#pragma once

#include "CoreMinimal.h"
#include "Components/ActorComponent.h"
#include "CharacterStatsComponent.generated.h"

DECLARE_DYNAMIC_MULTICAST_DELEGATE_TwoParams(FOnHealthChanged, float, CurrentHealth, float, MaxHealth);
DECLARE_DYNAMIC_MULTICAST_DELEGATE_OneParam(FOnDamageChanged, float, CurrentDamage);
DECLARE_DYNAMIC_MULTICAST_DELEGATE_OneParam(FOnSpeedChanged, float, CurrentSpeed);
DECLARE_DYNAMIC_MULTICAST_DELEGATE(FOnStatsUpdated);

UCLASS(ClassGroup=(Custom), meta=(BlueprintSpawnableComponent))
class UTAD_UI_API UCharacterStatsComponent : public UActorComponent
{
    GENERATED_BODY()

public:
    UCharacterStatsComponent();

protected:
    virtual void BeginPlay() override;

    // Base stats (without any bonuses)
    UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Base Stats")
    float BaseMaxHealth;

    UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Base Stats")
    float BaseDamage;

    UPROPERTY(EditAnywhere, BlueprintReadOnly, Category = "Base Stats")
    float BaseSpeed;

    // Current values
    UPROPERTY(BlueprintReadOnly, Category = "Current Stats")
    float CurrentHealth;

    // Calculated stats (base + bonuses)
    UPROPERTY(BlueprintReadOnly, Category = "Current Stats")
    float MaxHealth;

    UPROPERTY(BlueprintReadOnly, Category = "Current Stats")
    float CurrentDamage;

    UPROPERTY(BlueprintReadOnly, Category = "Current Stats")
    float CurrentSpeed;

    // Skill tree bonuses (flat bonuses)
    UPROPERTY(BlueprintReadOnly, Category = "Skill Bonuses")
    float SkillHealthBonus;

    UPROPERTY(BlueprintReadOnly, Category = "Skill Bonuses")
    float SkillDamageBonus;

    UPROPERTY(BlueprintReadOnly, Category = "Skill Bonuses")
    float SkillSpeedBonus;

    // Skill tree bonuses (percentage bonuses)
    UPROPERTY(BlueprintReadOnly, Category = "Skill Bonuses")
    float SkillHealthBonusPercent;

    UPROPERTY(BlueprintReadOnly, Category = "Skill Bonuses")
    float SkillDamageBonusPercent;

    UPROPERTY(BlueprintReadOnly, Category = "Skill Bonuses")
    float SkillSpeedBonusPercent;

public:
    // Initialize stats
    UFUNCTION(BlueprintCallable, Category = "Character Stats")
    void InitializeStats();

    // Update stats from skill tree
    UFUNCTION(BlueprintCallable, Category = "Character Stats")
    void UpdateStatsFromSkillTree();

    // Called when a skill is purchased
    UFUNCTION()
    void OnSkillPurchased(FName SkillID);

    // Calculate final stats
    UFUNCTION(BlueprintCallable, Category = "Character Stats")
    void RecalculateStats();

    // Getters for current stats
    UFUNCTION(BlueprintPure, Category = "Character Stats")
    float GetCurrentHealth() const { return CurrentHealth; }

    UFUNCTION(BlueprintPure, Category = "Character Stats")
    float GetMaxHealth() const { return MaxHealth; }

    UFUNCTION(BlueprintPure, Category = "Character Stats")
    float GetHealthPercentage() const { return MaxHealth > 0 ? CurrentHealth / MaxHealth : 0.0f; }

    UFUNCTION(BlueprintPure, Category = "Character Stats")
    float GetCurrentDamage() const { return CurrentDamage; }

    UFUNCTION(BlueprintPure, Category = "Character Stats")
    float GetCurrentSpeed() const { return CurrentSpeed; }

    // Health management
    UFUNCTION(BlueprintCallable, Category = "Character Stats")
    void TakeDamage(float DamageAmount);

    UFUNCTION(BlueprintCallable, Category = "Character Stats")
    void Heal(float HealAmount);

    UFUNCTION(BlueprintCallable, Category = "Character Stats")
    void SetHealth(float NewHealth);

    // Get formatted text for UI
    UFUNCTION(BlueprintPure, Category = "Character Stats UI")
    FText GetHealthText() const;

    UFUNCTION(BlueprintPure, Category = "Character Stats UI")
    FText GetDamageText() const;

    UFUNCTION(BlueprintPure, Category = "Character Stats UI")
    FText GetSpeedText() const;

    // Events
    UPROPERTY(BlueprintAssignable, Category = "Stats Events")
    FOnHealthChanged OnHealthChanged;

    UPROPERTY(BlueprintAssignable, Category = "Stats Events")
    FOnDamageChanged OnDamageChanged;

    UPROPERTY(BlueprintAssignable, Category = "Stats Events")
    FOnSpeedChanged OnSpeedChanged;

    UPROPERTY(BlueprintAssignable, Category = "Stats Events")
    FOnStatsUpdated OnStatsUpdated;

private:
    // Apply speed to character movement
    void ApplySpeedToMovement();

    // Reference to owner's skill tree component
    UPROPERTY()
    class USkillTreeComponent* OwnerSkillTree;
};