<?php

use App\Services\Monitoring\HealthProbe;
use Illuminate\Foundation\Testing\RefreshDatabase;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\Redis;
use Laravel\Horizon\Contracts\MasterSupervisorRepository;
use Tests\TestCase;

uses(TestCase::class, RefreshDatabase::class);

/**
 * Tiefer Health-Check und Scheduler-Herzschlag. Der Herzschlag liegt in
 * einer Datei unter storage/ — vor und nach jedem Test entfernen.
 */
beforeEach(function () {
    @unlink(HealthProbe::heartbeatPath());
    config()->set('cache.default', 'array');
    config()->set('monitoring.health.token', 'geheimes-monitor-token');
    config()->set('monitoring.health.disk_min_free_percent', 0);
    config()->set('queue.default', 'sync');
});

afterEach(function () {
    @unlink(HealthProbe::heartbeatPath());
});

function healthHeaders(): array
{
    return ['Authorization' => 'Bearer geheimes-monitor-token'];
}

test('the endpoint does not exist without a configured token or with a wrong one', function () {
    app(HealthProbe::class)->recordHeartbeat();

    $this->get('/health', healthHeaders())->assertOk();

    $this->get('/health', ['Authorization' => 'Bearer falsch'])->assertNotFound();
    $this->get('/health')->assertNotFound();

    config()->set('monitoring.health.token', null);
    $this->get('/health', healthHeaders())->assertNotFound();
});

test('a healthy system answers 200 with every check', function () {
    config()->set('app.version', 'v1.1.0');
    $this->artisan('monitoring:heartbeat')->assertSuccessful();

    $this->get('/health?token=geheimes-monitor-token')
        ->assertOk()
        ->assertHeader('Cache-Control', 'no-store, private')
        ->assertJsonPath('status', 'ok')
        ->assertJsonPath('version', 'v1.1.0')
        ->assertJsonPath('checks.database.status', 'ok')
        ->assertJsonPath('checks.cache.status', 'ok')
        ->assertJsonPath('checks.queue.status', 'ok')
        ->assertJsonPath('checks.failed_jobs.status', 'ok')
        ->assertJsonPath('checks.scheduler.status', 'ok')
        ->assertJsonStructure(['checks' => ['disk' => ['status', 'detail']]]);
});

test('a missing or stale heartbeat makes the endpoint fail', function () {
    $this->get('/health', healthHeaders())
        ->assertStatus(503)
        ->assertJsonPath('checks.scheduler.status', 'critical');

    app(HealthProbe::class)->recordHeartbeat();

    $this->travel(4)->minutes();
    $this->get('/health', healthHeaders())->assertOk()->assertJsonPath('checks.scheduler.status', 'warn');

    $this->travel(7)->minutes();
    $this->get('/health', healthHeaders())->assertStatus(503)->assertJsonPath('checks.scheduler.status', 'critical');
});

test('a database queue backlog older than five minutes makes the endpoint fail', function () {
    config()->set('queue.default', 'database');
    app(HealthProbe::class)->recordHeartbeat();

    DB::table('jobs')->insert([
        'queue' => 'default',
        'payload' => '{}',
        'attempts' => 0,
        'reserved_at' => null,
        'available_at' => now()->subMinutes(6)->getTimestamp(),
        'created_at' => now()->subMinutes(6)->getTimestamp(),
    ]);

    $this->get('/health', healthHeaders())
        ->assertStatus(503)
        ->assertJsonPath('checks.queue.status', 'critical');
});

test('with the redis driver a stopped horizon makes the endpoint fail', function () {
    config()->set('queue.default', 'redis');
    app(HealthProbe::class)->recordHeartbeat();

    Redis::shouldReceive('connection->ping')->andReturn(true);
    $this->mock(MasterSupervisorRepository::class)->shouldReceive('all')->andReturn([]);

    $this->get('/health', healthHeaders())
        ->assertStatus(503)
        ->assertJsonPath('checks.queue.status', 'critical')
        ->assertJsonPath('checks.queue.detail', 'Treiber redis — Horizon läuft nicht. Daemon in Ploi prüfen.');
});

test('recently failed jobs are a warning, not an outage', function () {
    app(HealthProbe::class)->recordHeartbeat();

    DB::table('failed_jobs')->insert([
        'uuid' => 'a1b2c3',
        'connection' => 'redis',
        'queue' => 'default',
        'payload' => json_encode(['displayName' => 'App\\Jobs\\SyncStripeInvoiceReference']),
        'exception' => "RuntimeException: Stripe nicht erreichbar\n#0 ...",
        'failed_at' => now()->subHour(),
    ]);

    $this->get('/health', healthHeaders())
        ->assertOk()
        ->assertJsonPath('status', 'warn')
        ->assertJsonPath('checks.failed_jobs.status', 'warn');
});

test('the endpoint skips the session and the web middleware group', function () {
    app(HealthProbe::class)->recordHeartbeat();

    $this->get('/health', healthHeaders())
        ->assertOk()
        ->assertCookieMissing(config('session.cookie'));
});