#pragma once

#include "CoreMinimal.h"
#include "MCPHandler.h"
#include "MCPUtils.h"
#include "Class_ShowProperties.generated.h"


// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------
// ---------------------------------------------------------------------------

UCLASS()
class UMCP_Class_ShowProperties : public UObject, public IMCPHandler
{
	GENERATED_BODY()

public:
	UPROPERTY(meta=(Description="Class name to list properties for"))
	FString ClassName;

	UPROPERTY(meta=(Optional, Description="Substring filter for property names"))
	FString Query;

	virtual FString GetDescription() const override
	{
		return TEXT("List properties on a UClass, including type, owning class, and property flags.");
	}

	virtual void Handle(FStringBuilderBase& Result) override
	{
		UClass* FoundClass = MCPUtils::FindClassByName(ClassName);
		if (!FoundClass)
		{
			Result.Appendf(TEXT("ERROR: Class '%s' not found\n"), *ClassName);
			return;
		}

		Result.Appendf(TEXT("Properties of %s:\n"), *MCPUtils::FormatName(FoundClass));

		int32 Count = 0;
		for (TFieldIterator<FProperty> PropIt(FoundClass); PropIt; ++PropIt)
		{
			FProperty* Prop = *PropIt;
			if (!Prop) continue;

			FString PropName = Prop->GetName();

			if (!Query.IsEmpty() && !PropName.Contains(Query, ESearchCase::IgnoreCase))
				continue;

			// Build compact flags string
			TStringBuilder<256> Flags;
			if (Prop->HasAnyPropertyFlags(CPF_BlueprintVisible)) Flags.Append(TEXT(" BlueprintVisible"));
			if (Prop->HasAnyPropertyFlags(CPF_BlueprintReadOnly)) Flags.Append(TEXT(" BlueprintReadOnly"));
			if (Prop->HasAnyPropertyFlags(CPF_Edit)) Flags.Append(TEXT(" EditAnywhere"));
			if (Prop->HasAnyPropertyFlags(CPF_EditConst)) Flags.Append(TEXT(" VisibleOnly"));
			if (Prop->HasAnyPropertyFlags(CPF_Config)) Flags.Append(TEXT(" Config"));
			if (Prop->HasAnyPropertyFlags(CPF_SaveGame)) Flags.Append(TEXT(" SaveGame"));
			if (Prop->HasAnyPropertyFlags(CPF_Transient)) Flags.Append(TEXT(" Transient"));
			if (Prop->HasAnyPropertyFlags(CPF_RepNotify)) Flags.Append(TEXT(" RepNotify"));

			UClass* OwnerClass = Prop->GetOwnerClass();
			Result.Appendf(TEXT("  %s %s"), *MCPUtils::FormatPropertyType(Prop), *PropName);
			if (OwnerClass && OwnerClass != FoundClass)
				Result.Appendf(TEXT(" [%s]"), *MCPUtils::FormatName(OwnerClass));
			if (Flags.Len() > 0)
				Result.Appendf(TEXT(" (%s)"), Flags.ToString() + 1); // skip leading space
			Result.Append(TEXT("\n"));
			Count++;
		}

		if (Count == 0)
		{
			Result.Append(TEXT("No properties found.\n"));
		}
	}
};