# -*- 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/>.
"""
rhodecode.controllers.admin.notifications
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

notifications controller for RhodeCode

:created_on: Nov 23, 2010
:author: marcink
:copyright: (c) 2013 RhodeCode GmbH.
:license: GPLv3, see LICENSE for more details.
"""

import logging
import traceback

from pylons import request
from pylons import tmpl_context as c, url
from pylons.controllers.util import redirect, abort
from webob.exc import HTTPBadRequest

from rhodecode.model.db import Notification
from rhodecode.model.notification import NotificationModel
from rhodecode.model.meta import Session
from rhodecode.lib.auth import LoginRequired, NotAnonymous
from rhodecode.lib.base import BaseController, render
from rhodecode.lib import helpers as h
from rhodecode.lib.helpers import Page
from rhodecode.lib.utils2 import safe_int


log = logging.getLogger(__name__)


class NotificationsController(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('notification', 'notifications', controller='_admin/notifications',
    #         path_prefix='/_admin', name_prefix='_admin_')

    @LoginRequired()
    @NotAnonymous()
    def __before__(self):
        super(NotificationsController, self).__before__()

    def index(self, format='html'):
        """GET /_admin/notifications: All items in the collection"""
        # url('notifications')
        c.user = self.rhodecode_user
        notif = NotificationModel().get_for_user(self.rhodecode_user.user_id,
                                            filter_=request.GET.getall('type'))

        p = safe_int(request.GET.get('page', 1), 1)
        c.notifications = Page(notif, page=p, items_per_page=10)
        c.pull_request_type = Notification.TYPE_PULL_REQUEST
        c.comment_type = [Notification.TYPE_CHANGESET_COMMENT,
                          Notification.TYPE_PULL_REQUEST_COMMENT]

        _current_filter = request.GET.getall('type')
        c.current_filter = 'all'
        if _current_filter == [c.pull_request_type]:
            c.current_filter = 'pull_request'
        elif _current_filter == c.comment_type:
            c.current_filter = 'comment'

        return render('admin/notifications/notifications.html')

    def mark_all_read(self):
        if request.environ.get('HTTP_X_PARTIAL_XHR'):
            nm = NotificationModel()
            # mark all read
            nm.mark_all_read_for_user(self.rhodecode_user.user_id,
                                      filter_=request.GET.getall('type'))
            Session().commit()
            c.user = self.rhodecode_user
            notif = nm.get_for_user(self.rhodecode_user.user_id,
                                    filter_=request.GET.getall('type'))
            c.notifications = Page(notif, page=1, items_per_page=10)
            return render('admin/notifications/notifications_data.html')

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

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

    def update(self, notification_id):
        """PUT /_admin/notifications/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('notification', notification_id=ID),
        #           method='put')
        # url('notification', notification_id=ID)
        try:
            no = Notification.get(notification_id)
            owner = all(un.user.user_id == c.rhodecode_user.user_id
                        for un in no.notifications_to_users)
            if h.HasPermissionAny('hg.admin')() or owner:
                # deletes only notification2user
                NotificationModel().mark_read(c.rhodecode_user.user_id, no)
                Session().commit()
                return 'ok'
        except Exception:
            Session().rollback()
            log.error(traceback.format_exc())
        raise HTTPBadRequest()

    def delete(self, notification_id):
        """DELETE /_admin/notifications/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('notification', notification_id=ID),
        #           method='delete')
        # url('notification', notification_id=ID)
        try:
            no = Notification.get(notification_id)
            owner = any(un.user.user_id == c.rhodecode_user.user_id
                        for un in no.notifications_to_users)
            if h.HasPermissionAny('hg.admin')() or owner:
                # deletes only notification2user
                NotificationModel().delete(c.rhodecode_user.user_id, no)
                Session().commit()
                return 'ok'
        except Exception:
            Session().rollback()
            log.error(traceback.format_exc())
        raise HTTPBadRequest()

    def show(self, notification_id, format='html'):
        """GET /_admin/notifications/id: Show a specific item"""
        # url('notification', notification_id=ID)
        c.user = self.rhodecode_user
        no = Notification.get(notification_id)

        owner = any(un.user.user_id == c.rhodecode_user.user_id
                    for un in no.notifications_to_users)
        repo_admin = h.HasRepoPermissionAny('repository.admin')
        if no and (h.HasPermissionAny('hg.admin')() or repo_admin or owner):
            unotification = NotificationModel()\
                            .get_user_notification(c.user.user_id, no)

            # if this association to user is not valid, we don't want to show
            # this message
            if unotification:
                if not unotification.read:
                    unotification.mark_as_read()
                    Session().commit()
                c.notification = no

                return render('admin/notifications/show_notification.html')

        return abort(403)

    def edit(self, notification_id, format='html'):
        """GET /_admin/notifications/id/edit: Form to edit an existing item"""
        # url('edit_notification', notification_id=ID)