import { Injectable } from '@angular/core';
import { Platform } from 'ionic-angular';
import { AppVersion } from '@ionic-native/app-version';
import { Device } from '@ionic-native/device';

import { utils } from '../utils'
import { Store } from './store'

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

@Injectable()
export class Env {
  is: any
  version: any
  ip
  clientId
  isInApp // 是否启动并处于应用内环境

  readyResolve
  ipApi
  baseApi
  testVersion = '2.2.0'
  config
  constructor(
    public store:Store,
    public device:Device,
    public appVersion:AppVersion,
    public platform: Platform
  ) {
    const isIos = platform.is('ios');
    const isAndroid = platform.is('android');
    const isWindows = platform.is('windows');
    const isMobile = platform.is('mobile');
    const isDesktop = platform.is('core');
    const OSVersion = platform.version().num;
    this.is = {
      ios: isIos,
      android: isAndroid,
      windows: isWindows,
      mobile: isMobile,
      desktop: isDesktop,
      oldOS: (isAndroid && OSVersion < 5.2)
      || (isIos && OSVersion < 6)
      || (isWindows && OSVersion < 8)
    }
    this.version= {
      OS: OSVersion
    }
  }

  setConfig = (config) => {
    this.config = config || {};
  }

  // 初始化app版本号和设备id
  init = (baseApi,ipApi) => {
    this.baseApi = baseApi;
    this.ipApi = ipApi;
    this.setInApp(true); // 设置isInApp为true
    return this.getClientId().then((id)=>{
      log.info('client Id',id,true);
      this.clientId = id;
      return this.getAppVersion();
    }).then((version)=>{
      log.info('version', version, true);
      this.version.app = version;

      return this.setIp();
    }).then((ip)=>{
      if(this.readyResolve) this.readyResolve();
      return ip;
    });
  }

  // 标题添加环境标识
  getEnvTitle = (title) => {
    const envNames = {
      dev: '(开发)',
      test:'(测试)',
      uat: '(内测)',
      testin:'',
      prod:'',
      deploy:''
    };
    return title + envNames[this.config.env];
  }

  setInApp = (isInApp) => {
    this.isInApp = isInApp;
  }

  // 环境初始化
  ready = () => {
    return new Promise((resolve)=>{
      this.readyResolve = resolve;
    });
  }

  // 获取ip
  getIp = () => {
    if(this.ip){
      return new Promise((resolve)=>{
        resolve(this.ip);
      });
    }else{
      return this.setIp();
    }
  }

  // 设置ip
  setIp = () => {
    return this.baseApi.fetch(this.ipApi).then((res)=>{
      this.ip = res ? res.ip : '';// 获取环境ip
      log.info('ip',this.ip);
      return this.ip;
    });
  }

  // 异步获取version
  getAppVersion = () => {
    if(this.platform.is('cordova')){
      try{
        return this.appVersion.getVersionNumber().then((version)=>{
          return version || '';
        });
      }catch(err){
        log.info('getAppVersion err',err,true);
        return new Promise((resolve)=>{
          resolve('2.0.0');
        });
      }
    }else{
      return new Promise((resolve)=>{
        resolve(this.config.isDev ? this.testVersion : '');
      });
    }
  }

  // 获取客户端id
  getClientId = () => {
    if(this.device.uuid){
      return new Promise((resolve)=>{
        resolve(this.device.uuid);
      })
    }else{
      return this.store.get('clientId',true).then((clientId)=>{
        if(!clientId) {
          clientId = utils.uuid();
          return this.store.set('clientId',clientId,true).then(()=>{
            return clientId;
          });
        }else{
          return clientId;
        }
      });
    }
  }
}