package logger

import (
	"regexp"
)

const MaxBody = 4096

var secretJSON = regexp.MustCompile(`(?i)("(token|access_token|refresh_token|authorization|password|verify_code|upload_url|download_url|secret_key|access_key)"\s*:\s*")[^"]*`)

func ClipBody(b []byte) string {
	if len(b) == 0 {
		return ""
	}
	s := secretJSON.ReplaceAllString(string(b), `${1}***`)
	if len(s) > MaxBody {
		return s[:MaxBody] + "...<truncated>"
	}
	return s
}