using System;
using UnityEngine;
public sealed class DamageableActor : MonoBehaviour
{
    [SerializeField, Min(1)] private int startingHealth = 10;
    private HealthModel health;
    private void Awake() { health = new HealthModel(Mathf.Max(1, startingHealth)); }
    [ContextMenu("Apply Three Damage")]
    public void ApplyThreeDamage()
    {
        if (!Application.isPlaying || health == null) return;
        health.Damage(3);
        Debug.Log("Health=" + health.Current + ", Alive=" + health.Alive, this);
    }
    public sealed class HealthModel
    {
        public int Current { get; private set; }
        public bool Alive { get { return Current > 0; } }
        public HealthModel(int maximum) { if (maximum < 1) throw new ArgumentOutOfRangeException(nameof(maximum)); Current = maximum; }
        public void Damage(int amount) { if (amount < 0) throw new ArgumentOutOfRangeException(nameof(amount)); Current = Math.Max(0, Current - amount); }
    }
}