# -*- coding: utf-8 -*-
# Copyright (C) 2014-2016 Andrey Antukh <niwi@niwi.nz>
# Copyright (C) 2014-2016 Jesús Espino <jespinog@gmail.com>
# Copyright (C) 2014-2016 David Barragán <bameda@dbarragan.com>
# Copyright (C) 2014-2016 Alejandro Alonso <alejandro.alonso@kaleidos.net>
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

from django.contrib import admin
from django.contrib.contenttypes.admin import GenericTabularInline

from . import models


class AttachmentAdmin(admin.ModelAdmin):
    list_display = ["id", "project", "attached_file", "owner", "content_type", "content_object"]
    list_display_links = ["id", "attached_file",]
    search_fields = ["id", "attached_file", "project__name", "project__slug"]
    raw_id_fields = ["project"]

    def get_object(self, *args, **kwargs):
        self.obj = super().get_object(*args, **kwargs)
        return self.obj

    def formfield_for_foreignkey(self, db_field, request, **kwargs):
        if (db_field.name in ["owner"]and getattr(self, 'obj', None)):
            kwargs["queryset"] = db_field.related.model.objects.filter(
                                         memberships__project=self.obj.project)
        return super().formfield_for_foreignkey(db_field, request, **kwargs)


class AttachmentInline(GenericTabularInline):
     model = models.Attachment
     fields = ("attached_file", "owner")
     extra = 0


admin.site.register(models.Attachment, AttachmentAdmin)