__copyright__ = "Copyright 2017 Birkbeck, University of London"
__author__ = "Martin Paul Eve, Andy Byers & Mauro Sanchez"
__license__ = "AGPL v3"
__maintainer__ = "Birkbeck Centre for Technology and Publishing"

from django.contrib import admin
from django.template.defaultfilters import truncatewords_html
from utils import admin_utils
from discussion import models


class ThreadAdmin(admin_utils.ArticleFKModelAdmin):
    list_display = ("pk", "subject", "owner", "started", "object_title", "_journal")
    list_filter = ("article__journal", "subject", "started", "last_updated")
    search_fields = (
        "pk",
        "article__title",
        "preprint__title",
        "subject",
        "owner__first_name",
        "owner__last_name",
        "owner__email",
        "post__body",
    )
    raw_id_fields = ("owner", "article", "preprint")

    inlines = [admin_utils.PostInline]


class PostAdmin(admin.ModelAdmin):
    list_display = ("_post", "thread", "owner", "posted", "_journal")
    list_filter = ("thread__article__journal", "posted")
    search_fields = (
        "pk",
        "body",
        "thread__subject",
        "owner__first_name",
        "owner__last_name",
        "owner__email",
    )
    raw_id_fields = (
        "thread",
        "owner",
    )
    filter_horizontal = ("read_by",)
    save_as = True
    date_hierarchy = "posted"

    def _post(self, obj):
        return truncatewords_html(obj.body, 10) if obj else ""

    def _journal(self, obj):
        return obj.thread.article.journal if obj else ""


admin_list = [
    (models.Thread, ThreadAdmin),
    (models.Post, PostAdmin),
]

[admin.site.register(*t) for t in admin_list]