<?php

namespace Coduo\PhpSpec\DataProvider\Runner\Maintainer;

use Coduo\PhpSpec\DataProvider\Annotation\Parser;
use PhpSpec\Loader\Node\ExampleNode;
use PhpSpec\Runner\CollaboratorManager;
use PhpSpec\Runner\Maintainer\MaintainerInterface;
use PhpSpec\Runner\MatcherManager;
use PhpSpec\SpecificationInterface;

class DataProviderMaintainer implements MaintainerInterface
{
	const EXAMPLE_NUMBER_PATTERN = '/^(\d+)\)/';

	/**
	 * @param ExampleNode $example
	 *
	 * @return bool
	 */
	public function supports(ExampleNode $example)
	{
		return $this->haveValidDataProvider($example);
	}


	/**
	 * @param ExampleNode            $example
	 * @param SpecificationInterface $context
	 * @param MatcherManager         $matchers
	 * @param CollaboratorManager    $collaborators
	 */
	public function prepare(
		ExampleNode $example,
		SpecificationInterface $context,
		MatcherManager $matchers,
		CollaboratorManager $collaborators,
	) {
		$exampleNum = $this->getExampleNumber($example->getTitle());
		$providedData = $this->getDataFromProvider($example);

		if (! array_key_exists($exampleNum, $providedData)) {
		    return ;
		}

		$data = $providedData[$exampleNum];

		foreach ($example->getFunctionReflection()->getParameters() as $position => $parameter) {
		    if (!isset($data[$position])) {
		        continue;
		    }
		    $collaborators->set($parameter->getName(), $data[$position]);
		}
	}


	/**
	 * @param ExampleNode            $example
	 * @param SpecificationInterface $context
	 * @param MatcherManager         $matchers
	 * @param CollaboratorManager    $collaborators
	 */
	public function teardown(
		ExampleNode $example,
		SpecificationInterface $context,
		MatcherManager $matchers,
		CollaboratorManager $collaborators,
	) {
	}


	/**
	 * @return int
	 */
	public function getPriority()
	{
		return 50;
	}


	private function haveValidDataProvider(ExampleNode $example)
	{
		$parser = new Parser();
		$dataProviderMethod = $parser->getDataProvider($example->getFunctionReflection());

		if (!isset($dataProviderMethod)) {
		    return false;
		}

		if (!$example->getSpecification()->getClassReflection()->hasMethod($dataProviderMethod)) {
		    return false;
		}

		$subject = $example->getSpecification()->getClassReflection()->newInstance();
		$providedData = $example->getSpecification()->getClassReflection()->getMethod($dataProviderMethod)->invoke($subject);

		if (!is_array($providedData)) {
		    return false;
		}

		$exampleParamsCount = count($example->getFunctionReflection()->getParameters());
		foreach ($providedData as $dataRow) {
		    if (!is_array($dataRow)) {
		        return false;
		    }
		}

		return true;
	}


	/**
	 * @param ExampleNode $example
	 * @return bool|mixed
	 */
	private function getDataFromProvider(ExampleNode $example)
	{
		$parser = new Parser();
		$dataProviderMethod = $parser->getDataProvider($example->getFunctionReflection());

		if (!isset($dataProviderMethod)) {
		    return array();
		}

		if (!$example->getSpecification()->getClassReflection()->hasMethod($dataProviderMethod)) {
		    return array();
		}

		$subject = $example->getSpecification()->getClassReflection()->newInstance();
		$providedData = $example->getSpecification()->getClassReflection()->getMethod($dataProviderMethod)->invoke($subject);

		return (is_array($providedData)) ? $providedData : array();
	}


	/**
	 * @param $title
	 * @return int
	 */
	private function getExampleNumber($title)
	{
		if (0 === preg_match(self::EXAMPLE_NUMBER_PATTERN, $title, $matches)) {
		    return 0;
		}

		return (int) $matches[1] - 1;
	}
}
__halt_compiler();----SIGNATURE:----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----ATTACHMENT:----OTY3MzM3MTUyNjI2OTIxMiA2NTg5MTY3NzkxMDQ3NDQ4IDQ2NDAyMDI5OTM5OTA4MDk=