using Godot;

namespace Newlon.Components.Zombies;

public partial class RuntimeZombieData : Node2D, IEntity, ILocalTimescale
{
    [Signal]
    public delegate void OnHPChangedEventHandler(int deltaHP);

    [Signal]
    public delegate void OnLocalTimescaleChangedEventHandler(int currentTimescale);

    private int _hp;
    [Export]
    private int _maxHP;
    [Export]
    private int _line;

    private float _localTimescale;
    public int Hp => _hp;

    public int MaxHp => _maxHP;

    public int Line => _line;

    public float LocalTimescale
    {
        get => _localTimescale;
        set
        {
            _localTimescale = value;
            EmitSignal(SignalName.OnLocalTimescaleChanged,_localTimescale);
        }
    }

    public override void _Ready()
    {
        _hp = _maxHP;
    }

    public void Heal(int amount)
    {
        _hp += amount;
        EmitSignal(SignalName.OnHPChanged,amount);

        if (MaxHp > 0)
        {
            _hp = MaxHp;
        }
    }

    public void TakeDamage(int amount)
    {
        _hp -= amount;
        EmitSignal(SignalName.OnHPChanged,-amount);

        if (_hp <= 0)
        {
            QueueFree();
        }
    }
}