"""cubicweb on appengine plugins for cubicweb-ctl

"""

__docformat__ = "restructuredtext en"

from os.path import exists, join, split, basename, normpath, abspath

from logilab.common.clcommands import register_commands

from cubicweb import CW_SOFTWARE_ROOT, BadCommandUsage

from cubicweb.toolsutils import (Command, copy_skeleton, create_symlink,

                                 create_dir)

from cubicweb.cwconfig import CubicWebConfiguration

def slink_directories():

    import rql, yams, yapps, docutils, roman

    try:

        import json as simplejson

    except ImportError:

        import simplejson

    from logilab import common as lgc

    from logilab import constraint as lgcstr

    from logilab import mtconverter as lgmtc

    dirs = [

        (lgc.__path__[0], 'logilab/common'),

        (lgmtc.__path__[0], 'logilab/mtconverter'),

        (lgcstr.__path__[0], 'logilab/constraint'),

        (rql.__path__[0], 'rql'),

        (simplejson.__path__[0], 'simplejson'),

        (yams.__path__[0], 'yams'),

        (yapps.__path__[0], 'yapps'),

        (docutils.__path__[0], 'docutils'),

        (roman.__file__.replace('.pyc', '.py'), 'roman.py'),

        ('/usr/share/fckeditor/', 'fckeditor'),

        (join(CW_SOFTWARE_ROOT, 'web', 'data'), join('cubes', 'shared', 'data')),

        (join(CW_SOFTWARE_ROOT, 'web', 'wdoc'), join('cubes', 'shared', 'wdoc')),

        (join(CW_SOFTWARE_ROOT, 'i18n'), join('cubes', 'shared', 'i18n')),

        (join(CW_SOFTWARE_ROOT, 'goa', 'tools'), 'tools'),

        (join(CW_SOFTWARE_ROOT, 'goa', 'bin'), 'bin'),

        ]

    try:

        import dateutil

        import vobject

        dirs.extend([ (dateutil.__path__[0], 'dateutil'),

                      (vobject.__path__[0], 'vobject') ] )

    except ImportError:

