using System.Collections.Generic;
using System.Linq;
using UnityEngine;
public static class Utility_Component
{
    public static List<T> Get_Childrens_Component<T>(this GameObject parent, bool includeInactive = false, bool destroy = false) where T : Component
    {
        List<T> TList = parent.GetComponentsInChildren<T>(includeInactive).ToList();
        List<T> TListReal = new();
        for (int i = 0; i < TList.Count; i++)
        {
            if (TList[i].transform.parent == parent.transform)
            {
                TListReal.Add(TList[i]);
            }
        }
        if (destroy)
        {
            for (int i = 0; i < TListReal.Count; i++)
            {
                if (TListReal[i] == parent)
                {
                    continue;
                }
                GameObject.DestroyImmediate(TListReal[i].gameObject);
            }
            return null;
        }
        return TListReal;
    }
    public static List<T> Get_Childrens_Component<T>(this Transform parent, bool destroy = false, bool includeInactive = false) where T : Component
    {
        return Get_Childrens_Component<T>(parent.gameObject, destroy, includeInactive);
    }
    public static bool Try_Get_Component<T>(this GameObject gameObject, out T component, bool add = true) where T : Component
    {
        if (gameObject.TryGetComponent(out T _component))
        {
            component = _component;
            return true;
        }
        if (add)
        {
            component = gameObject.AddComponent<T>();
            return true;
        }
        component = null;
        return false;
    }
    //public static bool Try_Get_Component<T>(this Component gameObject, out T component, bool add = true) where T : Component
    //{
    //    var b = Try_Get_Component(gameObject, out T _component, add);
    //    component = _component;
    //    return b;
    //}
    //public static bool Try_Get_Component<T>(this MonoBehaviour gameObject, out T component, bool add = true) where T : Component
    //{
    //    var b = Try_Get_Component(gameObject, out T _component, add);
    //    component = _component;
    //    return b;
    //}
}