<?php declare(strict_types=1);
/*
 * This file is part of PHPUnit.
 *
 * (c) Sebastian Bergmann <sebastian@phpunit.de>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
namespace PHPUnit\Runner;

use function file_put_contents;
use function sprintf;
use PHPUnit\Event\Facade as EventFacade;
use PHPUnit\Framework\TestCase;
use PHPUnit\TextUI\Configuration\CodeCoverageFilterRegistry;
use PHPUnit\TextUI\Configuration\Configuration;
use PHPUnit\TextUI\Output\Printer;
use SebastianBergmann\CodeCoverage\Driver\Driver;
use SebastianBergmann\CodeCoverage\Driver\Selector;
use SebastianBergmann\CodeCoverage\Exception as CodeCoverageException;
use SebastianBergmann\CodeCoverage\Filter;
use SebastianBergmann\CodeCoverage\Report\Clover as CloverReport;
use SebastianBergmann\CodeCoverage\Report\Cobertura as CoberturaReport;
use SebastianBergmann\CodeCoverage\Report\Crap4j as Crap4jReport;
use SebastianBergmann\CodeCoverage\Report\Html\Colors;
use SebastianBergmann\CodeCoverage\Report\Html\CustomCssFile;
use SebastianBergmann\CodeCoverage\Report\Html\Facade as HtmlReport;
use SebastianBergmann\CodeCoverage\Report\PHP as PhpReport;
use SebastianBergmann\CodeCoverage\Report\Text as TextReport;
use SebastianBergmann\CodeCoverage\Report\Thresholds;
use SebastianBergmann\CodeCoverage\Report\Xml\Facade as XmlReport;
use SebastianBergmann\CodeCoverage\Test\TestSize\TestSize;
use SebastianBergmann\CodeCoverage\Test\TestStatus\TestStatus;
use SebastianBergmann\Comparator\Comparator;
use SebastianBergmann\Timer\NoActiveTimerException;
use SebastianBergmann\Timer\Timer;

/**
 * @no-named-arguments Parameter names are not covered by the backward compatibility promise for PHPUnit
 *
 * @internal This class is not covered by the backward compatibility promise for PHPUnit
 *
 * @codeCoverageIgnore
 */
final class CodeCoverage
{
    private static ?self $instance                                      = null;
    private ?\SebastianBergmann\CodeCoverage\CodeCoverage $codeCoverage = null;
    private ?Driver $driver                                             = null;
    private bool $collecting                                            = false;
    private ?TestCase $test                                             = null;
    private ?Timer $timer                                               = null;

    /**
     * @var array<string,list<int>>
     */
    private array $linesToBeIgnored = [];

    public static function instance(): self
    {
        if (self::$instance === null) {
            self::$instance = new self;
        }

        return self::$instance;
    }

    public function init(Configuration $configuration, CodeCoverageFilterRegistry $codeCoverageFilterRegistry, bool $extensionRequiresCodeCoverageCollection): void
    {
        $codeCoverageFilterRegistry->init($configuration);

        if (!$configuration->hasCoverageReport() && !$extensionRequiresCodeCoverageCollection) {
            return;
        }

        $this->activate($codeCoverageFilterRegistry->get(), $configuration->pathCoverage());

        if (!$this->isActive()) {
            return;
        }

        if ($configuration->hasCoverageCacheDirectory()) {
            $this->codeCoverage()->cacheStaticAnalysis($configuration->coverageCacheDirectory());
        }

        $this->codeCoverage()->excludeSubclassesOfThisClassFromUnintentionallyCoveredCodeCheck(Comparator::class);

        if ($configuration->strictCoverage()) {
            $this->codeCoverage()->enableCheckForUnintentionallyCoveredCode();
        }

        if ($configuration->ignoreDeprecatedCodeUnitsFromCodeCoverage()) {
            $this->codeCoverage()->ignoreDeprecatedCode();
        } else {
            $this->codeCoverage()->doNotIgnoreDeprecatedCode();
        }

        if ($configuration->disableCodeCoverageIgnore()) {
            $this->codeCoverage()->disableAnnotationsForIgnoringCode();
        } else {
            $this->codeCoverage()->enableAnnotationsForIgnoringCode();
        }

        if ($configuration->includeUncoveredFiles()) {
            $this->codeCoverage()->includeUncoveredFiles();
        } else {
            $this->codeCoverage()->excludeUncoveredFiles();
        }

        if ($codeCoverageFilterRegistry->get()->isEmpty()) {
            if (!$codeCoverageFilterRegistry->configured()) {
                EventFacade::emitter()->testRunnerTriggeredWarning(
                    'No filter is configured, code coverage will not be processed',
                );
            } else {
                EventFacade::emitter()->testRunnerTriggeredWarning(
                    'Incorrect filter configuration, code coverage will not be processed',
                );
            }

