package utils

import (
	"regexp"
	"strings"

	rotatelogs "github.com/lestrrat-go/file-rotatelogs"
)

const (
	EndTag     = "NNNN"
	Expression = "(?s)ZCZC.*NNNN"
)

var buffer string
var exp, _ = regexp.Compile(Expression)
var RawLog *rotatelogs.RotateLogs

func Append(data string) bool {
	buffer += (data + "\n")
	return check()
}

func check() bool {
	teleString := buffer
	if strings.Index(teleString, EndTag) > 0 {
		telegram := exp.FindString(teleString)
		if len(telegram) > 0 {
			// Log.Info("telegram ", zap.String("text", telegram))
			telegram = removeEmpty(telegram) + "\n\n"
			telegram += "\n"
			RawLog.Write([]byte(telegram + "\n"))
			buffer = ""
			InsertTelegram(telegram)
			return true
		}
	}
	return false
}

func removeEmpty(s string) string {
	return regexp.MustCompile(`[\t\r\n]+`).ReplaceAllString(strings.TrimSpace(s), "\n")
}