using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace CommonTool
{
	public class FunSettingTree
	{
		public static FunSettingTree Inatance = new FunSettingTree();
		public FunctionTree CreatFunctionTree(List<FunctionTree> pcFunctionTrees)
		{
			FunctionTree loRoot = null;
			var lcFunctionTrees = pcFunctionTrees.Where(a => a.FatherId == "0").ToList();
			if (lcFunctionTrees.Count() == 1)
			{
				loRoot = lcFunctionTrees.FirstOrDefault();
				if (loRoot != null)
				{
					loRoot.ChildNodes = pcFunctionTrees.Where(a => a.FatherId == loRoot.Id && a.FatherId != "0").ToList();

					if (loRoot.ChildNodes.Any())
					{
						foreach (FunctionTree tree in loRoot.ChildNodes)
						{
							CreatFunctionTree(pcFunctionTrees, tree.Id);
						}
					}
				}
			}
			return loRoot;
		}

		public FunctionTree CreatFunctionTree(List<FunctionTree> pcFunctionTrees, string id)
		{
			FunctionTree loRoot = null;
			var lcFunctionTrees = pcFunctionTrees.Where(a => a.Id == id && a.FatherId != "0").ToList();
			if (lcFunctionTrees.Count() == 1)
			{
				loRoot = lcFunctionTrees.FirstOrDefault();
				if (loRoot != null)
				{
					loRoot.ChildNodes = pcFunctionTrees.Where(a => a.FatherId == loRoot.Id && a.FatherId != "0").ToList();

					if (loRoot.ChildNodes.Any())
					{
						foreach (FunctionTree tree in loRoot.ChildNodes)
						{
							CreatFunctionTree(pcFunctionTrees, tree.Id);
						}
					}
				}
			}
			return loRoot;
		}

	}

	public class FunctionTree
	{
		public string Id { get; set; }
		public string FatherId { get; set; }
		public string FunctionName { get; set; }
		public string ActionName { get; set; }
		public string ControllerName { get; set; }
		public string Url { get; set; }
		//public int Depth { get; set; }
		//public string IsLeaf { get; set; }
		//public int Sort { get; set; }
		public List<FunctionTree> ChildNodes { get; set; }

		public string ToJason()
		{
			StringBuilder sb = new StringBuilder();


			if (ChildNodes.Count > 0) 
			{
				if (FatherId != "0")
				{
					sb.AppendFormat(
						"<li><a href = \"#\" ><i class=\"fa fa-clone\"></i><span class=\"nav-label\">{0}</span></a><ul class=\"nav nav-second-level\">",
						FunctionName);
					foreach (FunctionTree loChild in ChildNodes)
					{
						sb.Append(loChild.ToJason());
					}
					sb.AppendFormat("</ul></li>");
				}
				else
				{
					foreach (FunctionTree loChild in ChildNodes)
					{
						sb.Append(loChild.ToJason());
					}
				}
			}
			else
			{
				if (string.IsNullOrEmpty(ActionName))
					Url = "#";
				sb.AppendFormat("<li><a class=\"J_menuItem\" href=\"{0}\">{1}</a></li>", Url, FunctionName);
			}
			return sb.ToString();
		}

		//public string ToJbson()
		//{
		//	StringBuilder sb = new StringBuilder();
			
		//	if (ChildNodes != null)
		//	{
		//		foreach (FunctionTree loChild in ChildNodes)
		//		{
		//			sb.Append(loChild.ToJason());
		//		}
		//	}
		//	else
		//	{
		//		if (string.IsNullOrEmpty(ActionName))
		//			Url = "#";
		//		sb.AppendFormat("<li><a class=\"J_menuItem\" href=\"{0}\">{1}</a></li>", Url, FunctionName);
		//	}
		//	return sb.ToString();
		//}
	}
}