<?php

declare(strict_types=1);

namespace PhpMyAdmin\Tests\Http\Factory;

use GuzzleHttp\Psr7\HttpFactory as GuzzleHttpFactory;
use Laminas\Diactoros\ServerRequestFactory as LaminasServerRequestFactory;
use Nyholm\Psr7\Factory\Psr17Factory as NyholmPsr17Factory;
use PhpMyAdmin\Http\Factory\ServerRequestFactory;
use PhpMyAdmin\Http\ServerRequest;
use PhpMyAdmin\Tests\AbstractTestCase;
use Psr\Http\Message\ServerRequestFactoryInterface;
use Slim\Psr7\Factory\ServerRequestFactory as SlimServerRequestFactory;

use function class_exists;

/**
 * @covers \PhpMyAdmin\Http\Factory\ServerRequestFactory
 */
class ServerRequestFactoryTest extends AbstractTestCase
{
    private const IMPLEMENTATION_CLASSES = [
        'slim/psr7' => [
            SlimServerRequestFactory::class,
            'Slim PSR-7',
        ],
        'guzzlehttp/psr7' => [
            GuzzleHttpFactory::class,
            'Guzzle PSR-7',
        ],
        'nyholm/psr7' => [
            NyholmPsr17Factory::class,
            'Nyholm PSR-7',
        ],
        'laminas/laminas-diactoros' => [
            LaminasServerRequestFactory::class,
            'Laminas diactoros PSR-7',
        ],
    ];

    public static function dataProviderPsr7Implementations(): array
    {
        return self::IMPLEMENTATION_CLASSES;
    }

    /**
     * @phpstan-param class-string $className
     */
    private function runOrSkip(string $className, string $humanName): void
    {
        if (! class_exists($className)) {
            $this->markTestSkipped($humanName . ' is missing');
        }

        foreach (self::IMPLEMENTATION_CLASSES as $libName => $details) {
            /** @phpstan-var class-string */
            $classImpl = $details[0];
            if ($classImpl === $className) {
                continue;
            }

            if (! class_exists($classImpl)) {
                continue;
            }

            $this->markTestSkipped($libName . ' exists and will conflict with the test results');
        }
    }

    /**
     * @phpstan-param class-string $className
     *
     * @dataProvider dataProviderPsr7Implementations
     */
    public function testPsr7ImplementationGet(string $className, string $humanName): void
    {
        $this->runOrSkip($className, $humanName);

        $_GET['foo'] = 'bar';
        $_GET['blob'] = 'baz';
        $_SERVER['QUERY_STRING'] = 'foo=bar&blob=baz';
        $_SERVER['REQUEST_URI'] = '/test-page.php';
        $_SERVER['REQUEST_METHOD'] = 'GET';
        $_SERVER['HTTP_HOST'] = 'phpmyadmin.local';

        $request = ServerRequestFactory::createFromGlobals();
        self::assertSame('GET', $request->getMethod());
        self::assertSame('http://phpmyadmin.local/test-page.php?foo=bar&blob=baz', $request->getUri()->__toString());
        self::assertFalse($request->isPost());
        self::assertSame('default', $request->getParam('not-exists', 'default'));
        self::assertSame('bar', $request->getParam('foo'));
        self::assertSame('baz', $request->getParam('blob'));
        self::assertSame([
            'foo' => 'bar',
            'blob' => 'baz',
        ], $request->getQueryParams());
    }

    /**
     * @requires PHPUnit < 10
     */
    public function testCreateServerRequestFromGlobals(): void
    {
        $_GET['foo'] = 'bar';
        $_GET['blob'] = 'baz';
        $_POST['input1'] = 'value1';
        $_POST['input2'] = 'value2';
        $_POST['input3'] = '';
        $_SERVER['QUERY_STRING'] = 'foo=bar&blob=baz';
        $_SERVER['REQUEST_URI'] = '/test-page.php';
        $_SERVER['REQUEST_METHOD'] = 'POST';
        $_SERVER['HTTP_HOST'] = 'phpmyadmin.local';

        $creator = $this->getMockBuilder(ServerRequestFactory::class)
            ->onlyMethods(['getallheaders'])
            ->getMock();

        $creator
            ->method('getallheaders')
            ->willReturn(['Content-Type' => 'application/x-www-form-urlencoded']);

        $serverRequest = $this->callFunction(
            $creator,
            ServerRequestFactory::class,
            'createServerRequestFromGlobals',
            [$creator]
        );

        $request = new ServerRequest($serverRequest);

        self::assertSame(['application/x-www-form-urlencoded'], $request->getHeader('Content-Type'));
        self::assertSame('POST', $request->getMethod());
        self::assertSame('http://phpmyadmin.local/test-page.php?foo=bar&blob=baz', $request->getUri()->__toString());
        self::assertTrue($request->isPost());
        self::assertSame('default', $request->getParam('not-exists', 'default'));
        self::assertSame('bar', $request->getParam('foo'));
        self::assertSame('baz', $request->getParam('blob'));
        self::assertSame([
            'foo' => 'bar',
            'blob' => 'baz',
        ], $request->getQueryParams());

        self::assertSame([
            'input1' => 'value1',
            'input2' => 'value2',
            'input3' => '',
        ], $request->getParsedBody());

        self::assertNull($request->getParsedBodyParam('foo'));
        self::assertSame('value1', $request->getParsedBodyParam('input1'));
        self::assertSame('value2', $request->getParsedBodyParam('input2'));
        self::assertSame('', $request->getParsedBodyParam('input3', 'default'));
    }

    /**
     * @phpstan-param class-string $className
     *
     * @dataProvider dataProviderPsr7Implementations
     */
    public function testPsr7ImplementationCreateServerRequestFactory(string $className, string $humanName): void
    {
        $this->runOrSkip($className, $humanName);

        $serverRequestFactory = new $className();
        self::assertInstanceOf(ServerRequestFactoryInterface::class, $serverRequestFactory);

        $factory = new ServerRequestFactory(
            $serverRequestFactory
        );
        self::assertInstanceOf(ServerRequestFactory::class, $factory);
    }
}