'use strict';

const Service = require('../core/base_service');

const fileName = "SMSService";

const Dysmsapi20170525 = require('@alicloud/dysmsapi20170525');
const OpenApi = require('@alicloud/openapi-client');
const Util = require('@alicloud/tea-util');

class Client {
  static createClient() {
    let config = new OpenApi.Config({
      // 凭证类型。
      // type: 'access_key',
      // 必填，请确保代码运行环境设置了环境变量 ALIBABA_CLOUD_ACCESS_KEY_ID。
      accessKeyId: "LTAI5tM3QC6kY4r23sWnsvuY",
      // 必填，请确保代码运行环境设置了环境变量 ALIBABA_CLOUD_ACCESS_KEY_SECRET。
      accessKeySecret: "Lj9QTWVMJSTAffscjykhaKZt7RN0Xh",
      // 访问的地域
      // regionId: 'cn-beijing'
    });
    // Endpoint 请参考 https://api.aliyun.com/product/Dysmsapi
    // 访问的地址
    config.endpoint = `dysmsapi.aliyuncs.com`;
    return new Dysmsapi20170525.default(config);
  }
}

class SMSServiceService extends Service {
  // 向手机发送短信验证码
  async sendSMS(phone) {
    const { ctx } = this;
    try {
      const code = this.generateCodeString();
      const mark = await ctx.app.redis.get('db3').get(phone);
      if(mark == null) await ctx.app.redis.get('db3').set(phone, JSON.stringify({ status: 0 }), 'EX', 600);
      let client = Client.createClient();
      // 创建请求对象并设置入参
      let sendSmsRequest = new Dysmsapi20170525.SendSmsRequest({
        phoneNumbers: phone,
        // signName: "身份验证",
        // templateCode: "SMS_480180061",
        // signName: "登录验证",
        // templateCode: "SMS_487315107",
        signName: "华云智联",
        templateCode: "SMS_487315108",
        // signName: "北京华云智联",
        // templateCode: "SMS_487350086",
        // signName: "北京华云智联科技",
        // templateCode: "SMS_487410093",
        templateParam: `{\"code\":\"${code}\"}`,
      });
      // 创建运行时配置对象
      let runtime = new Util.RuntimeOptions({});
      runtime.readTimeout = 5000;
      runtime.connectTimeout = 5000;
      // 发起请求
      const response = await client.sendSmsWithOptions(sendSmsRequest, runtime);
      if(response.body.code == "OK") {
        await ctx.app.redis.get('db3').set(code, phone.toString(), 'EX', 600);
        return { status: 200, msg: "验证码发送成功" };
      };
    } catch (error) {
      // 此处仅做打印展示，请谨慎对待异常处理，在工程项目中切勿直接忽略异常。
      // 错误 message
      // console.log('1===========================================')
      // console.log(error.message);
      // 若捕捉到 ConnectTimeout 错误，则尝试重发
      if(error.message.includes("ConnectTimeout")) return { status: 600, msg: "尝试重新核验" };
      // console.log('2===========================================')
      // 诊断地址
      console.log(error);
      // console.log('3===========================================')
      // console.log(error.data);
      // console.log('4===========================================')
      // console.log(error.data["Recommend"]);
      // Util.default.assertAsString(error.message);

      const blockName = fileName + "--" + "sendSMS";
      ctx.app.middleware.log('../../serviceLog', blockName + ">>>>" + error);
      return 'error';
    }
  }

  // 校验短信验证码
  async checkCode(phone, code) {
    const { ctx } = this;
    try {
      const phoneResult = await ctx.app.redis.get('db3').get(phone);
      if (phoneResult == null) await ctx.app.redis.get('db3').set(phone, JSON.stringify({ status: 0 }), 'EX', 600);
      else if (JSON.parse(phoneResult).status == '1') return true;
      const check = await ctx.app.redis.get('db3').get(code);
      if (check == null || check != phone) return false;
      await ctx.app.redis.get('db3').del(code);
      let remainder = await ctx.app.redis.get('db3').ttl(phone);
      if (remainder < 60) remainder = 600;
      await ctx.app.redis.get('db3').set(phone, JSON.stringify({ status: 1 }), 'EX', remainder);
      return true;
    } catch (error) {
      const blockName = fileName + "--" + "checkCode";
      ctx.app.middleware.log('../../serviceLog', blockName + ">>>>" + error);
      return 'error';
    }
  }
}

module.exports = SMSServiceService;