using Godot;
using System;

public partial class Health : Node
{
    [Export] private Node2D _parent;
    [Export] private float _baseMaxHp;
    public float MaxHP { get; private set; }
    public float CurHP { get; private set; }

    [Signal]
    public delegate void DeathEventHandler(Node2D node);

    public override void _EnterTree()
    {
        CurHP = MaxHP = _baseMaxHp * Mathf.Pow(GameController.Instance.Wave, 1.067f);
    }

    public void Substract(float v)
    {
        v = Mathf.Abs(v);
        CurHP -= v;
        if (CurHP <= 0)
        {
            EmitSignalDeath(_parent);
        }
    }

    public void Add(float v)
    {
        v = Mathf.Abs(v);
        CurHP = Math.Clamp(CurHP + v, 0f, MaxHP);
    }

    public void Reset()
    {
        CurHP = MaxHP = _baseMaxHp * Mathf.Pow(GameController.Instance.Wave, 1.067f); 
    }
}