<?php
/**
 * Class FizzBuzz
 *
 * FizzBuzz class implemented in the OOP style.  This class will handle all aspects of the FizzBuzz requirements.  The user can also
 * create additional divisors and result strings as required.  The only divisor implemented by default is 3 for "Fizz".
 *
 * @author  Keith Jones
 * @copyright   Keith Jones 11/20/2014
 * @version 1.0
 * @since   11/20/2014
 * @package OOPFB
 */
class FizzBuzz {

    private $count = 0;
    private $outputSent = false;
    private $divisors = array();

    public function FizzBuzz() {

        $this->addDivisor(3, 'Fizz');

    }

    private function setOutputSent ($bool = true) {

        if(is_bool($bool)) {
            $this->outputSent = $bool;
        } else {
            throw new Exception('OutputSent value not boolean');
        }

    }

    private function getOutputSent () {

        return $this->outputSent;

    }

    private function CountIsDivisibleBy($number) {

        return $this->count%$number==0 ? true : false;

    }


    public function addDivisor($divisor, $outputString) {

        if(!is_int($divisor)) {
            throw new Exception('Bad divisor');
        } elseif(!is_string($outputString)) {
            throw new Exception('Bad outputString');
        } else {
            $this->divisors[$divisor] = $outputString;
            return true;
        }

        return false;
    }

    public function Increment($number) {

        if(is_int($number) && $number > 0) {
            $this->count += $number;
        } else {
            throw new Exception('Bad incrementer');
        }

    }

    public function getNumber () {

        return $this->count;

    }

    public function printNumber () {

        $output = '';

        foreach($this->divisors as $divisor => $outputString) {
            if($this->CountIsDivisibleBy($divisor)) {
                echo $outputString;
                $this->setOutputSent();
            }
        }

        if($this->outputSent == false) {
            echo $this->count;
        }

        echo "\n";
        $this->setOutputSent(false);

    }

}

$maxNum = 100;

try {
    $fb = new FizzBuzz();
    $fb->addDivisor(5, 'Buzz');
} catch (Exception $e) {
    echo 'Instantiation Exception: ' . $e->getMessage() . "\n";
}


do {

    try {
        $fb->Increment(1);
        $fb->printNumber();
    } catch (Exception $e) {
        echo 'Exception: ' . $e->getMessage() . "\n";
    }

} while ($fb->getNumber() < $maxNum);


?>