<?php

namespace PHPCI\Plugin\Util\TestResultParsers;

use PHPCI\Builder;

/**
 * Class Codeception
 *
 * @author  Adam Cooper <adam@networkpie.co.uk>
 * @package PHPCI\Plugin\Util\TestResultParsers
 */
class Codeception implements ParserInterface
{
    protected $phpci;
    protected $resultsXml;

    protected $results;

    protected $totalTests;
    protected $totalTimeTaken;
    protected $totalFailures;
    protected $totalErrors;

    /**
     * @param Builder $phpci
     * @param $resultsXml
     */
    public function __construct(Builder $phpci, $resultsXml)
    {
        $this->phpci = $phpci;
        $this->resultsXml = $resultsXml;

        $this->totalTests = 0;
    }

    /**
     * @return array An array of key/value pairs for storage in the plugins result metadata
     */
    public function parse()
    {
        $rtn = array();

        $this->results = new \SimpleXMLElement($this->resultsXml);

        // calculate total results
        foreach ($this->results->testsuite as $testsuite) {
            $this->totalTests += (int) $testsuite['tests'];
            $this->totalTimeTaken += (float) $testsuite['time'];
            $this->totalFailures += (int) $testsuite['failures'];
            $this->totalErrors += (int) $testsuite['errors'];

            foreach ($testsuite->testcase as $testcase) {
                $testresult = array(
                    'suite' => (string) $testsuite['name'],
                    'file' => str_replace($this->phpci->buildPath, '/', (string) $testcase['file']),
                    'name' => (string) $testcase['name'],
                    'feature' => (string) $testcase['feature'],
                    'assertions' => (int) $testcase['assertions'],
                    'time' => (float) $testcase['time']
                );

                if (isset($testcase['class'])) {
                    $testresult['class'] = (string) $testcase['class'];
                }

                // PHPUnit testcases does not have feature field. Use class::method instead
                if (!$testresult['feature']) {
                    $testresult['feature'] = sprintf('%s::%s', $testresult['class'], $testresult['name']);
                }

                if (isset($testcase->failure) || isset($testcase->error)) {
                    $testresult['pass'] = false;
                    $testresult['message'] =  isset($testcase->failure) ? (string) $testcase->failure : (string) $testcase->error;
                } else {
                    $testresult['pass'] = true;
                }

                $rtn[] = $testresult;
            }
        }

        return $rtn;
    }

    /**
     * Get the total number of tests performed.
     *
     * @return int
     */
    public function getTotalTests()
    {
        return $this->totalTests;
    }

    /**
     * The time take to complete all tests
     *
     * @return mixed
     */
    public function getTotalTimeTaken()
    {
        return $this->totalTimeTaken;
    }

    /**
     * A count of the test failures
     *
     * @return mixed
     */
    public function getTotalFailures()
    {
        return $this->totalFailures + $this->totalErrors;
    }
}