<?php

use App\Mail\OperationalAlertMail;
use App\Support\OperationalAlert;
use Illuminate\Contracts\Queue\Job;
use Illuminate\Http\Client\Request;
use Illuminate\Queue\Events\JobFailed;
use Illuminate\Support\Facades\Http;
use Illuminate\Support\Facades\Log;
use Illuminate\Support\Facades\Mail;
use Psr\Log\LoggerInterface;

test('an alert always logs critical and mails the configured recipient', function () {
    config()->set('monitoring.alerts.enabled', true);
    config()->set('monitoring.alerts.mail_to', 'ops@example.com');
    Mail::fake();
    $monitoringLog = Mockery::spy(LoggerInterface::class);
    Log::shouldReceive('channel')->with('monitoring')->andReturn($monitoringLog);

    OperationalAlert::send('Geplanter Task fehlgeschlagen: billing:generate-manual-invoices', ['exit_code' => 1]);

    $monitoringLog->shouldHaveReceived('critical')->once();
    Mail::assertSent(OperationalAlertMail::class, function (OperationalAlertMail $mail) {
        return $mail->hasTo('ops@example.com')
            && str_contains($mail->summary, 'billing:generate-manual-invoices')
            && $mail->context === ['exit_code' => 1];
    });
});

test('no mail is sent when alerts are disabled', function () {
    config()->set('monitoring.alerts.enabled', false);
    config()->set('monitoring.alerts.mail_to', 'ops@example.com');
    Mail::fake();

    OperationalAlert::send('Etwas ist kaputt');

    Mail::assertNothingSent();
});

test('no mail is sent when no recipient is configured', function () {
    config()->set('monitoring.alerts.enabled', true);
    config()->set('monitoring.alerts.mail_to', null);
    Mail::fake();

    OperationalAlert::send('Etwas ist kaputt');

    Mail::assertNothingSent();
});

test('a mail failure never bubbles up to the caller', function () {
    config()->set('monitoring.alerts.enabled', true);
    config()->set('monitoring.alerts.mail_to', 'ops@example.com');

    // Mailserver down: der Versand wirft — der Alert muss das schlucken,
    // damit der auslösende Scheduler-/Queue-Prozess weiterläuft.
    Mail::shouldReceive('to')->andReturnSelf();
    Mail::shouldReceive('send')->andThrow(new RuntimeException('mail down'));

    OperationalAlert::send('Etwas ist kaputt');

    expect(true)->toBeTrue();
});

test('a failing queue job triggers an operational alert via the registered listener', function () {
    config()->set('monitoring.alerts.enabled', true);
    config()->set('monitoring.alerts.mail_to', 'ops@example.com');
    Mail::fake();

    $job = Mockery::mock(Job::class);
    $job->shouldReceive('resolveName')->andReturn('App\\Jobs\\ClassifyPressRelease');
    $job->shouldReceive('getQueue')->andReturn('classification');

    event(new JobFailed('database', $job, new RuntimeException('job boom')));

    Mail::assertSent(OperationalAlertMail::class, function (OperationalAlertMail $mail) {
        return str_contains($mail->summary, 'ClassifyPressRelease');
    });
});

test('an alert is also pushed to ntfy as json with token and priority', function () {
    config()->set('monitoring.alerts.enabled', true);
    config()->set('monitoring.alerts.mail_to', null);
    config()->set('monitoring.alerts.ntfy', [
        'url' => 'https://ntfy.example.com/',
        'topic' => 'pressekonto-ops',
        'token' => 'tk_geheim',
        'priority' => 4,
    ]);
    Http::fake(['ntfy.example.com/*' => Http::response(['id' => 'abc'])]);

    OperationalAlert::send('Geplanter Task fehlgeschlagen: archive:purge', ['exit_code' => 1, 'queue' => ['a' => 'b']]);

    Http::assertSent(function (Request $request) {
        return $request->url() === 'https://ntfy.example.com'
            && $request->hasHeader('Authorization', 'Bearer tk_geheim')
            && $request['topic'] === 'pressekonto-ops'
            && $request['priority'] === 4
            && str_contains($request['message'], 'archive:purge')
            && str_contains($request['message'], 'exit_code: 1')
            && str_contains($request['message'], 'queue: {"a":"b"}');
    });
});

test('a failing ntfy push neither bubbles up nor stops the mail', function () {
    config()->set('monitoring.alerts.enabled', true);
    config()->set('monitoring.alerts.mail_to', 'ops@example.com');
    config()->set('monitoring.alerts.ntfy.url', 'https://ntfy.example.com');
    config()->set('monitoring.alerts.ntfy.topic', 'pressekonto-ops');
    Mail::fake();
    Http::fake(['ntfy.example.com/*' => Http::response('down', 502)]);

    OperationalAlert::send('Etwas ist kaputt');

    Mail::assertSent(OperationalAlertMail::class);
    Http::assertSentCount(1);
});

test('no push is sent when alerts are disabled or ntfy is not configured', function () {
    Http::fake();
    config()->set('monitoring.alerts.ntfy.url', 'https://ntfy.example.com');
    config()->set('monitoring.alerts.ntfy.topic', null);
    config()->set('monitoring.alerts.enabled', true);

    OperationalAlert::send('Etwas ist kaputt');

    config()->set('monitoring.alerts.ntfy.topic', 'pressekonto-ops');
    config()->set('monitoring.alerts.enabled', false);

    OperationalAlert::send('Etwas ist kaputt');

    Http::assertNothingSent();
});