// Fill out your copyright notice in the Description page of Project Settings.


#include "TangibleManager.h"
#include "TangibleInterface.h"
#include "IntegrationGameState.h"
#include "TangibleComponent.h"
#include "DebugPrint.h"

using namespace DebugPrint;

UTangibleManager::UTangibleManager() {
	World = nullptr;
	ClassTangibleActor = nullptr;
	Player = 0;
	Near = IdView();
}

void UTangibleManager::Init(UWorld *world, UClass* tanact) {
	World = world;
	ClassTangibleActor = tanact;
	Player = 0;
	Near = IdView();
}

UTangibleComponent *UTangibleManager::GetTangible(int64 id) {
	AActor **p = IdToActor.Find(id);
	if (p == nullptr) {
		return nullptr;
	} else {
		AActor* a = *p;
		UTangibleComponent* comp = a->FindComponentByClass<UTangibleComponent>();
		check(comp != nullptr);
		return comp;
	}
}

UTangibleComponent *UTangibleManager::MakeTangible(int64 id) {
	AActor *& p = IdToActor.FindOrAdd(id);
	if (p == nullptr) {
		FActorSpawnParameters params;
		FVector location(0, 0, 0);
		FRotator rotation(0, 0, 0);
		UWorld* w = GetWorld();
		AActor* a = w->SpawnActor(ClassTangibleActor, &location, &rotation, params);
		check(a != nullptr);
		check(a->GetClass()->ImplementsInterface(UlxTangibleInterface::StaticClass()));
		// Insert a TangibleComponent into the actor.
		UActorComponent* ac = a->AddComponentByClass(UTangibleComponent::StaticClass(), false, FTransform::Identity, false);
		UTangibleComponent* tc = Cast<UTangibleComponent>(ac);
		check(tc != nullptr);
		tc->Init(this, a, id);
		p = a;
		return tc;
	} else {
		UTangibleComponent* comp = p->FindComponentByClass<UTangibleComponent>();
		check(comp != nullptr);
		return comp;
	}
}

void UTangibleManager::DeleteTangible(int64 id) {
	// IMPLEMENT ME
}

UTangibleManager::IdArray UTangibleManager::GetLive() {
	IdArray result;
	result.SetNum(IdToActor.Num());
	int next = 0;
	for (auto &pair : IdToActor) {
		result[next++] = pair.Key;
	}
	return result;
}