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


#include "StatusEffect.h"

#include "StatusSystem.h"
#include "Kismet/GameplayStatics.h"
#include "TurnBaseCombatV2.h"
#include "Components/TextBlock.h"

void UStatusEffect::Invoke(AActor* Character, float TimeOfInit)
{
	GetWorld()->GetTimerManager().SetTimer(ExpiryTimerHandle, [this, Character, TimeOfInit] { CheckForExpiry(TimeOfInit, Character); }, 1, true, 0);
}

void UStatusEffect::OnExpiry(AActor* Character)
{
	GetWorld()->GetTimerManager().ClearTimer(ExpiryTimerHandle);
	UStatusSystem* StatusSystem = Cast<UStatusSystem>(Character->GetComponentByClass(UStatusSystem::StaticClass()));
	if (StatusSystem->GetActiveStatusEffect(this).StatusIcon == nullptr) return;
	StatusSystem->GetActiveStatusEffect(this).StatusIcon->RemoveFromParent();
	StatusSystem->RemoveStatusEffect(this);
	ATurnBaseCombatV2* CombatSystem = Cast<ATurnBaseCombatV2>(GetWorld()->GetGameState());
	CombatSystem->OnPlayerTurn.Remove(OnPlayerTurnDelegateHandle);
	CombatSystem->OnEnemyTurn.Remove(OnEnemyTurnDelegateHandle);
}

void UStatusEffect::OnPlayerTurn(AActor* Character, AActor* Enemy)
{
	return;
}

void UStatusEffect::OnEnemyTurn(AActor* Enemy, AActor* Character)
{
	TickDown(Character);
}

void UStatusEffect::OnStatusEffectAdd(AActor* Character)
{
	ATurnBaseCombatV2* CombatSystem = Cast<ATurnBaseCombatV2>(GetWorld()->GetGameState());
	OnPlayerTurnDelegateHandle = CombatSystem->OnPlayerTurn.AddUObject(this, &UStatusEffect::OnPlayerTurn);
	OnEnemyTurnDelegateHandle = CombatSystem->OnEnemyTurn.AddUObject(this, &UStatusEffect::OnEnemyTurn);
}

void UStatusEffect::TickDown(AActor* Character)
{
	UStatusSystem* StatusSystem = Cast<UStatusSystem>(Character->GetComponentByClass(UStatusSystem::StaticClass()));
	UTextBlock* StatusText = Cast<UTextBlock>(StatusSystem->GetActiveStatusEffect(this).StatusIcon->GetWidgetFromName(TEXT("DurationText")));
	StatusText->SetText(FText::FromString(FString::FromInt(BaseDuration)));
}

void UStatusEffect::CheckForExpiry(const float TimeOfExpiry, AActor* Character)
{
	if (TimeOfExpiry <= UGameplayStatics::GetRealTimeSeconds(GetWorld())) OnExpiry(Character);
	UStatusSystem* StatusSystem = Cast<UStatusSystem>(Character->GetComponentByClass(UStatusSystem::StaticClass()));
	if (StatusSystem->GetActiveStatusEffect(this).StatusIcon == nullptr) return;
	UTextBlock* StatusText = Cast<UTextBlock>(StatusSystem->GetActiveStatusEffect(this).StatusIcon->GetWidgetFromName(TEXT("DurationText")));
	StatusText->SetText(FText::FromString(FString::FromInt(TimeOfExpiry - UGameplayStatics::GetRealTimeSeconds(GetWorld()))));
}