import { Injectable } from '@angular/core';
import { Store } from './store';

@Injectable()
export class AppOpen {
  constructor(
    public store:Store
  ) { }

  // 获取app打开次数
  getTimes = () => {
    return this.store.get('openTimes').then((openTimes)=>{
      openTimes = openTimes || 0;
      return openTimes;
    });
  }

  // 设置app打开次数
  setTimes = (openTimes) => {
    return this.store.set('openTimes',openTimes);
  }

  // 增加启动次数
  addOnce = () => {
    return this.getTimes().then((openTimes:number)=>{
      openTimes += 1; // 打开次数加1
      return this.setTimes(openTimes);
    });
  }

  // 是否是第一次打开，必须先执行openCountOnce
  isFirst = () => {
    return this.getTimes().then((openTimes:number)=>{
      return openTimes == 1;
    });
  }
}