using System;
using System.IO;

namespace Learning
{
    class Program
    {
        static void Main(string[] args)
        {
            var storage = new PlayerStorage();

            var loadedPlayer = storage.LoadPlayer(0);

            loadedPlayer.OnTakenDamage += (p, h) => storage.SavePlayer(p);
            loadedPlayer.OnTakenDamage += (p, healthDelta) => Console.WriteLine($"Вы получили урона - {healthDelta}");

            storage.SavePlayer(loadedPlayer);
        }
    }

    class Player
    {
        private float _health;
        private float _armor;
        private int _id;

        public float Health => _health;

        public event Action<Player, float> OnTakenDamage;

        public Player(float health, float armor, int id)
        {
            _armor = armor;
            _id = id;
        }

        public void ApplyDamage(float damage)
        {
            float healthDelta = damage - _armor;
            _health -= healthDelta;
            _armor /= 2;

            OnTakenDamage?.Invoke(this, healthDelta);
        }
    }

    public class PlayerStorage
    {
        public Player LoadPlayer(int id)
        {

        }

        public void SavePlayer(Player player)
        {

        }
    }
}