// Copyright (c) 2026 Reignance Studios. MIT License, see LICENSE.

#include "GKLCharacter.h"

#include "AbilitySystemComponent.h"
#include "GameFramework/CharacterMovementComponent.h"
#include "GKLPlayerState.h"
#include "Net/UnrealNetwork.h"

AGKLCharacter::AGKLCharacter(const FObjectInitializer& ObjectInitializer)
	: Super(ObjectInitializer)
{
	bReplicates = true;
	SetReplicateMovement(true);
}

void AGKLCharacter::PossessedBy(AController* NewController)
{
	Super::PossessedBy(NewController);
	InitAbilitySystem(); // server
}

void AGKLCharacter::OnRep_PlayerState()
{
	Super::OnRep_PlayerState();
	InitAbilitySystem(); // owning client (and simulated proxies, which is harmless)
}

void AGKLCharacter::GetLifetimeReplicatedProps(TArray<FLifetimeProperty>& OutLifetimeProps) const
{
	Super::GetLifetimeReplicatedProps(OutLifetimeProps);
	DOREPLIFETIME(AGKLCharacter, bIsDead);
}

UAbilitySystemComponent* AGKLCharacter::GetAbilitySystemComponent() const
{
	const AGKLPlayerState* PS = GetPlayerState<AGKLPlayerState>();
	return PS ? PS->GetAbilitySystemComponent() : nullptr;
}

void AGKLCharacter::InitAbilitySystem()
{
	AGKLPlayerState* PS = GetPlayerState<AGKLPlayerState>();
	if (UAbilitySystemComponent* ASC = PS ? PS->GetAbilitySystemComponent() : nullptr)
	{
		// Owner = PlayerState (survives respawn), avatar = this pawn (what abilities act on).
		ASC->InitAbilityActorInfo(PS, this);
	}
}

bool AGKLCharacter::ActivateAbilityByTag(FGameplayTag AbilityTag)
{
	UAbilitySystemComponent* ASC = GetAbilitySystemComponent();
	return ASC && AbilityTag.IsValid() && ASC->TryActivateAbilitiesByTag(FGameplayTagContainer(AbilityTag));
}

void AGKLCharacter::Die()
{
	if (!HasAuthority() || bIsDead)
	{
		return;
	}
	bIsDead = true;
	OnDeath();
}

void AGKLCharacter::OnRep_IsDead()
{
	if (bIsDead)
	{
		OnDeath();
	}
}

void AGKLCharacter::OnDeath_Implementation()
{
	GetCharacterMovement()->DisableMovement();
}