// Copyright Echo Devgroup

#pragma once

#include "CoreMinimal.h"
#include "AttributeSet.h"
#include "AbilitySystemComponent.h"
#include "AuraAttributeSet.generated.h"

#define ATTRIBUTE_ACCESSORS(ClassName, PropertyName) \
GAMEPLAYATTRIBUTE_PROPERTY_GETTER(ClassName, PropertyName) \
GAMEPLAYATTRIBUTE_VALUE_GETTER(PropertyName) \
GAMEPLAYATTRIBUTE_VALUE_SETTER(PropertyName) \
GAMEPLAYATTRIBUTE_VALUE_INITTER(PropertyName)

DECLARE_DELEGATE_RetVal(FGameplayAttribute, FAttributeSignature);

USTRUCT()
struct FEffectProperties
{
	GENERATED_BODY()

	FEffectProperties(){}

	FGameplayEffectContextHandle EffectContextHandle;
	
	//Source Variables
	UPROPERTY()
	UAbilitySystemComponent* SourceASC = nullptr;
	UPROPERTY()
	AActor* SourceAvatarActor = nullptr;
	UPROPERTY()
	AController* SourceController = nullptr;
	UPROPERTY()
	ACharacter* SourceCharacter = nullptr;
	//Target Variables
	UPROPERTY()
	UAbilitySystemComponent* TargetASC = nullptr;
	UPROPERTY()
	AActor* TargetAvatarActor = nullptr;
	UPROPERTY()
	AController* TargetController = nullptr;
	UPROPERTY()
	ACharacter* TargetCharacter = nullptr;
};

template<class T>
using TStaticFuncPtr = typename TBaseStaticDelegateInstance<T, FDefaultDelegateUserPolicy>::FFuncPtr;


/**
 * 
 */
UCLASS()
class AURA_API UAuraAttributeSet : public UAttributeSet
{
	GENERATED_BODY()
	
public:
	UAuraAttributeSet();
	virtual void GetLifetimeReplicatedProps(TArray<FLifetimeProperty>& OutLifetimeProps) const override;
	virtual void PreAttributeChange(const FGameplayAttribute& Attribute, float& NewValue) override;
	virtual void PostGameplayEffectExecute(const struct FGameplayEffectModCallbackData& Data) override;
	
	TMap<FGameplayTag, TStaticFuncPtr<FGameplayAttribute()>> TagsToAttributes;
	
	/*Create Attributes
	* Vital Attributes
	*/
	//Health
	UPROPERTY(BlueprintReadOnly, ReplicatedUsing = OnRep_Health, Category = "Vital Attributes")
	FGameplayAttributeData Health;
	ATTRIBUTE_ACCESSORS(UAuraAttributeSet,Health);
	UFUNCTION()
	void OnRep_Health(const FGameplayAttributeData& OldHealth) const;
	//Max Health
	UPROPERTY(BlueprintReadOnly, ReplicatedUsing = OnRep_MaxHealth, Category = "Vital Attributes")
	FGameplayAttributeData MaxHealth;
	ATTRIBUTE_ACCESSORS(UAuraAttributeSet, MaxHealth);
	UFUNCTION()
	void OnRep_MaxHealth(const FGameplayAttributeData& OldMaxHealth) const;

	//Mana
	UPROPERTY(BlueprintReadOnly, ReplicatedUsing = OnRep_Mana, Category = "Vital Attributes")
	FGameplayAttributeData Mana;
	ATTRIBUTE_ACCESSORS(UAuraAttributeSet, Mana);
	UFUNCTION()
	void OnRep_Mana(const FGameplayAttributeData& OldMana) const;
	//Max Mana
	UPROPERTY(BlueprintReadOnly, ReplicatedUsing = OnRep_MaxMana, Category = "Vital Attributes")
	FGameplayAttributeData MaxMana;
	ATTRIBUTE_ACCESSORS(UAuraAttributeSet, MaxMana);
	UFUNCTION()
	void OnRep_MaxMana(const FGameplayAttributeData& OldMaxMana) const;

	/* Primary Attributes
	 * Strength, Intelligence, Resilience, 
	*/
	//Strength
	UPROPERTY(BlueprintReadOnly, ReplicatedUsing = OnRep_Strength, Category = "Primary Attributes")
	FGameplayAttributeData Strength;
	ATTRIBUTE_ACCESSORS(UAuraAttributeSet, Strength);
	UFUNCTION()
	void OnRep_Strength(const FGameplayAttributeData& OldStrength) const;
	//Intelligence
	UPROPERTY(BlueprintReadOnly, ReplicatedUsing = OnRep_Intelligence, Category = "Primary Attributes")
	FGameplayAttributeData Intelligence;
	ATTRIBUTE_ACCESSORS(UAuraAttributeSet, Intelligence);
	UFUNCTION()
	void OnRep_Intelligence(const FGameplayAttributeData& OldIntelligence) const;
	//Resilience
	UPROPERTY(BlueprintReadOnly, ReplicatedUsing = OnRep_Resilience, Category = "Primary Attributes")
	FGameplayAttributeData Resilience;
	ATTRIBUTE_ACCESSORS(UAuraAttributeSet, Resilience);
	UFUNCTION()
	void OnRep_Resilience(const FGameplayAttributeData& OldResilience) const;
	//Vigor
	UPROPERTY(BlueprintReadOnly, ReplicatedUsing = OnRep_Vigor, Category = "Primary Attributes")
	FGameplayAttributeData Vigor;
	ATTRIBUTE_ACCESSORS(UAuraAttributeSet, Vigor);
	UFUNCTION()
	void OnRep_Vigor(const FGameplayAttributeData& OldVigor) const;

