package features

import (
	"fmt"

	"kvs/utils"
)

// GetTamperLogKey generates the storage key for a tamper log entry
func GetTamperLogKey(timestamp string, entryUUID string) string {
	return fmt.Sprintf("log:%s:%s", timestamp, entryUUID)
}

// GetMerkleLogKey generates the storage key for hourly Merkle tree roots
func GetMerkleLogKey(timestamp string) string {
	return fmt.Sprintf("log:merkle:%s", timestamp)
}

// GenerateLogSignature creates a SHA3-512 signature for a log entry
func GenerateLogSignature(timestamp, action, userUUID, resource string) string {
	// Concatenate all fields in a deterministic order
	data := fmt.Sprintf("%s|%s|%s|%s", timestamp, action, userUUID, resource)
	return utils.HashSHA3512(data)
}