using System;
using System.Collections.Generic;
using UnityEngine;

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

    private Actor m_target;
    private ProjectileData m_ProjectileData;
    private bool followTarget;

    private static readonly Dictionary<eEffectLocation, Func<Actor, Vector3>> EffectLocationMap = new()
    {
        { eEffectLocation.Top, target => target.Get_Top_postion() },
        { eEffectLocation.Mid, target => target.Get_Center_position() },
        { eEffectLocation.Bottom, target => target.Get_position() }
    };

    public void Set() => ToggleActive(true);

    public void Set(Actor target, ProjectileData pd, float lifeTime)
    {
        followTarget = true;
        m_target = target;
        m_ProjectileData = pd;
        NoUseParticleTime = true;
        OffTime = lifeTime;

        transform.position = pd.Get_EffectPos(target);
        ToggleActive(true);
    }

    public void Set(Actor target, eEffectLocation loca, float lifeTime)
    {
        e_EffectLocation = loca;
        OffTime = lifeTime;
        m_target = target;

        ToggleActive(true);
    }

    public void Set_PrefabInfo(Actor target)
    {
        m_target = target;
        UpdateLocation();
        ToggleActive(true);
    }

    private void ToggleActive(bool state)
    {
        gameObject.SetActive(false);
        gameObject.SetActive(state);
    }

    private void OnEnable() => Set_Off();

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

    private void Update()
    {
        if (followTarget)
        {
            if (m_target == null)
            {
                transform.position = Vector3.right * 1000000f;
                gameObject.SetActive(false);
            }
            else
            {
                transform.position = m_ProjectileData.Get_EffectPos(m_target);
            }
        }
        else
        {
            UpdateLocation();
        }
    }

    private void UpdateLocation()
    {
        if (m_target != null && EffectLocationMap.TryGetValue(e_EffectLocation, out var positionFunc))
        {
            transform.position = positionFunc(m_target);
        }
    }
}