from django.contrib.admin import register
from django.db.models import TextField
from django.utils.html import format_html
from django.utils.translation import gettext_lazy as _
from unfold.admin import ModelAdmin
from unfold_markdown import MarkdownWidget

from engine.blog.models import Post, PostTag
from engine.core.admin import ActivationActionsMixin, FieldsetsMixin


@register(Post)
class PostAdmin(FieldsetsMixin, ActivationActionsMixin, ModelAdmin):
    list_display = ("title", "author", "slug", "created", "modified")
    list_filter = ("author", "tags", "created", "modified")
    search_fields = ("title", "content", "slug")
    filter_horizontal = ("tags",)
    date_hierarchy = "created"
    autocomplete_fields = ("tags",)
    formfield_overrides = {TextField: {"widget": MarkdownWidget}}
    readonly_fields = (
        "uuid",
        "slug",
        "modified",
        "created",
        "blogpic_preview",
    )

    general_fields = [
        "title",
        "content",
        "file",
        "blogpic",
        "blogpic_preview",
    ]
    relation_fields = [
        "author",
        "tags",
    ]

    def blogpic_preview(self, obj: Post):
        if obj.blogpic:
            return format_html(
                '<img src="{}" style="max-width:400px;max-height:300px;object-fit:contain">',
                obj.blogpic.url,
            )
        return "—"

    blogpic_preview.short_description = _("picture preview")  # ty:ignore[unresolved-attribute]


@register(PostTag)
class PostTagAdmin(ModelAdmin):
    list_display = ("tag_name", "name")
    search_fields = ("tag_name", "name")
    ordering = ("tag_name",)