"""
Copyright (C) 2014 Oracle and/or its affiliates. All rights reserved.

This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation, version 2


This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301, USA.

ULN plugin for spacewalk-repo-sync.
"""
# pylint: disable=E0012, C0413
import sys
sys.path.append('/usr/share/rhn')
from up2date_client.rpcServer import RetryServer, ServerList

from spacewalk.satellite_tools.repo_plugins.yum_src import ContentSource as yum_ContentSource
from spacewalk.satellite_tools.syncLib import RhnSyncException

ULNSRC_CONF = '/etc/rhn/spacewalk-repo-sync/uln.conf'
DEFAULT_UP2DATE_URL = "linux-update.oracle.com"


class ContentSource(yum_ContentSource):

    def __init__(self, url, name, org="1", channel_label="", no_mirrors=False, ca_cert_file=None,
                 client_cert_file=None, client_key_file=None):
        if url[:6] != "uln://":
            raise RhnSyncException("url format error, url must start with uln://")
        yum_ContentSource.__init__(self, url, name, yumsrc_conf=ULNSRC_CONF, org=org, channel_label=channel_label,
                                   no_mirrors=no_mirrors, ca_cert_file=ca_cert_file, client_cert_file=client_cert_file,
                                   client_key_file=client_key_file)
        self.uln_url = None
        self.uln_user = None
        self.uln_pass = None
        self.key = None

    def _authenticate(self, url):
        if url.startswith("uln:///"):
            self.uln_url = "https://" + DEFAULT_UP2DATE_URL
            label = url[7:]
        elif url.startswith("uln://"):
            parts = url[6:].split("/")
            self.uln_url = "https://" + parts[0]
            label = parts[1]
        else:
            raise RhnSyncException("url format error, url must start with uln://")
        self.uln_user = self.yumbase.conf.username
        self.uln_pass = self.yumbase.conf.password
        self.url = self.uln_url + "/XMLRPC/GET-REQ/" + label
        print("The download URL is: " + self.url)
        if self.proxy_addr:
            print("Trying proxy " + self.proxy_addr)
        slist = ServerList([self.uln_url+"/rpc/api",])
        s = RetryServer(slist.server(),
                        refreshCallback=None,
                        proxy=self.proxy_addr,
                        username=self.proxy_user,
                        password=self.proxy_pass,
                        timeout=5)
        s.addServerList(slist)
        self.key = s.auth.login(self.uln_user, self.uln_pass)

    def setup_repo(self, repo, *args, **kwargs):
        repo.http_headers = {'X-ULN-Api-User-Key': self.key}
        yum_ContentSource.setup_repo(self, repo, *args, **kwargs)
