|")
        except Exception:
            continue

        if category == "general": category = "core"

        PYLOAD.setConfigValue(section, option, decode(value), category)

def add(request):
    package = request.POST.get('referer', None)
    urls = filter(lambda x: x != "", request.POST['urls'].split("\n"))

    if package:
        PYLOAD.addPackage(package, urls, 0)
    else:
        PYLOAD.generateAndAddPackages(urls, 0)

    return ""

def config():
    conf = PYLOAD.getConfig()
    plugin = PYLOAD.getPluginConfig()
    conf_menu = []
    plugin_menu = []

    for entry in sorted(conf.keys()):
        conf_menu.append((entry, conf[entry].description))

    last_name = None
    for entry in sorted(plugin.keys()):
        desc = plugin[entry].description
        name, none, type = desc.partition("_")

        if type in PYLOAD.core.pluginManager.TYPES:
            if name == last_name or len([a for a, b in plugin.iteritems() if b.description.startswith(name + "_")]) > 1:
                desc = name + " (" + type.title() + ")"
            else:
                desc = name
            last_name = name
        plugin_menu.append((entry, desc))

    accs = PYLOAD.getAccounts(False)

    for data in accs:
        if data.trafficleft == -1:
            data.trafficleft = _("unlimited")
        elif not data.trafficleft:
            data.trafficleft = _("not available")
        else:
            data.trafficleft = formatSize(data.trafficleft)

        if data.validuntil == -1:
            data.validuntil = _("unlimited")
        elif not data.validuntil:
            data.validuntil = _("not available")
        else:
            t = time.localtime(data.validuntil)
            data.validuntil = time.strftime("%d.%m.%Y - %H:%M:%S", t)

        try:
            data.options['time'] = data.options['time'][0]
        except Exception:
            data.options['time'] = "0:00-0:00"

        if "limitDL" in data.options:
            data.options['limitdl'] = data.options['limitDL'][0]
        else:
            data.options['limitdl'] = "0"

    return render_to_response('settings.html',
                              {'conf': {'plugin': plugin_menu, 'general': conf_menu, 'accs': accs},
                               'types': PYLOAD.getAccountTypes()},
                              [pre_processor])

def edit_package():
    try:
        id = int(request.forms.get("pack_id"))
        data = {"name": request.forms.get("pack_name").decode("utf8", "ignore"),
                "folder": request.forms.get("pack_folder").decode("utf8", "ignore"),
                "password": request.forms.get("pack_pws").decode("utf8", "ignore")}

        PYLOAD.setPackageData(id, data)
        return {"response": "success"}

    except Exception:
        return HTTPError()

def addcrypted():
    package = request.forms.get('referer', 'ClickNLoad Package')
    dlc = request.forms['crypted'].replace(" ", "+")

    dlc_path = join(DL_ROOT, package.replace("/", "").replace("\\", "").replace(":", "") + ".dlc")
    with open(dlc_path, "wb") as dlc_file:
        dlc_file.write(dlc)

    try:
        PYLOAD.addPackage(package, [dlc_path], 0)
    except Exception:
        return HTTPError()
    else:
        return "success\r\n"

def packages():
    print "/json/packages"
    try:
        data = PYLOAD.getQueue()

        for package in data:
            package['links'] = []
            for file in PYLOAD.get_package_files(package['id']):
                package['links'].append(PYLOAD.get_file_info(file))

        return data

    except Exception:
        return HTTPError()

def info():
    conf = PYLOAD.getConfigDict()
    extra = os.uname() if hasattr(os, "uname") else tuple()

    data = {"python"   : sys.version,
            "os"       : " ".join((os.name, sys.platform) + extra),
            "version"  : PYLOAD.getServerVersion(),
            "folder"   : os.path.abspath(PYLOAD_DIR), "config": os.path.abspath(""),
            "download" : os.path.abspath(conf['general']['download_folder']['value']),
            "freespace": formatSize(PYLOAD.freeSpace()),
            "remote"   : conf['remote']['port']['value'],
            "webif"    : conf['webui']['port']['value'],
            "language" : conf['general']['language']['value']}

    return render_to_response("info.html", data, [pre_processor])

def flashgot():
    if request.environ['HTTP_REFERER'] not in ("http://localhost:9666/flashgot", "http://127.0.0.1:9666/flashgot"):
        return HTTPError()

