using Gameplay.Area;
using UnityEngine;
namespace Gameplay.Buff
{
    public class BuffBulletDamage9 : BaseBuff
    {
        protected override void _OnTrigger()
        {
            base._OnTrigger();
            
            // 【固定数值,攻击力百分比,目标周围友军增伤系数, search半径】
            var fixValue = _TryGetFloatParam(0);
            var rateAttack = _TryGetFloatParam(1);
            var rateBuff = _TryGetFloatParam(2);
            var searchRadius = _TryGetIntParam(3);

            var centerCellIndex = owner.transData.cellIndex;
            var aroundCells = AreaManager.instance.GetCellIndexsAround(centerCellIndex, searchRadius);
            var aroundFriendCount = 0;
            for (int i = 0; i < aroundCells.Count; i++)
            {
                var aroundCellIndex = aroundCells[i];
                var units = AreaManager.instance.GetUnitsByCellIndex(aroundCellIndex);
                for (int j = 0; j < units.Count; j++)
                {
                    var unit = units[j];
                    if (unit == owner)
                    {
                        continue;
                    }
                    if (unit.commonData.troopId == creator.commonData.troopId)
                    {
                        aroundFriendCount++;
                    }
                }
            }
            
            var damage = Mathf.FloorToInt((fixValue + rateAttack * owner.fightData.attack) * (1 + rateBuff * aroundFriendCount));
            
            owner.TakeNormalDamage(damage, creator, false);
        }
    }
}