Number Generator for Lottery Games.

NumberGenerator

class NumberGenerator
{
    class func generateLottoNumbers(#count:Int,maxRange:UInt32, duplicatesAllowed:Bool = false) -> ([Int])
    {
        var i = 0
        var uniqueSet = NSMutableSet(capacity: count)
        var numberArray1 = [Int]()
        
        do{
            var genNumber = (Int(arc4random() % maxRange + 1))
            uniqueSet.addObject(genNumber)
            numberArray1.append(genNumber)
            ++i
        } while i < count
        
        if duplicatesAllowed == false
        {
            if uniqueSet.count != count
            {
                return self.generateLottoNumbers(count: count, maxRange: maxRange)
            }
        }
        
        numberArray1.sort({$0<$1})
        
        return numberArray1
    }
}