from django.contrib import admin

from .models import AuditLog, ModerationRequest


@admin.register(ModerationRequest)
class ModerationRequestAdmin(admin.ModelAdmin):
    list_display = (
        'content_type', 'object_id', 'get_user', 'decision',
        'moderator', 'created_at', 'decided_at',
    )
    list_filter = ('decision', 'content_type')
    search_fields = ('comment', 'user__username', 'user__full_name')

    @admin.display(description='Пользователь')
    def get_user(self, obj):
        """Пользователь из поля user, либо выводимый из сущности."""
        if obj.user:
            return obj.user
        entity = obj.entity
        if entity is None:
            return None
        for attr in ('user', 'author'):
            if hasattr(entity, attr):
                return getattr(entity, attr)
        if hasattr(entity, 'brand'):
            return entity.brand.user
        return None


@admin.register(AuditLog)
class AuditLogAdmin(admin.ModelAdmin):
    list_display = ('created_at', 'user', 'action', 'object_repr')
    list_filter = ('action',)
    search_fields = ('action', 'object_repr')
    readonly_fields = ('created_at',)