using Gameplay.Area;
using Gameplay.Bullet;
using UnityEngine;
namespace Gameplay.Buff
{
    public class BuffEmitBulletToTargetEnemy : BaseBuff
    {

        private int _triggerDistance;
        private int _emitBulletId;
        private float _triggerRate;

        protected override void _OnInit()
        {
            base._OnInit();
            
            _triggerDistance = _TryGetIntParam(0);
            _emitBulletId = _TryGetIntParam(1);
            _triggerRate = _TryGetFloatParam(2, 1f);
        }

        protected override void _OnTrigger()
        {
            base._OnTrigger();

            var targetEnemy = owner.controlData.targetEnemy;
            if (targetEnemy == null)
            {
                return;
            }
            
            var distance = AreaManager.instance.GetDistance(targetEnemy.transData.cellIndex, owner.transData.cellIndex);
            if (distance > _triggerDistance)
            {
                // 距离不满足
                return;
            }

            var randomValue = UnityEngine.Random.Range(0f, 1f);
            if (randomValue > _triggerRate)
            {
                // 触发概率不满足
                return;
            }
            
            // 发射子弹
            BulletManager.instance.EmitBullet(_emitBulletId, targetEnemy, owner);
        }

    }
}