using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace Gameplay.Summon
{
    using Framework;
    using Gameplay.Area;
    using Gameplay.Bullet;
    using Gameplay.Common;
    using Gameplay.Skill;
    using LTGame;

    public class SummonStateMineIdle : BaseSummonState
    {

        private SummonMine _mine;

        private bool _needCheckSelfCell;

        public SummonStateMineIdle(SummonMine owner) : base(owner, ESummonState.MineIdle)
        {
            _mine = owner;
        }

        protected override void _OnEnter(NBaseState exitState, object param)
        {
            base._OnEnter(exitState, param);
            _needCheckSelfCell = true;

            EventManager.Instance.Register(EventManager.EventName.INFIGHT_UNIT_CELLINDEX_CHANGE, (Action<GameUnit>)_OnAnyCharacterCellIndexChange);
        }

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

            if (_needCheckSelfCell)
            {
                _needCheckSelfCell = false;
                _CheckSelfCell();
            }
        }

        protected override void _OnExit(NBaseState exitState, object param)
        {
            base._OnExit(exitState, param);
            EventManager.Instance.Unregister(EventManager.EventName.INFIGHT_UNIT_CELLINDEX_CHANGE, (Action<GameUnit>)_OnAnyCharacterCellIndexChange);
        }

        private void _OnAnyCharacterCellIndexChange(GameUnit unit)
        {
            _needCheckSelfCell = true;
        }

        private void _CheckSelfCell()
        {
            var units = AreaManager.instance.GetUnitsByCellIndex(owner.transData.cellIndex);
            for (var i = 0; i < units.Count; ++i)
            {
                var unit = units[i];
                if (unit.commonData.troopId != owner.commonData.troopId)
                {
                    // 爆炸
                    isFinished = true;
                    nextState = ESummonState.MineBoom;
                    return;
                }
            }
        }
    }
}