# -*- 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.

import collections
from operator import itemgetter

from bika.lims import api
from bika.lims import bikaMessageFactory as _
from bika.lims.browser.bika_listing import BikaListingView
from bika.lims.browser.worksheet.tools import showRejectionMessage
from bika.lims.permissions import EditWorksheet
from bika.lims.permissions import ManageWorksheets
from bika.lims.utils import get_link
from plone.memoize import view
from plone.protect import CheckAuthenticator


class AddDuplicateView(BikaListingView):
    """Categorize Analyses by Slot/AR
    """

    def __init__(self, context, request):
        super(AddDuplicateView, self).__init__(context, request)

        self.catalog = "bika_analysis_catalog"
        self.contentFilter = {
            "portal_type": "Analysis",
            "getWorksheetUID": "",
        }

        self.icon = "{}/{}".format(
            self.portal_url,
            "/++resource++bika.lims.images/worksheet_big.png"
        )

        self.context_actions = {}
        self.title = _("Add Duplicate")

        self.show_select_row = False
        self.show_select_all_checkbox = False
        self.show_column_toggles = False
        self.show_select_column = True
        self.pagesize = 999999
        self.allow_edit = True
        self.show_search = False
        self.show_categories = False

        self.columns = collections.OrderedDict((
            ("Position", {
                "title": _("Position"),
                "sortable": False}),
            ("RequestID", {
                "title": _("Request ID"),
                "sortable": False}),
            ("Client", {
                "title": _("Client"),
                "sortable": False}),
            ("created", {
                "title": _("Date Requested"),
                "sortable": False}),

        ))

        self.review_states = [
            {
                "id": "default",
                "title": _("All"),
                "contentFilter": {},
                "transitions": [{"id": "add"}],
                "custom_transitions": [
                    {
                        "id": "add",
                        "title": _("Add"),
                        "url": self.__name__,
                    }
                ],
                "columns": self.columns.keys()
            },
        ]

    def __call__(self):
        template = super(AddDuplicateView, self).__call__()
        # TODO: Refactor Worfklow
        grant = self.is_edit_allowed() and self.is_manage_allowed()
        if not grant:
            redirect_url = api.get_url(self.context)
            return self.request.response.redirect(redirect_url)
        # TODO: Refactor this function call
        showRejectionMessage(self.context)
        # Handle form submission
        if self.request.form.get("submitted"):
            CheckAuthenticator(self.request)
            self.handle_submit()
        return template

    def handle_submit(self):
        """Handle form submission
        """
        form = self.request.form
        # Selected AR UIDs
        uids = form.get("uids")
        container_mapping = self.get_container_mapping()
        for uid in uids:
            src_pos = container_mapping[uid]
            self.context.addDuplicateAnalyses(src_pos)
        redirect_url = "{}/{}".format(
            api.get_url(self.context), "manage_results")
        self.request.response.redirect(redirect_url)

    @view.memoize
    def is_edit_allowed(self):
        """Check if edit is allowed
        """
        checkPermission = self.context.portal_membership.checkPermission
        return checkPermission(EditWorksheet, self.context)

    @view.memoize
    def is_manage_allowed(self):
        """Check if manage is allowed
        """
        checkPermission = self.context.portal_membership.checkPermission
        return checkPermission(ManageWorksheets, self.context)

    @view.memoize
    def get_container_mapping(self):
        """Returns a mapping of container -> postition
        """
        layout = self.context.getLayout()
        container_mapping = {}
        for slot in layout:
            if slot["type"] != "a":
                continue
            position = slot["position"]
            container_uid = slot["container_uid"]
            container_mapping[container_uid] = position
        return container_mapping

    def folderitems(self):
        """Custom folderitems for Worksheet ARs
        """
        items = []
        for ar, pos in self.get_container_mapping().items():
            ar = api.get_object_by_uid(ar)
            ar_id = api.get_id(ar)
            ar_uid = api.get_uid(ar)
            ar_url = api.get_url(ar)
            ar_title = api.get_title(ar)
            url = api.get_url(ar)
            client = ar.getClient()
            client_url = api.get_url(client)
            client_title = api.get_title(client)

            item = {
                "obj": ar,
                "id": ar_id,
                "uid": ar_uid,
                "title": ar_title,
                "type_class": "contenttype-AnalysisRequest",
                "url": url,
                "relative_url": url,
                "view_url": url,
                "Position": pos,
                "RequestID": ar_id,
                "Client": client_title,
                "created": self.ulocalized_time(ar.created(), long_format=1),
                "replace": {
                    "Client": get_link(client_url, value=client_title),
                    "RequestID": get_link(ar_url, value=ar_title),
                },
                "before": {},
                "after": {},
                "choices": {},
                "class": {},
                "state_class": "state-active",
                "allow_edit": [],
                "required": [],
            }
            items.append(item)
        items = sorted(items, key=itemgetter("Position"))
        return items
