/****************************************************************************
 * 2019.4 GIDEONHE-HOMEPC
 ****************************************************************************/

using UniRx;
using UnityEngine;
using UnityEngine.UI;

namespace QFramework
{
	public partial class UINodeListCtrl : UIElement
	{
		UITreeNodeGroup group;

		private ToggleGroup m_ToggleGroup;
		
		protected override void OnBeforeDestroy()
		{
		}

		/// <summary>
		/// 设置Group信息
		/// </summary>
		/// <param name="_group"></param>
		public void SetGroupInfo(ToggleGroup _group)
		{
			m_ToggleGroup = _group;
		}

		/// <summary>
		/// 格式化生成所有节点
		/// </summary>
		/// <param name="itemPrefab">节点模板GO</param>
		/// <param name="treeNodeListModel">节点列表数据模型</param>
		/// <param name="clearList">是否清空列表</param>
		public void GenerateTreeNodeList(UITreeNode01 itemPrefab1, UITreeNode02 itemPrefab2, TreeNodeList treeNodeListModel, string index = "", bool clearList = true)
		{
			if (clearList) this.DestroyAllChild();

			SorTreeNode(treeNodeListModel.TreeNodeItems);

			for (int i = 0; i < treeNodeListModel.TreeNodeItems.Count; i++)
			{
				TreeNodeItem item = treeNodeListModel.TreeNodeItems[i];

				if (string.IsNullOrEmpty(index))
				{
					item.index = (i + 1).ToString();
				}
				else 
				{
					item.index = index + "." + (i + 1).ToString();
				}

				if (i == 0)
				{
					AddNodeItem(itemPrefab1, itemPrefab2, item, true);
				}
				else 
				{
					AddNodeItem(itemPrefab1, itemPrefab2, item);
				}

				//如果子节点列表大于0，递归
				if (item.ChildTreeNodeList.TreeNodeItems.Count > 0)
				{
					GenerateTreeNodeList(itemPrefab1, itemPrefab2, item.ChildTreeNodeList, item.index,false);
				}
			}

            treeNodeListModel.TreeNodeItems.ForEach(item =>
			{
				
			});	
		}


		/// <summary>
		/// 重新排序
		/// </summary>
		private void SorTreeNode(ReactiveCollection<TreeNodeItem> TreeNodeItems) 
		{
			for (int i = 0; i < TreeNodeItems.Count; i++)
			{
				for (int j = 0; j < TreeNodeItems.Count - 1 - i; j++)
				{
					if (TreeNodeItems[j].id > TreeNodeItems[j + 1].id)
					{
						TreeNodeItem tmpItem = TreeNodeItems[j];
						TreeNodeItems[j] = TreeNodeItems[j + 1];
						TreeNodeItems[j + 1] = tmpItem;
					}
				}
			}
		}

		/// <summary>
		/// 生成节点
		/// </summary>
		/// <param name="itemPrefab">节点预设体（模板）</param>
		/// <param name="itemData">节点数据模型</param>
		private void AddNodeItem(UITreeNode01 itemPrefab1, UITreeNode02 itemPrefab2, TreeNodeItem itemData, bool expand = false)
		{
			group = transform.GetComponent<UITreeNodeGroup>();

			if (itemData.Layer.Value == 1)
			{
				UITreeNode01 tmpObj = itemPrefab1.Instantiate();

				tmpObj.Parent(this)
					.LocalIdentity()
					.ApplySelfTo(self => self.Init(itemData, m_ToggleGroup)); //初始化节点
				group.AddTreeNode(tmpObj);

                if (expand)
                {
					// tmpObj.selectToggle.isOn = true;
				}	
			}
			else if (itemData.Layer.Value == 2)
			{
				// 初始化节点
				UITreeNode02 tmpNode = itemPrefab2.Instantiate()
					.Parent(this)
					.LocalIdentity()
					.ApplySelfTo(self => self.Init(itemData));
				tmpNode.name = itemData.Content.Value;
				
				// 添加
			}
		}
	}
}