using Platformer.Core;
using Platformer.Mechanics;
using static Platformer.Core.Simulation;

namespace Platformer.Gameplay
{
    /// <summary>
    /// Fired when the player health reaches 0. This usually would result in a
    /// PlayerDeath event.
    /// BT12-Dev 2026-05-09 — sender 가드 추가. Enemy.Health hp=0 시 무차별 PlayerDeath 발화 차단.
    /// 근본: Health.Decrement·Die 4곳에서 Schedule<HealthIsZero>(sender 미구분) → Execute에서 PlayerDeath 직결 → 적 처치 시 Player 즉사 버그.
    /// </summary>
    /// <typeparam name="HealthIsZero"></typeparam>
    public class HealthIsZero : Simulation.Event<HealthIsZero>
    {
        public Health health;

        public override void Execute()
        {
            if (health == null) return;
            // PlayerController 보유 Health만 PlayerDeath 발화 (Enemy 등 다른 Health 영역 차단).
            if (health.GetComponent<PlayerController>() == null) return;
            Schedule<PlayerDeath>();
        }
    }
}