            $this->deactivate();
        }
    }

    /**
     * @phpstan-assert-if-true !null $this->instance
     */
    public function isActive(): bool
    {
        return $this->codeCoverage !== null;
    }

    public function codeCoverage(): \SebastianBergmann\CodeCoverage\CodeCoverage
    {
        return $this->codeCoverage;
    }

    public function driver(): Driver
    {
        return $this->driver;
    }

    public function start(TestCase $test): void
    {
        if ($this->collecting) {
            return;
        }

        $size = TestSize::unknown();

        if ($test->size()->isSmall()) {
            $size = TestSize::small();
        } elseif ($test->size()->isMedium()) {
            $size = TestSize::medium();
        } elseif ($test->size()->isLarge()) {
            $size = TestSize::large();
        }

        $this->test = $test;

        $this->codeCoverage->start(
            $test->valueObjectForEvents()->id(),
            $size,
        );

        $this->collecting = true;
    }

    /**
     * @param array<string,list<int>>|false $linesToBeCovered
     * @param array<string,list<int>>       $linesToBeUsed
     */
    public function stop(bool $append = true, array|false $linesToBeCovered = [], array $linesToBeUsed = []): void
    {
        if (!$this->collecting) {
            return;
        }

        $status = TestStatus::unknown();

        if ($this->test !== null) {
            if ($this->test->status()->isSuccess()) {
                $status = TestStatus::success();
            } else {
                $status = TestStatus::failure();
            }
        }

        /* @noinspection UnusedFunctionResultInspection */
        $this->codeCoverage->stop($append, $status, $linesToBeCovered, $linesToBeUsed, $this->linesToBeIgnored);

        $this->test       = null;
        $this->collecting = false;
    }

    public function deactivate(): void
    {
        $this->driver       = null;
        $this->codeCoverage = null;
        $this->test         = null;
    }

    public function generateReports(Printer $printer, Configuration $configuration): void
    {
        if (!$this->isActive()) {
            return;
        }

        if ($configuration->hasCoveragePhp()) {
            $this->codeCoverageGenerationStart($printer, 'PHP');

            try {
                $writer = new PhpReport;
                $writer->process($this->codeCoverage(), $configuration->coveragePhp());

                $this->codeCoverageGenerationSucceeded($printer);

                unset($writer);
            } catch (CodeCoverageException $e) {
                $this->codeCoverageGenerationFailed($printer, $e);
            }
        }

        if ($configuration->hasCoverageClover()) {
            $this->codeCoverageGenerationStart($printer, 'Clover XML');

            try {
                $writer = new CloverReport;
                $writer->process($this->codeCoverage(), $configuration->coverageClover());

                $this->codeCoverageGenerationSucceeded($printer);

                unset($writer);
            } catch (CodeCoverageException $e) {
                $this->codeCoverageGenerationFailed($printer, $e);
            }
        }

        if ($configuration->hasCoverageCobertura()) {
            $this->codeCoverageGenerationStart($printer, 'Cobertura XML');

            try {
                $writer = new CoberturaReport;
                $writer->process($this->codeCoverage(), $configuration->coverageCobertura());

                $this->codeCoverageGenerationSucceeded($printer);

                unset($writer);
            } catch (CodeCoverageException $e) {
                $this->codeCoverageGenerationFailed($printer, $e);
            }
        }

        if ($configuration->hasCoverageCrap4j()) {
            $this->codeCoverageGenerationStart($printer, 'Crap4J XML');

            try {
                $writer = new Crap4jReport($configuration->coverageCrap4jThreshold());
                $writer->process($this->codeCoverage(), $configuration->coverageCrap4j());

                $this->codeCoverageGenerationSucceeded($printer);

                unset($writer);
            } catch (CodeCoverageException $e) {
                $this->codeCoverageGenerationFailed($printer, $e);
            }
        }

        if ($configuration->hasCoverageHtml()) {
            $this->codeCoverageGenerationStart($printer, 'HTML');

            try {
                $customCssFile = CustomCssFile::default();

                if ($configuration->hasCoverageHtmlCustomCssFile()) {
                    $customCssFile = CustomCssFile::from($configuration->coverageHtmlCustomCssFile());
                }

