#include "SpaceshipProjectile.h"
#include "GameFramework/ProjectileMovementComponent.h"
#include "Components/StaticMeshComponent.h"
#include "EnemySpaceship.h"

ASpaceshipProjectile::ASpaceshipProjectile()
{
    PrimaryActorTick.bCanEverTick = true;

    // Create and setup the projectile mesh
    ProjectileMesh = CreateDefaultSubobject<UStaticMeshComponent>(TEXT("ProjectileMesh"));
    RootComponent = ProjectileMesh;
    ProjectileMesh->SetCollisionProfileName(TEXT("Projectile"));
    ProjectileMesh->OnComponentHit.AddDynamic(this, &ASpaceshipProjectile::OnHit);

    // Set up collision
    ProjectileMesh->SetCollisionEnabled(ECollisionEnabled::QueryAndPhysics);
    ProjectileMesh->SetCollisionObjectType(ECC_WorldDynamic);
    ProjectileMesh->SetCollisionResponseToAllChannels(ECR_Ignore);
    ProjectileMesh->SetCollisionResponseToChannel(ECC_Pawn, ECR_Block); // Block pawns (enemies)
    ProjectileMesh->SetCollisionResponseToChannel(ECC_WorldStatic, ECR_Block); // Block world static
    ProjectileMesh->SetGenerateOverlapEvents(true);

    // Bind hit event
    ProjectileMesh->OnComponentHit.AddDynamic(this, &ASpaceshipProjectile::OnHit);

    // Create and setup projectile movement
    ProjectileMovement = CreateDefaultSubobject<UProjectileMovementComponent>(TEXT("ProjectileMovement"));
    ProjectileMovement->UpdatedComponent = ProjectileMesh;
    ProjectileMovement->InitialSpeed = ProjectileSpeed;
    ProjectileMovement->MaxSpeed = ProjectileSpeed;
    ProjectileMovement->bRotationFollowsVelocity = true;
    ProjectileMovement->ProjectileGravityScale = 0.0f;

    // Set lifetime
    InitialLifeSpan = 3.0f;
}

void ASpaceshipProjectile::BeginPlay()
{
    Super::BeginPlay();
}

void ASpaceshipProjectile::OnHit(UPrimitiveComponent* HitComp, AActor* OtherActor, UPrimitiveComponent* OtherComp,
    FVector NormalImpulse, const FHitResult& Hit)
{
    // Debug message to verify hit detection
    if (GEngine)
    {
        GEngine->AddOnScreenDebugMessage(-1, 2.0f, FColor::Yellow,
            FString::Printf(TEXT("Projectile hit: %s"), *OtherActor->GetName()));
    }

    if (OtherActor && OtherActor != this)
    {
        // Check if we hit an enemy
        AEnemySpaceship* Enemy = Cast<AEnemySpaceship>(OtherActor);
        if (Enemy)
        {
            // Apply damage
            FDamageEvent DamageEvent;
            Enemy->TakeDamage(DamageAmount, DamageEvent, nullptr, this);

            // Debug message for damage
            if (GEngine)
            {
                GEngine->AddOnScreenDebugMessage(-1, 2.0f, FColor::Red,
                    FString::Printf(TEXT("Dealt %f damage to enemy"), DamageAmount));
            }
        }
    }

    // Destroy the projectile
    Destroy();
}