var randomInt: Int = 0
var attemptCounter: Int = 0
fun main(args: Array<String>) {

    gameTypeSelection()

}
fun gameTypeSelection(){
    println("Select type of game:\n 1. Human vs Human\n 2. Human vs AI\n 3. AI vs AI")
    val type = readLine()?.toInt()
    if (type == 1){
        println("You have selected Human vs Human")
        randomNumberImplementation()
    }else if (type == 2){
        println("You have selected Human vs AI")
        randomNumberGenerator(true)
    }else if (type == 3){
        println("You have selected AI vs AI")
        randomNumberGenerator(false)
    }else{
        println("You have selected wrong")
        gameTypeSelection()
    }
}
//for AI and human player 2.
fun randomNumberGenerator(type: Boolean){
    randomInt = (Math.random()*101).toInt()
    println("This is random number $randomInt")//check
    if (type){
        numberGuessing()
    }else{
        numberGuessingForAI()
    }
}
//for human player
fun randomNumberImplementation(){
    println("First player must enter number between 1 and 100")
    randomInt = readLine()?.toInt()!!
    if(randomInt in 1..100){
        numberGuessing()
    }else{
        println("Error.")
        randomNumberImplementation()
    }
}
//for AI player
fun numberGuessingForAI(){
    var guessAI = (Math.random()*101).toInt()
    println(guessAI)
    guesValueCheckForAI(guessAI)
}
fun guesValueCheckForAI(value: Int){
    if (value < randomInt){
        attemptCounter++
        numberGuessingForAI()
    }else if (value > randomInt){
        attemptCounter++
        numberGuessingForAI()
    }else if (value == randomInt){
        println("Correct guess is $value")
        guessCounter(false)
    }
}
//for human player
fun numberGuessing(){
    println("Player guess number")
    val ats = readLine()?.toInt()
    if (ats != null) {
        checkingGuess(ats)
    }
}
fun checkingGuess(ats: Int){
    if(ats < randomInt){
        println("Is more")
        guessCounter(true)
    }else if(ats > randomInt){
        println("Is less")
        guessCounter(true)
    }else if (ats == randomInt){
        println("Correct guess is $ats")
        guessCounter(false)
    }
}
fun guessCounter(check: Boolean){
    if(check){
        attemptCounter++
        numberGuessing()
    }else{
        attemptCounter++
        println("Guessed $attemptCounter times")
    }
}