using UnrealSharp.Engine;
using UnrealSharp.Attributes;
using UnrealSharp.BusyRabbit;
using UnrealSharp.GameplayAbilities;
using UnrealSharp;
using UnrealSharp.CoreUObject;

namespace UI.Level.Controllers;

[UMultiDelegate] 
public delegate void OnUIAttributeChange(FName AttributeName, float NewValue, float OldValue);



[UClass]
public class UBusyRoleStateController : UPW_UIController
{
    [UProperty()]
    public TMulticastDelegate<OnUIAttributeChange> OnAttributeChangeDelegate { get; set; }


    protected override void OnUIControllerInitialized()
    {
        if (UGameplayStatics.GetPlayerController(0) is ALevelPlayerController PC)
        {
            ABusyPlayerRole Role = PC.ControlledRole;
            if (AbilitySystemLibrary.GetAbilitySystemComponent(Role) is UBusyAbilitySystemComponent ASC)
            {
                RegisterAttributeListener(ASC, "Health");
                RegisterAttributeListener(ASC, "Hunger");
            }
        }
    }

    public float GetControlledAttribute(FName AttributeName)
    {
        if (UGameplayStatics.GetPlayerController(0) is ALevelPlayerController PC)
        {
            ABusyPlayerRole Role = PC.ControlledRole;
            if (AbilitySystemLibrary.GetAbilitySystemComponent(Role) is UBusyAbilitySystemComponent ASC)
            {
                FGameplayAttribute Attribute = UBusyAscLibrary.GetAttribute(Role.Attributes, AttributeName);
                return ASC.GetGameplayAttributeValue(Attribute, out bool IsFound);
            }
        }
        return 0;
    }
    
    public float GetRoleAttribute(ABusyPawnBase Pawn, FName Attribute)
    {
        return 0;
    }




    protected void RegisterAttributeListener(UBusyAbilitySystemComponent ASC, FName AttributeName)
    {
        TDelegate<OnBusyAttributeChange> Delegate = new TDelegate<OnBusyAttributeChange>();
        Delegate.BindUFunction(this, "OnAttributeChange");
        ASC.BindEventToAttributeChange(typeof(UBusyPlayerRoleAttributeSet), AttributeName, Delegate);
    }


    [UFunction()]
    protected void OnAttributeChange(FName AttributeName, float NewValue, float OldValue)
    {
        OnAttributeChangeDelegate.Invoke(AttributeName, NewValue, OldValue);
    }


    protected override void OnUIControllerDestroy()
    {
        base.OnUIControllerDestroy();
    }
}