import { Injectable } from '@angular/core';
import { ToastController } from 'ionic-angular';
import { Network } from '@ionic-native/network'

import { Log } from "../utils/log";
const log = new Log('Net');

let locked,lockTime = 10000;

@Injectable()
export class Net extends Network{

  constructor(public network: Network,public toastCtrl: ToastController) {
    super();
  }

  disconnectSub
  connectSub
  monitor = () => {
    this.disconnectSub = this.network.onDisconnect().subscribe(() => {

    });

    this.connectSub = this.network.onConnect().subscribe(() => {

    });
  }

  unMonitor = () => {
    this.disconnectSub.unsubscribe();
    this.connectSub.unsubscribe();
  }

  getType = () => {
    return this.network.type;
  }

  isBad = () => {
    return this.network.type == '2G';
  }

  isBroken = () => {
    return this.network.type == 'none';
  }

  check = () => {
    if(locked) return;
    locked = true;
    log.info('network type',this.network.type,true);
    if(this.isBroken()) this.toast('当前网络不可用，请检查您的网络设置');
    if(this.isBad()) this.toast('当前网络不稳定，请检查您的网络');
    setTimeout(()=>{
      locked = false;
    },lockTime);
  }

  toast = (message) => {
    let toast = this.toastCtrl.create({
      message,
      duration: 3000,
      position: 'top'
    });
    return toast.present();
  }

}