using System.Collections.Generic;
using Gameplay.Area;
using Gameplay.Bullet;
using Gameplay.Common;
using Gameplay.Unit;
using Gameplay.Unit.Data;
namespace Gameplay.PlayerSkill.Logic
{
    /// <summary>
    /// 技能影响区域的所有人立即进入撤退状态
    /// 具体逻辑:
    /// 通过_SearchUnits()方法获取影响区域内的所有单位
    /// 通过_EmitBulletToUnits()方法向这些单位发射子弹
    /// 子弹id通过技能配置的参数0获取
    /// </summary>
    public class PlayerSkillLogic01 : BasePlayerSkillLogic
    {

        protected List<GameUnit> _selectUnits;

        protected override void _OnInit()
        {
            _SearchUnits();
            _EmitBulletToUnits();

            isFinished = true;
        }

        private void _EmitBulletToUnits()
        {
            var bulletId = owner.ReadParamInt(0);
            for (int i = 0; i < _selectUnits.Count; i++)
            {
                var unit = _selectUnits[i];
                BulletManager.instance.EmitBullet(bulletId, unit, owner.playerUnit);
            }
        }

        protected virtual void _SearchUnits()
        {
            _selectUnits = new List<GameUnit>();
            var influenceAreaId = owner.readySkillConfig.InfluenceAreaId;
            var centerCellIndex = owner.selectedCellIndex;
            var influenceCellIndexs = AreaManager.instance.GetCellIndexs(centerCellIndex, influenceAreaId);
            for (int i = 0; i < influenceCellIndexs.Count; i++)
            {
                var cellIndex = influenceCellIndexs[i];
                var units = AreaManager.instance.GetUnitsByCellIndex(cellIndex);
                for (int j = 0; j < units.Count; j++)
                {
                    var unit = units[j];
                    // 只针对己方单位
                    if (unit.commonData.troopId != owner.playerUnit.commonData.troopId) continue;
                    // 只针对角色生效
                    if (unit.gameunitType != EGameUnitType.Character) continue;
                    // 重复的不添加
                    if (_selectUnits.Contains(unit)) continue;
                    _selectUnits.Add(unit);
                }
            }
        }

    }
    
    
}