using Cysharp.Threading.Tasks;

using DG.Tweening;

using UnityEngine;

namespace PMaker.Extension
{
    public static class GameObjectExtension
    {
        /// <summary>
        /// 显示游戏对象
        /// </summary>
        /// <param name="go"></param>
        public static void Visible(this GameObject go)
        {
            //go.transform.localScale = Vector3.one;
            go.SetActive(true);
        }

        /// <summary>
        /// 隐藏游戏对象
        /// </summary>
        /// <param name="go"></param>
        public static void InVisible(this GameObject go)
        {
            //go.transform.localScale = Vector3.zero;
            go.SetActive(false);
        }

        /// <summary>
        /// 设置游戏对象开闭
        /// </summary>
        /// <param name="go"></param>
        /// <param name="value">显示或隐藏</param>
        public static void SetVisible(this GameObject go, bool value)
        {
            if (value)
            {
                go.Visible();
            }
            else
            {
                go.InVisible();
            }
        }

        /// <summary>
        /// 检测游戏对象开闭
        /// </summary>
        /// <param name="go"></param>
        /// <returns>true:显示, false:隐藏</returns>
        public static bool IsVisible(this GameObject go)
        {
            return go.activeSelf;
        }

        public static async UniTask Visible(this GameObject go, float duration)
        {
            var canvasGroup = go.ForceGetComponent<CanvasGroup>();
            canvasGroup.alpha = 0;
            await canvasGroup.DOFade(1, duration);
        }

        public static async UniTask InVisible(this GameObject go, float duration)
        {
            var canvasGroup = go.ForceGetComponent<CanvasGroup>();
            canvasGroup.alpha = 1;
            await canvasGroup.DOFade(0, duration);
        }

        /// <summary>
        /// 获取指定组件, 有则Get无则Add
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="go"></param>
        /// <returns></returns>
        public static T ForceGetComponent<T>(this GameObject go) where T : Component
        {
            var component = go.GetComponent<T>();
            if (component == null)
            {
                component = go.AddComponent<T>();
            }
            return component;
        }
    }
}