<?php
/**
 * Created by PhpStorm.
 * User: thomas
 * Date: 16.04.18
 * Time: 14:00
 */

namespace PSC\Library\Calc\Calc;

use PSC\Library\Calc\Article;
use PSC\Library\Calc\Engine;
use PSC\Library\Calc\General\Type\Edge;
use PSC\Library\Calc\General\Type\EdgeCollection;
use PSC\Library\Calc\General\Type\EdgeCollectionContainer;
use PSC\Library\Calc\Option\Type\Base;
use PSC\Library\Calc\Option\Type\PaperDbSelect;
use PSC\Library\Calc\Option\Type\Select;
use PSC\Library\Calc\Tests\Mock\Paper;
use SebastianBergmann\CodeCoverage\Report\PHP;

class CalcValues
{
    /** @var Engine */
    protected $engine = null;

    /** @var Article */
    protected $article = null;

    protected $storageFormulas = [];

    protected $storageCalcValues = [];

    protected $formelCalc = null;

    /**
     * Calc constructor.
     * @param Engine $engine
     * @param Article $article
     */
    public function __construct($engine, $article)
    {
        $this->engine = $engine;
        $this->article = $article;
        $this->formelCalc = new Formel($engine, $article);
    }

    public function calc()
    {
        $price = 0;

        /** @var Base $option */
        foreach($this->article->getOptions() as $option) {

            if($option instanceof Select) {
                /** @var Select\Opt $opt */
                foreach($option->getOptions() as $opt) {
                    if($opt->isValid() && $opt->isSelected()) {
                        $price = $this->parseEdgeCollection($price, $option->getId(), $opt->getEdgesCollectionContainer());
                    }
                }
            }

            $this->parseEdgeCollection($price, $option->getId(), $option->getEdgesCollectionContainer());

        }

        return $price;
    }

    /**
     * @param $price
     * @param id
     * @param EdgeCollectionContainer $container
     * @return int
     */
    private function parseEdgeCollection($price, $id, EdgeCollectionContainer $container, $isSub = false)
    {

        $calcValue1 = 0;
        $calcValue2 = 0;
        $calcValueAccount1 = 0;
        $calcValueAccount2 = 0;

        eval($this->engine->getParameters());
        eval($this->engine->getFormulas());

        /** @var EdgeCollection $collection */
        foreach($container as $collection) {
            if($collection->getName() == "opt") continue;
            if($collection->getFormel() != "") {
                $formel = $this->formelCalc->parse($collection->getFormel());
                if(preg_match("/^[a-z](.*)/", $formel)) {
                    eval('$var = "' . $formel . '";');
                }else{
                    eval('$var = ' . $formel . ';');
                }

            }else{
                if(!isset($this->engine->getVariables()[$collection->getName()])) {
                    $var = 'XXXXXXXX';
                }else{
                    $var = $this->engine->getVariables()[$collection->getName()];
                }
            }

            /** @var Edge $edge */
            foreach($collection as $edge) {

                if($edge->isValid($var)) {

                    if($edge->getCalcValue() != "") {
                        $cv = $this->formelCalc->parse($edge->getCalcValue());
                        eval('$cv = ' . $cv . ';');
                        //echo $id  . ' '. $this->formelCalc->parse($edge->getCalcValue()) . ' ' . $cv . ' '. PHP_EOL.PHP_EOL;

                        $this->engine->addCalcVariable($id, $cv);

                        $this->engine->addCalcVariable($id . '_' . $collection->getName(), $cv);


                    }
                    if($edge->getEdgesCollectionContainer()->count() > 0) {
                        $this->parseEdgeCollection($price,  $id . '_' . $collection->getName(), $edge->getEdgesCollectionContainer(), true);
                    }

                }
            }
        }

        return $price;
    }

}