using Gameplay.Area;
using Gameplay.Unit.Data;
using UnityEngine;
namespace Gameplay.Buff
{
    public class BuffBulletDamage14 : BaseBuff
    {

        protected override void _OnTrigger()
        {
            base._OnTrigger();
            
            // 吸收周围距离1人员单位最大5%（生命+护盾），对目标造成A+吸收值5%的伤害
            // [最大百分比A, 固伤B, 吸收值系数C]
            // 1. 吸收效果走真伤判断
            // 2. 不会吸死,至少保留1滴血
            // 3. 吸收值取具体吸收量
            // 4. 只能吸友军的角色类型

            var paramA = _TryGetFloatParam(0);
            var paramB = _TryGetFloatParam(1);
            var paramC = _TryGetFloatParam(2);

            var creatorCellIndex = creator.transData.cellIndex;
            var aroundCellIndexList = AreaManager.instance.GetCellIndexsAround(creatorCellIndex, 1, false);
            var totalAbsorb = 0;
            for (int i = 0; i < aroundCellIndexList.Count; i++)
            {
                var checkCellIndex = aroundCellIndexList[i];
                var units = AreaManager.instance.GetUnitsByCellIndex(checkCellIndex);
                for (int j = 0; j < units.Count; j++)
                {
                    var unit = units[j];
                    if (unit.commonData.troopId != creator.commonData.troopId)
                    {
                        continue;
                    }
                    if (unit.gameunitType != EGameUnitType.Character)
                    {
                        continue;
                    }
                    if (!unit.statusData.isOnFloor)
                    {
                        continue;
                    }
                    if (unit.statusData.isDead)
                    {
                        continue;
                    }
                    
                    var totalHp = unit.aliveData.maxHp + unit.aliveData.maxShield;
                    var absorb = totalHp * paramA;
                    var nowHp = unit.aliveData.currentHp + unit.aliveData.currentShield;
                    if (nowHp - absorb <= 1)
                    {
                        absorb = nowHp - 1;
                    }
                    var absorbInt = Mathf.FloorToInt(absorb);
                    totalAbsorb += absorbInt;
                    unit.TakePureDamage(absorbInt, creator);
                }
            }
            
            var damage = paramB + totalAbsorb * paramC;
            var damageInt = Mathf.FloorToInt(damage);
            owner.TakeNormalDamage(configData.AttackPowerLevel,damageInt, creator, false);
        }

    }
}