package aliyun

import (
	"encoding/json"
	"errors"
	"github.com/aliyun/alibaba-cloud-sdk-go/sdk"
	"github.com/aliyun/alibaba-cloud-sdk-go/sdk/requests"
)

var Sms = sms{}

type sms struct {
	client *sdk.Client
}

const ()

/*
发送验证短信
*/
const (
	regionId        = "cn-hangzhou"
	accessKey       = "LTAI4Fe9j26vbarEGVZ7Nany"
	accessKeySecret = "ysEYgqgpKtPbEJmHwdZ5psKsT15nel"
	SUCCESS         = "SMS_243631426"
	FAIL            = "SMS_243616481"
)

func init() {
	c, err := sdk.NewClientWithAccessKey(regionId, accessKey, accessKeySecret)
	if err != nil {
		panic(err)
	}
	Sms.client = c
}

type AliResp struct {
	Message   string
	RequestId string
	BizId     string
	Code      string
}

// SendMessage @Title 短信发送
func (s *sms) SendMessage(mobile, loginTemplateCode string, data map[string]string) error {
	marshal, _ := json.Marshal(&data)
	request := returnRequest(mobile, string(marshal), loginTemplateCode)
	response, err := s.client.ProcessCommonRequest(request)
	if err != nil {
		return errors.New(err.Error())
	}
	if response.IsSuccess() {
		var p AliResp
		if err := json.Unmarshal(response.GetHttpContentBytes(), &p); err != nil {
			return errors.New(err.Error())
		}
		if p.Message != "OK" {
			return errors.New("短信发送失败： " + p.Message)
		}
		return nil
	} else {
		return errors.New("短信发送失败")
	}
}

func returnRequest(mobile string, data string, templateCode string) *requests.CommonRequest {
	request := requests.NewCommonRequest()
	request.Method = "POST"
	request.Scheme = "https"
	request.Domain = "dysmsapi.aliyuncs.com"
	request.Version = "2017-05-25"
	request.ApiName = "SendSms"
	request.QueryParams["RegionId"] = regionId
	request.QueryParams["SignName"] = "瑞库客"
	request.QueryParams["TemplateCode"] = templateCode
	request.QueryParams["TemplateParam"] = data
	request.QueryParams["PhoneNumbers"] = mobile
	return request
}