<?php
namespace App\KommaApp\Shop;

/**
 * Runs unit / feature / browser tests for the shop
 *
 * Class TestsController
 * @package App\KommaApp\Shop\
 */
class TestsController implements TestsControllerInterface
{
    /**
     * Folder where the Unit, Feature, test folders and Reports folder is stored
     * @var string $testsFolder
     */
    private $testsFolder;

    /**
     * Folder where the browser screenshots are stored
     */
    private $screenshotFolder;

    /**
     * @var string The directory this file resides in relative to the root of this project.
     */
    private $baseDirectory;

    /**
     * @var bool Wheter or not to show more debugging information about phpunit/dusk
     */
    private $debug;

    public function __construct()
    {
        $this->baseDirectory = lcfirst(str_replace('\\', DIRECTORY_SEPARATOR,__NAMESPACE__)).DIRECTORY_SEPARATOR;
        $this->testsFolder = $this->baseDirectory.'Tests'.DIRECTORY_SEPARATOR;
        $this->screenshotFolder = $this->baseDirectory.'Tests'.DIRECTORY_SEPARATOR.'Browser'.DIRECTORY_SEPARATOR.'screenshots'.DIRECTORY_SEPARATOR;
        $this->debug = true;
    }

    public function showBanner($text = 'testing')
    {
        echo '######################################################'.PHP_EOL;
        echo '##  '.$text.PHP_EOL;
        echo '######################################################'.PHP_EOL.PHP_EOL;
    }

    public function phpunit(string $filterOrGroup = null, string $filterOrGroupValue = null)
    {
        $this->showBanner('Starting unit test...');

        if($this->debug)
        {
            $phpUnit = 'php -d display_errors=On -d memory_limit=768M '.base_path('vendor/bin/phpunit');
        } else {
            $phpUnit = base_path('vendor/bin/phpunit');
        }

        $parameters = [];
        $parameters['-c'] = base_path($this->baseDirectory.'phpunit.xml');
        $parameters['--bootstrap'] = base_path('bootstrap/autoload.php');
//        $parameters['--coverage-clover'] = $this->testsFolder.'reports'.DIRECTORY_SEPARATOR.'clover';
//        $parameters['--coverage-html'] = $this->testsFolder.'reports'.DIRECTORY_SEPARATOR.'html';

        if($filterOrGroupValue != "" && ($filterOrGroup == "--filter" || $filterOrGroup == "--group")) $parameters[$filterOrGroup] = $filterOrGroupValue;

        $parameterstring = "";
        foreach($parameters as $key => $parameter) $parameterstring .= " ".$key." ".$parameter;

        if($this->debug) {
            $command = $phpUnit.' --debug '.$parameterstring;
        } else {
            $command = $phpUnit.$parameterstring;
        }

        $lines = [];

        if($this->debug)
        {
            $lines[] = $command;
            $lines[] = "";
        }
        exec($command, $lines);

        $this->echoResult($lines);
    }

    public function clearBrowserScreenshots()
    {
        $this->showBanner('Clearing old browser test screenshots');

        if(!file_exists($this->screenshotFolder)) return;

        $images = glob($this->screenshotFolder."*.png");
        foreach ($images as $image)
        {
            unlink($image);
        }
    }

    public function dusk(string $filterOrGroup = null, string $filterOrGroupValue = null)
    {
        $this->clearBrowserScreenshots();

        $this->showBanner('Starting browser test...');

        if($this->debug)
        {
            $phpUnit = 'php -d display_errors=On -d memory_limit=768M '.base_path('vendor/bin/phpunit');
        } else {
            $phpUnit = base_path('vendor/bin/phpunit');
        }

        $parameters = [];
        $parameters['-c'] = base_path($this->baseDirectory.'phpunit.dusk.xml');
        $parameters['--bootstrap'] = base_path('bootstrap/autoload.php');
//        $parameters['--coverage-clover'] = $this->testsFolder.'reports'.DIRECTORY_SEPARATOR.'clover';
//        $parameters['--coverage-html'] = $this->testsFolder.'reports'.DIRECTORY_SEPARATOR.'html';

        if($filterOrGroupValue != "" && ($filterOrGroup == "--filter" || $filterOrGroup == "--group")) $parameters[$filterOrGroup] = $filterOrGroupValue;

        $parameterstring = "";
        foreach($parameters as $key => $parameter) $parameterstring .= " ".$key." ".$parameter;

        if($this->debug) {
            $command = $phpUnit.' --debug '.$parameterstring;
        } else {
            $command = $phpUnit.$parameterstring;
        }

        $lines = [];
        exec($command, $lines);
        $this->echoResult($lines);
    }

    /**
     * Echos exec command result
     *
     * @param array $result
     */
    private function echoResult(array $result)
    {
        foreach($result as $line) echo $line.PHP_EOL;
    }
}