#
# Chris Lumens <clumens@redhat.com>
#
# Copyright 2005, 2006, 2007 Red Hat, Inc.
#
# This copyrighted material is made available to anyone wishing to use, modify,
# copy, or redistribute it subject to the terms and conditions of the GNU
# General Public License v.2.  This program is distributed in the hope that it
# will be useful, but WITHOUT ANY WARRANTY expressed or implied, including the
# implied warranties 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.  Any Red Hat
# trademarks that are incorporated in the source code or documentation are not
# subject to the GNU General Public License and may only be used or replicated
# with the express permission of Red Hat, Inc. 
#
from pykickstart.base import KickstartCommand
from pykickstart.errors import KickstartValueError, formatErrorMsg
from pykickstart.options import KSOptionParser

import gettext
_ = lambda x: gettext.ldgettext("pykickstart", x)

class FC3_Vnc(KickstartCommand):
    removedKeywords = KickstartCommand.removedKeywords
    removedAttrs = KickstartCommand.removedAttrs

    def __init__(self, writePriority=0, *args, **kwargs):
        KickstartCommand.__init__(self, writePriority, *args, **kwargs)
        self.op = self._getParser()

        self.enabled = kwargs.get("enabled", False)
        self.password = kwargs.get("password", "")
        self.connect = kwargs.get("connect", "")

    def __str__(self):
        retval = KickstartCommand.__str__(self)

        if not self.enabled:
            return retval

        retval += "vnc"

        if self.connect != "":
            retval += " --connect=%s" % self.connect
        if self.password != "":
            retval += " --password=%s" % self.password

        return retval + "\n"

    def _getParser(self):
        op = KSOptionParser()
        op.add_option("--connect")
        op.add_option("--password", dest="password")
        return op

    def parse(self, args):
        self.enabled = True
        (opts, _extra) = self.op.parse_args(args=args, lineno=self.lineno)
        self._setToSelf(self.op, opts)
        return self

class FC6_Vnc(FC3_Vnc):
    removedKeywords = FC3_Vnc.removedKeywords + ["connect"]
    removedAttrs = FC3_Vnc.removedAttrs + ["connect"]

    def __init__(self, writePriority=0, *args, **kwargs):
        FC3_Vnc.__init__(self, writePriority, *args, **kwargs)
        self.deleteRemovedAttrs()

        self.host = kwargs.get("host", "")
        self.port = kwargs.get("port", "")

    def __str__(self):
        retval = KickstartCommand.__str__(self)

        if not self.enabled:
            return retval

        retval += "vnc"

        if self.host != "":
            retval += " --host=%s" % self.host

            if self.port != "":
                retval += " --port=%s" % self.port
        if self.password != "":
            retval += " --password=%s" % self.password

        return retval + "\n"

    def _getParser(self):
        def connect_cb (option, opt_str, value, parser):
            cargs = value.split(":")
            parser.values.ensure_value("host", cargs[0])

            if len(cargs) > 1:
                parser.values.ensure_value("port", cargs[1])

        op = FC3_Vnc._getParser(self)
        op.add_option("--connect", action="callback", callback=connect_cb,
                      nargs=1, type="string")
        op.add_option("--host", dest="host")
        op.add_option("--port", dest="port")
        return op

class F9_Vnc(FC6_Vnc):
    removedKeywords = FC6_Vnc.removedKeywords
    removedAttrs = FC6_Vnc.removedAttrs

    def _getParser(self):
        op = FC6_Vnc._getParser(self)
        op.remove_option("--connect")
        return op

class RHEL7_Vnc(F9_Vnc):
    def parse(self, args):
        F9_Vnc.parse(self, args)

        if self.password and not 5 < len(self.password) < 9:
            raise KickstartValueError(formatErrorMsg(self.lineno,
                                                     msg=_("VNC password must be six to eight characters long")))

        return self