                $writer = new HtmlReport(
                    sprintf(
                        ' and <a href="https://phpunit.de/">PHPUnit %s</a>',
                        Version::id(),
                    ),
                    Colors::from(
                        $configuration->coverageHtmlColorSuccessLow(),
                        $configuration->coverageHtmlColorSuccessMedium(),
                        $configuration->coverageHtmlColorSuccessHigh(),
                        $configuration->coverageHtmlColorWarning(),
                        $configuration->coverageHtmlColorDanger(),
                    ),
                    Thresholds::from(
                        $configuration->coverageHtmlLowUpperBound(),
                        $configuration->coverageHtmlHighLowerBound(),
                    ),
                    $customCssFile,
                );

                $writer->process($this->codeCoverage(), $configuration->coverageHtml());

                $this->codeCoverageGenerationSucceeded($printer);

                unset($writer);
            } catch (CodeCoverageException $e) {
                $this->codeCoverageGenerationFailed($printer, $e);
            }
        }

        if ($configuration->hasCoverageText()) {
            $processor = new TextReport(
                Thresholds::default(),
                $configuration->coverageTextShowUncoveredFiles(),
                $configuration->coverageTextShowOnlySummary(),
            );

            $textReport = $processor->process($this->codeCoverage(), $configuration->colors());

            if ($configuration->coverageText() === 'php://stdout') {
                $printer->print($textReport);
            } else {
                file_put_contents($configuration->coverageText(), $textReport);
            }
        }

        if ($configuration->hasCoverageXml()) {
            $this->codeCoverageGenerationStart($printer, 'PHPUnit XML');

            try {
                $writer = new XmlReport(Version::id());
                $writer->process($this->codeCoverage(), $configuration->coverageXml());

                $this->codeCoverageGenerationSucceeded($printer);

                unset($writer);
            } catch (CodeCoverageException $e) {
                $this->codeCoverageGenerationFailed($printer, $e);
            }
        }
    }

    /**
     * @param array<string,list<int>> $linesToBeIgnored
     */
    public function ignoreLines(array $linesToBeIgnored): void
    {
        $this->linesToBeIgnored = $linesToBeIgnored;
    }

    /**
     * @return array<string,list<int>>
     */
    public function linesToBeIgnored(): array
    {
        return $this->linesToBeIgnored;
    }

    private function activate(Filter $filter, bool $pathCoverage): void
    {
        try {
            if ($pathCoverage) {
                $this->driver = (new Selector)->forLineAndPathCoverage($filter);
            } else {
                $this->driver = (new Selector)->forLineCoverage($filter);
            }

            $this->codeCoverage = new \SebastianBergmann\CodeCoverage\CodeCoverage(
                $this->driver,
                $filter,
            );
        } catch (CodeCoverageException $e) {
            EventFacade::emitter()->testRunnerTriggeredWarning(
                $e->getMessage(),
            );
        }
    }

    private function codeCoverageGenerationStart(Printer $printer, string $format): void
    {
        $printer->print(
            sprintf(
                "\nGenerating code coverage report in %s format ... ",
                $format,
            ),
        );

        $this->timer()->start();
    }

    /**
     * @throws NoActiveTimerException
     */
    private function codeCoverageGenerationSucceeded(Printer $printer): void
    {
        $printer->print(
            sprintf(
                "done [%s]\n",
                $this->timer()->stop()->asString(),
            ),
        );
    }

    /**
     * @throws NoActiveTimerException
     */
    private function codeCoverageGenerationFailed(Printer $printer, CodeCoverageException $e): void
    {
        $printer->print(
            sprintf(
                "failed [%s]\n%s\n",
                $this->timer()->stop()->asString(),
                $e->getMessage(),
            ),
        );
    }

    private function timer(): Timer
    {
        if ($this->timer === null) {
            $this->timer = new Timer;
        }

        return $this->timer;
    }
}

.NET Framework

Project Request

ProjectC

Vehicle Maintenance

Movie Navigator

Customers Exchange

ATM

.NET Core

Mail Daemon

Custom

Buns of code

PHP

Mediabox

Loan Castle

Content Management

Laravel

Phone Check

Frontend

Forex Wall

Business projects

Certification Center

Amerikas Auto

Pet projects

Geolocation Assistant

Web Dynamics

Blackball

Good old times

DOS Clock

BrainOut

Airport Administrator

Atomizer

Mediabox