using System.Collections.Generic;
using AlicizaX.Resource.Runtime;
using AlicizaX.Runtime;
using Cysharp.Threading.Tasks;
using UnityEngine;

namespace AlicizaX.UI.Runtime
{
    public abstract partial class UIBase
    {
        internal List<UIWidget> childWidgets = new List<UIWidget>();
        internal List<UIWidget> withOpenWidget = new List<UIWidget>();


        #region UIWidget

        /// <summary>
        /// 创建UIWidget通过游戏物体。
        /// <remarks>因为资源实例已经存在父物体所以不需要异步。</remarks>
        /// </summary>
        /// <param name="goRoot">游戏物体。</param>
        /// <param name="visible">是否可见。</param>
        /// <typeparam name="T">UIWidget。</typeparam>
        /// <returns>UIWidget实例。</returns>
        protected T CreateWidget<T>(GameObject goRoot, bool visible = true) where T : UIWidget, new()
        {
            var widget = new T();
            widget.InternalCreate(this, goRoot);
            widget.Visible = visible;
            childWidgets.Add(widget);
            return widget;
        }

        /// <summary>
        /// 创建UIWidget通过资源定位地址。
        /// </summary>
        /// <param name="parentTrans">资源父节点。</param>
        /// <param name="assetLocation">资源定位地址。</param>
        /// <param name="visible">是否可见。</param>
        /// <typeparam name="T">UIWidget。</typeparam>
        /// <returns>UIWidget实例。</returns>
        protected T CreateWidgetByPath<T>(Transform parentTrans, string assetLocation, bool visible = true)
            where T : UIWidget, new()
        {
            GameObject goInst = SysModuleCenter.GetModule<IResourceManager>().LoadGameObject(assetLocation, parent: parentTrans);
            return CreateWidget<T>(goInst, visible);
        }

        /// <summary>
        /// 创建UIWidget通过资源定位地址。
        /// </summary>
        /// <param name="parentTrans">资源父节点。</param>
        /// <param name="assetLocation">资源定位地址。</param>
        /// <param name="visible">是否可见。</param>
        /// <typeparam name="T">UIWidget。</typeparam>
        /// <returns>UIWidget实例。</returns>
        protected async UniTask<T> CreateWidgetByPathAsync<T>(Transform parentTrans, string assetLocation,
            bool visible = true) where T : UIWidget, new()
        {
            GameObject goInst = await SysModuleCenter.GetModule<IResourceManager>().LoadGameObjectAsync(assetLocation, parentTrans,
                gameObject.GetCancellationTokenOnDestroy());
            return CreateWidget<T>(goInst, visible);
        }


        /// <summary>
        /// 通过UI类型来创建widget。
        /// </summary>
        /// <param name="parentTrans">资源父节点。</param>
        /// <param name="visible">是否可见。</param>
        /// <typeparam name="T">UIWidget。</typeparam>
        /// <returns>UIWidget实例。</returns>
        protected T CreateWidgetByType<T>(Transform parentTrans, bool visible = true) where T : UIWidget, new()
        {
            return CreateWidgetByPath<T>(parentTrans, typeof(T).Name, visible);
        }

        /// <summary>
        /// 通过UI类型来创建widget。
        /// </summary>
        /// <param name="parentTrans">资源父节点。</param>
        /// <param name="visible">是否可见。</param>
        /// <typeparam name="T">UIWidget。</typeparam>
        /// <returns>UIWidget实例。</returns>
        protected async UniTask<T> CreateWidgetByTypeAsync<T>(Transform parentTrans, bool visible = true)
            where T : UIWidget, new()
        {
            return await CreateWidgetByPathAsync<T>(parentTrans, typeof(T).Name, visible);
        }

        #endregion


        #region UIWidget更新相关

        internal void RemoveWidget(UIWidget widget)
        {
            childWidgets.Remove(widget);
        }

        #endregion
    }
}