<?php

declare(strict_types=1);

namespace PhpQml\Bridge\Tests\Command;

use PhpQml\Bridge\Command\BridgeDoctorCommand;
use PhpQml\Bridge\Publisher;
use PHPUnit\Framework\Attributes\CoversClass;
use PHPUnit\Framework\TestCase;
use Symfony\Component\Console\Tester\CommandTester;
use Symfony\Component\Mercure\HubInterface;
use Symfony\Component\Mercure\Update;

#[CoversClass(BridgeDoctorCommand::class)]
final class BridgeDoctorCommandTest extends TestCase
{
    public function testAllPassesWhenEnvIsFullyConfigured(): void
    {
        $command = new BridgeDoctorCommand(
            publisher:             $this->makePublisher(),
            bridgeToken:           'devtoken',
            mercureUrl:            'http://127.0.0.1:8765/.well-known/mercure',
            mercurePublisherKey:   'devkey',
            mercureSubscriberKey:  'devkey',
        );
        $tester = new CommandTester($command);

        $exit = $tester->execute([]);

        self::assertSame(0, $exit);
        $display = $tester->getDisplay();
        self::assertStringContainsString('All checks passed', $display);
        self::assertStringNotContainsString('FAIL', $display);
    }

    public function testFailsAndShowsHintsWhenEnvIsMissing(): void
    {
        $command = new BridgeDoctorCommand(
            publisher:             $this->makePublisher(),
            bridgeToken:           '',
            mercureUrl:            '',
            mercurePublisherKey:   '',
            mercureSubscriberKey:  '',
        );
        $tester = new CommandTester($command);

        $exit = $tester->execute([]);

        self::assertSame(1, $exit);
        $display = $tester->getDisplay();
        self::assertStringContainsString('BRIDGE_TOKEN env set', $display);
        self::assertStringContainsString('MERCURE_URL env set', $display);
        self::assertStringContainsString('Set BRIDGE_TOKEN in .env.local', $display);
        self::assertStringContainsString('Some checks failed', $display);
    }

    public function testConnectOptionFailsClosedAgainstAnUnreachableUrl(): void
    {
        $command = new BridgeDoctorCommand(
            publisher:             $this->makePublisher(),
            bridgeToken:           'devtoken',
            mercureUrl:            'http://127.0.0.1:8765/.well-known/mercure',
            mercurePublisherKey:   'devkey',
            mercureSubscriberKey:  'devkey',
        );
        $tester = new CommandTester($command);

        // Port 1 is reserved and refuses connections — the probe must fail.
        $exit = $tester->execute(['--connect' => true, '--url' => 'http://127.0.0.1:1/healthz']);

        self::assertSame(1, $exit);
        self::assertStringContainsString('Backend probe failed', $tester->getDisplay());
    }

    private function makePublisher(): Publisher
    {
        return new Publisher(new class implements HubInterface {
            public function getUrl(): string { return ''; }
            public function getPublicUrl(): string { return ''; }
            public function getProvider(): \Symfony\Component\Mercure\Jwt\TokenProviderInterface
            { throw new \LogicException(); }
            public function getFactory(): ?\Symfony\Component\Mercure\Jwt\TokenFactoryInterface
            { return null; }
            public function publish(Update $update): string { return ''; }
        });
    }
}