<?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\TextUI\Output\TestDox;

use const PHP_EOL;
use function array_map;
use function assert;
use function explode;
use function implode;
use function preg_match;
use function preg_split;
use function rtrim;
use function str_starts_with;
use function trim;
use PHPUnit\Event\Code\Throwable;
use PHPUnit\Framework\TestStatus\TestStatus;
use PHPUnit\Logging\TestDox\TestResult as TestDoxTestResult;
use PHPUnit\Logging\TestDox\TestResultCollection;
use PHPUnit\TextUI\Output\Printer;
use PHPUnit\Util\Color;

/**
 * @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
 */
final readonly class ResultPrinter
{
    private Printer $printer;
    private bool $colors;
    private int $columns;
    private bool $printSummary;

    public function __construct(Printer $printer, bool $colors, int $columns, bool $printSummary)
    {
        $this->printer      = $printer;
        $this->colors       = $colors;
        $this->columns      = $columns;
        $this->printSummary = $printSummary;
    }

    /**
     * @param array<string, TestResultCollection> $tests
     */
    public function print(array $tests): void
    {
        $this->doPrint($tests, false);

        if ($this->printSummary) {
            $this->printer->print('Summary of tests with errors, failures, or issues:' . PHP_EOL . PHP_EOL);

            $this->doPrint($tests, true);
        }
    }

    public function flush(): void
    {
        $this->printer->flush();
    }

    /**
     * @param array<string, TestResultCollection> $tests
     */
    private function doPrint(array $tests, bool $onlySummary): void
    {
        foreach ($tests as $prettifiedClassName => $_tests) {
            $print = true;

            if ($onlySummary) {
                $found = false;

                foreach ($_tests as $test) {
                    if ($test->status()->isSuccess()) {
                        continue;
                    }

                    $found = true;

                    break;
                }

                if (!$found) {
                    $print = false;
                }
            }

            if (!$print) {
                continue;
            }

            $this->printPrettifiedClassName($prettifiedClassName);

            foreach ($_tests as $test) {
                if ($onlySummary && $test->status()->isSuccess()) {
                    continue;
                }

                $this->printTestResult($test);
            }

            $this->printer->print(PHP_EOL);
        }
    }

    private function printPrettifiedClassName(string $prettifiedClassName): void
    {
        $buffer = $prettifiedClassName;

        if ($this->colors) {
            $buffer = Color::colorizeTextBox('underlined', $buffer);
        }

        $this->printer->print($buffer . PHP_EOL);
    }

    private function printTestResult(TestDoxTestResult $test): void
    {
        $this->printTestResultHeader($test);
        $this->printTestResultBody($test);
    }

    private function printTestResultHeader(TestDoxTestResult $test): void
    {
        $buffer = ' ' . $this->symbolFor($test->status()) . ' ';

        if ($this->colors) {
            $this->printer->print(
                Color::colorizeTextBox(
                    $this->colorFor($test->status()),
                    $buffer,
                ),
            );
        } else {
            $this->printer->print($buffer);
        }

        $this->printer->print($test->test()->testDox()->prettifiedMethodName($this->colors) . PHP_EOL);
    }

    private function printTestResultBody(TestDoxTestResult $test): void
    {
        if ($test->status()->isSuccess()) {
            return;
        }

        if (!$test->hasThrowable()) {
            return;
        }

        $this->printTestResultBodyStart($test);
        $this->printThrowable($test);
        $this->printTestResultBodyEnd($test);
    }

    private function printTestResultBodyStart(TestDoxTestResult $test): void
    {
        $this->printer->print(
            $this->prefixLines(
                $this->prefixFor('start', $test->status()),
                '',
            ),
        );

        $this->printer->print(PHP_EOL);
    }

    private function printTestResultBodyEnd(TestDoxTestResult $test): void
    {
        $this->printer->print(PHP_EOL);

        $this->printer->print(
            $this->prefixLines(
                $this->prefixFor('last', $test->status()),
                '',
            ),
        );

        $this->printer->print(PHP_EOL);
    }

    private function printThrowable(TestDoxTestResult $test): void
    {
        $throwable = $test->throwable();

        assert($throwable instanceof Throwable);

        $message    = trim($throwable->description());
        $stackTrace = $this->formatStackTrace($throwable->stackTrace());
        $diff       = '';

        if (!empty($message) && $this->colors) {
            ['message' => $message, 'diff' => $diff] = $this->colorizeMessageAndDiff(
                $message,
                $this->messageColorFor($test->status()),
            );
        }

        if (!empty($message)) {
            $this->printer->print(
                $this->prefixLines(
                    $this->prefixFor('message', $test->status()),
                    $message,
                ),
            );

            $this->printer->print(PHP_EOL);
        }

        if (!empty($diff)) {
            $this->printer->print(
                $this->prefixLines(
                    $this->prefixFor('diff', $test->status()),
                    $diff,
                ),
            );

