using GAS.Runtime;

namespace CoreGame.Render
{
    public class Trigger_OnNewOrRemoved : TriggerBase
    {
        // p1  0 增加 1 减少
        public override void OnEvent(TriggerSpec self, int deltaCount, object param1)
        {
            if (deltaCount <= 0 && triggerCfg.param1 == 1 // remove
                ||
                deltaCount > 0 && triggerCfg.param1 == 0) // add
            {
                OnTrigger(self, 0, null);
            }
        }

        public override void Init(TriggerSpec self)
        {
            self.tagChangedHandle = (tag, count) =>
            {
                OnEvent(self, count, null);
            };

            var gameplayTag = GameplayTagsManager.RequestGameplayTag(triggerCfg.strParam1);
            self.owner.abilitySystem.GameplayTagCountContainer.RegisterGameplayTagEvent(gameplayTag,
                EGameplayTagEventType.NewOrRemoved, self.tagChangedHandle);
        }

        public override void UnInit(TriggerSpec self)
        {
            var gameplayTag = GameplayTagsManager.RequestGameplayTag(triggerCfg.strParam1);
            self.owner.abilitySystem.GameplayTagCountContainer.UnregisterGameplayTagEvent(gameplayTag,
                EGameplayTagEventType.NewOrRemoved, self.tagChangedHandle);
        }
    }
}