using System;
using UnityEngine;

public class TurnOff_GO : MyCoroutine
{
    public bool NoUseParticleTime = false;
    public float OffTime = 5f;
    public Vector3 add_offset;
    public eEffectLocation e_EffectLocation;
    public Transform tf_Target;
    public Action act_End;

    Actor m_target, m_target2;
    ProjectileData m_ProjectileData;
    bool followTarget;

    public void Set() { gameObject.SetActive(false); gameObject.SetActive(true); }
    public void Set(Actor target, ProjectileData pd, float LifeTime)
    {
        followTarget = true;
        m_target = target;
        m_ProjectileData = pd;
        NoUseParticleTime = true;
        OffTime = LifeTime;
        transform.position = m_ProjectileData.Get_EffectPos(target);

        gameObject.SetActive(true);
        Set_Off();
    }
    public void Set(Actor target, eEffectLocation loca, float lifetime)
    {
        m_target2 = target;
        e_EffectLocation = loca;
        OffTime = lifetime;

        gameObject.SetActive(true);
        Set_Off();
    }
    public void Set_PrefabInfo(Actor target)
    {
        Set_Location(target);
        gameObject.SetActive(true);
        Set_Off();
    }

    void Set_Off()
    {
        Set_Coroutine_withCancel(() =>
        {
            gameObject.SetActive(false);
            act_End?.Invoke();
        }, NoUseParticleTime ? OffTime : GetComponent<ParticleSystem>().main.duration);
    }

    private void OnEnable()
    {
        Set_Off();
    }

    protected override void Update()
    {
        if (followTarget)
        {
            if (DSUtil.CheckNull(m_target))
            {
                transform.position = Vector3.right * 1000000f;
                gameObject.SetActive(false);
            }
            else
            {
                var pos = m_ProjectileData.Get_EffectPos(m_target);
                transform.position = pos;
            }
        }
        else if (!DSUtil.CheckNull(tf_Target))
            transform.position = tf_Target.position + add_offset;
        else if (!DSUtil.CheckNull(m_target2))
            Set_Location(m_target2);
    }
    void Set_Location(Actor target)
    {
        Vector3 effectPos;
        switch (e_EffectLocation)
        {
            case eEffectLocation.Top: effectPos = target.Get_Top_postion(); break;
            default: effectPos = target.Get_Center_position(); break;
            case eEffectLocation.Bottom: effectPos = target.Get_position(); break;
        }
        transform.position = effectPos;
    }
}