	/*Secondary Stats
	 *Armor, Armor Penetration, Block Chance, Critical Hit Chance, Critical Hit Damage, Critical Hit Resistance, Health Regeneration, Mana Regeneration
	 */
	//Armor
	UPROPERTY(BlueprintReadOnly, ReplicatedUsing = OnRep_Armor, Category = "Secondary Attributes")
	FGameplayAttributeData Armor;
	ATTRIBUTE_ACCESSORS(UAuraAttributeSet, Armor);
	UFUNCTION()
	void OnRep_Armor(const FGameplayAttributeData& OldArmor) const;
	//ArmorPenetration
	UPROPERTY(BlueprintReadOnly, ReplicatedUsing = OnRep_ArmorPenetration, Category = "Secondary Attributes")
	FGameplayAttributeData ArmorPenetration;
	ATTRIBUTE_ACCESSORS(UAuraAttributeSet, ArmorPenetration);
	UFUNCTION()
	void OnRep_ArmorPenetration(const FGameplayAttributeData& OldArmorPenetration) const;
	//BlockChance
	UPROPERTY(BlueprintReadOnly, ReplicatedUsing = OnRep_BlockChance, Category = "Secondary Attributes")
	FGameplayAttributeData BlockChance;
	ATTRIBUTE_ACCESSORS(UAuraAttributeSet, BlockChance);
	UFUNCTION()
	void OnRep_BlockChance(const FGameplayAttributeData& OldBlockChance) const;
	//CriticalHitChance
	UPROPERTY(BlueprintReadOnly, ReplicatedUsing = OnRep_CriticalHitChance, Category = "Secondary Attributes")
	FGameplayAttributeData CriticalHitChance;
	ATTRIBUTE_ACCESSORS(UAuraAttributeSet, CriticalHitChance);
	UFUNCTION()
	void OnRep_CriticalHitChance(const FGameplayAttributeData& OldCriticalHitChance) const;
	//CriticalHitDamage
	UPROPERTY(BlueprintReadOnly, ReplicatedUsing = OnRep_CriticalHitDamage, Category = "Secondary Attributes")
	FGameplayAttributeData CriticalHitDamage;
	ATTRIBUTE_ACCESSORS(UAuraAttributeSet, CriticalHitDamage);
	UFUNCTION()
	void OnRep_CriticalHitDamage(const FGameplayAttributeData& OldCriticalHitDamage) const;
	//CriticalHitResistance
	UPROPERTY(BlueprintReadOnly, ReplicatedUsing = OnRep_CriticalHitResistance, Category = "Secondary Attributes")
	FGameplayAttributeData CriticalHitResistance;
	ATTRIBUTE_ACCESSORS(UAuraAttributeSet, CriticalHitResistance);
	UFUNCTION()
	void OnRep_CriticalHitResistance(const FGameplayAttributeData& OldCriticalHitResistance) const;
	//HealthRegeneration
	UPROPERTY(BlueprintReadOnly, ReplicatedUsing = OnRep_HealthRegeneration, Category = "Secondary Attributes")
	FGameplayAttributeData HealthRegeneration;
	ATTRIBUTE_ACCESSORS(UAuraAttributeSet, HealthRegeneration);
	UFUNCTION()
	void OnRep_HealthRegeneration(const FGameplayAttributeData& OldHealthRegeneration) const;
	//ManaRegeneration
	UPROPERTY(BlueprintReadOnly, ReplicatedUsing = OnRep_ManaRegeneration, Category = "Secondary Attributes")
	FGameplayAttributeData ManaRegeneration;
	ATTRIBUTE_ACCESSORS(UAuraAttributeSet, ManaRegeneration);
	UFUNCTION()
	void OnRep_ManaRegeneration(const FGameplayAttributeData& OldManaRegeneration) const;

	/*Meta Attributes
	 *
	 */
	//incoming damage
	UPROPERTY(BlueprintReadOnly, Category = "Meta Attributes")
	FGameplayAttributeData IncomingDamage;
	ATTRIBUTE_ACCESSORS(UAuraAttributeSet, IncomingDamage);
	
private:
	void SetEffectProperties(const FGameplayEffectModCallbackData& Data, FEffectProperties& Props) const;
};