using SLSUtilities.General;
using UnityEngine;

namespace Cielonos.MainGame.Characters
{
    public class AdditionalForceSubmodule : SubmoduleBase<MovementSubcontrollerBase>
    {
        private CharacterBase character => owner.owner;
        public LerpVector3 additionalForceXZ;
        public LerpFloat additionalForceY;
        
        public AdditionalForceSubmodule(MovementSubcontrollerBase movementSc) : base(movementSc)
        {
            additionalForceXZ = new LerpVector3(Vector3.zero, 1f);
            additionalForceY = new LerpFloat(0f, 1f);
        }
        
        public void AddForce(Vector3 force, bool ignoreResistance = false)
        {
            float multiplier = 1f;
    
            // 如果是“击退”类攻击（不忽略抗性）
            if (!ignoreResistance)
            {
                float resistance = character.attributeSm["ImpactResistance"];
                multiplier = Mathf.Clamp01(1f - (resistance / 100f));
            }
            
            additionalForceXZ.currentValue += force.Flatten() * multiplier;
            additionalForceY.currentValue += force.y * multiplier;
        }
        
        public void Update(float stability)
        {
            // 这里的 LerpVector3 应该是自定义的类。
            // 建议确保衰减速度受 stability 影响，阻力大的怪不仅飞不远，停下的也快。
            float decaySpeed = stability; 
            float xzMagnitude = additionalForceXZ.currentValue.magnitude;
            xzMagnitude -= decaySpeed * character.selfTimeSm.DeltaTime;
            xzMagnitude = Mathf.Max(xzMagnitude, 0);
            additionalForceXZ.currentValue = additionalForceXZ.currentValue.normalized * xzMagnitude;
            /*additionalForceXZ.Update(decaySpeed * character.selfTimeSm.DeltaTime);*/
            if(additionalForceXZ.currentValue.magnitude < 0.01f)
            {
                additionalForceXZ.currentValue = Vector3.zero;
            }
            additionalForceY.Update(decaySpeed * character.selfTimeSm.DeltaTime);
            if(additionalForceY.currentValue < 0.01f)
            {
                additionalForceY.currentValue = 0;
            }
        }
    }
}