from django.contrib import admin
from django.utils.html import format_html
from .models import Photo

@admin.register(Photo)
class PhotoAdmin(admin.ModelAdmin):
    list_display = ('thumbnail_preview', 'content_type', 'content_object', 'caption', 'is_primary', 'created_at')
    list_filter = ('content_type', 'is_primary', 'created_at')
    search_fields = ('caption', 'alt_text')
    readonly_fields = ('thumbnail_preview',)
    
    def thumbnail_preview(self, obj):
        if obj.image:
            return format_html(
                '<img src="{}" style="max-height: 50px; max-width: 100px;" />',
                obj.image.url
            )
        return "No image"
    thumbnail_preview.short_description = 'Thumbnail'