package lib

import (
	"bytes"
	"encoding/json"
	"fmt"
	"io/ioutil"
	"math/rand"
	"mime/multipart"
	"net/http"
	"time"
)

const (
	API    = "https://api-v4.mysubmail.com/sms/xsend"
	APPID  = "100848***"
	APPKEY = "e9b9802ea6445b2a5ad27203322d733a"
)

func Message_Sand_Verify(PhoneNumbers string) string {
	rand.Seed(time.Now().UnixNano())

	// 生成4位数验证码
	var code string
	for i := 0; i < 4; i++ {
		code += fmt.Sprintf("%d", rand.Intn(10)) // 生成0-9之间的随机数并转换为字符串拼接到验证码中
	}

	vars := make(map[string]string)
	vars["code"] = code
	postdata := make(map[string]string)
	postdata["appid"] = APPID
	postdata["signature"] = APPKEY
	postdata["project"] = "7qCjA2"
	postdata["to"] = PhoneNumbers
	bs, _ := json.Marshal(vars)
	postdata["vars"] = string(bs)
	body := &bytes.Buffer{}
	writer := multipart.NewWriter(body)
	for key, val := range postdata {
		_ = writer.WriteField(key, val)
	}
	contentType := writer.FormDataContentType()
	writer.Close()
	resp, _ := http.Post(API, contentType, body)
	result, _ := ioutil.ReadAll(resp.Body)
	fmt.Println(string(result))
	return code
}

// 	println(lib.Message_Sand("18777951277","SMS_215350603","{\"code\":\"1111\"}"))