using UnityEngine;

namespace Aliciza.Services.Example
{
    public sealed class BattleLoopService : ServiceBase, IBattleLoopService, IServiceTickable, IServiceOrder
    {
        private ITimerService _timerService;
        private int _pulseTimerId = -1;

        public float ElapsedTime { get; private set; }

        public int PulseCount { get; private set; }

        public int Order => 100;

        public void Tick(float deltaTime)
        {
            ElapsedTime += deltaTime;
        }

        protected override void OnInitialize()
        {
            ElapsedTime = 0f;
            PulseCount = 0;

            if (World.TryGet(out _timerService))
            {
                _pulseTimerId = _timerService.Repeat(1f, OnPulse);
            }
        }

        protected override void OnDestroyService()
        {
            if (_timerService != null && _pulseTimerId > 0)
            {
                _timerService.Cancel(_pulseTimerId);
            }

            _pulseTimerId = -1;
            _timerService = null;
            ElapsedTime = 0f;
            PulseCount = 0;
        }

        private void OnPulse()
        {
            PulseCount++;
            Debug.Log($"[BattleLoopService] Pulse {PulseCount}, Elapsed={ElapsedTime:F2}");
        }
    }
}