package sms

import (
	"errors"
	"sync"

	"gitea.com/bitwsd/document_ai/config"
	openapi "github.com/alibabacloud-go/darabonba-openapi/client"
	dysmsapi "github.com/alibabacloud-go/dysmsapi-20170525/v2/client"
	aliutil "github.com/alibabacloud-go/tea-utils/service"
	"github.com/alibabacloud-go/tea/tea"
)

const (
	Signature        = "北京比特智源科技"
	TemplateCode     = "SMS_291510729"
	TemplateParam    = `{"code":"%s"}`
	VerifyCodeLength = 6
	VerifyCodeExpire = 3 * 60 // 1 minutes
)

var (
	MsgClient *dysmsapi.Client
	once      sync.Once
)

func InitSmsClient() *dysmsapi.Client {
	once.Do(func() {
		key := tea.String(config.GlobalConfig.Aliyun.Sms.AccessKeyID)
		secret := tea.String(config.GlobalConfig.Aliyun.Sms.AccessKeySecret)
		config := &openapi.Config{AccessKeyId: key, AccessKeySecret: secret}
		client, err := dysmsapi.NewClient(config)
		if err != nil {
			panic(err)
		}
		MsgClient = client
	})
	return MsgClient
}

type SendSmsRequest struct {
	PhoneNumbers  string
	SignName      string
	TemplateCode  string
	TemplateParam string
}

func SendMessage(req *SendSmsRequest) (err error) {
	client := MsgClient
	request := &dysmsapi.SendSmsRequest{
		PhoneNumbers:  tea.String(req.PhoneNumbers),
		SignName:      tea.String(req.SignName),
		TemplateCode:  tea.String(req.TemplateCode),
		TemplateParam: tea.String(req.TemplateParam),
	}
	resp, err := client.SendSms(request)
	if err != nil {
		return
	}
	if !tea.BoolValue(aliutil.EqualString(resp.Body.Code, tea.String("OK"))) {
		err = errors.New(*resp.Body.Code)
		return
	}
	return
}