package utils

import (
	"crypto/md5"
	"gd_gateway/common.in/jsonrpc2"
	"encoding/hex"
	"encoding/json"
	"fmt"
	"strings"
	"time"
)

func GetUniqueLogID(cmd string) string {
	return fmt.Sprintf("%d_%s", time.Now().Unix(), cmd)
}

// 获取args对应的json字符串
func MarshalJsonString(args ...interface{}) (result string) {
	if len(args) > 0 {
		if r, err := json.Marshal(args); err == nil {
			result = string(r)
		}
	}

	return
}

func MD5(text string) string {
	h := md5.New()
	h.Write([]byte(text))
	return hex.EncodeToString(h.Sum(nil))
}

func CheckPlateCity(plateNo, filter string) error {
	citys := strings.Split(filter, ",")
	for _, city := range citys {
		if strings.HasPrefix(plateNo, city) {
			return nil
		}
	}

	return jsonrpc2.NewJsonError(20004, "参数错误,不支持该省份")
}