package main

import (
	"fmt"
	"io/ioutil"
	"log"
	"os"
	"regexp"
	"strings"

	"github.com/google/uuid"
)

func readJsonFile(filePath string) (jsonBytes []byte, err error) {
	jsonFile, err := os.Open(filePath)
	if err != nil {
		log.Println("Could not open JSON file: " + filePath + "\n" + err.Error())
		return jsonBytes, err
	}
	defer jsonFile.Close()
	fileBytes, _ := ioutil.ReadAll(jsonFile)

	//strip out // comments from file:
	re := regexp.MustCompile(`([\s]//.*)|(^//.*)`)
	fileCleanedBytes := re.ReplaceAll(fileBytes, nil)

	return fileCleanedBytes, err
}

func generateUUID() string {
	return strings.Replace(uuid.New().String(), "-", "", -1)
}

func fileExists(filename string) bool {
	info, err := os.Stat(filename)
	if os.IsNotExist(err) {
		return false
	}
	return !info.IsDir()
}

func logit(level int, message string) {
	if appconf.LogLevel >= int(level) {
		log.Println(message)
	}
	if appconf.LogLevel >= 8 {
		fmt.Println(message)
	}
}