# -*- coding: utf-8 -*-
"""
    rhodecode.controllers.admin.permissions
    ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

    permissions controller for Rhodecode

    :created_on: Apr 27, 2010
    :author: marcink
    :copyright: (C) 2009-2011 Marcin Kuzminski <marcin@python-works.com>
    :license: GPLv3, see COPYING for more details.
"""
# 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/>.

from formencode import htmlfill
from pylons import request, session, tmpl_context as c, url
from pylons.controllers.util import abort, redirect
from pylons.i18n.translation import _
from rhodecode.lib import helpers as h
from rhodecode.lib.auth import LoginRequired, HasPermissionAllDecorator
from rhodecode.lib.auth_ldap import LdapImportError
from rhodecode.lib.base import BaseController, render
from rhodecode.model.forms import LdapSettingsForm, DefaultPermissionsForm
from rhodecode.model.permission import PermissionModel
from rhodecode.model.settings import SettingsModel
from rhodecode.model.user import UserModel
import formencode
import logging
import traceback

log = logging.getLogger(__name__)


class PermissionsController(BaseController):
    """REST Controller styled on the Atom Publishing Protocol"""
    # To properly map this controller, ensure your config/routing.py
    # file has a resource setup:
    #     map.resource('permission', 'permissions')

    @LoginRequired()
    @HasPermissionAllDecorator('hg.admin')
    def __before__(self):
        c.admin_user = session.get('admin_user')
        c.admin_username = session.get('admin_username')
        super(PermissionsController, self).__before__()

        self.perms_choices = [('repository.none', _('None'),),
                              ('repository.read', _('Read'),),
                              ('repository.write', _('Write'),),
                              ('repository.admin', _('Admin'),)]
        self.register_choices = [
            ('hg.register.none',
                _('disabled')),
            ('hg.register.manual_activate',
                _('allowed with manual account activation')),
            ('hg.register.auto_activate',
                _('allowed with automatic account activation')), ]

        self.create_choices = [('hg.create.none', _('Disabled')),
                               ('hg.create.repository', _('Enabled'))]

    def index(self, format='html'):
        """GET /permissions: All items in the collection"""
        # url('permissions')

    def create(self):
        """POST /permissions: Create a new item"""
        # url('permissions')

    def new(self, format='html'):
        """GET /permissions/new: Form to create a new item"""
        # url('new_permission')

    def update(self, id):
        """PUT /permissions/id: Update an existing item"""
        # Forms posted to this method should contain a hidden field:
        #    <input type="hidden" name="_method" value="PUT" />
        # Or using helpers:
        #    h.form(url('permission', id=ID),
        #           method='put')
        # url('permission', id=ID)

        permission_model = PermissionModel()

        _form = DefaultPermissionsForm([x[0] for x in self.perms_choices],
                                       [x[0] for x in self.register_choices],
                                       [x[0] for x in self.create_choices])()

        try:
            form_result = _form.to_python(dict(request.POST))
            form_result.update({'perm_user_name': id})
            permission_model.update(form_result)
            h.flash(_('Default permissions updated successfully'),
                    category='success')

        except formencode.Invalid, errors:
            c.perms_choices = self.perms_choices
            c.register_choices = self.register_choices
            c.create_choices = self.create_choices
            defaults = errors.value

            return htmlfill.render(
                render('admin/permissions/permissions.html'),
                defaults=defaults,
                errors=errors.error_dict or {},
                prefix_error=False,
                encoding="UTF-8")
        except Exception:
            log.error(traceback.format_exc())
            h.flash(_('error occurred during update of permissions'),
                    category='error')

        return redirect(url('edit_permission', id=id))

    def delete(self, id):
        """DELETE /permissions/id: Delete an existing item"""
        # Forms posted to this method should contain a hidden field:
        #    <input type="hidden" name="_method" value="DELETE" />
        # Or using helpers:
        #    h.form(url('permission', id=ID),
        #           method='delete')
        # url('permission', id=ID)

    def show(self, id, format='html'):
        """GET /permissions/id: Show a specific item"""
        # url('permission', id=ID)

    def edit(self, id, format='html'):
        """GET /permissions/id/edit: Form to edit an existing item"""
        #url('edit_permission', id=ID)
        c.perms_choices = self.perms_choices
        c.register_choices = self.register_choices
        c.create_choices = self.create_choices

        if id == 'default':
            default_user = UserModel().get_by_username('default')
            defaults = {'_method': 'put',
                        'anonymous': default_user.active}

            for p in default_user.user_perms:
                if p.permission.permission_name.startswith('repository.'):
                    defaults['default_perm'] = p.permission.permission_name

                if p.permission.permission_name.startswith('hg.register.'):
                    defaults['default_register'] = p.permission.permission_name

                if p.permission.permission_name.startswith('hg.create.'):
                    defaults['default_create'] = p.permission.permission_name

            return htmlfill.render(
                        render('admin/permissions/permissions.html'),
                        defaults=defaults,
                        encoding="UTF-8",
                        force_defaults=True,)
        else:
            return redirect(url('admin_home'))