<?php

namespace App\Tests;

use App\Command\SiteOriginCommand;
use PHPUnit\Framework\Attributes\DataProvider;
use PHPUnit\Framework\TestCase;
use Symfony\Component\Console\Tester\CommandTester;
use Symfony\Component\Dotenv\Dotenv;

final class SiteOriginCommandTest extends TestCase
{
    private string $root;

    protected function setUp(): void
    {
        $this->root = sys_get_temp_dir().'/kant-origin-'.bin2hex(random_bytes(6));
        mkdir($this->root);
        file_put_contents($this->root.'/.env', "APP_ENV=\"prod\"\nSITE_ORIGIN=\"https://alt.example\"\nAPP_SECRET=\"bleibt\"\n");
    }

    protected function tearDown(): void
    {
        foreach (glob($this->root.'/.env*') ?: [] as $file) {
            unlink($file);
        }
        rmdir($this->root);
    }

    /** @return iterable<string, array{string, ?string}> */
    public static function addresses(): iterable
    {
        yield 'mit www' => ['https://www.meine-firma.de', 'https://www.meine-firma.de'];
        yield 'ohne www' => ['https://meine-firma.de', 'https://meine-firma.de'];
        yield 'Schraegstrich und Grossschreibung werden bereinigt' => [' HTTPS://WWW.Meine-Firma.DE/ ', 'https://www.meine-firma.de'];
        yield 'ein Port bleibt' => ['http://127.0.0.1:8080', 'http://127.0.0.1:8080'];
        yield 'ohne Schema' => ['meine-firma.de', null];
        yield 'mit Pfad' => ['https://meine-firma.de/start', null];
        yield 'mit Abfrage' => ['https://meine-firma.de/?x=1', null];
        yield 'mit Zugangsdaten' => ['https://user:pass@meine-firma.de', null];
        yield 'falsches Schema' => ['ftp://meine-firma.de', null];
    }

    #[DataProvider('addresses')]
    public function testOnlySchemeAndHostAreAccepted(string $input, ?string $expected): void
    {
        if (null === $expected) {
            $this->expectException(\InvalidArgumentException::class);
        }
        self::assertSame($expected, SiteOriginCommand::normalize($input));
    }

    public function testTheCommandShowsAndWritesTheAddress(): void
    {
        $tester = new CommandTester(new SiteOriginCommand($this->root, 'https://alt.example'));
        self::assertSame(0, $tester->execute([]));
        self::assertStringContainsString('https://alt.example', $tester->getDisplay());
        self::assertSame('https://alt.example', $this->values()['SITE_ORIGIN'], 'Anzeigen schreibt nichts.');

        self::assertSame(0, $tester->execute(['adresse' => 'https://www.neu.example/']));
        self::assertStringContainsString('ohne www leitet dorthin um', $tester->getDisplay());
        self::assertSame('https://www.neu.example', $this->values()['SITE_ORIGIN']);
        self::assertSame('bleibt', $this->values()['APP_SECRET'], 'Die uebrigen Einstellungen bleiben erhalten.');

        self::assertSame(1, $tester->execute(['adresse' => 'neu.example']));
        self::assertStringContainsString('beginnt mit https://', $tester->getDisplay());
        self::assertSame('https://www.neu.example', $this->values()['SITE_ORIGIN'], 'Eine abgelehnte Adresse aendert nichts.');
    }

    private function values(): array
    {
        return (new Dotenv())->parse((string) file_get_contents($this->root.'/.env'));
    }
}