    autostart = int(request.forms.get('autostart', 0))
    package = request.forms.get('package', None)
    urls = filter(lambda x: x != "", request.forms['urls'].split("\n"))
    folder = request.forms.get('dir', None)

    if package:
        PYLOAD.addPackage(package, urls, autostart)
    else:
        PYLOAD.generateAndAddPackages(urls, autostart)

    return ""

def set_captcha():
    if request.environ.get('REQUEST_METHOD', "GET") == "POST":
        try:
            PYLOAD.setCaptchaResult(request.forms['cap_id'], request.forms['cap_result'])
        except Exception:
            pass

    task = PYLOAD.getCaptchaTask()

    if task.tid >= 0:
        src = "data:image/%s;base64,%s" % (task.type, task.data)

        return {'captcha': True, 'id': task.tid, 'src': src, 'result_type': task.resultType}
    else:
        return {'captcha': False}

def load_config(category, section):
    conf = None
    if category == "general":
        conf = PYLOAD.getConfigDict()
    elif category == "plugin":
        conf = PYLOAD.getPluginConfigDict()

    for key, option in conf[section].iteritems():
        if key in ("desc", "outline"): continue

        if ";" in option['type']:
            option['list'] = option['type'].split(";")

        option['value'] = decode(option['value'])

    return render_to_response("settings_item.html", {"skey": section, "section": conf[section]})

def downloads():
    root = PYLOAD.getConfigValue("general", "download_folder")

    if not isdir(root):
        return base([_('Download directory not found.')])
    data = {
        'folder': [],
        'files': []
    }

    items = listdir(fs_encode(root))

    for item in sorted([fs_decode(x) for x in items]):
        if isdir(fs_join(root, item)):
            folder = {
                'name': item,
                'path': item,
                'files': []
            }
            files = listdir(fs_join(root, item))
            for file in sorted([fs_decode(x) for x in files]):
                try:
                    if isfile(fs_join(root, item, file)):
                        folder['files'].append(file)
                except Exception:
                    pass

            data['folder'].append(folder)
        elif isfile(join(root, item)):
            data['files'].append(item)

    return render_to_response('downloads.html', {'files': data}, [pre_processor])

def call_api(func, args=""):
    response.headers.replace("Content-type", "application/json")
    response.headers.append("Cache-Control", "no-cache, must-revalidate")

    s = request.environ.get('beaker.session')
    if 'session' in request.POST:
        s = s.get_by_id(request.POST['session'])

    if not s or not s.get("authenticated", False):
        return HTTPError(403, json.dumps("Forbidden"))

    if not PYLOAD.isAuthorized(func, {"role": s['role'], "permission": s['perms']}):
        return HTTPError(401, json.dumps("Unauthorized"))

    args = args.split("/")[1:]
    kwargs = {}

    for x, y in chain(request.GET.iteritems(), request.POST.iteritems()):
        if x == "session":
            continue
        kwargs[x] = unquote(y)

    try:
        return callApi(func, *args, **kwargs)
    except Exception, e:
        traceback.print_exc()
        return HTTPError(500, json.dumps({"error": e.message, "traceback": traceback.format_exc()}))

def package(id):
    try:
        data = toDict(PYLOAD.getPackageData(id))
        data['links'] = [toDict(x) for x in data['links']]

        for pyfile in data['links']:
            if pyfile['status'] == 0:
                pyfile['icon'] = "status_finished.png"
            elif pyfile['status'] in (2, 3):
                pyfile['icon'] = "status_queue.png"
            elif pyfile['status'] in (9, 1):
                pyfile['icon'] = "status_offline.png"
            elif pyfile['status'] == 5:
                pyfile['icon'] = "status_waiting.png"
            elif pyfile['status'] == 8:
                pyfile['icon'] = "status_failed.png"
            elif pyfile['status'] == 4:
                pyfile['icon'] = "arrow_right.png"
            elif pyfile['status'] in (11, 13):
                pyfile['icon'] = "status_proc.png"
            else:
                pyfile['icon'] = "status_downloading.png"

        tmp = data['links']
        tmp.sort(key=get_sort_key)
        data['links'] = tmp
        return data

    except Exception:
        traceback.print_exc()
        return HTTPError()

def change_password():
    user = request.POST['user_login']
    oldpw = request.POST['login_current_password']
    newpw = request.POST['login_new_password']

    if not PYLOAD.changePassword(user, oldpw, newpw):
        print "Wrong password"
        return HTTPError()