package smsplat

import (
	"net/http"
	"time"

	"git.wenlab.co/joe/kettle/sms"
	"git.wenlab.co/joe/kettle/utl"

	"github.com/aliyun/alibaba-cloud-sdk-go/sdk/requests"
	"github.com/aliyun/alibaba-cloud-sdk-go/services/dysmsapi"
)

const (
	aliyun_SCHEME   = "https"
	aliyun_DOMAIN   = "dysmsapi.aliyuncs.com"
	aliyun_VERSION  = "2017-05-25"
	aliyun_API_NAME = "SendSms"
)

type aliyunSms struct {
	region, accessKey, accessSecret string
	signName                        string
}

func NewAliyunSms(region, accessKey, accessSecret, signName string) sms.ISms {
	return &aliyunSms{
		region:       region,
		accessKey:    accessKey,
		accessSecret: accessSecret,
		signName:     signName,
	}
}

func (self *aliyunSms) Send(phone, msg string) error {
	return utl.ErrNotImplemented
}

func (self *aliyunSms) SendTpl(phone, tpl string, params []byte) error {
	c, err := dysmsapi.NewClientWithAccessKey(self.region, self.accessKey, self.accessSecret)
	if err != nil {
		return err
	}
	c.SetConnectTimeout(3 * time.Second)
	c.SetReadTimeout(3 * time.Second)

	req := requests.NewCommonRequest()
	req.Method = http.MethodPost
	req.Scheme = aliyun_SCHEME
	req.Domain = aliyun_DOMAIN
	req.Version = aliyun_VERSION
	req.ApiName = aliyun_API_NAME
	req.QueryParams["RegionId"] = self.region
	req.QueryParams["PhoneNumbers"] = phone
	req.QueryParams["SignName"] = self.signName
	req.QueryParams["TemplateCode"] = tpl
	req.QueryParams["TemplateParam"] = string(params)
	_, err = c.ProcessCommonRequest(req)
	return err
}

func (self *aliyunSms) GetBalance() (float64, error) {
	return 0.0, utl.ErrNotImplemented
}

func (self *aliyunSms) GetAvailable() (int64, error) {
	return 0, utl.ErrNotImplemented
}

func (self *aliyunSms) Name() string {
	return "aliyuncs.com"
}