// The MIT License (MIT)
//
// # Copyright (c) 2021 Winlin
//
// Permission is hereby granted, free of charge, to any person obtaining a copy of
// this software and associated documentation files (the "Software"), to deal in
// the Software without restriction, including without limitation the rights to
// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
// the Software, and to permit persons to whom the Software is furnished to do so,
// subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
package janus

import (
	"encoding/json"
	"math/rand"
	"strings"
)

func newTransactionID() string {
	sb := strings.Builder{}
	for i := 0; i < 12; i++ {
		sb.WriteByte(byte('a') + byte(rand.Int()%26))
	}
	return sb.String()
}

func escapeJSON(s string) string {
	var o map[string]interface{}
	if err := json.Unmarshal([]byte(s), &o); err != nil {
		return s
	}

	if b, err := json.Marshal(o); err != nil {
		return s
	} else {
		return string(b)
	}
}
