using Godot;

namespace Cirno.Scripts.Components.Actors;

public partial class ActorResourceProvider : Node2D
{
    [Export]
    public string ResourceName { get; private set; }
    
    [Export]
    public float MaxResource { get; set; } = 10f;

    private float _currentResource = 0f;
    
    [Signal]
    public delegate void ResourceChangedEventHandler(float newValue, float maxValue);
    
    [Signal]
    public delegate void ResourceMaxedEventHandler(float maxValue);
    
    [Signal]
    public delegate void ResourceDepletedEventHandler();
    
    public float CurrentResource
    {
        get => _currentResource;
        set
        {
            if (_currentResource != value)
            {
                _currentResource = value;

                if (_currentResource > MaxResource) {
                    _currentResource = MaxResource;
                    EmitSignal(SignalName.ResourceMaxed, MaxResource);
                }
                else if (_currentResource <= 0)
                {
                    EmitSignal(SignalName.ResourceDepleted);
                }
				
                EmitSignal(SignalName.ResourceChanged, _currentResource, MaxResource);
            }
        }
    }

    public void FillResource()
    {
        CurrentResource = MaxResource;
    }
}