platform-ios/RainbowPlanet/RainbowPlanet/Manager/ReachabilitySwiftManager/ReachabilitySwiftManager.swift

//
//  ReachabilitySwiftManager.swift
//  RainbowPlanet
//
//  Created by 南鑫林 on 2019/5/28.
//  Copyright © 2019 RainbowPlanet. All rights reserved.
//

import UIKit
import Reachability

class ReachabilitySwiftManager: NSObject {
    static let shared : ReachabilitySwiftManager = ReachabilitySwiftManager()
    
    public lazy var reachability: Reachability = {
        let reachability = Reachability()!
        return reachability
    }()
    
    /// 初始化网络监听
    public func initStartReachability() {
        whenReachable()
        whenUnreachable()
        startNotifier()
    }
    
    
    /// 初始化网络监听需要他停止监听
    public func initStartStopReachability() {
        whenReachableStopNotifier()
        whenUnreachableStopNotifier()
        startNotifier()
    }
    
    /// 监听到连接
    private func whenReachable() {
        reachability.whenReachable = { reachability in
            if reachability.connection == .wifi {
                NXLLog("Reachable via WiFi")
            } else if reachability.connection == .cellular {
                NXLLog("Reachable via Cellular")
            }
        }
    }
    
    /// 监听到没有连接
    private func whenUnreachable() {
        reachability.whenUnreachable = { [weak self] _ in
            self?.alert()
            NXLLog("Not reachable")
        }
    }
    
    /// 监听到连接需要停止监听
    private func whenReachableStopNotifier() {
        reachability.whenReachable = { [weak self] reachability in
            if reachability.connection == .wifi {
                NXLLog("Reachable via WiFi")
               
            } else if reachability.connection == .cellular {
                NXLLog("Reachable via Cellular")
            }
            self?.stopNotifier()
        }
    }
    /// 监听到没有连接需要停止监听
    private func whenUnreachableStopNotifier() {
        reachability.whenUnreachable = { _ in
            AlertSheetView.alert(title: "网络连接失败", detailTitle: "检测到网络权限可能未开启,您可以在\"设置\"中检查蜂窝移动网络", cancelTitle: "取消", sureTitle: "设置", cancelBlock: {[weak self] (popupView, index, str) in
                self?.stopNotifier()
                }, confirmBlock: { (popupView, index, str) in
                    DispatchQueue.main.async(execute: {  [weak self] () -> Void in
                        let url = URL(string: UIApplication.openSettingsURLString)
                        if let url = url, UIApplication.shared.canOpenURL(url) {            if #available(iOS 10.0, *) {
                            UIApplication.shared.open(url, options: [:],completionHandler: {
                                [weak self] (success) in
                                self?.stopNotifier()
                            })
                        }else {
                            UIApplication.shared.openURL(url)
                            self?.stopNotifier()
                            }
                            
                        }
                        
                    })
            })
            NXLLog("Not reachable")
        }
    }
    
    /// 开始监听
    private func startNotifier() {
        do {
            try reachability.startNotifier()
        } catch {
            startNotifier()
            NXLLog("Unable to start notifier")
        }
    }
    
    
    /// 停止监听
    private func stopNotifier() {
        reachability.stopNotifier()
    }
    
    /// 弹框跳转设置页面
    public func alert(){
        AlertSheetView.alert(title: "网络连接失败", detailTitle: "检测到网络权限可能未开启\n您可以在\"设置>无线数据>WLAN或WLAN与蜂窝移动网\"开启一下吧", cancelTitle: "取消", sureTitle: "设置", cancelBlock:nil, confirmBlock: { (popupView, index, str) in
                DispatchQueue.main.async(execute: {() -> Void in
                    let url = URL(string: UIApplication.openSettingsURLString)
                    if let url = url, UIApplication.shared.canOpenURL(url) {            if #available(iOS 10.0, *) {
                        UIApplication.shared.open(url, options: [:],completionHandler: {(success) in})
                        }else {
                            UIApplication.shared.openURL(url)
                        }
                    }
                })
        })
    }

}