using System.Collections.Generic;
using Gameplay.Unit;
using Gameplay.Unit.Data;
namespace Gameplay.Buff
{
    public class GlobalBuffCacher
    {
        public int buffId;
        public GameUnit creator;

        public List<uint> _addUnitIds;
        
        public GlobalBuffCacher(int buffId, GameUnit creator)
        {
            this.creator = creator;
            this.buffId = buffId;
            _addUnitIds = new List<uint>();
        }

        public void AddUnit(GameUnit unit)
        {
            var unitId = unit.GetID();
            if (_addUnitIds.Contains(unitId))
            {
                return;
            }
            _addUnitIds.Add(unitId);

            var createBuff = BuffManager.instance.CreateBuffById(creator, buffId);
            BuffManager.instance.AddBuff(unit, createBuff);
        }

        public void RemoveUnit(GameUnit unit)
        {
            var unitId = unit.GetID();
            var index = _addUnitIds.IndexOf(unitId);
            if (index < 0) return;
            _addUnitIds.RemoveAt(index);
            
            unit.buffManager.RemoveBuffById(buffId);
        }

        public void Init()
        {
            var allUnits = GameUnitManager.instance.infightUnits;
            for (int i = 0; i < allUnits.count; i++)
            {
                var unit = allUnits.GetByIndex(i);
                if (unit.gameunitType != EGameUnitType.Character) continue;
                if (unit.statusData.isDead) continue;
                if (unit.commonData.troopId != creator.commonData.troopId) continue;
                AddUnit(unit);
            }
        }

        public void Dispose()
        {
            for (int i = 0; i < _addUnitIds.Count; i++)
            {
                var unitId = _addUnitIds[i];
                var getUnit = GameUnitManager.instance.infightUnits.Search(unitId);
                if (getUnit == null) continue;
                if (getUnit.statusData.isDead) continue;
                getUnit.buffManager.RemoveBuffById(buffId);
            }
        }
    }
}