SolarBT_iOS/SolarBT/Classes/Global/Database/CLPlistTool.swift

//
//  CLPlistTool.swift
//  SolarBT
//
//  Created by weclouds on 2019/5/30.
//  Copyright © 2019 weclouds. All rights reserved.
//

import UIKit


/*
 保存数据
    BluetoothName:""
 struct BLEData {
 var device_name :String?
 var device_type :String?
 var device_model:String?
 var online: Bool? // 是否在线
 }
 
 
 1、 搜索蓝牙设备 (蓝牙名称)
 2、 连接蓝牙设备
 3、 读取蓝牙设备部分信息 (型号，类型,名称 )
     保存到plist

 */
class CLPlistTool: NSObject {
    
    let BluetoothNameKey  = "BluetoothName"
    let DeviceNameKey = "DeviceName"
    let DeviceTypeKey = "DeviceType"
    let DeviceModeKey = "DeviceMode"
    
     var filePath = "" // 文件路径
    
   static let sharedTool : CLPlistTool = {
    let  tool = CLPlistTool()
    
       return tool
    }()
    

 
    //判断文件是否存在改plist ，不存在创建
    func createPlistFile()  {
        //获取路径
        let path = NSSearchPathForDirectoriesInDomains(.documentDirectory, .userDomainMask, true)[0]
        filePath = path + "/data666.plist"
        //###注意加横杠“/”，否则真机测试崩溃，无法写入####
        if FileManager.default.fileExists(atPath: filePath) == false {
            let rootDict = NSMutableDictionary()
            rootDict.write(toFile: filePath, atomically: true)
            print("plist创建成功")
            
        }else{
            print("文件已存在")
        }
    }
    
    //遍历数据
    func findPlistFileData(_ key :String)  -> Bool {
        if let dictData = NSMutableDictionary(contentsOfFile: filePath) {
            for (k,_) in dictData{
                //判断是否存在相同蓝牙名称
                if key == (k as! String){
                    return true
                }
            }
        }
        return false
    }
    
    //保存数据
    func savePlistData(_ key:String, deviceData:[String:Any])  {
        let rootDict = NSMutableDictionary(contentsOfFile: filePath) // 根
        rootDict?.setObject(deviceData, forKey: key as NSCopying)
        rootDict?.write(toFile: filePath, atomically: true)
        print("保存成功 -- \(filePath)")
    }
    
    //保存
    func saveData (_ key:String, deviceData:[String:Any])   {
        guard findPlistFileData(key) == false else {
            //设备已存在
            // self.savePlistData()
            print("该设备已存在")
            return
        }
        self.savePlistData(key, deviceData: deviceData)
    }
    
    
    func deletePlistData(_ key:String)  {
        let rootDict = NSMutableDictionary(contentsOfFile: filePath) //根
        rootDict?.removeObject(forKey: key as Any) // 二级
        rootDict?.write(toFile: filePath, atomically: true)
        print("删除成功")
    }
    
    
    func deleteData(_ key:String)  {
        guard findPlistFileData(key) == true else {
            print("该设备不存在")
            return
        }
        self.deletePlistData(key)
    }
    
    //查找
    func findData(_ key:String) -> NSDictionary?{
        guard findPlistFileData(key) == true else {
            print("该学号不存在")
            return nil
        }
        if let dicData = NSMutableDictionary(contentsOfFile: filePath) {
            for (k,v) in dicData {
                if key == (k as! String) {
                    let dic2 = v as! NSDictionary
                    print("该设备存在")
                    for (k1, v2) in dic2 {
                        print("\(k1): \(v2)")
                    }
                    return dic2
                }
            }
        }
        return nil
    }
    
}