here we go

parks/admin.py

@@ -1,19 +1,49 @@
 from django.contrib import admin
+from django.utils.html import format_html
 from simple_history.admin import SimpleHistoryAdmin
 from .models import Park, ParkArea
 
-@admin.register(Park)
 class ParkAdmin(SimpleHistoryAdmin):
-    list_display = ('name', 'location', 'owner', 'status', 'opening_date')
-    list_filter = ('status', 'owner')
+    list_display = ('name', 'location', 'status', 'owner', 'created_at', 'updated_at')
+    list_filter = ('status', 'country', 'region', 'city')
     search_fields = ('name', 'location', 'description')
+    readonly_fields = ('created_at', 'updated_at')
     prepopulated_fields = {'slug': ('name',)}
-    readonly_fields = ('id', 'created_at', 'updated_at')
 
-@admin.register(ParkArea)
+    def get_history_list_display(self, request):
+        """Customize the list display for history records"""
+        return ('name', 'location', 'status', 'history_date', 'history_user')
+
 class ParkAreaAdmin(SimpleHistoryAdmin):
-    list_display = ('name', 'park', 'opening_date')
+    list_display = ('name', 'park', 'created_at', 'updated_at')
     list_filter = ('park',)
-    search_fields = ('name', 'description')
+    search_fields = ('name', 'description', 'park__name')
+    readonly_fields = ('created_at', 'updated_at')
     prepopulated_fields = {'slug': ('name',)}
-    readonly_fields = ('id', 'created_at', 'updated_at')
+
+    def get_history_list_display(self, request):
+        """Customize the list display for history records"""
+        return ('name', 'park', 'history_date', 'history_user')
+
+# Register the models with their admin classes
+admin.site.register(Park, ParkAdmin)
+admin.site.register(ParkArea, ParkAreaAdmin)
+
+# Register the historical records for direct editing
+from simple_history.models import HistoricalRecords
+from .models import Park
+
+class HistoricalParkAdmin(admin.ModelAdmin):
+    list_display = ('name', 'location', 'status', 'history_date', 'history_user', 'history_type')
+    list_filter = ('status', 'country', 'region', 'city', 'history_type')
+    search_fields = ('name', 'location', 'description')
+    readonly_fields = ('history_date', 'history_type', 'history_id')
+    
+    def has_add_permission(self, request):
+        return False  # Prevent adding new historical records directly
+    
+    def has_delete_permission(self, request, obj=None):
+        return False  # Prevent deleting historical records
+
+# Register the historical model
+admin.site.register(Park.history.model, HistoricalParkAdmin)