# -*- coding: utf-8 -*-

# 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, either version 3 of the License, or

# (at your option) any later version.

#

# 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, see <http://www.gnu.org/licenses/>.

"""

kallithea.lib.paster_commands.install_iis

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

IIS installation tools for Kallithea

"""

import os

import sys

from kallithea.lib.paster_commands.common import BasePasterCommand

dispath_py_template = '''\

# Created by Kallithea 'gearbox install-iis'

import sys

if hasattr(sys, "isapidllhandle"):

    import win32traceutil

import isapi_wsgi

import os

def __ExtensionFactory__():

    from paste.deploy import loadapp

    from paste.script.util.logging_config import fileConfig

    fileConfig('%(inifile)s')

    application = loadapp('config:%(inifile)s')

    def app(environ, start_response):

        user = environ.get('REMOTE_USER', None)

        if user is not None:

            os.environ['REMOTE_USER'] = user

        return application(environ, start_response)

    return isapi_wsgi.ISAPIThreadPoolHandler(app)

if __name__=='__main__':

    from isapi.install import *

    params = ISAPIParameters()

    sm = [ScriptMapParams(Extension="*", Flags=0)]

    vd = VirtualDirParameters(Name="%(virtualdir)s",

                              Description = "Kallithea",

                              ScriptMaps = sm,

                              ScriptMapUpdate = "replace")

    params.VirtualDirs = [vd]

    HandleCommandLine(params)

'''

class Command(BasePasterCommand):

    '''Kallithea: Install into IIS using isapi-wsgi'''

    requires_db_session = False

    def take_action(self, args):

        config_file = os.path.abspath(args.config_file)

        try:

            import isapi_wsgi

        except ImportError:

            self.error('missing requirement: isapi-wsgi not installed')

        dispatchfile = os.path.join(os.getcwd(), 'dispatch.py')

        print 'Writing %s' % dispatchfile

        self.ensure_file(dispatchfile, dispath_py_template % {

                'inifile': config_file.replace('\\', '\\\\'),

                'virtualdir': args.virtualdir,

                }, False)

        print ('Run \'python "%s" install\' with administrative privileges '

            'to generate the _dispatch.dll file and install it into the '

            'default web site') % (dispatchfile,)

    def get_parser(self, prog_name):

        parser = super(Command, self).get_parser(prog_name)

        parser.add_argument('--virtualdir',

                      action='store',

                      dest='virtualdir',

                      default='/',

                      help='The virtual folder to install into on IIS')

        return parser