package drills.drill02.exercise2

import util.rmi.Client

fun main() {
    Client(clientHandler).start()
}

val clientHandler = {
    val rev = Client.lookup("rev") as Rev

    println("Enter two numbers:")
    val a = readLine()?.toInt() ?: 0
    val b = readLine()?.toInt() ?: 0

    val sum = rev.executeTask { a + b }
    println("The sum of $a and $b is $sum")

    println("Enter the number of which you want to calculate the factorial:")
    val n = readLine()?.toInt() ?: 0

    val fact = rev.executeTask { fact(n) }
    println("The factorial of $n is $fact")
}

fun fact(n: Int): Long = if (n <= 1) 1 else n * fact(n - 1)