<?php

use App\Mail\OperationalAlertMail;
use App\Support\OperationalAlert;
use Illuminate\Contracts\Queue\Job;
use Illuminate\Queue\Events\JobFailed;
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');
    });
});