using BehaviorDesigner.Runtime.Tasks;
using Gameplay.BT.Variables;
using Gameplay.Unit;
using Gameplay.AI;
using Framework;

public class BTDefendMoveTo : Action
{
    public SharedBattleInfo sharedBattleInfo;
    private GameUnit _owner;
    private GameUnit _target;
    private uint _lastTarget;

    public override void OnStart()
    {
        _owner = GameUnitManager.instance.infightUnits.Search(sharedBattleInfo.Value.ownerId);
    }
    
    public override TaskStatus OnUpdate()
    {
        if (sharedBattleInfo.Value.theChosenOneId != Constants.INVALID_UINT_ID)
        {
            // 超出守卫范围
            if (_owner.statusData.isMoveing && AIUtils.CheckDistanceIsOver(_owner))
            {
                sharedBattleInfo.Value.theChosenOneId = Constants.INVALID_UINT_ID;
            }

            if (_lastTarget != sharedBattleInfo.Value.theChosenOneId && !AIUtils.IsNeedStop(_owner) &&
                _owner.controlData.targetEnemy == null)
            {
                _lastTarget = sharedBattleInfo.Value.theChosenOneId;
                if (GameUnitManager.instance.infightUnits.Contains(sharedBattleInfo.Value.theChosenOneId))
                {
                    var target = GameUnitManager.instance.infightUnits.Search(sharedBattleInfo.Value.theChosenOneId);
                    if (target != null)
                    {
                        AIUtils.CheckAndMove(_owner, target.transData.cellIndex);
                    }
                }
            }

            if (_owner.controlData.targetEnemy == null)
            {
                _lastTarget = Constants.INVALID_UINT_ID;
            }

            return TaskStatus.Running;
        }

        return TaskStatus.Failure;
    }

    public override void OnEnd()
    {
    }
}