tavern-number.kt

import kotlin.math.roundToInt

var playerGold = 10
var playerSilver = 10

fun main(args: Array<String>) {
    orderDrink("ale,dragon's breath,5.932")
}

private fun orderDrink(drinkData: String) {
    val indexOfClosingBracket = drinkData.indexOf("]")
    //type
    val drinkType = drinkData.substringBefore(",")
    //price
    val drinkPrice = drinkData.substringAfterLast(",")
    val indexOfFirst = drinkData.indexOfFirst { it == ',' }
    val indexOfLast = drinkData.indexOfLast { it == ',' }
    //drinkName
    val drinkName = drinkData.substring(indexOfFirst + 1 until indexOfLast)
    //a faster way to show this would be to use .split - also would be more real world..and frankly
    // possibly easier to understand as well with a little bit of explanation that we'll see all the details of list
    println("SimTavern -> orderDrink type: $drinkType , name: $drinkName , price: $drinkPrice")
    val bartenderRemarks =
            "Ah, a delicious $drinkType...nothing satisfies like a $drinkName."
    println("Bartender: $bartenderRemarks")
    purchaseDrink(drinkPrice.toDouble())
    println("You consume a $drinkName.")
    println("You exclaim: " + l33tSpeak("${drinkName}s are delicious!"))
}


fun purchaseDrink(price: Double) {
    displayBalance()
    // exchange rate: 1 gold = 100 silvers. if a player buys a drink costing 5.932,
    // it should result in a remaining balance of 4.17 after rounding .16999 to .17 (after modulus)
    val balanceTotal = playerGold + (playerSilver / 100.0)
    println("total purse, converted to gold: " + balanceTotal)
    val remaining = balanceTotal - price
    println("total purse remaining, in gold: ${String.format("%.2f", remaining)}")
    val remainingGold = remaining.toInt()
    val remainingSilver = (remaining % 1 * 100).roundToInt() //any way to skip the round to int?
    playerGold = remainingGold
    playerSilver = remainingSilver
    displayBalance()
}
//FMC : deal with a negative balance

private fun displayBalance() {
    println("player's account balance: gold: $playerGold , silver: $playerSilver")
}

private fun l33tSpeak(nameOfDrink: String) =
        nameOfDrink.replace(Regex("[aeiou]")) {
            when (it.value) {
                "a" -> "4"
                "e" -> "3"
                "i" -> "1"
                "o" -> "0"
                else -> it.value
            }
        }