Initial Commit

src/ams.kt

@@ -0,0 +1,76 @@
+import java.util.*
+
+fun main(args: Array<String>) {
+    feedTheFish()
+}
+
+fun shouldChangeWater(
+    day: String,
+    temp: Int = 22,
+    dirty: Int = 22
+): Boolean {
+    return when {
+        isTooHot(temp) -> true
+        isDirty(dirty) -> true
+        isSunday(day) -> true
+        else -> false
+    }
+}
+
+fun isTooHot(temp: Int) = temp > 30
+fun isDirty(dirty: Int) = dirty > 30
+fun isSunday(day: String) = day == "Sunday"
+
+fun dayOfWeek() {
+    println("What day is it today?")
+    var day: String? = null
+    day = when(Calendar.getInstance().get(Calendar.DAY_OF_WEEK)) {
+        1 -> "Sunday"
+        2 -> "Monday"
+        3 -> "Tuesday"
+        4 -> "Wednesday"
+        5 -> "Thursday"
+        6 -> "Friday"
+        7 -> "Saturday"
+        else -> "wut?"
+    }
+    println("Today is: $day")
+}
+
+fun feedTheFish() {
+    val day = randomDay()
+    val food = fishFood(day)
+    print("Today is $day and the fish eat $food")
+    if (shouldChangeWater(day)) {
+        println("Change the water today")
+    }
+}
+
+fun fitMoreFish(
+    tankSize: Double,
+    currentFish: List<Int>,
+    fishSize: Int = 2,
+    hasDecorations: Boolean = true
+): Boolean {
+    val tankCap = tankSize.times(if(hasDecorations) 0.8 else 1.0)
+    val currentTotalSize = if(currentFish.isNotEmpty()) currentFish.sum() else 0
+    return tankCap.minus(currentTotalSize) >= fishSize
+}
+
+fun fishFood(day: String): String {
+    return when(day) {
+        "Monday" -> "flakes"
+        "Tuesday" -> "pellets"
+        "Wednesday" -> "redworms"
+        "Thursday" -> "granules"
+        "Friday" -> "mosquitoes"
+        "Saturday" -> "lettuce"
+        "Sunday" -> "plankton"
+        else -> "fasting"
+    }
+}
+
+fun randomDay() : String {
+    val week = listOf<String>("Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday", "Sunday")
+    return week[Random().nextInt(week.count())]
+}