<?php

namespace Yeeply\FrontPublicBundle\Calculator;

use Yeeply\FrontPublicBundle\Calculator\Model\PublishProjectCalculatorRangeModel;
use Yeeply\FrontPublicBundle\Calculator\ProjectWeightCalculator\ProjectWeightCalculatorInterface;
use Yeeply\FrontPublicBundle\Calculator\ProjectWeightCalculator\ProjectWeightCategoryCalculator;
use Yeeply\FrontPublicBundle\Calculator\ProjectWeightCalculator\ProjectWeightHourPrizeCalculator;
use Yeeply\FrontPublicBundle\Calculator\ProjectWeightCalculator\ProjectWeightServicesCalculator;
use Yeeply\FrontPublicBundle\Calculator\ProjectWeightCalculator\ProjectWeightTypeCalculator;

/**
 * Class PublishProjectRangeCalculator
 *
 * @package Yeeply\FrontPublicBundle\Calculator
 */
class PublishProjectRangeCalculator
{
    private $calculators;

    /**
     * PublishProjectRangeCalculator constructor.
     */
    public function __construct()
    {
        $this->addWeightCalculator(new ProjectWeightHourPrizeCalculator());
        $this->addWeightCalculator(new ProjectWeightCategoryCalculator());
        $this->addWeightCalculator(new ProjectWeightTypeCalculator());
        $this->addWeightCalculator(new ProjectWeightServicesCalculator());
    }

    /**
     * @param ProjectWeightCalculatorInterface $weightCalculator
     */
    private function addWeightCalculator(ProjectWeightCalculatorInterface $weightCalculator)
    {
        $this->calculators[] = $weightCalculator;
    }

    /**
     * @param PublishProjectCalculatorRangeModel $publishProjectCalculatorRangeModel
     *
     * @return array
     */
    public function calculate(PublishProjectCalculatorRangeModel $publishProjectCalculatorRangeModel)
    {
        $result = array(
            'hight' => 0,
            'medium' => 0,
            'low' => 0,
        );

        if (!$publishProjectCalculatorRangeModel->isValid()) {
            return $result;
        }

        $price = 1;
        foreach ($this->calculators as $calculator) {
            $price = $price * $calculator->calculate($publishProjectCalculatorRangeModel);
        }

        return $result;
    }
}