package library

import (
	"crypto/sha256"
	"encoding/hex"
	"io/ioutil"
	"os"
)

func calculateChecksum(filePath string) (string, error) {
	file, err := os.Open(filePath)
	if err != nil {
		return "", err
	}
	defer file.Close()

	data, err := ioutil.ReadAll(file)
	if err != nil {
		return "", err
	}

	hash := sha256.Sum256(data)
	return hex.EncodeToString(hash[:]), nil
}