// CSC 581 - Spring 2018 - Dave Reed
// Exercises from 2/6/18
//////////////////////////////////////////////////////////////

class Die {
    private var numSides: Int
    private var numRolls: Int
    
    init(withSides sides: Int = 6) {
        self.numSides = sides
        self.numRolls = 0
    }
    
    func roll() -> Int {
        self.numRolls += 1
        return Int(arc4random_uniform(UInt32(self.numSides)))+1
    }
    
    func numberOfSides() -> Int {
        return self.numSides
    }
    
    func numberOfRolls() -> Int {
        return self.numRolls
    }
}


func rollUntilDoubles(dieSides sides: Int = 6) -> Int {
    var die1 = Die(withSides: sides)
    var die2 = Die(withSides: sides)
    
    var roll1 = -1
    var roll2 = -2
    while (roll1 != roll2) {
        roll1 = die1.roll()
        roll2 = die2.roll()
        print("\(roll1)-\(roll2)")
    }
    return die1.numberOfRolls()
}