package kr.co.vividnext.sodalive.utils

import java.nio.charset.StandardCharsets
import java.security.SecureRandom
import java.util.Base64
import java.util.Random
import java.util.UUID

fun generatePassword(length: Int): String {
    val characterSet = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz!@#$%^&*()1234567890"
    val random = SecureRandom()
    val password = StringBuilder()

    for (i in 0 until length) {
        val rIndex = random.nextInt(characterSet.length)
        password.append(characterSet[rIndex])
    }

    return password.toString()
}

fun generateFileName(prefix: String = ""): String {
    val timestamp = System.currentTimeMillis()
    val random = Random().nextInt(10000)
    val uuid = UUID.randomUUID().toString()

    return if (prefix.isBlank()) {
        Base64
            .getUrlEncoder()
            .encodeToString("$uuid-$random-$timestamp".toByteArray(StandardCharsets.UTF_8))
    } else {
        "$prefix-$uuid-$random-$timestamp"
    }
}