//
//  IHTreeTableViewNode.swift
//  Inhealth
//
//  Created by weclouds on 2019/12/23.
//  Copyright © 2019 weclouds. All rights reserved.
//

import UIKit

class IHTreeTableViewNode: NSObject {
     ///父节点 - nil表示根节点
    var perentNode :IHTreeTableViewNode?{
        didSet{
            if let parentN = self.perentNode ,!parentN.subNodes.contains(self) {
                parentN.subNodes.append(self)
            }
        }
    }
    
    ///子节点集合
    var subNodes :[IHTreeTableViewNode] = [IHTreeTableViewNode](){
        didSet{
            for childNode in self.subNodes {
                childNode.perentNode = self
            }
        }
    }
    
    ///本节点ID
    var nodeID :String = "0"
    
    ///本节点名称
    var nodeName :String = ""
    
    ///设备数量
    var deviceCount : String = "0"
    
    ///本节点是否处于展开状态
    var isExpand:Bool = false
    
    ///深度：根节点为0
    var depth :Int{
        if let parentN = self.perentNode {
            return parentN.depth + 1
        }
        return 0
    }
    
     override init() {
        super.init()
        if nodeName == "" {
            return
        }
    }
    
    /// 便利构造函数
    ///
    /// - Parameters:
    ///   - parentNodeID: 父节点ID(>=-1，-1表示根节点)
    ///   - nodeID: 本节点ID(>=0)
    ///   - nodeName: 本节点名称(!="")
    ///   - isExpand: 本节点是否处于展开状态
    convenience init?(nodeID:String,nodeName:String,deviceCount:String,isExpand:Bool) {
        self.init()
        
        if nodeName == "" {
            return nil
        }else{
            self.nodeID = nodeID
            self.nodeName = nodeName
            self.deviceCount = deviceCount
            self.isExpand = isExpand
        }
    }
    
    ///添加子节点
    ///
    /// - Paramerter childNode : 子节点
    func addChildNode(childNode:IHTreeTableViewNode)  {
        childNode.perentNode = self
    }
    
}