            $this->printer->print(PHP_EOL);
        }

        if (!empty($stackTrace)) {
            if (!empty($message) || !empty($diff)) {
                $prefix = $this->prefixFor('default', $test->status());
            } else {
                $prefix = $this->prefixFor('trace', $test->status());
            }

            $this->printer->print(
                $this->prefixLines($prefix, PHP_EOL . $stackTrace),
            );
        }
    }

    /**
     * @return array{message: string, diff: string}
     */
    private function colorizeMessageAndDiff(string $buffer, string $style): array
    {
        $lines      = $buffer ? array_map('\rtrim', explode(PHP_EOL, $buffer)) : [];
        $message    = [];
        $diff       = [];
        $insideDiff = false;

        foreach ($lines as $line) {
            if ($line === '--- Expected') {
                $insideDiff = true;
            }

            if (!$insideDiff) {
                $message[] = $line;
            } else {
                if (str_starts_with($line, '-')) {
                    $line = Color::colorize('fg-red', Color::visualizeWhitespace($line, true));
                } elseif (str_starts_with($line, '+')) {
                    $line = Color::colorize('fg-green', Color::visualizeWhitespace($line, true));
                } elseif ($line === '@@ @@') {
                    $line = Color::colorize('fg-cyan', $line);
                }

                $diff[] = $line;
            }
        }

        $message = implode(PHP_EOL, $message);
        $diff    = implode(PHP_EOL, $diff);

        if (!empty($message)) {
            // Testdox output has a left-margin of 5; keep right-margin to prevent terminal scrolling
            $message = Color::colorizeTextBox($style, $message, $this->columns - 7);
        }

        return [
            'message' => $message,
            'diff'    => $diff,
        ];
    }

    private function formatStackTrace(string $stackTrace): string
    {
        if (!$this->colors) {
            return rtrim($stackTrace);
        }

        $lines        = [];
        $previousPath = '';

        foreach (explode(PHP_EOL, $stackTrace) as $line) {
            if (preg_match('/^(.*):(\d+)$/', $line, $matches)) {
                $lines[]      = Color::colorizePath($matches[1], $previousPath) . Color::dim(':') . Color::colorize('fg-blue', $matches[2]) . "\n";
                $previousPath = $matches[1];

                continue;
            }

            $lines[]      = $line;
            $previousPath = '';
        }

        return rtrim(implode('', $lines));
    }

    private function prefixLines(string $prefix, string $message): string
    {
        return implode(
            PHP_EOL,
            array_map(
                static fn (string $line) => '   ' . $prefix . ($line ? ' ' . $line : ''),
                preg_split('/\r\n|\r|\n/', $message),
            ),
        );
    }

    /**
     * @param 'default'|'diff'|'last'|'message'|'start'|'trace' $type
     */
    private function prefixFor(string $type, TestStatus $status): string
    {
        if (!$this->colors) {
            return '│';
        }

        return Color::colorize(
            $this->colorFor($status),
            match ($type) {
                'default' => '│',
                'start'   => '┐',
                'message' => '├',
                'diff'    => '┊',
                'trace'   => '╵',
                'last'    => '┴',
            },
        );
    }

    private function colorFor(TestStatus $status): string
    {
        if ($status->isSuccess()) {
            return 'fg-green';
        }

        if ($status->isError()) {
            return 'fg-yellow';
        }

        if ($status->isFailure()) {
            return 'fg-red';
        }

        if ($status->isSkipped()) {
            return 'fg-cyan';
        }

        if ($status->isIncomplete() || $status->isDeprecation() || $status->isNotice() || $status->isRisky() || $status->isWarning()) {
            return 'fg-yellow';
        }

        return 'fg-blue';
    }

    private function messageColorFor(TestStatus $status): string
    {
        if ($status->isSuccess()) {
            return '';
        }

        if ($status->isError()) {
            return 'bg-yellow,fg-black';
        }

        if ($status->isFailure()) {
            return 'bg-red,fg-white';
        }

        if ($status->isSkipped()) {
            return 'fg-cyan';
        }

        if ($status->isIncomplete() || $status->isDeprecation() || $status->isNotice() || $status->isRisky() || $status->isWarning()) {
            return 'fg-yellow';
        }

        return 'fg-white,bg-blue';
    }

    private function symbolFor(TestStatus $status): string
    {
        if ($status->isSuccess()) {
            return '✔';
        }

        if ($status->isError() || $status->isFailure()) {
            return '✘';
        }

        if ($status->isSkipped()) {
            return '↩';
        }

        if ($status->isDeprecation() || $status->isNotice() || $status->isRisky() || $status->isWarning()) {
            return '⚠';
        }

        if ($status->isIncomplete()) {
            return '∅';
        }

        return '?';
    }
}

.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