using Godot;
using System;

[GlobalClass]
public partial class Healthbar : ProgressBar
{
    private Timer _damageCatchUpTimer;
    private ProgressBar _damagedHealth;

    private float _currentHealth;
    public float CurrentHealth
    {
        get => _currentHealth;
        set => SetHealth(value);
    }
    
    public override void _Ready()
    {
        _damageCatchUpTimer = GetNode<Timer>("DamageCatchUp");
        _damagedHealth = GetNode<ProgressBar>("Damagebar");
        
        _damageCatchUpTimer.Timeout += OnDamageCatchUp;
        Visible = false;
    }

    public void Initialize(float initialHealth)
    {
        _currentHealth = initialHealth;
        MaxValue = initialHealth;
        Value = initialHealth;
        _damagedHealth.MaxValue = initialHealth;
        _damagedHealth.Value = initialHealth;
    }
    
    public void SetHealth(float newHealth)
    {
        var previousHealth = _currentHealth;
        _currentHealth = Mathf.Min(newHealth, (float) MaxValue);
        _currentHealth = newHealth;
        Value = _currentHealth;
        
        Visible = _currentHealth < MaxValue;

        if (_currentHealth < previousHealth)
        {
            _damageCatchUpTimer.Start();
        }
        else
        {
            _damagedHealth.Value = _currentHealth;
        }
    }

    public void OnDamageCatchUp()
    {
        _damagedHealth.Value = _currentHealth;
    }
}