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# blog/admin.py — actions, inlines, and fieldsets
from django.contrib import admin
from django.utils import timezone
from .models import Post, Comment

# --- Inline for comments ---
class CommentInline(admin.TabularInline):
    model       = Comment
    extra       = 0
    readonly_fields = ['author', 'body', 'created_at']
    can_delete  = True

# --- Custom admin action ---
@admin.action(description='Mark selected posts as published')
def make_published(modeladmin, request, queryset):
    updated = queryset.update(status=Post.STATUS_PUBLISHED, published_at=timezone.now())
    modeladmin.message_user(request, f'{updated} post(s) marked as published.')

@admin.register(Post)
class PostAdmin(admin.ModelAdmin):
    actions  = [make_published]
    inlines  = [CommentInline]

fieldsets = (
        (None, {
            'fields': ('title', 'slug', 'author', 'category', 'tags'),
        }),
        ('Content', {
            'fields': ('body', 'cover_img'),
        }),
        ('Publishing', {
            'classes': ('collapse',),
            'fields':  ('status', 'published_at'),
        }),
    )

readonly_fields = ['created_at', 'updated_at']