        pass

    return dirs

COPY_CW_FILES = (

    '__init__.py',

    '__pkginfo__.py',

    '_exceptions.py',

    'appobject.py',

    'dbapi.py',

    'cwvreg.py',

    'cwconfig.py',

    'entity.py',

    'interfaces.py',

    'i18n.py',

    'mail.py',

    'migration.py',

    'mixins.py',

    'mttransforms.py',

    'rqlrewrite.py',

    'rset.py',

    'schema.py',

    'schemaviewer.py',

    'selectors.py',

    'uilib.py',

    'utils.py',

    'vregistry.py',

    'view.py',

    'ext/html4zope.py',

    'ext/rest.py',

    'server/hookhelper.py',

    'server/hooksmanager.py',

    'server/hooks.py',

    'server/migractions.py',

    'server/pool.py',

    'server/querier.py',

    'server/repository.py',

    'server/securityhooks.py',

    'server/session.py',

    'server/serverconfig.py',

    'server/ssplanner.py',

    'server/utils.py',

    'server/sources/__init__.py',

    'entities/__init__.py',

    'entities/authobjs.py',

    'entities/lib.py',

    'entities/schemaobjs.py',

    'entities/wfobjs.py',

    'sobjects/__init__.py',

    'sobjects/notification.py',

# XXX would be necessary for goa.testlib but require more stuff to be added

#     such as server.serverconfig and so on (check devtools.__init__)

#    'devtools/__init__.py',

#    'devtools/fake.py',

    'web/__init__.py',

    'web/_exceptions.py',

    'web/action.py',

    'web/application.py',

    'web/box.py',

    'web/component.py',

    'web/controller.py',

    'web/form.py',

    'web/htmlwidgets.py',

    'web/httpcache.py',

    'web/request.py',

    'web/webconfig.py',

    'web/views/__init__.py',

    'web/views/actions.py',

    'web/views/basecomponents.py',

    'web/views/basecontrollers.py',

    'web/views/baseforms.py',

    'web/views/basetemplates.py',

    'web/views/baseviews.py',

    'web/views/boxes.py',

    'web/views/calendar.py',

    'web/views/error.py',

    'web/views/editcontroller.py',

    'web/views/ibreadcrumbs.py',

    'web/views/idownloadable.py',

    'web/views/magicsearch.py',

    'web/views/management.py',

    'web/views/navigation.py',

    'web/views/startup.py',

    'web/views/vcard.py',

    'web/views/wdoc.py',

    'web/views/urlpublishing.py',

    'web/views/urlrewrite.py',

    'web/views/xbel.py',

    'wsgi/__init__.py',

    'wsgi/handler.py',

    'wsgi/request.py',

    'goa/__init__.py',

    'goa/db.py',

    'goa/dbinit.py',

    'goa/dbmyams.py',

    'goa/goaconfig.py',

    'goa/goavreg.py',

    'goa/gaesource.py',

    'goa/rqlinterpreter.py',

    'goa/appobjects/__init__.py',

    'goa/appobjects/components.py',

    'goa/appobjects/dbmgmt.py',

    'goa/appobjects/gauthservice.py',

    'goa/appobjects/sessions.py',

    'schemas/bootstrap.py',

    'schemas/base.py',

    )

OVERRIDEN_FILES = (

    ('toolsutils.py', 'toolsutils.py'),

    ('mttransforms.py', 'mttransforms.py'),

    ('server__init__.py', 'server/__init__.py'),

    ('rqlannotation.py', 'server/rqlannotation.py'),

    )

def create_init_file(pkgdir, pkgname):

    open(join(pkgdir, '__init__.py'), 'w').write('"""%s pkg"""' % pkgname)

class NewGoogleAppCommand(Command):

    """Create a new google appengine instance.

    <instance directory>

      the path to the appengine instance directory

    """

    name = 'newgapp'

    arguments = '<instance directory>'

    def run(self, args):

        if len(args) != 1:

            raise BadCommandUsage("exactly one argument is expected")

        appldir, = args

        appldir = normpath(abspath(appldir))

        appid = basename(appldir)

        context = {'appname': appid}

        # goa instance'skeleton

        copy_skeleton(join(CW_SOFTWARE_ROOT, 'goa', 'skel'),

                      appldir, context, askconfirm=True)

        # cubicweb core dependencies

        for directory, subdirectory in slink_directories():

            subdirectory = join(appldir, subdirectory)

            if not exists(split(subdirectory)[0]):

                create_dir(split(subdirectory)[0])

            create_symlink(directory, join(appldir, subdirectory))

        create_init_file(join(appldir, 'logilab'), 'logilab')

        # copy supported part of cubicweb

        create_dir(join(appldir, 'cubicweb'))

        for fpath in COPY_CW_FILES:

            target = join(appldir, 'cubicweb', fpath)

            if not exists(split(target)[0]):

                create_dir(split(target)[0])

            create_symlink(join(CW_SOFTWARE_ROOT, fpath), target)

        # overriden files

        for fpath, subfpath in OVERRIDEN_FILES:

            create_symlink(join(CW_SOFTWARE_ROOT, 'goa', 'overrides', fpath),

                           join(appldir, 'cubicweb', subfpath))

        # link every supported components

        packagesdir = join(appldir, 'cubes')

        create_init_file(join(appldir, 'cubes'), 'cubes')

        for include in ('addressbook','basket', 'blog','folder',

                        'tag', 'comment', 'file', 'link',

                        'mailinglist', 'person', 'task', 'zone',

                        ):

            create_symlink(CubicWebConfiguration.cube_dir(include),

                           join(packagesdir, include))

        # generate sample config

        from cubicweb.goa.goaconfig import GAEConfiguration

        from cubicweb.migration import MigrationHelper

        config = GAEConfiguration(appid, appldir)

        if exists(config.main_config_file()):

            mih = MigrationHelper(config)

            mih.rewrite_configuration()

        else:

            config.save()

register_commands((NewGoogleAppCommand,

                   ))