commonMain.com.dwursteisen.minigdx.scene.api.common.Id.kt Maven / Gradle / Ivy

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package com.dwursteisen.minigdx.scene.api.common

import kotlinx.serialization.ExperimentalSerializationApi
import kotlinx.serialization.Serializable
import kotlinx.serialization.protobuf.ProtoNumber
import kotlin.random.Random

@ExperimentalSerializationApi
@Serializable
data class Id(
    @ProtoNumber(1)
    val value: String = generate()
) {

    companion object {
        private fun generate(): String {
            val randomValues = ByteArray(ID_SIZE)
            Random.nextBytes(randomValues)
            return randomValues.map { it.toInt() and 0x0F }
                .joinToString("") { CONVERT[it] }
        }

        private const val ID_SIZE = 8

        private val CONVERT = arrayOf("0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D", "E", "F")

        val None = Id("NONE")
    }
}