using System.Collections.Generic;
using BehaviorDesigner.Runtime.Tasks;

using GAS.Runtime;

namespace CoreGame.Render
{
    public class FindEnemyCondition : Conditional
    {
        public override TaskStatus OnUpdate()
        {
            var ownerEnt = Owner.GetEntity<CombatEntity>();
            var ac = ownerEnt.aI;
            if (ownerEnt.abilitySystem.HasAbilityProcess(GTagLib.Solt_Active))
                return TaskStatus.Failure;
            AbilitySpec aga = null;

            var ass = ownerEnt.abilitySystem.AbilityContainer.QueryAbilitySpecArray;
            // 循环遍历所有的ability 轨道，指导普攻
            for (var index = 0; index < ass.Count; index++)
            {
                aga = ass[index];
                if (aga.Ability.Tag.AssetTag.HasTag(GTagLib.Solt_Active))
                {
                    if (aga.CanActivate() == AbilityActivateResult.Success)
                    {
                        break;
                    }
                }
            }

            ac.abilitySeq = 0;
            do
            {
                if (aga != null && aga.CanActivate() == AbilityActivateResult.Success)
                {
                    ac.abilitySeq = aga.ctx.gaSeq;
                    if (true)
                    {
                        // var calcVal = ExpressionEvaluator.CalcVal(aga.ctx.abilityCfg.SkillDistance, aga.ctx, 10);
                        var calcVal = 10;
                        var combatEntities = ListPool<CombatEntity>.Pop();
                        TargetSelectSrv.SelectDistanceEnts(ownerEnt, calcVal, combatEntities);
                        ac.targetList.Clear();
                        for (var index = 0; index < combatEntities.Count; index++)
                        {
                            ac.targetList.Add(combatEntities[index].creationIndex);
                        }
                        ListPool<CombatEntity>.Push(ref combatEntities);
                        
                        if (ac.targetList.Count > 0 )
                            break;
                    }
                }

                TargetSelectSrv.DoAITargetSelect(EffectTargetType.NearEntity, ac.targetList, 
                    null, ownerEnt);
                break;
            } 
            while (true);

            if (ac.targetList.Count < 1)
                return TaskStatus.Failure;
        
            return TaskStatus.Success;
        }
    }
}