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

"""

    rhodecode.controllers.settings

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

    Settings controller for rhodecode

    :created_on: Jun 30, 2010

    :author: marcink

    :copyright: (C) 2010-2012 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/>.

import logging

import traceback

import formencode

from formencode import htmlfill

from pylons import tmpl_context as c, request, url

from pylons.controllers.util import redirect

from pylons.i18n.translation import _

import rhodecode.lib.helpers as h

from rhodecode.lib.auth import LoginRequired, HasRepoPermissionAllDecorator,\

    HasRepoPermissionAnyDecorator

from rhodecode.lib.base import BaseRepoController, render

from rhodecode.lib.utils import invalidate_cache, action_logger

from rhodecode.model.forms import RepoSettingsForm

from rhodecode.model.repo import RepoModel

from rhodecode.model.db import RepoGroup, Repository

from rhodecode.model.meta import Session

from rhodecode.model.scm import ScmModel

log = logging.getLogger(__name__)

class SettingsController(BaseRepoController):

    @LoginRequired()

    def __before__(self):

        super(SettingsController, self).__before__()

    def __load_defaults(self):

        c.repo_groups = RepoGroup.groups_choices(check_perms=True)

        c.repo_groups_choices = map(lambda k: unicode(k[0]), c.repo_groups)

        repo_model = RepoModel()

        c.users_array = repo_model.get_users_js()

        c.users_groups_array = repo_model.get_users_groups_js()

        choices, c.landing_revs = ScmModel().get_repo_landing_revs()

        c.landing_revs_choices = choices

    @HasRepoPermissionAllDecorator('repository.admin')

    def index(self, repo_name):

        repo_model = RepoModel()

        c.repo_info = repo = repo_model.get_by_repo_name(repo_name)

        if not repo:

            h.flash(_('%s repository is not mapped to db perhaps'

                      ' it was created or renamed from the file system'

                      ' please run the application again'

                      ' in order to rescan repositories') % repo_name,

                      category='error')

            return redirect(url('home'))

        self.__load_defaults()

        defaults = RepoModel()._get_defaults(repo_name)

        return htmlfill.render(

            render('settings/repo_settings.html'),

            defaults=defaults,

            encoding="UTF-8",

            force_defaults=False

        )

    @HasRepoPermissionAllDecorator('repository.admin')

    def update(self, repo_name):

        repo_model = RepoModel()

        changed_name = repo_name

        self.__load_defaults()

        _form = RepoSettingsForm(edit=True,

                                 old_data={'repo_name': repo_name},

                                 repo_groups=c.repo_groups_choices,

                                 landing_revs=c.landing_revs_choices)()

        try:

            form_result = _form.to_python(dict(request.POST))

            repo_model.update(repo_name, form_result)

            invalidate_cache('get_repo_cached_%s' % repo_name)

            h.flash(_('Repository %s updated successfully') % repo_name,

                    category='success')

            changed_name = form_result['repo_name_full']

            action_logger(self.rhodecode_user, 'user_updated_repo',

                          changed_name, self.ip_addr, self.sa)

            Session().commit()

        except formencode.Invalid, errors:

            c.repo_info = repo_model.get_by_repo_name(repo_name)

            c.users_array = repo_model.get_users_js()

            errors.value.update({'user': c.repo_info.user.username})

            return htmlfill.render(

                render('settings/repo_settings.html'),

                defaults=errors.value,

                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 repository %s') \

                    % repo_name, category='error')

        return redirect(url('repo_settings_home', repo_name=changed_name))

    @HasRepoPermissionAllDecorator('repository.admin')

    def delete(self, repo_name):

        """DELETE /repos/repo_name: 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('repo_settings_delete', repo_name=ID),

        #           method='delete')

        # url('repo_settings_delete', repo_name=ID)

        repo_model = RepoModel()

        repo = repo_model.get_by_repo_name(repo_name)

        if not repo:

            h.flash(_('%s repository is not mapped to db perhaps'

                      ' it was moved or renamed  from the filesystem'

                      ' please run the application again'

                      ' in order to rescan repositories') % repo_name,

                      category='error')

            return redirect(url('home'))

        try:

            action_logger(self.rhodecode_user, 'user_deleted_repo',

                              repo_name, self.ip_addr, self.sa)

            repo_model.delete(repo)

            invalidate_cache('get_repo_cached_%s' % repo_name)

            h.flash(_('deleted repository %s') % repo_name, category='success')

            Session().commit()

        except Exception:

            log.error(traceback.format_exc())

            h.flash(_('An error occurred during deletion of %s') % repo_name,

                    category='error')

    @HasRepoPermissionAnyDecorator('repository.write', 'repository.admin')

    def toggle_locking(self, repo_name):

        """

        Toggle locking of repository by simple GET call to url

        :param repo_name:

        """

        try:

            repo = Repository.get_by_repo_name(repo_name)

            if repo.enable_locking:

                if repo.locked[0]:

                    Repository.unlock(repo)

                    action = _('unlocked')

                else:

                    Repository.lock(repo, c.rhodecode_user.user_id)

                    action = _('locked')

                h.flash(_('Repository has been %s') % action,

                        category='success')

        except Exception, e:

            log.error(traceback.format_exc())

            h.flash(_('An error occurred during unlocking'),

                    category='error')

        return redirect(url('summary_home', repo_name=repo_name))