package lib

import (
	"fmt"
	"github.com/tidwall/gjson"
	"kefu/tools"
	"net/url"
)

type BaiduFanyi struct {
	AppId, AppSec string
}

func (this *BaiduFanyi) Translate(query, from, to string) (string, error) {
	salt := "1435660288"
	data := url.Values{}
	data.Set("q", query)
	data.Set("salt", salt)
	data.Set("appid", this.AppId)
	data.Set("from", from)
	data.Set("to", to)
	data.Set("sign", this.BuildSign(query, salt))
	res, err := tools.PostForm("http://api.fanyi.baidu.com/api/trans/vip/translate", data)
	fmt.Println(res, err)
	res = gjson.Get(res, "trans_result.0.dst").String()
	res = tools.UrlDecode(res)
	return res, err
}
func (this *BaiduFanyi) BuildSign(query, salt string) string {
	str := fmt.Sprintf("%s%s%s%s", this.AppId, query, salt, this.AppSec)
	ret := tools.Md5(str)
	return ret
}