# -*- coding: utf-8 -*-
#
# This file is part of SENAITE.CORE.
#
# SENAITE.CORE 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, version 2.
#
# 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, write to the Free Software Foundation, Inc., 51
# Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
#
# Copyright 2018-2019 by it's authors.
# Some rights reserved, see README and LICENSE.

from bika.lims import bikaMessageFactory as _
from Products.CMFCore.utils import getToolByName


def checkUserAccess(worksheet, request, redirect=True):
    """ Checks if the current user has granted access to the worksheet.
        If the user is an analyst without LabManager, LabClerk and
        RegulatoryInspector roles and the option 'Allow analysts
        only to access to the Worksheets on which they are assigned' is
        ticked and the above condition is true, it will redirect to
        the main Worksheets view.
        Returns False if the user has no access, otherwise returns True
    """
    # Deny access to foreign analysts
    allowed = worksheet.checkUserAccess()
    if allowed == False and redirect == True:
        msg =  _('You do not have sufficient privileges to view '
                 'the worksheet ${worksheet_title}.',
                 mapping={"worksheet_title": worksheet.Title()})
        worksheet.plone_utils.addPortalMessage(msg, 'warning')
        # Redirect to WS list
        portal = getToolByName(worksheet, 'portal_url').getPortalObject()
        destination_url = portal.absolute_url() + "/worksheets"
        request.response.redirect(destination_url)

    return allowed

def checkUserManage(worksheet, request, redirect=True):
    """ Checks if the current user has granted access to the worksheet
        and if has also privileges for managing it. If the user has no
        granted access and redirect's value is True, redirects to
        /manage_results view. Otherwise, does nothing
    """
    allowed = worksheet.checkUserManage()
    if allowed == False and redirect == True:
        # Redirect to /manage_results view
        destination_url = worksheet.absolute_url() + "/manage_results"
        request.response.redirect(destination_url)

def showRejectionMessage(worksheet):
    """ Adds a portalMessage if
        a) the worksheet has been rejected and replaced by another or
        b) if the worksheet is the replacement of a rejected worksheet.
        Otherwise, does nothing.
    """
    if hasattr(worksheet, 'replaced_by'):
        uc = getToolByName(worksheet, 'uid_catalog')
        uid = getattr(worksheet, 'replaced_by')
        _ws = uc(UID=uid)[0].getObject()
        msg = _("This worksheet has been rejected.  The replacement worksheet is ${ws_id}",
                mapping={'ws_id':_ws.getId()})
        worksheet.plone_utils.addPortalMessage(msg)
    if hasattr(worksheet, 'replaces_rejected_worksheet'):
        uc = getToolByName(worksheet, 'uid_catalog')
        uid = getattr(worksheet, 'replaces_rejected_worksheet')
        _ws = uc(UID=uid)[0].getObject()
        msg = _("This worksheet has been created to replace the rejected "
                "worksheet at ${ws_id}",
                mapping={'ws_id':_ws.getId()})
        worksheet.plone_utils.addPortalMessage(msg)
